Home » Archimedes archive » Archimedes World » AW Readers Services Special FebMar 92.adf » !ArcWorld/Goodies/Graphs/!Graphs/!runimage

!ArcWorld/Goodies/Graphs/!Graphs/!runimage

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

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File contents
   10REM >:graphs.$.versions.v1
   20REM Plots mathmatical graphs
   30REM Cartesian, Polar, Parametric
   40REM Version 1 + FUNCTION EVALUATOR  A.F.Lane 1990
   50
   60ON ERROR MODE 0:REPORT:PRINTERL:END
   70PROCinitialise_variables
   80ON ERROR PROCerror
   90PROCload_sprites
  100PROCload_templates
  110PROCcreate_menu
  120PROCinitialise_functions
  130graph_icon% =FNiconbar
  140ON ERROR PROCerror
  150PROCassemble
  160PROCget_environment
  170PROCmainloop
  180END
  190
  200 
  210DEF PROCinitialise_variables
  220PROCset_vocab
  230PROCset_stacks
  240DIM caret% 24
  250DIM code% 600
  260DIM graph_box% 18
  270DIM block% &300
  280DIM sprites% 2000
  290DIM buffer% &4000
  300DIM temp% &1500
  310REM DIM quit_menu% &200
  320REM DIM main_menu% &300
  330DIM cart_plot%(6)
  340DIM cart_functions$(6)
  350DIM entered_cart_functions$(6)
  360DIM current_cart_func_text% 200
  370DIM plot_values% 40320
  380DIM polar_plot%(3)
  390DIM polar_functions$(3)
  400DIM entered_polar_functions$(3)
  410DIM current_polar_func_text% 200
  420polar_plot%() = FALSE
  430DIM parax_functions$(3)
  440DIM paray_functions$(3)
  450cart_plot%() = FALSE
  460DIM entered_parax_functions$(6)
  470DIM entered_paray_functions$(6)
  480DIM current_parax_func_text% 200
  490DIM current_paray_func_text% 200
  500DIM para_functions$(6)
  510DIM para_plot%(6)
  520DIM help_block% 100
  530DIM b% 400
  540DIM table% 5200
  550maxstack% = 50
  560DIM stack%(maxstack%)
  570DIM draw_array% 24000
  580para_plot%() = FALSE
  590$block%= "TASK"
  600SYS "Wimp_Initialise",200,!block%,"Graphs" TO version%, task%
  610cart_plot% = TRUE
  620polar_plot%= FALSE
  630para_plot% = FALSE
  640main_menu_open = FALSE
  650quit_menu_open = FALSE
  660finished% = FALSE
  670auto_y_cartaxes% = FALSE
  680show_axes%   = TRUE
  690cart_axes_yes_icon% = 9
  700cart_func_yes_icon% = 6
  710cart_func_count_icon% = 3
  720cart_func_icon%      =7
  730current_cart_func%  = 1
  740cart_min_x_icon%    = 5
  750cart_max_x_icon%    = 6
  760cart_min_y_icon%    = 7
  770cart_max_y_icon%    = 8
  780x_icon%=2
  790y_icon%=3
  800old_main_x_origin$ = ""
  810old_main_y_origin$ = ""
  820main_x_origin% = 0
  830main_y_origin% = 0
  840entered_maxx  =  5
  850entered_minx  = -5
  860entered_maxy  = 10
  870entered_miny  =-10
  880auto_y_paraaxes% = FALSE
  890PROCadjust_axes(maxx,minx,maxy,miny)
  900show_coordinates% = FALSE
  910default_format% = @%
  920increment = (maxx-minx)/1280
  930yfactor = 1024/(maxy - miny)
  940y_shift% = 512 +yfactor*(miny+maxy)/2
  950degrees% = FALSE
  960PROCcalc_cart_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
  970zooming% = FALSE
  980para_axes_yes_icon% = 9
  990para_min_x_icon% = 5
 1000para_max_x_icon% = 6
 1010para_min_y_icon% = 7
 1020para_max_y_icon% = 8
 1030para_min_t_icon% = 11
 1040para_max_t_icon% = 13
 1050current_para_func% =1
 1060para_func_yes_icon% = 6
 1070para_funcx_icon%   =7
 1080para_funcy_icon%   =11
 1090para_func_count_icon%=3
 1100polar_radius_icon%    = 2
 1110polar_min_icon%       = 4
 1120polar_max_icon%       = 5
 1130polar_axes_yes_icon%  = 7
 1140polar_left_icon%      = 4
 1150polar_func_count_icon%= 3
 1160polar_right_icon%     = 5
 1170polar_func_icon%      = 7
 1180polar_func_yes_icon%  = 6
 1190polar_colour_icon%    = 9
 1200auto_polar_axes%      = FALSE
 1210current_polar_func%   = 1
 1220big%                  = 1000000
 1230max_radius            = 1
 1240ok_icon%              = 0
 1250picture%              = 3
 1260entered_rad           = 1
 1270format$               = "data"
 1280sf                    =1
 1290old_sf                =1
 1300save_open%            =FALSE
 1310save1_open%           =FALSE
 1320ENDPROC
 1330 
 1340
 1350DEF PROCinitialise_functions
 1360cart_functions$(1) ="X^2"
 1370cart_functions$(2) ="X^3"
 1380cart_functions$(3) ="1/X"
 1390cart_functions$(4) ="1/X^2"
 1400cart_functions$(5) ="SINX"
 1410cart_functions$(6) ="LOGX"
 1420para_functions$(1) ="2t^2"
 1430para_functions$(2) ="4t"
 1440para_functions$(3) ="SINt"
 1450para_functions$(4) ="COS3t"
 1460para_functions$(5) ="2t"
 1470para_functions$(6) ="1/t"
 1480FOR graph% = 1 TO 6
 1490  entered_cart_functions$(graph%) = cart_functions$(graph%)
 1500NEXT
 1510PROCinitialise_para
 1520window%= cartesian%
 1530cart_func_icon%= FNupdate_cart_function( 1)
 1540cart_axes_yes_icon%=FNchange_text(cartaxes%,cart_axes_yes_icon%,"NO")
 1550PROCtick(main_menu%,5)
 1560PROCno_tick(main_menu%,6)
 1570PROCno_tick(main_menu%,7)
 1580PROCno_tick(main_menu%,8)
 1590PROCtick(main_menu%,9)
 1600window% = parametric%
 1610para_funcx_icon%= FNupdate_parax_function( 1)
 1620para_funcy_icon%= FNupdate_paray_function( 1)
 1630para_axes_yes_icon%=FNchange_text(paraaxes%,cart_axes_yes_icon%,"NO")
 1640window% = polar%
 1650polar_functions$(1) ="SINtCOSt"
 1660polar_functions$(2) ="SIN3tCOS4"
 1670polar_functions$(3) ="TANt"
 1680para_functions$(6) ="1/t"
 1690FOR graph% = 1 TO 3
 1700  entered_polar_functions$(graph%) = polar_functions$(graph%)
 1710NEXT
 1720polar_func_icon%= FNupdate_polar_function( 1)
 1730window%= cartesian%
 1740ENDPROC
 1750
 1760
 1770DEF PROCload_sprites
 1780S%=OPENIN"<Graph$Dir>.Sprites":T%=EXT#S%+16:CLOSE#S%
 1790DIM sprites% T%
 1800!sprites%=T%:sprites%!8=1
 1810SYS "OS_SpriteOp",&109,sprites%
 1820SYS "OS_SpriteOp",&10A,sprites%,"<Graph$Dir>.sprites"
 1830ENDPROC
 1840
 1850
 1860DEF PROCload_templates
 1870SYS "Wimp_OpenTemplate",,"<Graph$Dir>.templates"
 1880SYS "Wimp_LoadTemplate",,buffer%,temp%+&200,temp%+&2FF,-1,"proginfo",0
 1890SYS "Wimp_CreateWindow",,buffer% TO info%
 1900SYS "Wimp_LoadTemplate",,buffer%,temp%+&300,temp%+&5FF,-1,"save",0
 1910buffer%!64 = sprites%
 1920SYS "Wimp_CreateWindow",,buffer% TO save%
 1930SYS "Wimp_LoadTemplate",,buffer%,temp%+&600,temp%+&8FF,-1,"save1",0
 1940buffer%!64 = sprites%
 1950SYS "Wimp_CreateWindow",,buffer% TO save1%
 1960SYS "Wimp_LoadTemplate",,buffer%,temp%+&900,temp%+&9FF,-1,"main",0
 1970buffer%!64 = sprites%
 1980SYS "Wimp_CreateWindow",,buffer% TO main%
 1990SYS "Wimp_LoadTemplate",,buffer%,temp%+&A00,temp%+&AFF,-1,"cartaxes",0
 2000SYS "Wimp_CreateWindow",,buffer% TO cartaxes%
 2010SYS "Wimp_LoadTemplate",,buffer%,temp%+&B00,temp%+&DFF,-1,"cartesian",0
 2020buffer%!64 = sprites%
 2030SYS "Wimp_CreateWindow",,buffer% TO cartesian%
 2040SYS "Wimp_LoadTemplate",,buffer%,temp%+&E00,temp%+&EFF,-1,"coord",0
 2050SYS "Wimp_CreateWindow",,buffer% TO coord%
 2060SYS "Wimp_LoadTemplate",,buffer%,temp%+&F00,temp%+&10FF,-1,"parametric",0
 2070buffer%!64 = sprites%
 2080SYS "Wimp_CreateWindow",,buffer% TO parametric%
 2090SYS "Wimp_LoadTemplate",,buffer%,temp%+&1100,temp%+&11FF,-1,"paraaxes",0
 2100SYS "Wimp_CreateWindow",,buffer% TO paraaxes%
 2110SYS "Wimp_LoadTemplate",,buffer%,temp%+&1200,temp%+&12FF,-1,"polaraxes",0
 2120SYS "Wimp_CreateWindow",,buffer% TO polaraxes%
 2130SYS "Wimp_LoadTemplate",,buffer%,temp%+&1300,temp%+&14FF,-1,"polar",0
 2140buffer%!64 = sprites%
 2150SYS "Wimp_CreateWindow",,buffer% TO polar%
 2160SYS "Wimp_CloseTemplate"
 2170format$="data"
 2180dummy$=FNread_filename_text(save1%)
 2190format$="draw"
 2200dummy$=FNread_filename_text(save%)
 2210$fi%="GraphData"
 2220$gi%="GraphDraw"
 2230ENDPROC
 2240
 2250
 2260
 2270
 2280
 2290
 2300DEF PROCerror
 2310LOCAL temp%
 2320temp% = @%
 2330@% = default_format%
 2340IF ERR = 17 THEN
 2350  PROCerror_message("Escape pressed")
 2360  VDU 3
 2370  END
 2380ELSE
 2390  PROCerror_message(REPORT$+" (internal error) "+STR$(ERL))
 2400ENDIF
 2410@%=temp%
 2420ENDPROC
 2430
 2440
 2450
 2460
 2470
 2480
 2490DEF PROCerror_message(text$)
 2500SYS"Hourglass_Smash"
 2510SYS"Wimp_DragBox",,-1
 2520!block%=ERR
 2530$(block%+4)=text$
 2540SYS "Wimp_ReportError",block%,1,"Graphs"
 2550ENDPROC
 2560
 2570
 2580
 2590
 2600
 2610
 2620DEF PROCglass(o%)
 2630IF o% THEN
 2640  SYS"Hourglass_On"
 2650ELSE
 2660  SYS"Hourglass_Off"
 2670ENDIF
 2680ENDPROC
 2690
 2700
 2710
 2720
 2730
 2740
 2750DEF PROCno_tick(menu%,item%)
 2760byte%=menu%+28+item%*24
 2770!byte% = !byte% AND &FFFFFFFE
 2780ENDPROC
 2790
 2800
 2810DEF PROCtick(menu%,item%)
 2820byte%=menu%+28+item%*24
 2830!byte% = !byte% OR 1
 2840ENDPROC
 2850
 2860
 2870
 2880
 2890
 2900DEF PROCtick_reverse(menu%,item%)
 2910byte%=menu%+28+item%*24
 2920IF !byte% AND 1 = 1 THEN
 2930!byte% = !byte% AND &FFFFFFFE
 2940ELSE
 2950!byte% = !byte% OR 1
 2960ENDIF
 2970ENDPROC
 2980
 2990
 3000
 3010
 3020
 3030
 3040DEF PROCmainloop
 3050REPEAT
 3060PROCupdate_coordinates
 3070PROCpoll
 3080UNTIL finished%
 3090ENDPROC
 3100
 3110
 3120DEF PROCpoll
 3130SYS "Wimp_Poll",(NOT show_coordinates% AND 1),block% TO reason%,block%
 3140CASE reason% OF
 3150WHEN 1     : PROCsetsf:PROCredraw(!block%)
 3160WHEN 2     : SYS "Wimp_OpenWindow",,block%
 3170WHEN 3     : PROCclose(!block%)
 3180WHEN 4     : PROCleave_window(block%)
 3190WHEN 6     : PROCbuttons(block%)
 3200WHEN 7     : PROCsave
 3210WHEN 8     : PROCkey_press(block%)
 3220WHEN 9     : PROCmenuselect(block%)
 3230WHEN 17,18 : PROCreceive(block%)
 3240ENDCASE
 3250ENDPROC
 3260
 3270DEF PROCkey_press(block%)
 3280LOCAL window%, icon%, key% ,height%
 3290window% = !block%
 3300icon% = block%!4
 3310height% = block%!16
 3320key% = block%!24
 3330CASE key% OF
 3340  WHEN 13 : PROCreturn
 3350  WHEN &181 : PROCf1
 3360  WHEN 27   : PROCescape_pressed
 3370OTHERWISE
 3380  SYS "Wimp_ProcessKey",key%
 3390ENDCASE
 3400ENDPROC
 3410
 3420DEF PROCreturn
 3430CASE window% OF
 3440 WHEN save1%     :format$ = "data"
 3450                  PROCquicksave
 3460 WHEN save%      :format$ = "draw"
 3470                  PROCquicksave
 3480 WHEN cartaxes%  :PROCnextcart
 3490 WHEN paraaxes%  :PROCnextpara
 3500 WHEN polaraxes% :PROCnextpolar
 3510ENDCASE
 3520ENDPROC
 3530
 3540DEF PROCnextcart
 3550 PROCget_caret
 3560 caret_icon% =(caret_icon%-4)MOD4+5
 3570 PROCcaret(cartaxes%,caret_icon%)
 3580ENDPROC
 3590
 3600
 3610DEF PROCnextpara
 3620 PROCget_caret
 3630 CASE caret_icon% OF
 3640 WHEN para_min_x_icon% : icon% =para_max_x_icon%
 3650 WHEN para_max_x_icon% : icon% =para_min_y_icon%
 3660 WHEN para_min_y_icon% : icon% =para_max_y_icon%
 3670 WHEN para_max_y_icon% : icon% =para_min_t_icon%
 3680 WHEN para_min_t_icon% : icon% =para_max_t_icon%
 3690 WHEN para_max_t_icon% : icon% =para_min_x_icon%
 3700ENDCASE
 3710PROCcaret(paraaxes%,icon%)
 3720ENDPROC
 3730
 3740DEF PROCnextpolar
 3750 PROCget_caret
 3760 CASE caret_icon% OF
 3770 WHEN polar_radius_icon%  :icon%= polar_min_icon%
 3780 WHEN polar_min_icon%     :icon%= polar_max_icon%
 3790 WHEN polar_max_icon%     :icon%= polar_radius_icon%
 3800 ENDCASE
 3810PROCcaret(polaraxes%,icon%)
 3820ENDPROC
 3830
 3840
 3850
 3860
 3870DEF PROCf1
 3880A%=@%
 3890@%=&01000608
 3900cart_min_y_icon%=FNchange_text(cartaxes%,cart_min_y_icon%,STR$(-10))
 3910cart_max_y_icon%=FNchange_text(cartaxes%,cart_max_y_icon%,STR$(10))
 3920cart_min_x_icon%=FNchange_text(cartaxes%,cart_min_x_icon%,STR$(-5))
 3930cart_max_x_icon%=FNchange_text(cartaxes%,cart_max_x_icon%,STR$(5))
 3940SYS "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
 3950@%=A%
 3960ENDPROC
 3970
 3980
 3990DEF PROCcaret(window%,icon%)
 4000 SYS"Wimp_SetCaretPosition",window%,icon%,,,-1,0
 4010ENDPROC
 4020
 4030DEF PROCget_caret
 4040 SYS"Wimp_GetCaretPosition",,caret%
 4050 caret_window% = !caret%
 4060 caret_icon% = caret%!4
 4070 caret_height% = caret%!16
 4080ENDPROC
 4090
 4100
 4110DEF PROCupdate_coordinates
 4120IF show_coordinates% AND NOT polar_plot% THEN
 4130SYS "Wimp_GetPointerInfo",,block%
 4140x$=STR$(!block%)
 4150y$=STR$(block%!4)
 4160IF block%!12 = main% THEN
 4170x=(!block% -main_x_origin%) *(maxx-minx)/1280/sf+minx:REM replace by * factor
 4180y=(block%!4 - main_y_origin% )* (maxy-miny)/1024/sf+maxy
 4190IF para_plot% THEN x=x*1.25
 4200A%=@%
 4210@%= &0100070A
 4220x$=STR$(x)
 4230y$=STR$(y)
 4240@%=A%
 4250ELSE
 4260x$=""
 4270y$=""
 4280ENDIF
 4290IF x$<>old_main_x_origin$  OR y$<>old_main_y_origin$ THEN
 4300old_main_x_origin$ =x$
 4310old_main_y_origin$ =y$
 4320x_icon%=FNchange_text(coord%,x_icon%,x$)
 4330y_icon%=FNchange_text(coord%,y_icon%,y$)
 4340SYS "Wimp_ForceRedraw",coord%,-100,-300,400,100
 4350ENDIF
 4360ENDIF
 4370ENDPROC
 4380
 4390
 4400
 4410DEF PROCredraw(handle%)
 4420!block% = handle%
 4430SYS "Wimp_RedrawWindow",,block% TO more%
 4440WHILE more% <> 0
 4450PROCget_window_parameters
 4460PROCredraw_main_window
 4470SYS "Wimp_GetRectangle",,block% TO more%
 4480ENDWHILE
 4490ENDPROC
 4500
 4510
 4520
 4530
 4540
 4550
 4560DEF PROCclose(parameter%)
 4570!block% = parameter%
 4580SYS "Wimp_CloseWindow",,block%
 4590CASE parameter% OF
 4600WHEN coord% : PROCno_tick(main_menu%,8)
 4610              coordinates% = FALSE
 4620ENDCASE
 4630ENDPROC
 4640
 4650
 4660
 4670
 4680
 4690
 4700DEF PROCbuttons(parameter%)
 4710mouse_x%= !parameter%
 4720mouse_y%= parameter%!4
 4730button% = parameter%!8
 4740window% = parameter%!12
 4750icon%   = parameter%!16
 4760IF button% AND 2 THEN
 4770PROCmenu(window%,mouse_x%,mouse_y%)
 4780ELSE
 4790 IF window% = -2 THEN
 4800     PROCopen_window(main%)
 4810ENDIF
 4820ENDIF
 4830IF button% AND 4 THEN
 4840CASE window% OF
 4850  WHEN main%       : SYS "Wimp_ForceRedraw",polaraxes%,0,-500,900,0
 4860                     IF cart_plot% THEN
 4870                        PROCcalculate_cart
 4880                        SYS "Wimp_ForceRedraw",cartaxes%,0,-500,900,0
 4890                     ENDIF
 4900                     IF para_plot% THEN
 4910                        PROCcalculate_para
 4920                        SYS "Wimp_ForceRedraw",paraaxes%,0,-500,900,0
 4930                     ENDIF
 4940                     IF polar_plot% THEN
 4950                        PROCcalculate_polar
 4960                        SYS "Wimp_ForceRedraw",polaraxes%,0,-500,900,0
 4970                     ENDIF
 4980  WHEN cartaxes%   : PROCupdatecartaxes(window%,icon%)
 4990  WHEN cartesian%  : PROCupdatecartesian(window%,icon%)
 5000  WHEN paraaxes%   : PROCupdateparaaxes(window%,icon%)
 5010  WHEN parametric% : PROCupdateparametric(window%,icon%)
 5020  WHEN polaraxes%  : PROCupdatepolaraxes(window%,icon%)
 5030  WHEN polar%      : PROCupdatepolar(window%,icon%)
 5040  WHEN save1%      : format$ = "data"
 5050                     IF icon% = ok_icon% THEN PROCquicksave
 5060                     IF icon% = picture% THEN PROCdraw_click(window%)
 5070  WHEN save%       : format$ = "draw"
 5080                     IF icon% = ok_icon% THEN PROCquicksave
 5090                     IF icon% = picture% THEN PROCdraw_click(window%)
 5100
 5110ENDCASE
 5120ENDIF
 5130IF button% AND 1 THEN
 5140CASE window% OF
 5150  WHEN main% :    PROCzoom
 5160ENDCASE
 5170ENDIF
 5180ENDPROC
 5190ENDPROC
 5200
 5210
 5220
 5230
 5240
 5250DEF PROCopen_window(handle%)
 5260  !block% = handle%
 5270  SYS "Wimp_GetWindowState",,block%
 5280  block%!28 = -1 : REM Ensure window is on top
 5290  SYS "Wimp_OpenWindow",,block%
 5300ENDPROC
 5310 
 5320
 5330
 5340DEF PROCmenu(window%,x%,y%)
 5350CASE window% OF
 5360WHEN main% :  menu_block%    = main_menu%
 5370              main_menu_open = TRUE
 5380              quit_menu_open = FALSE
 5390WHEN -2    :  menu_block%    = quit_menu%
 5400              main_menu_open = FALSE
 5410              quit_menu_open = TRUE
 5420ENDCASE
 5430SYS "Wimp_CreateMenu",,menu_block%,x%,y%
 5440ENDPROC
 5450
 5460
 5470
 5480DEF FNiconbar
 5490!block%=-1:block%!4=0:block%!8=0:block%!12=63:block%!16=68:block%!20=&2102
 5500spname$="!graphs"
 5510DIM block%!24 (LENspname$+1):$(block%!24)=spname$:block%!28=sprites%
 5520block%!32=LENspname$+1
 5530SYS "Wimp_CreateIcon",,block% TO ic%
 5540=ic%
 5550 
 5560
 5570
 5580
 5590DEF PROCmenuselect(block%)
 5600selection% = !block%
 5610IF main_menu_open THEN
 5620SYS"Wimp_GetPointerInfo",,block%
 5630IF block%!8 = 1 THEN
 5640  REM reopen menu
 5650  SYS "Wimp_CreateMenu",,main_menu%
 5660ENDIF
 5670CASE selection% OF
 5680WHEN 0  :    PROCfile_data
 5690WHEN 1  :    PROCfile_graphs
 5700WHEN 2  :    IF NOT polar_plot% THEN PROCcoordinates
 5710WHEN 3  :    PROCaxes
 5720WHEN 4  :    PROCfunctions
 5730WHEN 5  :    PROCselect_cartesian
 5740WHEN 6  :    PROCselect_polar
 5750WHEN 7  :    PROCselect_parametric
 5760WHEN 8  :    PROCdegrees
 5770WHEN 9  :    PROCaxes_flag
 5780WHEN 10 :    PROCline
 5790ENDCASE
 5800ELSE
 5810CASE selection% OF
 5820WHEN 0  : PROCclose_down
 5830WHEN 1  : PROCopen_window(info%)
 5840ENDCASE
 5850ENDIF
 5860ENDPROC
 5870
 5880
 5890
 5900
 5910DEF PROCleave_window(parameter%)
 5920LOCAL window%
 5930window% = !parameter%
 5940CASE window% OF
 5950WHEN  info%      : PROCclose(info%)
 5960REM WHEN  cartesian% : PROCextract_cart_func
 5970REM                   PROCconvert_functions
 5980REMWHEN  parametric%: PROCextract_para_functions
 5990REM                   PROCreturn_paraaxes_values
 6000REM                   PROCconvert_para_functions
 6010REMWHEN  polar%     : PROCextract_polar_functions
 6020REM                   PROCconvert_polar_functions
 6030WHEN  cartaxes%  : PROCcheck_cart_axes
 6040WHEN  polaraxes% : PROCcheck_polar_axes
 6050WHEN  paraaxes%  : PROCcheck_para_axes
 6060ENDCASE
 6070ENDPROC
 6080
 6090
 6100
 6110
 6120 
 6130
 6140DEF PROCclose_down
 6150$block% = "TASK"
 6160SYS "Wimp_CloseDown",task%,!block%
 6170finished% = TRUE
 6180ENDPROC
 6190
 6200
 6210
 6220
 6230
 6240DEF PROCreceive(parameter%)
 6250LOCAL reason%
 6260new_task% = parameter%!4
 6270ref%=parameter%!8
 6280reason%=parameter%!16
 6290CASE  reason% OF
 6300WHEN 0   : PROCclose_down
 6310WHEN 2   : PROCdatasave(parameter%)
 6320WHEN 3,5 : IF parameter%!12=0 THEN PROCdataload(parameter%)
 6330WHEN 6   : PROCmemory
 6340WHEN &502: PROChelp
 6350ENDCASE
 6360ENDPROC
 6370 
 6380
 6390DEF PROCaxes
 6400IF cart_plot%  PROCopen_window(cartaxes%)
 6410IF para_plot%  PROCopen_window(paraaxes%)
 6420IF polar_plot% PROCopen_window(polaraxes%)
 6430ENDPROC
 6440
 6450
 6460
 6470
 6480
 6490DEF PROCfunctions
 6500IF cart_plot%  PROCopen_window(cartesian%)
 6510IF para_plot%  PROCopen_window(parametric%)
 6520IF polar_plot% PROCopen_window(polar%)
 6530  ENDPROC
 6540
 6550
 6560
 6570
 6580
 6590DEF PROCupdatecartaxes(window%,icon%)
 6600IF icon% = cart_axes_yes_icon% THEN
 6610  auto_y_cartaxes% = NOT auto_y_cartaxes%
 6620 IF auto_y_cartaxes% THEN
 6630 cart_axes_yes_icon%=FNchange_text(window%,icon%,"YES")
 6640 PROCdeselect(window%,cart_min_y_icon%)
 6650 PROCdeselect(window%,cart_max_y_icon%)
 6660ELSE
 6670 cart_axes_yes_icon%=FNchange_text(window%,icon%,"NO")
 6680 PROCreselect(window%,cart_min_y_icon%)
 6690 PROCreselect(window%,cart_max_y_icon%)
 6700ENDIF
 6710ENDIF
 6720SYS "Wimp_ForceRedraw",window%,0,-300,800,0
 6730ENDPROC
 6740
 6750
 6760
 6770 
 6780DEF FNread_icon_text(window%,icon%)
 6790!block% = window%
 6800block%!4 = icon%
 6810SYS "Wimp_GetIconState",,block%
 6820text% = block%+ 28
 6830=$text%
 6840
 6850
 6860
 6870
 6880DEF PROCdeselect(window%,icon%)
 6890!block% = window%
 6900block%!4= icon%
 6910block%!8= 2^22
 6920block%!12 = 2^22
 6930SYS "Wimp_SetIconState",,block%
 6940ENDPROC
 6950
 6960
 6970
 6980
 6990DEF PROCreselect(window%,icon%)
 7000!block% = window%
 7010block%!4= icon%
 7020block%!8= 0
 7030block%!12 = 2^22
 7040SYS "Wimp_SetIconState",,block%
 7050ENDPROC
 7060
 7070
 7080
 7090
 7100DEF PROCupdatecartesian(window%,icon%)
 7110PROCextract_cart_func
 7120 IF cart_plot%(current_cart_func%) THEN
 7130 cart_func_yes_icon%=FNchange_text(window%,cart_func_yes_icon%,"YES")
 7140ELSE
 7150 cart_func_yes_icon%=FNchange_text(window%,cart_func_yes_icon%,"NO")
 7160ENDIF
 7170IF icon% = cart_func_yes_icon% THEN
 7180  cart_plot%(current_cart_func%) = NOT cart_plot%(current_cart_func%)
 7190 IF cart_plot%(current_cart_func%) THEN
 7200 cart_func_yes_icon%=FNchange_text(window%,icon%,"YES")
 7210ELSE
 7220 cart_func_yes_icon%=FNchange_text(window%,icon%,"NO")
 7230ENDIF
 7240ENDIF
 7250IF icon% = 4 AND current_cart_func% > 1 THEN
 7260    current_cart_func% -=1
 7270cart_func_count_icon% = FNchange_text(window%,cart_func_count_icon%,STR$(current_cart_func%))
 7280ENDIF
 7290
 7300IF icon% = 5 AND current_cart_func% < 6 THEN
 7310    current_cart_func% +=1
 7320cart_func_count_icon% = FNchange_text(window%,cart_func_count_icon%,STR$(current_cart_func%))
 7330ENDIF
 7340cart_func_icon%=FNupdate_cart_function( current_cart_func%)
 7350IF cart_plot%(current_cart_func%) THEN
 7360 cart_func_yes_icon%=FNchange_text(window%,cart_func_yes_icon%,"YES")
 7370ELSE
 7380 cart_func_yes_icon%=FNchange_text(window%,cart_func_yes_icon%,"NO")
 7390ENDIF
 7400PROCset_graph_colour_icon(window%,current_cart_func%)
 7410!block% = window%
 7420SYS "Wimp_ForceRedraw",window%,0,-300,900,0
 7430ENDPROC
 7440
 7450 
 7460
 7470 
 7480DEFPROCset_graph_colour_icon(window%,current_cart_func%)
 7490block%!0 = window%
 7500block%!4 = 9
 7510block%!8 = (9 + current_cart_func%)<<28
 7520block%!12 = &F <<28
 7530SYS "Wimp_SetIconState",,block%
 7540ENDPROC
 7550 
 7560
 7570
 7580DEF FNchange_text(window%,icon%,text$)
 7590!block% = window%
 7600block%!4 = icon%
 7610SYS "Wimp_GetIconState",,block%
 7620text% = block%+28
 7630$text% = text$
 7640SYS "Wimp_DeleteIcon",,block%
 7650FOR below% = block% + 4 TO block% +35 STEP 4
 7660  !below% = below%!4
 7670NEXT
 7680SYS "Wimp_CreateIcon",,block% TO icon%
 7690=icon%
 7700
 7710
 7720
 7730
 7740
 7750
 7760DEF FNupdate_cart_function( item%)
 7770!block% = window%
 7780block%!4 = cart_func_icon%
 7790SYS "Wimp_GetIconState",,block%
 7800SYS "Wimp_DeleteIcon",,block%
 7810FOR below% = block% + 4 TO block% +35 STEP 4
 7820  !below% = below%!4
 7830NEXT
 7840text% = block% + 24
 7850validation% = block% + 28
 7860buffer_length% = block% + 32
 7870!text% = current_cart_func_text%
 7880!validation% = -1
 7890!buffer_length% = 100
 7900$current_cart_func_text% = entered_cart_functions$(item%)
 7910SYS "Wimp_CreateIcon",,block% TO icon%
 7920=icon%
 7930
 7940DEF PROCreturn_axes_values(RETURN minx,RETURN maxx,RETURN miny,RETURN maxy)
 7950entered_minx=VALFNread_icon_text(cartaxes%,cart_min_x_icon%)
 7960entered_maxx=VALFNread_icon_text(cartaxes%,cart_max_x_icon%)
 7970entered_miny=VALFNread_icon_text(cartaxes%,cart_min_y_icon%)
 7980entered_maxy=VALFNread_icon_text(cartaxes%,cart_max_y_icon%)
 7990PROCadjust_axes(maxx,minx,maxy,miny)
 8000ENDPROC
 8010
 8020
 8030DEF PROCextract_cart_func
 8040!block% = window%
 8050block%!4 = cart_func_icon%
 8060SYS "Wimp_GetIconState",,block%
 8070entered_cart_functions$(current_cart_func%) = $(block%!28)
 8080FOR graph% = 1 TO 6
 8090 cart_functions$(graph%) = entered_cart_functions$(graph%)
 8100NEXT
 8110ENDPROC
 8120
 8130
 8140
 8150DEF PROCredraw_main_window
 8160PROCsetsf
 8170IF cart_plot% THEN
 8180PROCdraw_cart_axes
 8190PROCx_plot2(ebx%,etx%-2,ety%,eby%,1)
 8200VDU 26
 8210main_x_origin% =wbx% - xsc%
 8220main_y_origin% =wty% - ysc%
 8230ENDIF
 8240
 8250IF para_plot%  THEN
 8260  PROCdraw_cart_axes
 8270  PROCx_plot1(ebx%,etx%-2,ety%,eby%,1)
 8280  VDU 26
 8290  main_x_origin% =wbx% - xsc%
 8300  main_y_origin% =wty% - ysc%
 8310  main_x_origin% =wbx% - xsc%
 8320  main_y_origin% =wty% - ysc%
 8330ENDIF
 8340IF polar_plot%  THEN
 8350  PROCdraw_polar_axes
 8360  PROCx_plot(ebx%,etx%-2,ety%,eby%,1)
 8370  VDU 26
 8380  main_x_origin% =wbx% - xsc%
 8390  main_y_origin% =wty% - ysc%
 8400ENDIF
 8410ENDPROC
 8420
 8430DEF PROCsetsf
 8440!b%= main%
 8450SYS "Wimp_GetWindowInfo",,b%
 8460sf=(b%!12-b%!4)/1280
 8470multiplier% = sf * 1024
 8480IF old_sf <> sf THEN
 8490 SYS"OS_ReadModeVariable",MODE,4 TO ,,pix_value%
 8500 pix_value% +=1
 8510 pix_value% = pix_value%/ sf
 8520 old_sf = sf
 8530 !b% = main%
 8540 b%!4 = 0
 8550 b%!8 = -2000
 8560 b%!12 = 2000
 8570 b%!16 = 0
 8580 SYS"Wimp_ForceRedraw",main%,0,-2000,2000,0
 8590 B%=0
 8600 C%= table%
 8610 D% = multiplier%
 8620CALL scale
 8630ENDIF
 8640ENDPROC
 8650
 8660
 8670DEF PROCget_window_parameters
 8680wbx% = block%!4
 8690wby% = block%!8
 8700wtx% = block%!12
 8710wty% = block%!16
 8720xsc% = block%!20
 8730ysc% = block%!24
 8740gbx% = block%!28
 8750gby% = block%!32
 8760gtx% = block%!36
 8770gty% = block%!40
 8780hp% = wtx% - wbx%
 8790vp% = wty% -wby%
 8800ebx% = xsc% + gbx%-wbx%
 8810etx% = xsc%+gtx%-wbx%
 8820ety%=ysc% + gty%-wty%
 8830eby% = ysc%-gby%-wty%
 8840VDU 26,5,24,gbx%;gby%;gtx%-2;gty%-4;
 8850ORIGIN wbx% - xsc%,wty%-ysc%
 8860ENDPROC
 8870
 8880
 8890
 8900
 8910
 8920
 8930
 8940
 8950DEF PROCcalculate_cart
 8960LOCAL count%, count1%
 8970PROCglass(TRUE)
 8980count% = 0
 8990FOR graph%= 1 TO 6
 9000   IF cart_plot%(graph%) THEN count% +=1
 9010NEXT
 9020count1%= count%
 9030window% = cartesian%
 9040PROCextract_cart_func
 9050PROCconvert_functions
 9060PROCreturn_axes_values(minx,maxx,miny,maxy)
 9070IF  auto_y_cartaxes% THEN
 9080  count% =count%*2
 9090  count1%=count1%*2
 9100  PROCreturn_y_range(minx,maxx,miny,maxy)
 9110ENDIF
 9120increment = (maxx-minx)/1280
 9130yfactor = 1024/(maxy - miny)
 9140y_shift% = 512 +yfactor*(miny+maxy)/2
 9150FOR graph% = 1 TO 6
 9160base% = plot_values% +(graph% -1)*1280*4
 9170IF cart_plot%(graph%) THEN
 9180SYS"Hourglass_Percentage",100-(count1%/count%)*100
 9190 count1% -=1
 9200FOR X% = 0 TO 1280
 9210  X= minx+increment*X%
 9220  x=X
 9230  ok% = TRUE
 9240  LOCAL ERROR
 9250  ON ERROR LOCAL ok% = FALSE :
 9260  IF ok% THEN
 9270    base%!(X%*4) = yfactor*EVALcart_functions$(graph%) -y_shift%
 9280  ELSE
 9290    base%!(X%*4)= -big%
 9300  ENDIF
 9310  RESTORE ERROR
 9320NEXT
 9330ENDIF
 9340NEXT
 9350PROCcalc_cart_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
 9360PROCglass(FALSE)
 9370SYS "Wimp_ForceRedraw",main%,0,-1280,1280,0
 9380ENDPROC
 9390
 9400DEF PROCreturn_y_range(minx,maxx,RETURN miny,RETURN maxy)
 9410increment = (maxx-minx)/1280
 9420entered_maxy= -10E30
 9430entered_miny=  10E30
 9440FOR graph% = 1 TO 6
 9450IF cart_plot%(graph%) THEN
 9460  SYS"Hourglass_Percentage",100-(count1%/count%)*100
 9470FOR X% = 0 TO 1280
 9480  X= minx+increment*X%
 9490  x=X
 9500  ok% = TRUE
 9510  LOCAL ERROR
 9520  ON ERROR LOCAL ok% = FALSE
 9530  IF ok% THEN
 9540    value = EVALcart_functions$(graph%)
 9550  IF value < entered_miny THEN entered_miny = value
 9560  IF value > entered_maxy THEN entered_maxy = value
 9570  ENDIF
 9580  RESTORE ERROR
 9590NEXT
 9600  count1%-=1
 9610ENDIF
 9620NEXT
 9630A%=@%
 9640@%=&01000308
 9650cart_min_y_icon%=FNchange_text(cartaxes%,cart_min_y_icon%,STR$(entered_miny))
 9660cart_max_y_icon%=FNchange_text(cartaxes%,cart_max_y_icon%,STR$(entered_maxy))
 9670SYS "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
 9680@%=A%
 9690PROCadjust_axes(maxx,minx,maxy,miny)
 9700ENDPROC
 9710
 9720
 9730
 9740DEF PROCcalc_cart_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
 9750A%=@%
 9760@%=&01000108
 9770IF 0 >= miny AND 0 <= maxy  THEN
 9780  x_axes_level= 0
 9790  x_axes_level% = 0 * yfactor-y_shift%
 9800  ELSE
 9810  x_axes_level= VAL(STR$((maxy+miny)))/2
 9820  x_axes_level% = x_axes_level  * yfactor-y_shift%
 9830ENDIF
 9840IF 0 >= minx AND 0 <= maxx  THEN
 9850  y_axes_level% = 1280/(maxx-minx)*(-minx)
 9860  y_axes_level=0
 9870  ELSE
 9880  y_axes_level= VAL(STR$((maxx+minx)))/2
 9890  y_axes_level% = 1280/(maxx-minx)*(y_axes_level-minx)
 9900ENDIF
 9910@%=A%
 9920ENDPROC
 9930
 9940
 9950DEF PROCdraw_cart_axes
 9960LOCAL y%,y1%
 9970IF show_axes%   THEN
 9980y%=y_axes_level%*sf
 9990y1%=(y_axes_level%-20)*sf
10000IF para_plot% THEN
10010  lmx%= 210*sf:lmy%=(x_axes_level%-20)*sf
10020  rmx%= 1068*sf: rmy% =(x_axes_level%-20)*sf
10030ELSE
10040  lmx%= 104*sf:lmy%=(x_axes_level%-20)*sf
10050  rmx%= 1174*sf: rmy% =(x_axes_level%-20)*sf
10060ENDIF
10070GCOL0,7
10080MOVE 0,x_axes_level%*sf
10090DRAW 1280*sf,x_axes_level%*sf
10100MOVE lmx%,lmy%
10110PLOT1,0,40*sf
10120MOVE rmx%,rmy%
10130PLOT1,0,40*sf
10140MOVE 1100*sf,x_axes_level%*sf-20
10150PRINT"y=";STR$(x_axes_level)
10160MOVE y%,0
10170DRAW y%,-1050*sf
10180MOVE y1%,-84*sf
10190PLOT 1,40*sf,0
10200MOVE y1%,-938*sf
10210PLOT 1,40*sf,0
10220MOVE y%+10,-50
10230PRINT "x=";STR$(y_axes_level)
10240ENDIF
10250ENDPROC
10260 
10270
10280
10290DEF PROCcoordinates
10300show_coordinates% = NOT show_coordinates%
10310IF show_coordinates% THEN
10320PROCopen_window(coord%)
10330PROCtick(main_menu%,2)
10340ELSE
10350PROCclose(coord%)
10360PROCno_tick(main_menu%,2)
10370ENDIF
10380ENDPROC
10390
10400
10410DEF PROCcheck_cart_axes
10420PROCreturn_axes_values(minx,maxx,miny,maxy)
10430A%=@%
10440@%=&01000308
10450IF minx >= maxx THEN
10460  SWAP minx,maxx
10470  IF minx=maxx THEN maxx=maxx+1
10480  cart_max_x_icon% =FNchange_text(cartaxes%,cart_max_x_icon%,STR$(maxx))
10490  cart_min_x_icon% =FNchange_text(cartaxes%,cart_min_x_icon%,STR$(minx))
10500  SYS "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
10510  PROCerror_message("X min must be less than X max. Values adjusted")
10520ELSE
10530IF maxx - minx < 1E-6 THEN
10540PROCerror_message("There may be errors due to the small X range")
10550ENDIF
10560ENDIF
10570IF NOT auto_y_cartaxes% AND miny >= maxy THEN
10580  SWAP miny,maxy
10590  IF miny = maxy THEN maxy = maxy+1
10600  cart_max_y_icon% =FNchange_text(cartaxes%,cart_max_y_icon%,STR$(maxy))
10610  cart_min_y_icon% =FNchange_text(cartaxes%,cart_min_y_icon%,STR$(miny))
10620  SYS "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
10630  PROCerror_message("Y min must be less than Y max. Values adjusted")
10640ENDIF
10650ENDPROC
10660
10670
10680DEF PROCaxes_flag
10690show_axes% = NOT show_axes%
10700IF show_axes% THEN
10710  PROCtick(main_menu%,9)
10720ELSE
10730  PROCno_tick(main_menu%,9)
10740ENDIF
10750SYS "Wimp_ForceRedraw",main%,0,-1280,1280,0
10760ENDPROC
10770
10780DEF PROCdegrees
10790degrees% = NOT degrees%
10800IF degrees% THEN
10810  PROCtick(main_menu%,8)
10820ELSE
10830  PROCno_tick(main_menu%,8)
10840ENDIF
10850ENDPROC
10860
10870
10880
10890
10900DEF PROCconvert_functions
10910FOR gra% = 1 TO 6
10920IF cart_plot%(gra%) THEN
10930cart_functions$(gra%)= FNupper(cart_functions$(gra%))
10940PROCconvert(cart_functions$(gra%),"X",cart_functions$(gra%),error_no%)
10950IF error_no% <> 0 THEN
10960  PROCreport_func_error(gra%,error_no%)
10970  cart_plot%(gra%)=FALSE
10980  PROCupdatecartesian(cartesian%,9)
10990ENDIF
11000PROCext_func(cart_functions$(gra%))
11010ENDIF
11020NEXT
11030ENDPROC
11040
11050
11060
11070DEF FNreplace(object$,target$,by$)
11080LOCAL start%, position%
11090start% = INSTR(object$,target$)
11100WHILE start%
11110position% = LEN(object$)-LEN(target$)-start%+1
11120object$ = LEFT$(object$,start%-1)+by$+RIGHT$(object$,position%)
11130start% = INSTR(object$,target$,start%+LEN(by$))
11140ENDWHILE
11150=object$
11160
11170
11180
11190DEF PROCadjust_axes(RETURN maxx,RETURN minx,RETURN maxy,RETURN miny)
11200LOCAL average,sf
11210sf= 1.2
11220average =  (entered_maxx +entered_minx)/2
11230maxx=(entered_maxx-average)*sf+average
11240minx=(entered_minx-average)*sf+average
11250average =  (entered_maxy +entered_miny)/2
11260maxy=(entered_maxy-average)*sf+average
11270miny=(entered_miny-average)*sf+average
11280ENDPROC
11290
11300
11310DEF PROCzoom
11320LOCAL A%
11330IF NOT zooming% AND cart_plot% THEN
11340zooming% = TRUE
11350VDU 26
11360!block% = main%
11370SYS "Wimp_GetWindowInfo",,block%
11380VDU24,block%!4;block%!8;block%!12;block%!16;
11390GCOL4,5
11400SYS "Wimp_GetPointerInfo",,block%
11410x1% =  !block%
11420y1% =  block%!4
11430REPEAT
11440 MOUSE mx,my,b
11450UNTIL b=0
11460REPEAT
11470 MOUSE mx,my,b
11480 x2% =  mx
11490 y2% =  my
11500 RECTANGLE x1%,y1%,x2%-x1%,y2%-y1%
11510 WAIT
11520 RECTANGLE x1%,y1%,x2%-x1%,y2%-y1%
11530 MOUSE mx,my,b
11540UNTIL b = 1 OR b=4
11550A%=@%
11560@%=&01000608
11570IF x1% > x2% THEN SWAP x1%,x2%
11580IF y1% > y2% THEN SWAP y1%,y2%
11590n_minx=(x1% -main_x_origin%) *(maxx-minx)/1280/sf+minx
11600n_maxx=(x2% -main_x_origin%) *(maxx-minx)/1280/sf+minx
11610n_miny=(y1% - main_y_origin% )* (maxy-miny)/1024/sf+maxy
11620n_maxy=(y2% - main_y_origin% )* (maxy-miny)/1024/sf+maxy
11630IF b=1 AND STR$(n_miny) <>STR$(n_maxy) AND STR$(n_minx) <>STR$(n_maxx) THEN
11640minx = n_minx
11650miny = n_miny
11660maxx = n_maxx
11670maxy = n_maxy
11680cart_min_y_icon%=FNchange_text(cartaxes%,cart_min_y_icon%,STR$(miny))
11690cart_max_y_icon%=FNchange_text(cartaxes%,cart_max_y_icon%,STR$(maxy))
11700cart_min_x_icon%=FNchange_text(cartaxes%,cart_min_x_icon%,STR$(minx))
11710cart_max_x_icon%=FNchange_text(cartaxes%,cart_max_x_icon%,STR$(maxx))
11720SYS "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
11730PROCcalculate_cart
11740ENDIF
11750@%=A%
11760zooming% = FALSE
11770ENDIF
11780ENDPROC
11790
11800DEF FNfact(x%)
11810LOCAL sum, count%
11820sum = 1
11830IF x% > 1 THEN
11840FOR count% = 2 TO x%
11850 sum = sum * count%
11860NEXT
11870ENDIF
11880=sum
11890 
11900DEF FNcosh(x)
11910=0.5*(EXP(x)+EXP(-x))
11920
11930DEF FNsinh(x)
11940=0.5*(EXP(x)-EXP(-x))
11950 
11960DEF FNtanh(x)
11970=FNsinh(x)/FNcosh(x)
11980
11990DEF FNarccosh(x)
12000=LN(x+(x*x-1)^0.5)
12010
12020DEF FNarcsinh(x)
12030=LN(x+(x*x+1)^0.5)
12040
12050DEF FNarctanh(x)
12060=0.5*LN((1+x)/(1-x))
12070
12080DEF FNupper(text$)
12090LOCAL result$,i%,c$
12100result$=""
12110FOR i% = 1 TO LENtext$
12120 c$=MID$(text$,i%,1)
12130 IF c$>="a" AND c$<="z" THEN c$=CHR$(ASC(c$)AND&DF)
12140 result$=result$+c$
12150NEXT
12160=result$
12170
12180DEF PROCselect_cartesian
12190cart_plot% = TRUE
12200polar_plot%= FALSE
12210para_plot% = FALSE
12220PROCno_tick(main_menu%,6)
12230PROCno_tick(main_menu%,7)
12240PROCtick(main_menu%,5)
12250PROCclose(parametric%)
12260PROCclose(paraaxes%)
12270PROCclose(polar%)
12280PROCclose(polaraxes%)
12290PROCopen_window(cartaxes%)
12300PROCopen_window(cartesian%)
12310PROCcalculate_cart
12320IF show_coordinates% THEN
12330PROCopen_window(coord%)
12340ENDIF
12350ENDPROC
12360
12370
12380DEF PROCselect_polar
12390window%= polar%
12400cart_plot% = FALSE
12410polar_plot%= TRUE
12420para_plot% = FALSE
12430PROCno_tick(main_menu%,5)
12440PROCno_tick(main_menu%,7)
12450PROCtick(main_menu%,6)
12460PROCclose(parametric%)
12470PROCclose(paraaxes%)
12480PROCclose(cartesian%)
12490PROCclose(cartaxes%)
12500PROCclose(coord%)
12510PROCclose(polaraxes%)
12520PROCopen_window(polar%)
12530PROCopen_window(polaraxes%)
12540PROCcalculate_polar
12550ENDPROC
12560
12570
12580DEF PROCselect_parametric
12590window%=parametric%
12600cart_plot% = FALSE
12610polar_plot%= FALSE
12620para_plot% = TRUE
12630PROCno_tick(main_menu%,6)
12640PROCno_tick(main_menu%,5)
12650PROCtick(main_menu%,7)
12660PROCclose(cartesian%)
12670PROCclose(cartaxes%)
12680PROCclose(polar%)
12690PROCclose(polaraxes%)
12700PROCopen_window(paraaxes%)
12710PROCopen_window(parametric%)
12720IF show_coordinates% THEN
12730PROCopen_window(coord%)
12740ENDIF
12750PROCcalculate_para
12760ENDPROC
12770
12780
12790DEF PROCupdateparaaxes(window%,icon%)
12800IF icon% = para_axes_yes_icon% THEN
12810  auto_y_paraaxes% = NOT auto_y_paraaxes%
12820 IF auto_y_paraaxes% THEN
12830 para_axes_yes_icon%=FNchange_text(window%,icon%,"YES")
12840 PROCdeselect(window%,para_min_y_icon%)
12850 PROCdeselect(window%,para_max_y_icon%)
12860 PROCdeselect(window%,para_min_x_icon%)
12870 PROCdeselect(window%,para_max_x_icon%)
12880ELSE
12890 para_axes_yes_icon%=FNchange_text(window%,icon%,"NO")
12900 PROCreselect(window%,para_min_y_icon%)
12910 PROCreselect(window%,para_max_y_icon%)
12920 PROCreselect(window%,para_min_x_icon%)
12930 PROCreselect(window%,para_max_x_icon%)
12940ENDIF
12950ENDIF
12960SYS "Wimp_ForceRedraw",window%,0,-500,800,0
12970ENDPROC
12980
12990
13000DEF PROCupdateparametric(window%,icon%)
13010PROCextract_para_func
13020 IF para_plot%(current_para_func%) THEN
13030 para_func_yes_icon%=FNchange_text(window%,para_func_yes_icon%,"YES")
13040ELSE
13050 para_func_yes_icon%=FNchange_text(window%,para_func_yes_icon%,"NO")
13060ENDIF
13070IF icon% = para_func_yes_icon% THEN
13080  para_plot%(current_para_func%) = NOT para_plot%(current_para_func%)
13090 IF para_plot%(current_para_func%) THEN
13100 para_func_yes_icon%=FNchange_text(window%,icon%,"YES")
13110ELSE
13120 para_func_yes_icon%=FNchange_text(window%,icon%,"NO")
13130ENDIF
13140ENDIF
13150IF icon% = 4 AND current_para_func% > 1 THEN
13160    current_para_func% -=1
13170para_func_count_icon% = FNchange_text(window%,para_func_count_icon%,STR$(current_para_func%))
13180ENDIF
13190IF icon% = 5 AND current_para_func% < 3 THEN
13200    current_para_func% +=1
13210para_func_count_icon% = FNchange_text(window%,para_func_count_icon%,STR$(current_para_func%))
13220ENDIF
13230 para_funcx_icon%=FNupdate_parax_function( current_para_func%)
13240 para_funcy_icon%=FNupdate_paray_function( current_para_func%)
13250IF para_plot%(current_para_func%) THEN
13260 para_func_yes_icon%=FNchange_text(window%,para_func_yes_icon%,"YES")
13270ELSE
13280 para_func_yes_icon%=FNchange_text(window%,para_func_yes_icon%,"NO")
13290ENDIF
13300PROCset_graph_colour_icon(window%,current_para_func%)
13310!block% = window%
13320SYS "Wimp_ForceRedraw",window%,0,-300,900,0
13330ENDPROC
13340
13350DEF FNupdate_parax_function( item%)
13360!block% = window%
13370block%!4 = para_funcx_icon%
13380SYS "Wimp_GetIconState",,block%
13390SYS "Wimp_DeleteIcon",,block%
13400FOR below% = block% + 4 TO block% +35 STEP 4
13410  !below% = below%!4
13420NEXT
13430text% = block% + 24
13440validation% = block% + 28
13450buffer_length% = block% + 32
13460!text% = current_parax_func_text%
13470!validation% = -1
13480!buffer_length% = 200
13490$current_parax_func_text% = entered_parax_functions$(item%)
13500SYS "Wimp_CreateIcon",,block% TO icon%
13510=icon%
13520
13530DEF FNupdate_paray_function( item%)
13540!block% = window%
13550block%!4 = para_funcy_icon%
13560SYS "Wimp_GetIconState",,block%
13570SYS "Wimp_DeleteIcon",,block%
13580FOR below% = block% + 4 TO block% +35 STEP 4
13590  !below% = below%!4
13600NEXT
13610text% = block% + 24
13620validation% = block% + 28
13630buffer_length% = block% + 32
13640!text% = current_paray_func_text%
13650!validation% = -1
13660!buffer_length% = 200
13670$current_paray_func_text% = entered_paray_functions$(item%)
13680SYS "Wimp_CreateIcon",,block% TO icon%
13690=icon%
13700
13710
13720
13730DEF PROCextract_para_func
13740!block% = window%
13750block%!4 = para_funcx_icon%
13760SYS "Wimp_GetIconState",,block%
13770entered_parax_functions$(current_para_func%) = $(block%!28)
13780!block% = window%
13790block%!4 = para_funcy_icon%
13800SYS "Wimp_GetIconState",,block%
13810entered_paray_functions$(current_para_func%) = $(block%!28)
13820FOR graph% = 1 TO 3
13830 parax_functions$(graph%) = entered_parax_functions$(graph%)
13840 paray_functions$(graph%) = entered_paray_functions$(graph%)
13850NEXT
13860ENDPROC
13870
13880
13890
13900DEF PROCinitialise_para
13910entered_parax_functions$(1) = para_functions$(1)
13920entered_paray_functions$(1) = para_functions$(2)
13930entered_parax_functions$(2) = para_functions$(3)
13940entered_paray_functions$(2) = para_functions$(4)
13950entered_parax_functions$(3) = para_functions$(5)
13960entered_paray_functions$(3) = para_functions$(6)
13970FOR graph% = 1 TO 3
13980  parax_functions$(graph%) = entered_parax_functions$(graph%)
13990  paray_functions$(graph%) = entered_paray_functions$(graph%)
14000NEXT
14010ENDPROC
14020DEF PROCcalculate_para
14030LOCAL count%, count1%
14040PROCglass(TRUE)
14050count% = 0
14060FOR graph%= 1 TO 3
14070   IF para_plot%(graph%) THEN count% +=1
14080NEXT
14090count1%= count%
14100PROCextract_para_functions
14110PROCconvert_para_functions
14120PROCreturn_paraaxes_values
14130IF  auto_y_paraaxes% THEN
14140  count% =count%*2
14150  count1%=count1%*2
14160 PROCret_para_range(minx,maxx,miny,maxy,mint,maxt)
14170ENDIF
14180increment = (maxt-mint)/1280
14190yfactor = 1024/(maxy - miny)
14200y_shift% = 512 +yfactor*(miny+maxy)/2
14210xfactor = 1024/(maxx - minx)
14220x_shift%=-640+xfactor*(minx+maxx)/2
14230FOR graph% = 1 TO 3
14240IF para_plot%(graph%) THEN
14250SYS"Hourglass_Percentage",100-(count1%/count%)*100
14260 count1% -=1
14270X% = graph%*2-2
14280Y% = graph%*2-1
14290xbase% = plot_values%+X%*1280*4
14300ybase% = plot_values%+Y%*1280*4
14310FOR T% = 0 TO 1280
14320  T= mint+increment*T%
14330  t=T
14340  ok% = TRUE
14350  LOCAL ERROR
14360  ON ERROR LOCAL ok% = FALSE
14370  IF ok% THEN
14380    ybase%!(T%*4) = yfactor*EVALpara_functions$(Y%+1)-y_shift%
14390  ELSE
14400    ybase%!(T%*4) = big%
14410  ENDIF
14420  RESTORE ERROR
14430  ok% = TRUE
14440  LOCAL ERROR
14450  ON ERROR LOCAL ok% = FALSE
14460  IF ok% THEN
14470    xbase%!(T%*4)  = xfactor*EVALpara_functions$(X%+1)-x_shift%
14480  ELSE
14490    xbase%!(T%*4) = big%
14500  ENDIF
14510  RESTORE ERROR
14520NEXT
14530ENDIF
14540NEXT
14550PROCcalc_para_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
14560PROCglass(FALSE)
14570SYS "Wimp_ForceRedraw",main%,0,-1280,1280,0
14580ENDPROC
14590DEF PROCreturn_paraaxes_values
14600entered_minx=VALFNread_icon_text(paraaxes%,para_min_x_icon%)
14610entered_maxx=VALFNread_icon_text(paraaxes%,para_max_x_icon%)
14620entered_miny=VALFNread_icon_text(paraaxes%,para_min_y_icon%)
14630entered_maxy=VALFNread_icon_text(paraaxes%,para_max_y_icon%)
14640mint=VALFNread_icon_text(paraaxes%,para_min_t_icon%)
14650maxt=VALFNread_icon_text(paraaxes%,para_max_t_icon%)
14660PROCadjust_axes(maxx,minx,maxy,miny)
14670ENDPROC
14680 
14690
14700DEF PROCextract_para_functions
14710!block% = parametric%
14720block%!4 = para_funcx_icon%
14730SYS "Wimp_GetIconState",,block%
14740entered_parax_functions$(current_para_func%) = $(block%!28)
14750block%!4 = para_funcy_icon%
14760SYS "Wimp_GetIconState",,block%
14770entered_paray_functions$(current_para_func%) = $(block%!28)
14780FOR graph% = 1 TO 3
14790 para_functions$(graph%*2) = entered_paray_functions$(graph%)
14800 para_functions$(graph%*2-1) = entered_parax_functions$(graph%)
14810NEXT
14820ENDPROC
14830 
14840
14850DEF PROCconvert_para_functions
14860FOR gra% = 1 TO 6
14870IF para_plot%((gra% + 1) DIV 2) THEN
14880  para_functions$(gra%)= FNupper(para_functions$(gra%))
14890  PROCconvert(para_functions$(gra%),"T",para_functions$(gra%),error_no%)
14900  IF error_no% <> 0 THEN
14910    PROCreport_func_error(gra%,error_no%)
14920    para_plot%((gra%+1)DIV 2)=FALSE
14930    PROCupdateparametric(parametric%,9)
14940  ENDIF
14950 PROCext_func(para_functions$(gra%))
14960ENDIF
14970NEXT
14980ENDPROC
14990
15000
15010
15020
15030DEFPROCret_para_range(RETURNminx,RETURNmaxx,RETURNminy,RETURNmaxy,mint,maxt)
15040increment = (maxt-mint)/1280
15050entered_maxy= -10E30
15060entered_miny=  10E30
15070entered_maxx= -10E30
15080entered_minx=  10E30
15090FOR graph% = 1 TO 3
15100X% = graph%*2-1
15110Y% = graph%*2
15120IF para_plot%(graph%) THEN
15130  SYS"Hourglass_Percentage",100-(count1%/count%)*100
15140FOR T% = 0 TO 1280
15150  T= mint+increment*T%
15160  t=T
15170  ok% = TRUE
15180  LOCAL ERROR
15190  ON ERROR LOCAL ok% = FALSE
15200  IF ok% THEN
15210    value = EVALpara_functions$(Y%)
15220  IF value < entered_miny THEN entered_miny = value
15230  IF value > entered_maxy THEN entered_maxy = value
15240  ENDIF
15250  RESTORE ERROR
15260  ok% = TRUE
15270  LOCAL ERROR
15280  ON ERROR LOCAL ok% = FALSE
15290  IF ok% THEN
15300    value = EVALpara_functions$(X%)
15310  IF value < entered_minx THEN entered_minx = value
15320  IF value > entered_maxx THEN entered_maxx = value
15330  ENDIF
15340  RESTORE ERROR
15350NEXT
15360  count1%-=1
15370ENDIF
15380NEXT
15390A%=@%
15400@%=&01000308
15410para_min_y_icon%=FNchange_text(paraaxes%,para_min_y_icon%,STR$(entered_miny))
15420para_max_y_icon%=FNchange_text(paraaxes%,para_max_y_icon%,STR$(entered_maxy))
15430para_min_x_icon%=FNchange_text(paraaxes%,para_min_x_icon%,STR$(entered_minx))
15440para_max_x_icon%=FNchange_text(paraaxes%,para_max_x_icon%,STR$(entered_maxx))
15450minx = entered_minx
15460maxx = entered_maxx
15470miny = entered_miny
15480maxy = entered_maxy
15490SYS "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
15500@%=A%
15510PROCadjust_axes(maxx,minx,maxy,miny)
15520ENDPROC
15530
15540
15550DEF PROCcalc_para_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
15560A%=@%
15570@%=&01000108
15580IF 0 >= miny AND 0 <= maxy  THEN
15590  x_axes_level= 0
15600  x_axes_level% = 0 * yfactor-y_shift%
15610  ELSE
15620  x_axes_level= VAL(STR$((maxy+miny)))/2
15630  x_axes_level% = x_axes_level  * yfactor-y_shift%
15640ENDIF
15650IF 0 >= minx AND 0 <= maxx  THEN
15660  y_axes_level% = 1280/(maxx-minx)*(-minx)
15670  y_axes_level=0
15680  ELSE
15690  y_axes_level= VAL(STR$((maxx+minx)))/2
15700  y_axes_level% = 1280/(maxx-minx)*(y_axes_level-minx)
15710ENDIF
15720@%=A%
15730ENDPROC
15740 
15750
15760
15770DEF PROCupdatepolaraxes(window%,icon%)
15780IF icon% = polar_axes_yes_icon% THEN
15790  auto_polar_axes%= NOT auto_polar_axes%
15800 IF auto_polar_axes% THEN
15810 polar_axes_yes_icon%=FNchange_text(window%,icon%,"YES")
15820 PROCdeselect(window%,polar_radius_icon%)
15830ELSE
15840 polar_axes_yes_icon%=FNchange_text(window%,icon%,"NO")
15850 PROCreselect(window%,polar_radius_icon%)
15860ENDIF
15870ENDIF
15880SYS "Wimp_ForceRedraw",window%,0,-300,800,0
15890ENDPROC
15900
15910
15920
15930 
15940
15950DEF PROCcalculate_polar
15960LOCAL count%, count1%
15970window% = polar%
15980PROCglass(TRUE)
15990count% = 0
16000FOR graph%= 1 TO 3
16010   IF polar_plot%(graph%) THEN count% +=1
16020NEXT
16030count1%= count%
16040PROCextract_polar_functions
16050PROCconvert_polar_functions
16060PROCreturn_polaraxes_values
16070IF  auto_polar_axes% THEN
16080  count% =count%*2
16090  count1%=count1%*2
16100 PROCreturn_radius
16110ENDIF
16120increment = (max_theta-min_theta)/1280
16130IF radius = 0 THEN radius = 1
16140yfactor = 512/radius
16150y_shift% = 512
16160x_shift% = 640
16170IF  degrees% THEN
16180FOR graph% = 1 TO 3
16190x% = graph% *2 -2
16200y% = graph% *2 -1
16210xbase% = plot_values% + x% *4 * 1280
16220ybase% = plot_values% + y% *4 * 1280
16230IF polar_plot%(graph%) THEN
16240SYS"Hourglass_Percentage",100-(count1%/count%)*100
16250 count1% -=1
16260FOR angle% = 0 TO 1280
16270  T= min_theta+increment*angle%
16280  t=T
16290  ok% = TRUE
16300  LOCAL ERROR
16310  ON ERROR LOCAL ok% = FALSE
16320  IF ok% THEN
16330    result = EVALpolar_functions$(graph%)
16340  ELSE
16350    result = big%
16360  ENDIF
16370 RESTORE ERROR
16380  xbase%!(angle%*4) = yfactor*result*COSRAD(t)+ x_shift%
16390  ybase%!(angle%*4) = yfactor*result*SINRAD(t)- y_shift%
16400NEXT
16410ENDIF
16420NEXT
16430ELSE
16440FOR graph% = 1 TO 3
16450x% = graph% *2 -2
16460y% = graph% *2 -1
16470xbase% = plot_values% + x% *4 * 1280
16480ybase% = plot_values% + y% *4 * 1280
16490IF polar_plot%(graph%) THEN
16500SYS"Hourglass_Percentage",100-(count1%/count%)*100
16510 count1% -=1
16520FOR angle% = 0 TO 1280
16530  T= min_theta+increment*angle%
16540  t=T
16550  ok% = TRUE
16560  LOCAL ERROR
16570  ON ERROR LOCAL ok% = FALSE
16580  IF ok% THEN
16590    result = EVALpolar_functions$(graph%)
16600  ELSE
16610    result = big%
16620  ENDIF
16630 RESTORE ERROR
16640  xbase%!(angle%*4)  = yfactor*result*COS(t)+ x_shift%
16650  ybase%!(angle%*4) = yfactor*result*SIN(t)- y_shift%
16660NEXT
16670ENDIF
16680NEXT
16690ENDIF
16700PROCglass(FALSE)
16710SYS "Wimp_ForceRedraw",main%,0,-1280,1280,0
16720ENDPROC
16730 
16740
16750
16760
16770DEF PROCreturn_polaraxes_values
16780entered_min=VALFNread_icon_text(polaraxes%,polar_min_icon%)
16790entered_max=VALFNread_icon_text(polaraxes%,polar_max_icon%)
16800entered_rad=VALFNread_icon_text(polaraxes%,polar_radius_icon%)
16810min_theta = entered_min
16820max_theta = entered_max
16830radius = entered_rad*1.2
16840ENDPROC
16850
16860DEF PROCupdatepolar(window%,icon%)
16870PROCextract_polar_functions
16880 IF polar_plot%(current_polar_func%) THEN
16890 polar_func_yes_icon%=FNchange_text(window%,polar_func_yes_icon%,"YES")
16900ELSE
16910 polar_func_yes_icon%=FNchange_text(window%,polar_func_yes_icon%,"NO")
16920ENDIF
16930IF icon% = polar_func_yes_icon% THEN
16940  polar_plot%(current_polar_func%) = NOT polar_plot%(current_polar_func%)
16950 IF polar_plot%(current_polar_func%) THEN
16960 polar_func_yes_icon%=FNchange_text(window%,icon%,"YES")
16970ELSE
16980 polar_func_yes_icon%=FNchange_text(window%,icon%,"NO")
16990ENDIF
17000ENDIF
17010IF icon% = 4 AND current_polar_func% > 1 THEN
17020    current_polar_func% -=1
17030polar_func_count_icon% = FNchange_text(window%,polar_func_count_icon%,STR$(current_polar_func%))
17040ENDIF
17050IF icon% = 5 AND current_polar_func% < 3 THEN
17060    current_polar_func% +=1
17070polar_func_count_icon% = FNchange_text(window%,polar_func_count_icon%,STR$(current_polar_func%))
17080ENDIF
17090polar_func_icon%=FNupdate_polar_function( current_polar_func%)
17100IF polar_plot%(current_polar_func%) THEN
17110 polar_func_yes_icon%=FNchange_text(window%,polar_func_yes_icon%,"Yes")
17120ELSE
17130 polar_func_yes_icon%=FNchange_text(window%,polar_func_yes_icon%,"No")
17140ENDIF
17150PROCset_graph_colour_icon(window%,current_polar_func%)
17160!block% = window%
17170SYS "Wimp_ForceRedraw",window%,0,-300,900,0
17180ENDPROC
17190
17200
17210DEF FNupdate_polar_function( item%)
17220!block% = window%
17230block%!4 = polar_func_icon%
17240SYS "Wimp_GetIconState",,block%
17250SYS "Wimp_DeleteIcon",,block%
17260FOR below% = block% + 4 TO block% +35 STEP 4
17270  !below% = below%!4
17280NEXT
17290text% = block% + 24
17300validation% = block% + 28
17310buffer_length% = block% + 32
17320!text% = current_polar_func_text%
17330!validation% = -1
17340!buffer_length% = 100
17350$current_polar_func_text% = entered_polar_functions$(item%)
17360SYS "Wimp_CreateIcon",,block% TO icon%
17370=icon%
17380
17390
17400DEF PROCextract_polar_functions
17410!block% = window%
17420block%!4 = polar_func_icon%
17430SYS "Wimp_GetIconState",,block%
17440entered_polar_functions$(current_polar_func%) = $(block%!28)
17450FOR graph% = 1 TO 3
17460 polar_functions$(graph%) = entered_polar_functions$(graph%)
17470NEXT
17480ENDPROC
17490
17500
17510
17520
17530DEF PROCconvert_polar_functions
17540FOR gra% = 1 TO 3
17550IF polar_plot%(gra%) THEN
17560polar_functions$(gra%)= FNupper(polar_functions$(gra%))
17570PROCconvert(polar_functions$(gra%),"T",polar_functions$(gra%),error_no%)
17580IF error_no% <> 0 THEN
17590  PROCreport_func_error(gra%,error_no%)
17600  polar_plot%(gra%)=FALSE
17610PROCupdatepolar(polar%,9)
17620ENDIF
17630PROCext_func(polar_functions$(gra%))
17640ENDIF
17650NEXT
17660ENDPROC
17670
17680
17690DEF PROCcheck_polar_axes
17700IF NOT auto_polar_axes% THEN
17710PROCreturn_polaraxes_values
17720IF min_theta >= max_theta THEN
17730 SWAP min_theta, max_theta
17740 IF min_theta = max_theta THEN max_theta=max_theta+1
17750 PROCerror_message("Min angle must be less than Max angle. Values adjusted.")
17760 polar_min_icon% =FNchange_text(polaraxes%,polar_min_icon%,STR$(min_theta))
17770 polar_max_icon% =FNchange_text(polaraxes%,polar_max_icon%,STR$(max_theta))
17780 SYS "Wimp_ForceRedraw",polaraxes%,0,-1280,1280,0
17790ENDIF
17800ENDIF
17810ENDPROC
17820
17830
17840DEF PROCcheck_para_axes
17850IF NOT auto_y_paraaxes% THEN
17860PROCreturn_paraaxes_values
17870IF entered_maxx <= entered_minx THEN
17880  SWAP entered_minx,entered_maxx
17890  IF entered_minx=entered_maxx THEN entered_maxx=entered_maxx+1
17900para_max_x_icon%=FNchange_text(paraaxes%,para_max_x_icon%,STR$(entered_maxx))
17910para_min_x_icon%=FNchange_text(paraaxes%,para_min_x_icon%,STR$(entered_minx))
17920  SYS "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
17930  PROCerror_message("X min must be less than X max. Values adjusted")
17940ENDIF
17950IF entered_maxy <= entered_miny THEN
17960  SWAP entered_miny,entered_maxy
17970  IF entered_miny=entered_maxy THEN entered_maxy=entered_maxy+1
17980para_max_y_icon%=FNchange_text(paraaxes%,para_max_y_icon%,STR$(entered_maxy))
17990para_min_y_icon%=FNchange_text(paraaxes%,para_min_y_icon%,STR$(entered_miny))
18000  SYS "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
18010  PROCerror_message("Y min must be less than Y max. Values adjusted")
18020ENDIF
18030IF maxt <= mint THEN
18040  SWAP mint,maxt
18050  IF mint=maxt THEN maxt=maxt+1
18060  para_max_t_icon% =FNchange_text(paraaxes%,para_max_t_icon%,STR$(maxt))
18070  para_min_t_icon% =FNchange_text(paraaxes%,para_min_t_icon%,STR$(mint))
18080  SYS "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
18090  PROCerror_message("t min must be less than t max. Values adjusted")
18100ENDIF
18110ENDIF
18120ENDPROC
18130
18140DEF PROCreturn_radius
18150max_radius=0
18160increment = (max_theta-min_theta)/1280
18170FOR graph% = 1 TO 3
18180IF polar_plot%(graph%) THEN
18190  SYS"Hourglass_Percentage",100-(count1%/count%)*100
18200FOR angle% = 0 TO 1280
18210  T= min_theta+increment*angle%
18220  t=T
18230  ok% = TRUE
18240  LOCAL ERROR
18250  ON ERROR LOCAL ok% = FALSE
18260  IF ok% THEN
18270    result = EVALpolar_functions$(graph%)
18280  ELSE
18290    result =0
18300  ENDIF
18310  RESTORE ERROR
18320  IF ABS(result) > max_radius THEN
18330    max_radius = ABS(result)
18340  ENDIF
18350NEXT
18360  count1%-=1
18370ENDIF
18380NEXT
18390radius=max_radius*1.2
18400A%=@%
18410@%=&01000308
18420entered_rad = max_radius
18430polar_radius_icon% =FNchange_text(polaraxes%,polar_radius_icon%,STR$(entered_rad))
18440SYS "Wimp_ForceRedraw",polaraxes%,0,-1280,1280,0
18450@%=A%
18460ENDPROC
18470
18480
18490DEF PROCdraw_polar_axes
18500IF show_axes% THEN
18510SYS"Wimp_SetColour",1
18520CIRCLE  640*sf,-512*sf,106*sf
18530CIRCLE 640*sf,-512*sf,213*sf
18540CIRCLE  640*sf,-512*sf,320*sf
18550CIRCLE  640*sf,-512*sf,427*sf
18560MOVE 1067*sf,-512*sf
18570DRAW 220*sf,-512*sf
18580MOVE 640*sf,-85*sf
18590DRAW 640*sf,-939*sf
18600MOVE 942*sf,-210*sf
18610DRAW 338*sf,-814*sf
18620MOVE 338*sf,-210*sf
18630DRAW 942*sf,-814*sf
18640MOVE 1070*sf,-512*sf
18650A%=@%
18660@%=&01000308
18670PRINT STR$(entered_rad)
18680@%=A%
18690ENDIF
18700ENDPROC
18710
18720
18730DEF PROCassemble
18740FOR pass% = 0 TO 2 STEP 2
18750P%= code%
18760[ OPT pass%
18770MOV R12, R1
18780MOV R9, #0
18790MOV R11, R0 ;            put table start into r11
18800.LOOP
18810MOV R4, #1280
18820MOV R0, #69
18830LDR R1, [R6] ;           get the x value
18840CMP R1 , #0 ;            is it out of range
18850BMI noplot
18860CMP R1, R4;              is it out of range
18870BPL noplot
18880ADD R1, R11, R1, LSL #2; add table start to x value * 4
18890LDR R1,[R1]          ;   get value from table
18900LDR R8,graph_box%
18910CMP R1, R8
18920BMI noplot
18930LDR R8,graph_box%+4
18940CMP R1,R8;               range check
18950BPL noplot
18960LDR R2, [R7]
18970RSB R2, R2, #0;          make r2 positive
18980CMP R2, #0 ;             is it out of range
18990BMI noplot
19000CMP R2, R4 ;             is it out of range
19010BPL noplot
19020ADD R2,R11,R2, LSL#2 ;   add table start to y value * 4
19030LDR R2,[R2]          ;   get value from table
19040RSB R2, R2, #0;          make r2 negative
19050LDR R8, graph_box%+8
19060CMP R2,R8
19070BPL noplot
19080LDR R8, graph_box%+12
19090CMP R2, R8
19100BMI noplot
19110CMP R1, R9;             is this point the same as the previous?
19120BNE doplot
19130CMP R2,R10
19140BEQ noplot;             yes so dont plot it again
19150.doplot
19160SWI "OS_Plot"
19170MOV R9,R1     ;          store last plotted point
19180MOV R10,R2
19190.noplot
19200ADD R6, R6, #4
19210ADD R7, R7, #4
19220SUB R5, R5, #4
19230CMP R5, #0
19240BGT LOOP
19250MOV R15,R14
19260
19270.cart_code%
19280MOV R9, #0
19290MOV R12, R1
19300MOV R11, R0 ;            put table start into r11
19310MOV R10, #0 ;            x coordinate
19320.cart_LOOP
19330MOV R4, #1280
19340MOV R0, #69
19350ADD R1,R11,R10, LSL#2 ;        add table start to x value * 4
19360LDR R1,[R1]
19370LDR R8,graph_box%
19380CMP R1, R8;           cf x with left
19390BMI cart_noplot
19400LDR R8,graph_box%+4
19410CMP R1,R8 ;           cf x with right
19420BPL cart_noplot
19430LDR R2, [R7] ;        r7 points to y value
19440RSB R2, R2, #0;       make r2 positive
19450CMP R2, #0 ;         is it out of range
19460BMI cart_noplot
19470CMP R2, R4 ;      is it out of range
19480BPL cart_noplot
19490ADD R2,R11,R2, LSL#2 ;add table start to y value * 4
19500LDR R2,[R2]          ;get value from table
19510RSB R2, R2, #0;           make r2 negative
19520LDR R8, graph_box%+8
19530CMP R2,R8
19540BPL cart_noplot
19550LDR R8, graph_box%+12
19560CMP R2, R8
19570BMI cart_noplot
19580SWI "OS_Plot"
19590.cart_noplot
19600ADD R10, R10, R12
19610ADD R7, R7, R12, ASL #2
19620SUB R5, R5, R12, ASL #2
19630CMP R5, #0
19640BGT cart_LOOP
19650MOV R15,R14
19660 
19670.scale ; R1 is B% the counter
19680       ; R2 is pointer to table
19690       ; R3 is the multiplier
19700       ; R0 is the result
19710MUL R0,R1,R3       ; multiply
19720MOV R0,R0, ASR #10 ; divide by 1024
19730STR R0,[R2]
19740ADD R1,R1,#1
19750ADD R2,R2,#4
19760CMP R1, #1280
19770BMI scale
19780MOV R15,R14
19790]
19800NEXT
19810ENDPROC
19820
19830DEF PROCx_plot(left%, right%, top%, bottom%, plot_parameter%)
19840graph_box%!0     =left%
19850graph_box%!4     =right%
19860graph_box%!8     =top%
19870graph_box%!12    =bottom%
19880FOR graph% = 1 TO 3
19890IF polar_plot%(graph%) THEN
19900    SYS"Wimp_SetColour",9+graph%
19910    y% =graph%*2-1
19920    x% =graph%*2-2
19930    F% = 5120  :REM register 5  counts down from 5120 to zero
19940    G% = plot_values% + 1280*x%*4   : REM register 6  data array for x axis
19950    H% = plot_values% + 1280*y%*4   : REM register 7  data array for y axis
19960    B% = pix_value%
19970    A% = table%  : REM R0 gets address of table
19980    CALL code%
19990ENDIF
20000NEXT
20010ENDPROC
20020
20030DEF PROCx_plot1(left%, right%, top%, bottom%, plot_parameter%)
20040graph_box%!0     =left%
20050graph_box%!4     =right%
20060graph_box%!8     =top%
20070graph_box%!12    =bottom%
20080FOR graph% = 1 TO 3
20090IF para_plot%(graph%) THEN
20100    SYS"Wimp_SetColour",9+graph%
20110    y% =graph%*2-1
20120    x% =graph%*2-2
20130    F% = 5120  :REM register 5  counts down from 5120 to zero
20140    G% = plot_values% + 1280*x%*4   : REM register 6  data array for x axis
20150    H% = plot_values% + 1280*y%*4   : REM register 7  data array for y axis
20160    A% = table%  : REM R0 gets address of table
20170    B% = pix_value%
20180    CALL code%
20190ENDIF
20200NEXT
20210ENDPROC
20220
20230
20240DEF PROCx_plot2(left%, right%, top%, bottom%, plot_parameter%)
20250graph_box%!0     =left%
20260graph_box%!4     =right%
20270graph_box%!8     =top%
20280graph_box%!12    =bottom%
20290FOR graph% = 1 TO 6
20300IF cart_plot%(graph%) THEN
20310    SYS"Wimp_SetColour",9+graph%
20320    y% =graph%-1
20330    F% = 5120  :REM register 5  counts down from right to left
20340    G% = left%   : REM register 6  data array for x axis
20350    H% = plot_values% + 1280*y%*4  : REM register 7  data array for y axis
20360    A% = table%  : REM R0 gets address of table
20370    B% = pix_value%
20380    CALL cart_code%
20390ENDIF
20400NEXT
20410ENDPROC
20420
20430DEF PROChelp
20440LOCAL t$,window%, icon%, terms$, ap$, warn$
20450SYS "Wimp_GetPointerInfo",,help_block%
20460window% = help_block%!12
20470icon%   = help_block%!16
20480warn$ = "|MIt can be entered in normal algebraic format"
20490warn$ = warn$+"|MIf you are unsure of evaluation order then "
20500warn$ = warn$+"use brackets|MUse ^ for powers"
20510CASE window% OF
20520WHEN main% : t$="This is the graph window.|MSelect to recalculate"
20530            IF cart_plot% t$=t$+"|MAdjust to select a zoom box"
20540WHEN cartesian%
20550     CASE icon% OF
20560     WHEN 4 : t$="Select for previous graph"
20570     WHEN 5 : t$="Select for next graph"
20580     WHEN cart_func_yes_icon%
20590          t$="Select to change.|MIndicates if gragh is plotted or not"
20600     WHEN cart_func_icon% : t$="The function to be plotted"+warn$
20610     WHEN 9 :t$="This shows the colour of the current function"
20620     ENDCASE
20630WHEN cartaxes%
20640     ap$ = "|Mf1 for default values"
20650     CASE icon% OF
20660     WHEN cart_max_x_icon%
20670       t$= "The maximum X value.|MSelect to alter"+ap$
20680     WHEN cart_min_x_icon%
20690       t$= "The minimum X value.|MSelect to alter"+ap$
20700
20710     WHEN cart_max_y_icon%
20720       t$= "The maximum Y value.|MSelect to alter"+ap$
20730     WHEN cart_min_y_icon%
20740       t$= "The minimum Y value.|MSelect to alter"+ap$
20750     WHEN auto_y_cartaxes%
20760       t$= "Manual or Auto Y axes.|MSelect to alter"
20770     ENDCASE
20780WHEN info%
20790     t$="This displays information about the Graph application"
20800WHEN save1%
20810     t$="This window allows graph function|Mand axes to be saved  "
20820     CASE icon% OF
20830     WHEN 2 : t$=t$+"|MFile name to save functions"
20840     WHEN 0 : t$=t$+"|MSelect to save using given filename"
20850     WHEN 3 : t$=t$+"|MSelect, hold and drag to a directory viwer to save"
20860     ENDCASE
20870WHEN save%
20880     t$="This window allows graph display|Mto be saved as a Draw file.  "
20890     CASE icon% OF
20900     WHEN 2 : t$=t$+"|MFile name to save graph as Draw file"
20910     WHEN 0 : t$=t$+"|MSelect to save using given filename"
20920     WHEN 3 : t$=t$+"|MSelect, hold and drag to a directory viwer to save"
20930     ENDCASE
20940WHEN parametric%
20950     CASE icon% OF
20960     terms$="|in terms of t"
20970     WHEN 4 : t$="Select for previous graph"
20980     WHEN 5 : t$="Select for next graph"
20990     WHEN para_func_yes_icon%
21000          t$="Select to change.|MIndicates if gragh is plotted or not"
21010     WHEN para_funcx_icon%:t$="The X componant of the function"+terms$+warn$
21020     WHEN para_funcy_icon%:t$="The Y componant of the function"+terms$+warn$
21030     WHEN 9 :t$="This shows the colour of the current function"
21040     ENDCASE
21050WHEN paraaxes%
21060     CASE icon% OF
21070     WHEN para_max_x_icon%
21080       t$= "The maximum X value.|MSelect to alter"
21090     WHEN para_min_x_icon%
21100       t$= "The minimum X value.|MSelect to alter"
21110     WHEN para_min_t_icon%
21120       t$= "The minimum T value.|MSelect to alter"
21130     WHEN para_max_t_icon%
21140       t$= "The maximum T value.|MSelect to alter"
21150     WHEN para_max_y_icon%
21160       t$= "The maximum Y value.|MSelect to alter"
21170     WHEN para_min_y_icon%
21180       t$= "The minimum Y value.|MSelect to alter"
21190     WHEN auto_y_cartaxes%
21200       t$= "Manual or Auto Y axes.|MSelect to alter"
21210     ENDCASE
21220
21230WHEN polar%
21240     CASE icon% OF
21250     WHEN 4 : t$="Select for previous graph"
21260     WHEN 5 : t$="Select for next graph"
21270     WHEN polar_func_yes_icon%
21280          t$="Select to change.|MIndicates if gragh is plotted or not"
21290     WHEN polar_func_icon% : t$="The function to be plotted|Min terms of t"
21300                             t$=t$+warn$
21310     WHEN 9 :t$="This shows the colour of the current function"
21320     ENDCASE
21330WHEN polaraxes%
21340     CASE icon% OF
21350     WHEN polar_max_icon%
21360       t$= "The maximum angle value.|MSelect to alter"
21370     WHEN polar_min_icon%
21380       t$= "The minimum X value.|MSelect to alter"
21390     WHEN auto_polar_axes%
21400       t$= "Manual or Auto Radius calculation.|MSelect to alter"
21410     WHEN polar_radius_icon%
21420       t$= "The maximum radius to be displayed.|MSelect to alter"
21430     ENDCASE
21440
21450ENDCASE
21460IF t$<>"" THEN
21470  block%!12=block%!8
21480  block%!16=&503
21490  $(block%+20)=t$+CHR$0
21500  !block% = (25+LENt$)AND NOT 3
21510  SYS"Wimp_SendMessage",17,block%,block%!4
21520ENDIF
21530ENDPROC
21540
21550DEF PROCsave_to_disc(name$)
21560IF format$ ="data" THEN
21570file% =OPENOUT(name$)
21580FOR graph% = 1 TO 6
21590PRINT #file%, cart_plot%(graph%)
21600PRINT #file%, cart_functions$(graph%)
21610PRINT #file%, entered_cart_functions$(graph%)
21620PRINT #file%, entered_parax_functions$(graph%)
21630PRINT #file%, entered_paray_functions$(graph%)
21640PRINT #file%, para_functions$(graph%)
21650PRINT #file%, para_plot%(graph%)
21660NEXT
21670
21680FOR graph% = 1 TO 3
21690PRINT #file%, polar_plot%(graph%)
21700PRINT #file%, polar_functions$(graph%)
21710PRINT #file%, entered_polar_functions$(graph%)
21720PRINT #file%, parax_functions$(graph%)
21730PRINT #file%, paray_functions$(graph%)
21740NEXT
21750
21760PRINT #file%,cart_plot%
21770PRINT #file%,polar_plot%
21780PRINT #file%,para_plot%
21790PRINT #file%,main_menu_open
21800PRINT #file%,quit_menu_open
21810PRINT #file%,finished%
21820PRINT #file%,auto_y_cartaxes%
21830PRINT #file%,show_axes%
21840PRINT #file%,old_main_x_origin$
21850PRINT #file%,old_main_y_origin$
21860PRINT #file%,main_x_origin%
21870PRINT #file%,main_y_origin%
21880PRINT #file%,entered_maxx
21890PRINT #file%,entered_minx
21900PRINT #file%,entered_maxy
21910PRINT #file%,entered_miny
21920PRINT #file%,auto_y_paraaxes%
21930PRINT #file%,maxx,minx,maxy,miny
21940PRINT #file%,increment
21950PRINT #file%,yfactor
21960PRINT #file%,y_shift%
21970PRINT #file%,degrees%
21980PRINT #file%,zooming%
21990PRINT #file%,auto_polar_axes%
22000
22010PRINT #file%,FNread_icon_text(cartaxes%,cart_axes_yes_icon%)
22020PRINT #file%,FNread_icon_text(cartaxes%,cart_min_x_icon%)
22030PRINT #file%,FNread_icon_text(cartaxes%,cart_max_x_icon%)
22040PRINT #file%,FNread_icon_text(cartaxes%,cart_min_y_icon%)
22050PRINT #file%,FNread_icon_text(cartaxes%,cart_max_y_icon%)
22060
22070
22080PRINT #file%,FNread_icon_text(paraaxes%,para_axes_yes_icon%)
22090PRINT #file%,FNread_icon_text(paraaxes%,para_min_x_icon% )
22100PRINT #file%,FNread_icon_text(paraaxes%,para_max_x_icon% )
22110PRINT #file%,FNread_icon_text(paraaxes%,para_min_y_icon% )
22120PRINT #file%,FNread_icon_text(paraaxes%,para_max_y_icon% )
22130PRINT #file%,FNread_icon_text(paraaxes%,para_min_t_icon% )
22140PRINT #file%,FNread_icon_text(paraaxes%,para_max_t_icon% )
22150
22160
22170PRINT #file%,FNread_icon_text(polaraxes%,polar_radius_icon%)
22180PRINT #file%,FNread_icon_text(polaraxes%,polar_min_icon% )
22190PRINT #file%,FNread_icon_text(polaraxes%,polar_max_icon%)
22200PRINT #file%,FNread_icon_text(polaraxes%,polar_axes_yes_icon%)
22210 
22220CLOSE #file%
22230SYS"Wimp_CreateMenu",,-1
22240OSCLI("settype "+name$+" 777")
22250ELSE
22260  PROCdraw(name$)
22270ENDIF
22280ENDPROC
22290
22300
22310DEF PROCload_from_disc(file_name$)
22320file% = OPENIN(file_name$)
22330FOR graph% = 1 TO 6
22340INPUT #file%, cart_plot%(graph%)
22350INPUT #file%, cart_functions$(graph%)
22360INPUT #file%, entered_cart_functions$(graph%)
22370INPUT #file%, entered_parax_functions$(graph%)
22380INPUT #file%, entered_paray_functions$(graph%)
22390INPUT #file%, para_functions$(graph%)
22400INPUT #file%, para_plot%(graph%)
22410NEXT
22420
22430FOR graph% = 1 TO 3
22440INPUT #file%, polar_plot%(graph%)
22450INPUT #file%, polar_functions$(graph%)
22460INPUT #file%, entered_polar_functions$(graph%)
22470INPUT #file%, parax_functions$(graph%)
22480INPUT #file%, paray_functions$(graph%)
22490NEXT
22500INPUT #file%,cart_plot%
22510INPUT #file%,polar_plot%
22520INPUT #file%,para_plot%
22530INPUT #file%,main_menu_open
22540INPUT #file%,quit_menu_open
22550INPUT #file%,finished%
22560INPUT #file%,auto_y_cartaxes%
22570INPUT #file%,show_axes%
22580INPUT #file%,old_main_x_origin$
22590INPUT #file%,old_main_y_origin$
22600INPUT #file%,main_x_origin%
22610INPUT #file%,main_y_origin%
22620INPUT #file%,entered_maxx
22630INPUT #file%,entered_minx
22640INPUT #file%,entered_maxy
22650INPUT #file%,entered_miny
22660INPUT #file%,auto_y_paraaxes%
22670INPUT #file%,maxx,minx,maxy,miny
22680INPUT #file%,increment
22690INPUT #file%,yfactor
22700INPUT #file%,y_shift%
22710INPUT #file%,degrees%
22720INPUT #file%,zooming%
22730INPUT #file%,auto_polar_axes%
22740INPUT #file%, text$
22750cart_axes_yes_icon%=FNchange_text(cartaxes%,cart_axes_yes_icon%,text$)
22760INPUT #file%, text$
22770cart_min_x_icon%=FNchange_text(cartaxes%,cart_min_x_icon%,text$)
22780INPUT #file%, text$
22790cart_max_x_icon=FNchange_text(cartaxes%,cart_max_x_icon%,text$)
22800INPUT #file%, text$
22810cart_min_y_icon%=FNchange_text(cartaxes%,cart_min_y_icon%,text$)
22820INPUT #file%, text$
22830cart_max_y_icon%=FNchange_text(cartaxes%,cart_max_y_icon%,text$)
22840
22850INPUT #file%, text$
22860para_axes_yes_icon%=FNchange_text(paraaxes%,para_axes_yes_icon%,text$)
22870INPUT #file%, text$
22880para_min_x_icon%=FNchange_text(paraaxes%,para_min_x_icon%,text$ )
22890INPUT #file%, text$
22900para_max_x_icon%=FNchange_text(paraaxes%,para_max_x_icon%,text$ )
22910INPUT #file%, text$
22920para_min_y_icon%=FNchange_text(paraaxes%,para_min_y_icon%,text$ )
22930INPUT #file%, text$
22940para_max_y_icon%=FNchange_text(paraaxes%,para_max_y_icon%,text$ )
22950INPUT #file%, text$
22960mint = VAL(text$)
22970para_min_t_icon%=FNchange_text(paraaxes%,para_min_t_icon%,text$ )
22980maxt = VAL(text$)
22990INPUT #file%, text$
23000para_max_t_icon%=FNchange_text(paraaxes%,para_max_t_icon%,text$ )
23010INPUT #file%, text$
23020polar_radius_icon%=FNchange_text(polaraxes%,polar_radius_icon%,text$)
23030INPUT #file%, text$
23040polar_min_icon%=FNchange_text(polaraxes%,polar_min_icon%,text$ )
23050INPUT #file%, text$
23060polar_max_icon%=FNchange_text(polaraxes%,polar_max_icon%,text$)
23070INPUT #file%, text$
23080polar_axes_yes_icon%=FNchange_text(polaraxes%,polar_axes_yes_icon%,text$)
23090CLOSE #file%
23100PROCinstall
23110ENDPROC
23120
23130
23140
23150
23160DEF PROCinstall
23170window%= cartesian%
23180cart_func_icon%= FNupdate_cart_function( 1)
23190IF cart_plot%(1) THEN
23200cart_func_yes_icon%=FNchange_text(cartesian%,cart_func_yes_icon%,"Yes")
23210ELSE
23220cart_func_yes_icon%=FNchange_text(cartesian%,cart_func_yes_icon%,"No")
23230ENDIF
23240window% = parametric%
23250para_funcx_icon%= FNupdate_parax_function( 1)
23260para_funcy_icon%= FNupdate_paray_function( 1)
23270IF para_plot%(1) THEN
23280para_func_yes_icon%=FNchange_text(parametric%,para_func_yes_icon%,"Yes")
23290ELSE
23300para_func_yes_icon%=FNchange_text(parametric%,para_func_yes_icon%,"NO")
23310ENDIF
23320window% = polar%
23330polar_func_icon%= FNupdate_polar_function( 1)
23340IF polar_plot%(1) THEN
23350polar_func_yes_icon%=FNchange_text(polar%,polar_func_yes_icon%,"Yes")
23360ELSE
23370polar_func_yes_icon%=FNchange_text(polar%,polar_func_yes_icon%,"NO")
23380ENDIF
23390current_cart_func% =1
23400current_para_func% =1
23410current_polar_func%   = 1
23420IF degrees% THEN
23430  PROCtick(main_menu%,8)
23440ELSE
23450  PROCno_tick(main_menu%,8)
23460ENDIF
23470IF show_coordinates% THEN
23480  PROCtick(main_menu%,2)
23490ELSE
23500  PROCno_tick(main_menu%,2)
23510ENDIF
23520IF show_axes% THEN
23530  PROCtick(main_menu%,9)
23540ELSE
23550  PROCno_tick(main_menu%,9)
23560ENDIF
23570
23580 IF auto_y_cartaxes% THEN
23590 PROCdeselect(cartaxes%,cart_min_y_icon%)
23600 PROCdeselect(cartaxes%,cart_max_y_icon%)
23610ELSE
23620 PROCreselect(cartaxes%,cart_min_y_icon%)
23630 PROCreselect(cartaxes%,cart_max_y_icon%)
23640ENDIF
23650
23660 IF auto_y_paraaxes% THEN
23670 PROCdeselect(paraaxes%,para_min_y_icon%)
23680 PROCdeselect(paraaxes%,para_max_y_icon%)
23690 PROCdeselect(paraaxes%,para_min_x_icon%)
23700 PROCdeselect(paraaxes%,para_max_x_icon%)
23710ELSE
23720 PROCreselect(paraaxes%,para_min_y_icon%)
23730 PROCreselect(paraaxes%,para_max_y_icon%)
23740 PROCreselect(paraaxes%,para_min_x_icon%)
23750 PROCreselect(paraaxes%,para_max_x_icon%)
23760ENDIF
23770
23780 IF auto_polar_axes% THEN
23790 PROCdeselect(polaraxes%,polar_radius_icon%)
23800ELSE
23810 PROCreselect(polaraxes%,polar_radius_icon%)
23820ENDIF
23830
23840
23850IF cart_plot% THEN PROCselect_cartesian
23860IF polar_plot% THEN PROCselect_polar
23870IF para_plot% THEN
23880  window%=parametric%
23890  PROCextract_para_func
23900  PROCselect_parametric
23910ENDIF
23920
23930REM set colour of icon
23940PROCset_graph_colour_icon(cartesian%,1)
23950PROCset_graph_colour_icon(parametric%,1)
23960PROCset_graph_colour_icon(polar%,1)
23970
23980REM set function number
23990cart_func_count_icon%=FNchange_text(cartesian%,cart_func_count_icon%,"1")
24000para_func_count_icon%=FNchange_text(parametric%,para_func_count_icon%,"1")
24010polar_func_count_icon%=FNchange_text(polar%,polar_func_count_icon%,"1")
24020
24030REM set function
24040window%=cartesian%
24050cart_func_icon% =FNupdate_cart_function(1)
24060window%=polar%
24070polar_func_icon%= FNupdate_polar_function( 1)
24080window%=parametric%
24090para_funcx_icon%= FNupdate_parax_function( 1)
24100para_funcy_icon%= FNupdate_paray_function( 1)
24110
24120
24130REM update window
24140IF  cart_plot% THEN wind%  =cartesian%
24150IF para_plot% THEN wind%   =parametric%
24160IF polar_plot% THEN  wind% =polar%
24170SYS "Wimp_ForceRedraw",wind%,0,-300,900,0
24180window%=parametric%
24190PROCopen_window(main%)
24200IF polar_plot% THEN PROCselect_polar
24210ENDPROC
24220
24230DEF PROCget_environment
24240SYS "OS_GetEnv" TO c$
24250p = INSTR(c$,"""",INSTR(c$,"""")+1)
24260c$=MID$(c$,p+1)
24270WHILE LEFT$(c$,1)=" "
24280  c$=MID$(c$,2)
24290ENDWHILE
24300IF c$<>"" THEN PROCload_from_disc(c$)
24310IF c$<>"" THEN $fi% = c$
24320ENDPROC
24330
24340
24350DEF PROCfile_data
24360  save_open% = TRUE
24370  PROCopen_window(save%)
24380ENDPROC
24390
24400
24410DEF PROCload(name$)
24420ENDPROC
24430
24440DEF PROCcreate_menu
24450DIM menu_block% 300
24460DIM menu1_block% 100
24470$menu_block% ="Graph Menu"
24480?(menu_block%+12) = 7
24490?(menu_block%+13) = 2
24500?(menu_block%+14) = 7
24510?(menu_block%+15) = 0
24520!(menu_block%+16) = 196
24530!(menu_block%+20) = 44
24540!(menu_block%+24) = 0
24550!(menu_block%+4+(24+0)) =0
24560!(menu_block%+4+(24*1+4)) =save1%
24570!(menu_block%+4+(24*1+8)) = &7000021
24580$(menu_block%+4+(24*1+12)) ="Save Data"
24590!(menu_block%+4+(24*2+0)) =0
24600!(menu_block%+4+(24*2+4)) = save%
24610!(menu_block%+4+(24*2+8)) =&7000021
24620$(menu_block%+4+(24*2+12)) ="Save Graphs"
24630!(menu_block%+4+(24*3+0)) =0
24640!(menu_block%+4+(24*3+4)) =-1
24650!(menu_block%+4+(24*3+8)) = &7000021
24660$(menu_block%+4+(24*3+12)) ="Coordinates"
24670!(menu_block%+4+(24*4+0)) =0
24680!(menu_block%+4+(24*4+4)) =-1
24690!(menu_block%+4+(24*4+8)) =&7000021
24700$(menu_block%+4+(24*4+12)) ="Axes"
24710!(menu_block%+4+(24*5+0)) =2
24720!(menu_block%+4+(24*5+4)) =-1
24730!(menu_block%+4+(24*5+8)) =&7000021
24740$(menu_block%+4+(24*5+12)) ="Functions"
24750!(menu_block%+4+(24*6+0)) =0
24760!(menu_block%+4+(24*6+4)) = -1
24770!(menu_block%+4+(24*6+8)) =&7000021
24780$(menu_block%+4+(24*6+12)) ="Cartesian"
24790!(menu_block%+4+(24*7+0)) =0
24800!(menu_block%+4+(24*7+4)) = -1
24810!(menu_block%+4+(24*7+8)) =&7000021
24820$(menu_block%+4+(24*7+12)) ="Polar"
24830!(menu_block%+4+(24*8+0)) =2
24840!(menu_block%+4+(24*8+4)) = -1
24850!(menu_block%+4+(24*8+8)) =&7000021
24860$(menu_block%+4+(24*8+12)) ="Parametric"
24870!(menu_block%+4+(24*9+0)) =0
24880!(menu_block%+4+(24*9+4)) = -1
24890!(menu_block%+4+(24*9+8)) =&7000021
24900$(menu_block%+4+(24*9+12)) ="Degrees"
24910!(menu_block%+4+(24*10+0)) = &81
24920!(menu_block%+4+(24*10+4)) = -1
24930!(menu_block%+4+(24*10+8)) =&7000021
24940$(menu_block%+4+(24*10+12)) ="Show Axes"
24950main_menu% = menu_block%
24960$menu1_block% ="Quit Menu"
24970?(menu1_block%+12) = 7
24980?(menu1_block%+13) = 2
24990?(menu1_block%+14) = 7
25000?(menu1_block%+15) = 0
25010!(menu1_block%+16) = 196
25020!(menu1_block%+20) = 44
25030!(menu1_block%+24) = 0
25040!(menu1_block%+4+(24+0)) =0
25050!(menu1_block%+4+(24*1+4)) = -1
25060!(menu1_block%+4+(24*1+8)) = &7000021
25070$(menu1_block%+4+(24*1+12)) ="Quit"
25080!(menu1_block%+4+(24*2+0)) =&80
25090!(menu1_block%+4+(24*2+4)) = info%
25100!(menu1_block%+4+(24*2+8)) =&7000021
25110$(menu1_block%+4+(24*2+12)) ="Info"
25120quit_menu%=menu1_block%
25130ENDPROC
25140
25150DEF PROCdraw_click(window%)
25160!block% = window%
25170SYS"Wimp_GetWindowState",,block%
25180wex = block%!4-block%!20
25190wey = block%!16 - block%!24
25200block%!4 = picture%
25210SYS"Wimp_GetIconState",,block%
25220!block%= window%
25230block%!4 = 5
25240block%!8 = block%!8+wex
25250block%!12 = block%!12+wey
25260block%!16 = block%!16+wex
25270block%!20 = block%!20+wey
25280block%!24 = 0
25290block%!28 = 0
25300block%!32 = &7FFFFFFF
25310block%!36 = &7FFFFFFF
25320SYS"Wimp_DragBox",,block%
25330ENDPROC
25340
25350DEF FNread_filename_text(window%)
25360IF format$ = "data" THEN
25370  !help_block% = save1%
25380ELSE
25390  !help_block% = save%
25400ENDIF
25410help_block%!4 = 2 :REM the text icon
25420SYS "Wimp_GetIconState",,help_block%
25430IF format$ = "data" THEN
25440  fi%=help_block%!28
25450ELSE
25460  gi%=help_block%!28
25470ENDIF
25480 = $(help_block%+ 28)
25490
25500DEF FNleaf(path$)
25510WHILE INSTR(path$,".")
25520path$=MID$(path$,INSTR(path$,".")+1)
25530ENDWHILE
25540=path$
25550
25560
25570DEF PROCsave
25580SYS"Wimp_GetPointerInfo",,block%
25590block%!20 = 64
25600block%!32 = 0
25610block%!36 = 1
25620block%!40 = block%!12
25630block%!44 = block%!16
25640block%!48 = !block%
25650block%!52 = block%!4
25660IF format$="data" THEN
25670  $(block%+64) = FNleaf($fi%)
25680  block%!56 = 568
25690  block%!60 = &777
25700ELSE
25710  $(block%+64) = FNleaf($gi%)
25720  block%!56 = &4000
25730  block%!60 = &AFF
25740ENDIF
25750REM Hmm
25760SYS"Wimp_SendMessage",17,block%+20,block%!12,block%!16
25770ENDPROC
25780
25790DEF PROCdatasave(b%)
25800PROCsave_to_disc(FNget_name(b%+44))
25810IF format$="data" THEN
25820 $fi%= FNget_name(b%+44)
25830ELSE
25840 $gi%= FNget_name(b%+44)
25850ENDIF
25860
25870b%!12 = b%!8
25880b%!16 = 3
25890!b% = 64
25900SYS"Wimp_SendMessage",17,b%,b%!20,b%!24
25910saveref%=b%!8
25920ENDPROC
25930
25940
25950 
25960DEF FNget_name(P%)
25970A$=""
25980WHILE ?P%<>0 AND ?P%<> 13
25990 A$ = A$+CHR$?P%:P%+=1
26000ENDWHILE
26010=A$
26020
26030DEF PROCquicksave
26040IF format$="data" THEN
26050  file$=$fi%
26060ELSE
26070  file$=$gi%
26080ENDIF
26090IF INSTR(file$,".") THEN
26100PROCsave_to_disc(file$)
26110ELSE
26120 PROCerror_message("To Save, draw the icon to a directory viewer")
26130ENDIF
26140ENDPROC
26150
26160DEF PROCdataload(b%)
26170IF b%!40 = &777 THEN
26180  PROCackload(b%)
26190  PROCload_from_disc(FNget_name(b%+44))
26200  $fi% = FNget_name(b%+44)
26210ENDIF
26220ENDPROC
26230 
26240DEF PROCackload(b%)
26250b%=block%
26260b%!12=b%!8
26270b%!16=4
26280!b%=64
26290SYS"Wimp_SendMessage",17,b%,b%!4
26300ENDPROC
26310
26320
26330
26340
26350
26360
26370
26380
26390DEFPROCpush(P%)
26400IFstack%>=maxstack%:ERROR99,"MathGraph stack full"
26410stack%(stack%)=P%
26420stack%+=1
26430ENDPROC
26440
26450
26460
26470DEFPROCpull(RETURN P%)
26480IFstack%<=0:ERROR99,"MathGraph stack empty"
26490stack%-=1
26500P%=stack%(stack%)
26510ENDPROC
26520
26530
26540
26550DEFPROCstartobj(T%)
26560LOCALP%
26570P%=draw_p%
26580PROCpush(P%)
26590!P%=T%
26600P%!4=0
26610P%!8=0
26620P%!12=0
26630P%!16=0
26640P%!20=0
26650draw_p%+=24
26660ENDPROC
26670
26680
26690
26700DEFPROCendobj
26710LOCALP%
26720PROCpull(P%)
26730P%!4=draw_p%-P%
26740IFP%!8<draw_array%!24draw_array%!24=P%!8
26750IFP%!12<draw_array%!28draw_array%!28=P%!12
26760IFP%!16>draw_array%!32draw_array%!32=P%!16
26770IFP%!20>draw_array%!36draw_array%!36=P%!20
26780ENDPROC
26790
26800
26810
26820DEFPROCstartdraw
26830$draw_array%="Draw"
26840draw_array%!4=201
26850draw_array%!8=0
26860$(draw_array%+12)="!Graph  "
26870draw_array%!24=0
26880draw_array%!28=0
26890draw_array%!32=230400
26900draw_array%!36=184320
26910dstt%=draw_array%
26920draw_p%=draw_array%+40
26930stack%=0
26940ENDPROC
26950
26960DEFPROCenddraw
26970IFstack%<>0 ERROR99,"The drawing has gone wrong"
26980dend%=draw_p%-4
26990ENDPROC
27000
27010DEFPROCstartgroup(T$)
27020PROCstartobj(6)
27030$draw_p%=LEFT$(T$+STRING$(12," "),12)
27040draw_p%+=12
27050ENDPROC
27060
27070DEFPROCendgroup
27080PROCendobj
27090ENDPROC
27100
27110
27120DEFPROCtextl(X%,Y%,H%,C%,A$)
27130PROCstartobj(1)
27140!draw_p%=C%
27150draw_p%!4=&FFFFFF00
27160draw_p%!8=0
27170draw_p%+=12
27180!draw_p%=H%DIV2
27190draw_p%!4=H%
27200draw_p%+=8
27210!draw_p%=X%
27220draw_p%!4=Y%
27230draw_p%+=8
27240H%=4-LENA$MOD4
27250$draw_p%=A$+STRING$(H%,CHR$0)
27260draw_p%+=LENA$+H%
27270PROCendobj
27280ENDPROC
27290
27300
27310
27320DEFPROCstartpath(X%,Y%,fillcol%,linecol%,linethick%)
27330PROCstartobj(2)
27340!draw_p%=fillcol%
27350draw_p%!4=linecol%
27360draw_p%+=8
27370!draw_p%=linethick%
27380draw_p%!4=2^6
27390draw_p%+=8
27400!draw_p%=2
27410draw_p%!4=X%
27420draw_p%!8=Y%
27430draw_p%+=12
27440ENDPROC
27450
27460DEFPROCdrawto(X%,Y%)
27470!draw_p%=8
27480draw_p%!4=X%
27490draw_p%!8=Y%
27500draw_p%+=12
27510ENDPROC
27520
27530
27540DEFPROCmoveto(X%,Y%)
27550!draw_p%=2
27560draw_p%!4=X%
27570draw_p%!8=Y%
27580draw_p%+=12
27590ENDPROC
27600
27610
27620DEFPROCendpath
27630!draw_p%=0
27640draw_p%+=4
27650PROCendobj
27660ENDPROC
27670
27680DEFPROCclosepath
27690!draw_p%=5
27700draw_p%+=4
27710PROCendpath
27720ENDPROC
27730PROCcs
27740ENDPROC
27750
27760DEFPROCbezier(X%,Y%,x1%,y1%,x2%,y2%)
27770!draw_p%=6:draw_p%!4=x1%:draw_p%!8=y1%:draw_p%+=12
27780!draw_p%=x2%:draw_p%!4=y2%:draw_p%+=8
27790!draw_p%=X%:draw_p%!4=Y%:draw_p%+=8
27800ENDPROC
27810
27820DEFPROCcircle(X%,Y%,R%,fillcol%,linecol%,linethick%)
27830LOCALf
27840f=SINRAD33.3333333
27850X%=X%*200+50000
27860Y%=Y%*200
27870R%=R%*200
27880PROCstartpath(X%,Y%+R%,fillcol%,linecol%,linethick%)
27890PROCbezier(X%-R%,Y%,X%-R%*f,Y%+R%,X%-R%,Y%+R%*f)
27900PROCbezier(X%,Y%-R%,X%-R%,Y%-R%*f,X%-R%*f,Y%-R%)
27910PROCbezier(X%+R%,Y%,X%+R%*f,Y%-R%,X%+R%,Y%-R%*f)
27920PROCbezier(X%,Y%+R%,X%+R%,Y%+R%*f,X%+R%*f,Y%+R%)
27930PROCclosepath
27940ENDPROC
27950
27960
27970
27980
27990DEFPROCsave_draw(name$)
28000LOCALT%
28010OSCLI"Save "+name$+" "+STR$~draw_array%+" "+STR$~(dend%+4)
28020OSCLI"Settype "+name$+" AFF"
28030ENDPROC
28040
28050
28060
28070
28080DEFFNzts(T%)
28090LOCALT$
28100WHILE?T%<>0
28110T$+=CHR$?T%
28120T%+=1
28130ENDWHILE
28140=T$
28150
28160
28170
28180
28190
28200
28210DEF PROCdraw(name$)
28220PROCglass(TRUE)
28230draw_p%=draw_array%
28240PROCstartdraw
28250PROCstartgroup("line")
28260IF cart_plot%  PROCdraw_cart
28270IF para_plot% PROCdraw_parametric
28280IF polar_plot% PROCdraw_polar
28290PROCendgroup
28300PROCenddraw
28310PROCsave_draw(name$)
28320PROCglass(FALSE)
28330ENDPROC
28340
28350
28360
28370DEF PROCdraw_cart
28380PROCdraw_cart_axes_draw
28390FOR graph% = 1 TO 6
28400 base% = plot_values% +(graph% -1)*1280*4
28410 IF cart_plot%(graph%) THEN
28420  X%=0
28430  PROCstartpath(0,-1000+0,-1,FNcolour(graph%),1)
28440  move% = TRUE
28450  REM PROCpoint_move(0,0)
28460  FOR X% = 0 TO 1276 STEP 4
28470    y% =base%!(X%*4)
28480      IF move% THEN
28490         PROCpoint_move(X%,y%+1000)
28500      ELSE
28510         PROCpoint_plot(X%,y%+1000)
28520      ENDIF
28530  NEXT
28540   PROCendpath
28550 ENDIF
28560NEXT
28570ENDPROC
28580 
28590DEF PROCdraw_cart_axes_draw
28600LOCAL tx%,ty%,t$
28610move%=FALSE
28620IF show_axes%   THEN
28630  PROCstartpath(0,2512,-1,&FF,1)
28640  PROCpoint_move(0,x_axes_level%+1000)
28650  PROCpoint_plot(1280,x_axes_level%+1000)
28660  PROCpoint_move(y_axes_level%,0+1000)
28670  PROCpoint_plot(y_axes_level%,-1050+1000)
28680  PROCpoint_move( 104,x_axes_level%-20+1000)
28690  PROCpoint_plot( 104,x_axes_level%+20+1000)
28700  PROCpoint_move( 1174,x_axes_level%-20+1000)
28710  PROCpoint_plot( 1174,x_axes_level%+20+1000)
28720  PROCpoint_move( y_axes_level%-20,-84+1000)
28730  PROCpoint_plot( y_axes_level%+20,-84+1000)
28740  PROCpoint_move( y_axes_level%-20,-938+1000)
28750  PROCpoint_plot( y_axes_level%+20,-938+1000)
28760  PROCendpath
28770  tx%=1100*200+50000
28780  ty%=(x_axes_level%-20+1000)*200
28790  t$="y="+STR$(x_axes_level)
28800  PROCtextl(tx%,ty%,8000,&FF,t$)
28810  tx% = (y_axes_level%+10)*200+50000
28820  ty%=(-50+1000)*200
28830  t$="x="+STR$(y_axes_level)
28840  PROCtextl(tx%,ty%,8000,&FF,t$)
28850ENDIF
28860ENDPROC
28870
28880
28890DEF PROCdraw_parametric
28900PROCdraw_para_axes_draw
28910FOR graph% = 1 TO 3
28920  X% = graph%*2-2
28930  Y% = graph%*2-1
28940  xbase% = plot_values%+X%*1280*4
28950  ybase% = plot_values%+Y%*1280*4
28960 IF para_plot%(graph%) THEN
28970  X%=0
28980  PROCstartpath(0,-1000+0,-1,FNcolour(graph%),1)
28990  move% = TRUE
29000  FOR T% = 0 TO 1276 STEP 2
29010    y% =ybase%!(T%*4)
29020    x% =xbase%!(T%*4)
29030      IF move% THEN
29040         PROCpoint_move(x%,y%+1000)
29050      ELSE
29060         PROCpoint_plot(x%,y%+1000)
29070      ENDIF
29080  NEXT
29090   PROCendpath
29100 ENDIF
29110NEXT
29120ENDPROC
29130 
29140DEF PROCdraw_para_axes_draw
29150LOCAL tx%,ty%,t$
29160move%=FALSE
29170IF show_axes%   THEN
29180  PROCstartpath(0,2512,-1,&FF,1)
29190  PROCpoint_move(0,x_axes_level%+1000)
29200  PROCpoint_plot(1280,x_axes_level%+1000)
29210  PROCpoint_move(y_axes_level%,0+1000)
29220  PROCpoint_plot(y_axes_level%,-1050+1000)
29230  PROCpoint_move( 210,x_axes_level%-20+1000)
29240  PROCpoint_plot( 210,x_axes_level%+20+1000)
29250  PROCpoint_move( 1068,x_axes_level%-20+1000)
29260  PROCpoint_plot( 1068,x_axes_level%+20+1000)
29270  PROCpoint_move( y_axes_level%-20,-84+1000)
29280  PROCpoint_plot( y_axes_level%+20,-84+1000)
29290  PROCpoint_move( y_axes_level%-20,-938+1000)
29300  PROCpoint_plot( y_axes_level%+20,-938+1000)
29310  PROCendpath
29320  tx%=1100*200+50000
29330  ty%=(x_axes_level%-20+1000)*200
29340  t$="y="+STR$(x_axes_level)
29350  PROCtextl(tx%,ty%,8000,&FF,t$)
29360  tx% = (y_axes_level%+10)*200+50000
29370  ty%=(-50+1000)*200
29380  t$="x="+STR$(y_axes_level)
29390  PROCtextl(tx%,ty%,8000,&FF,t$)
29400ENDIF
29410ENDPROC
29420
29430
29440DEF PROCdraw_polar
29450PROCdraw_polar_axes_draw
29460FOR graph% = 1 TO 3
29470  X% = graph%*2-2
29480  Y% = graph%*2-1
29490  xbase% = plot_values%+X%*1280*4
29500  ybase% = plot_values%+Y%*1280*4
29510 IF polar_plot%(graph%) THEN
29520  X%=0
29530  PROCstartpath(0,-1000+0,-1,FNcolour(graph%),1)
29540  move% = TRUE
29550  FOR T% = 0 TO 1276 STEP 2
29560    y% =ybase%!(T%*4)
29570    x% =xbase%!(T%*4)
29580      IF move% THEN
29590         PROCpoint_move(x%,y%+1000)
29600      ELSE
29610         PROCpoint_plot(x%,y%+1000)
29620      ENDIF
29630  NEXT
29640   PROCendpath
29650 ENDIF
29660NEXT
29670ENDPROC
29680 
29690
29700 
29710DEF PROCdraw_polar_axes_draw
29720LOCAL tx%,ty%,t$
29730move%=FALSE
29740IF show_axes%   THEN
29750 
29760  PROCcircle(640,-512+1024,106,-1,&DDDDDD,1)
29770  PROCcircle(640,-512+1024,213,-1,&DDDDDD,1)
29780  PROCcircle(640,-512+1024,320,-1,&DDDDDD,1)
29790  PROCcircle(640,-512+1024,427,-1,&DDDDDD,1)
29800  PROCstartpath(0,2512,-1,&DDDDDD,1)
29810  PROCpoint_move(1067,-512+1000)
29820  PROCpoint_plot(220,-512+1000)
29830  PROCpoint_move(640,-85+1000)
29840  PROCpoint_plot(640,-939+1000)
29850  PROCpoint_move(942,-210+1000)
29860  PROCpoint_plot(338,-814+1000)
29870  PROCpoint_move(338,-210+1000)
29880  PROCpoint_plot(942,-814+1000)
29890  PROCendpath
29900  tx% = (1070)*200+50000
29910  ty%=(-512+1000)*200
29920  A%=@%
29930  @%=&01000308
29940  t$=STR$(entered_rad)
29950  PROCtextl(tx%,ty%,8000,&FF,t$)
29960  @%=A%
29970ENDIF
29980ENDPROC
29990
30000DEF FNcolour(value%)
30010CASE value% OF
30020  WHEN 1 : =&CC00
30030  WHEN 2 : =&DD0000
30040  WHEN 3 : =&EEEEBB
30050  WHEN 4 : =&558800
30060  WHEN 5 : =&FFBB00
30070  WHEN 6 : =&00BBFF
30080ENDCASE
30090END
30100
30110DEF PROCpoint_move(x%,y%)
30120IF x% >=0 AND x% <= 1280  AND y% >= -200 AND y% <= 1200 THEN
30130 PROCmoveto(50000+x%*200,5000+y%*200)
30140 move% = FALSE
30150ENDIF
30160ENDPROC
30170
30180DEF PROCpoint_plot(x%,y%)
30190  move% = FALSE
30200 IF y% > -150 AND y% < 1100 AND x% >=0 AND x% <= 1280 THEN
30210  PROCdrawto(50000+x%*200,5000+y%*200)
30220 ELSE
30230   move% = TRUE
30240  ENDIF
30250ENDPROC
30260
30270
30280
30290DEF PROCescape_pressed
30300ENDPROC
30310
30320DEF PROCmemory
30330q%=parameter%
30340REM IFq%!12<>saveref%:ENDPROC
30350PROCglass(TRUE)
30360draw_p%=draw_array%
30370PROCstartdraw
30380PROCstartgroup("line")
30390IF cart_plot%  PROCdraw_cart
30400IF para_plot% PROCdraw_parametric
30410IF polar_plot% PROCdraw_polar
30420PROCendgroup
30430PROCenddraw
30440PROCglass(FALSE)
30450ENDPROC
30460IFdend%-draw_array%+1<q%!24 THEN
30470 q%!24=dend%-draw_array%%+4
30480ENDIF
30490VDU7
30500SYS"Wimp_TransferBlock",task%,draw_array%,new_task%,q%!20,q%!24
30510!q%=28
30520q%!16=7
30530q%!12=ref%
30540draw_array%+=q%!24 : REM is this needed
30550SYS"Wimp_SendMessage",17,q%,task%
30560saveref%=q%!8
30570ENDPROC
30580:
30590:
30600:
30610DEF PROCconvert(input$,var$,RETURN output$, RETURN error_no%)
30620LOCAL error%, eval_sp%, old_var$, en%
30630error_no% =0
30640eval_sp% = 0
30650old_var$ = var$
30660var$ = "@"
30670PROCstrip_space(input$)
30680IF LEN(input$) = 0 THEN
30690  error_no% = 5
30700ELSE
30710  PROCbracketfix(input$)
30720  PROCanalyse1(old_var$,input$,error%,en%)
30730  IF error% THEN
30740    error_no%=en%
30750  ELSE
30760    PROCunary(input$,var$)
30770    PROCvariable(input$,var$)
30780    PROCnumber(input$,var$)
30790    PROCanalyse(var$,input$,error%,en%)
30800    IF error% THEN
30810      error_no%=1
30820    ELSE
30830      PROCbuild(error_no%)
30840      IF error_no% = 0 THEN
30850         PROCresult(output$,error%)
30860         IF error% THEN error_no% = 4
30870      ENDIF
30880    ENDIF
30890  ENDIF
30900  PROCback(output$,old_var$)
30910ENDIF
30920IF error_no% <>0 THEN output$=""
30930ENDPROC
30940:
30950:
30960DEF PROCvariable(RETURN line$,v$)
30970LOCAL c$,pointer%,new$,op$
30980op$="+-*/^)"
30990new$ = ""
31000IF LEN line$ > 1 THEN
31010FOR pointer% = 1 TO  LEN (line$)-1
31020  c$ = MID$(line$, pointer%,1)
31030  new$=new$+c$
31040  IF  c$= v$ AND INSTR(op$,MID$(line$,pointer%+1,1)) = 0 THEN
31050        new$=new$+"*"
31060  ENDIF
31070  IF  c$= ")" AND MID$(line$,pointer%+1,1) ="(" THEN
31080        new$=new$+"*"
31090  ENDIF
31100NEXT
31110new$=new$+RIGHT$(line$,1)
31120ELSE
31130  new$ = line$
31140ENDIF
31150line$=new$
31160ENDPROC
31170:
31180:
31190DEF PROCnumber(RETURN line$,var$)
31200LOCAL c$,pointer%,new$,op$,num$
31210op$="+-*/^)"
31220num$="0123456789."
31230new$ = ""
31240IF LEN line$ > 1 THEN
31250FOR pointer% = 1 TO  LEN (line$)-1
31260    number%=FALSE
31270    next_not_no_op% = FALSE
31280  c$ = MID$(line$, pointer%,1)
31290  n$ = MID$(line$, pointer%+1,1)
31300  new$=new$+c$
31310  IF INSTR(num$,c$) > 0 THEN number% = TRUE
31320  IF INSTR(op$+num$,n$) = 0 THEN next_not_no_op% = TRUE
31330  IF number% AND next_not_no_op% THEN
31340    IF n$=var$ THEN   new$=new$+"#" ELSE new$=new$+"*"
31350  ENDIF
31360NEXT
31370new$=new$+RIGHT$(line$,1)
31380ELSE
31390 new$ = line$
31400ENDIF
31410line$=new$
31420ENDPROC
31430:
31440:
31450:
31460:
31470:
31480:
31490DEF PROCunary( RETURN line$, var$)
31500LOCAL c$, pointer%, new$, num$,p$,char$
31510num$ = "0123456789.()"+var$
31520new$=""
31530FOR pointer% = 1 TO LEN line$
31540  c$ = MID$(line$, pointer%,1)
31550  p$ = MID$(line$, pointer%-1,1)
31560  char$ = c$
31570  IF pointer% =1 AND c$="-" THEN
31580     char$ = "~"
31590  ELSE
31600     IF c$ = "-" AND INSTR(num$,p$) = 0 THEN char$ = "~"
31610  ENDIF
31620  IF c$ = "+" AND INSTR(num$,p$) = 0 THEN char$ = ""
31630  new$ = new$ + char$
31640NEXT
31650line$ = new$
31660ENDPROC
31670:
31680:
31690:
31700DEF PROCanalyse(var$,function$,RETURN error%,RETURN en%)
31710LOCAL term$,prec%
31720en% =1
31730error% = FALSE
31740PROCinit_stack
31750PROCinit_add
31760WHILE LEN function$ >0  AND NOT error%
31770  PROClexical(var$,function$,term$, prec%, error%,en%)
31780  PROCadd_to_rpn(term$,prec%)
31790ENDWHILE
31800PROCflush_rpn
31810ENDPROC
31820:
31830:
31840:
31850DEF PROCanalyse1(var$,RETURN function$,RETURN error%,RETURN en%)
31860LOCAL term$,prec%
31870en% =1
31880error% = FALSE
31890rpn$=""
31900PROCinit_stack
31910PROCinit_add
31920WHILE LEN function$ >0 AND NOT error%
31930  PROClexical(var$,function$,term$, prec%, err%,en%)
31940  IF term$ = var$ THEN term$="@"
31950  rpn$=rpn$+term$
31960  IF err% THEN error% = TRUE
31970ENDWHILE
31980function$ = rpn$
31990ENDPROC
32000:
32010:
32020:
32030DEF PROClexical(var$, RETURN line$, RETURN term$,RETURN prec%,RETURN error%,RETURN en%)
32040LOCAL num$,length%,remainder$,c%,operator%
32050error% = FALSE
32060num$ = "0123456789."
32070length% = LEN( line$)
32080remainder$=""
32090IF INSTR(num$,LEFT$(line$, 1)) > 0 THEN
32100    c% = 0
32110    REPEAT
32120      c%+=1
32130    UNTIL c% = length% OR INSTR(num$,MID$(line$,c%+1,1)) =0
32140    prec% = -1
32150    term$ = LEFT$(line$, c%)
32160    error% = NOT FNvalid_no(term$)
32170    IF error% THEN en% = 7
32180    remainder$ = RIGHT$(line$, length% -c%)
32190ELSE
32200    c% = 0
32210    operator% = FALSE
32220    REPEAT
32230       c%+=1
32240       IF LEFT$(line$, LEN(word$(c%))) = word$(c%) THEN operator% = TRUE
32250    UNTIL operator% OR word$(c%)="END"
32260    IF operator% THEN
32270       prec% = prec%(c%)
32280       term$ = word$(c%)
32290       remainder$ = RIGHT$(line$,length%-LEN(term$))
32300     ELSE
32310       IF LEFT$(line$,LEN(var$))=var$ THEN
32320          prec% = -1
32330          remainder$ = RIGHT$(line$,length%-LEN(var$))
32340          term$ = var$
32350       ELSE
32360          error%= TRUE
32370          en% = 1
32380       ENDIF
32390     ENDIF
32400ENDIF
32410line$ = remainder$
32420ENDPROC
32430:
32440:
32450:
32460:
32470DEF PROCset_vocab
32480LOCAL c%,
32490DIM word$(40), prec%(40)
32500RESTORE
32510c%=0
32520REPEAT
32530  c%+=1
32540  READ word$(c%), prec%(c%)
32550UNTIL word$(c%) ="END"
32560DATA "+",1
32570DATA "-",2
32580DATA "*",3
32590DATA "/",4
32600DATA "~",6
32610DATA "#",6
32620DATA "^",7
32630DATA "SIN",5
32640DATA "TAN",5
32650DATA "COS",5
32660DATA "ASN",5
32670DATA "ATN",5
32680DATA "ACS",5
32690DATA "ABS",5
32700DATA "INT",5
32710DATA "DEG",5
32720DATA "RAD",5
32730DATA "SINH",5
32740DATA "COSH",5
32750DATA "TANH",5
32760DATA "FACT",5
32770DATA "INVTANH",5
32780DATA "INVSINH",5
32790DATA "INVCOSH",5
32800DATA "LOG",5
32810DATA "LN",5
32820DATA "EXP",5
32830DATA "(",0
32840DATA ")",0
32850DATA "PI",-1
32860DATA "END",8
32870ENDPROC
32880:
32890:
32900:
32910DEF PROCstrip_space( RETURN line$)
32920LOCAL c$,pointer%,new$
32930new$ =""
32940FOR pointer% = 1 TO LEN line$
32950  c$ = MID$(line$, pointer%,1)
32960  IF c$ <>" " THEN new$ = new$+c$
32970NEXT
32980line$ = new$
32990ENDPROC
33000:
33010:
33020:
33030DEF PROCset_stacks
33040DIM rpn$(100),rpn%(100), add$(100), add%(100)
33050rpn_sp% = 0
33060eval_sp% = 0
33070ENDPROC
33080:
33090:
33100DEF PROCinit_stack
33110rpn_sp% = 0
33120ENDPROC
33130:
33140DEF PROCpush_m(string$,prec%)
33150rpn$(rpn_sp%) = string$
33160rpn%(rpn_sp%) = prec%
33170rpn_sp%+=1
33180ENDPROC
33190:
33200:
33210DEF PROCpull_m(RETURN string$, RETURN prec%, RETURN error%)
33220IF rpn_sp% = 0 THEN
33230   error% = TRUE
33240ELSE
33250   error% = FALSE
33260   rpn_sp%-=1
33270   string$ = rpn$(rpn_sp%)
33280   prec% = rpn%(rpn_sp%)
33290ENDIF
33300ENDPROC
33310:
33320:
33330:
33340:
33350:
33360DEF PROCevaluate(term$,prec%, RETURN error_no%)
33370LOCAL result$,operand1$,operand2$,an_error
33380an_error = FALSE
33390error_no% = 0
33400CASE prec% OF
33410  WHEN -1 : PROCpush_m(term$,prec%)
33420  WHEN 1,2,3,4,6,7
33430            IF term$="~" THEN
33440              PROCpull_m(operand1$,prec%,error)
33450              IF error THEN an_error = TRUE
33460              result$="("+term$+"("+operand1$+")"+")"
33470              PROCpush_m(result$,prec%)
33480            ELSE
33490              PROCpull_m(operand1$,prec%, error)
33500              IF error THEN an_error = TRUE
33510              PROCpull_m(operand2$,prec%, error)
33520              IF error THEN an_error = TRUE
33530              result$="("+operand2$+term$+operand1$+")"
33540              PROCpush_m(result$,prec%)
33550            ENDIF
33560  WHEN 5 : PROCpull_m(operand1$,prec%,error)
33570           IF error THEN an_error = TRUE
33580           result$="("+term$+"("+operand1$+")"+")"
33590           PROCpush_m(result$,prec%)
33600  OTHERWISE : error_no% = 2
33610ENDCASE
33620IF an_error THEN error_no% = 3
33630ENDPROC
33640:
33650:
33660DEF PROCresult(RETURN function$,RETURN error%)
33670LOCAL error,operand1$
33680error%= FALSE
33690PROCpull_m(operand1$,prec%,error)
33700IF error THEN
33710   error%=TRUE
33720ELSE
33730   function$ = operand1$
33740ENDIF
33750ENDPROC
33760:
33770:
33780DEF PROCadd_to_rpn(term$,prec%)
33790LOCAL operator$,op_prec%, error%,op_prec%,np%
33800IF prec% = -1 THEN
33810   PROCadd(term$,prec%)
33820ELSE
33830   IF term$=")" THEN
33840      REPEAT
33850         PROCpull_m(operator$,op_prec%, error%)
33860         IF operator$<>"(" THEN PROCadd(operator$,op_prec%)
33870      UNTIL operator$="(" OR error%
33880   ELSE
33890     IF FNnext_rpn_precedence= 8 OR term$ = "(" THEN
33900       PROCpush_m(term$,prec%)
33910     ELSE
33920       IF FNnext_rpn_precedence <= prec% THEN
33930         PROCpush_m(term$,prec%)
33940      ELSE
33950         REPEAT
33960           PROCpull_m(operator$,op_prec%, error%)
33970           PROCadd(operator$,op_prec%)
33980           np% = FNnext_rpn_precedence
33990         UNTIL np% <= prec% OR np% =0 OR np% = 8 OR error%
34000         PROCpush_m(term$,prec%)
34010      ENDIF
34020     ENDIF
34030   ENDIF
34040ENDIF
34050ENDPROC
34060:
34070:
34080DEF PROCflush_rpn
34090LOCAL operator$,op_prec%, error%
34100WHILE FNnext_rpn_precedence <> 8
34110    PROCpull_m(operator$,op_prec%, error%)
34120    PROCadd(operator$,op_prec%)
34130ENDWHILE
34140ENDPROC
34150:
34160:
34170:
34180DEF FNnext_rpn_precedence
34190IF rpn_sp% = 0 THEN
34200 =8
34210ELSE
34220 = rpn%(rpn_sp%-1)
34230ENDIF
34240:
34250:
34260DEF PROCinit_add
34270pointer%=0
34280ENDPROC
34290:
34300:
34310DEF PROCadd(string$,prec%)
34320 add$(pointer%) = string$
34330 add%(pointer%) = prec%
34340 pointer%+=1
34350ENDPROC
34360:
34370:
34380DEF PROCbuild(RETURN error%)
34390LOCAL local_error%
34400error% = 0
34410rpn_sp% =0
34420FOR a% = 0 TO pointer% -1
34430  PROCevaluate(add$(a%),add%(a%),local_error%)
34440  IF local_error% > 0 THEN error% = local_error%
34450NEXT
34460ENDPROC
34470:
34480:
34490:
34500:
34510:
34520DEF FNvalid_no(number$)
34530LOCAL c%, points
34540ok = TRUE
34550IF number$="." THEN ok=FALSE
34560  points=0
34570  FOR c% = 1 TO LENnumber$
34580     IF MID$(number$,c%,1) = "." THEN points+=1
34590  NEXT
34600  IF points>1 THEN ok=FALSE
34610ENDIF
34620=ok
34630:
34640:
34650DEF PROCback(RETURN term$, var$)
34660LOCAL news$,i%,char$
34670new$=""
34680FOR i% = 1 TO LENterm$
34690  char$ = MID$(term$,i%,1)
34700  IF char$ = "@" THEN char$=var$
34710  IF char$ = "#" THEN char$ = "*"
34720  IF char$ = "~" THEN char$ = "-"
34730  new$ = new$+char$
34740NEXT
34750term$=new$
34760ENDPROC
34770:
34780:
34790DEF PROCbracketfix(RETURN input$)
34800LOCAL c%,new$
34810new$=""
34820FOR c% = 1 TO LENinput$-1
34830  c1$ = MID$(input$,c%,1)
34840  c2$ = MID$(input$,c%+1,1)
34850  IF c1$=")" AND INSTR("+-*/^)",c2$)=0 THEN
34860    new$ = new$ + c1$+"#"
34870  ELSE
34880    new$=new$+c1$
34890  ENDIF
34900NEXT
34910input$=new$+c2$
34920ENDPROC
34930:
34940:
34950:
34960:
34970:
34980:
34990:
35000DEF PROCreport_func_error(gra%,error_no%)
35010LOCAL text$, fn$
35020fn$=STR$(gra%)
35030IF para_plot% THEN
35040  IF gra% MOD 2 = 0 THEN
35050    fn$=STR$((1+gra%) DIV 2)
35060    fn$=fn$+" Y(t) "
35070  ELSE
35080    fn$=STR$((1+gra%) DIV 2)
35090    fn$=fn$+" X(t) "
35100  ENDIF
35110ENDIF
35120CASE error_no% OF
35130WHEN 1 : text$="contains a function which does not exist"
35140WHEN 2 : text$="has incorrect bracket use"
35150WHEN 3 : text$="has incorrect operator use"
35160WHEN 5 : text$="has no expression"
35170WHEN 6 : text$="has an operand missing"
35180WHEN 7 : text$="has a badly formed number"
35190OTHERWISE : text$="Error 9"
35200ENDCASE
35210text$=text$+". It will not be plotted."
35220PROCfunc_error_message("Function "+fn$+" "+text$)
35230PROCredraw_main_window :REM ok?
35240ENDPROC
35250
35260
35270DEF PROCfunc_error_message(text$)
35280SYS"Hourglass_Smash"
35290SYS"Wimp_DragBox",,-1
35300!block%=ERR
35310$(block%+4)=text$
35320SYS "Wimp_ReportError",block%,1,"Graphs"
35330ENDPROC
35340
35350
35360
35370DEF PROCext_func(RETURN f$)
35380f$= FNreplace(f$,"ARCTANH","FNarctanh")
35390f$= FNreplace(f$,"ARCCOSH","FNarccosh")
35400f$= FNreplace(f$,"ARCSINH","FNarcsinh")
35410f$= FNreplace(f$,"SINH","FNsinh")
35420f$= FNreplace(f$,"COSH","FNcosh")
35430f$= FNreplace(f$,"TANH","FNtanh")
35440f$= FNreplace(f$,"FACT","FNfact")
35450IF degrees% THEN
35460f$ = FNreplace(f$,"SIN","SINRAD")
35470f$ = FNreplace(f$,"COS","COSRAD")
35480f$ = FNreplace(f$,"TAN","TANRAD")
35490f$ = FNreplace(f$,"ASN","DEGASN")
35500f$ = FNreplace(f$,"ATN","DEGATN")
35510f$ = FNreplace(f$,"ACS","DEGACS")
35520ENDIF
35530ENDPROC
35540
35550
35560DEF PROCDUMMY
35570ENDPROC
35580
35590
35600

� >:graphs.$.versions.v1
� Plots mathmatical graphs
"� Cartesian, Polar, Parametric
(3� Version 1 + FUNCTION EVALUATOR  A.F.Lane 1990
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<� � � 0:�:�:�
F�initialise_variables
P� � �error
Z�load_sprites
d�load_templates
n�create_menu
x�initialise_functions
�graph_icon% =�iconbar
�� � �error
�
�assemble
��get_environment
�
�mainloop
��
�
� 
�� �initialise_variables
��set_vocab
��set_stacks
�� caret% 24
�� code% 600
� graph_box% 18
� block% &300
� sprites% 2000
"� buffer% &4000
,� temp% &1500
6� DIM quit_menu% &200
@� DIM main_menu% &300
J� cart_plot%(6)
T� cart_functions$(6)
^ � entered_cart_functions$(6)
h!� current_cart_func_text% 200
r� plot_values% 40320
|� polar_plot%(3)
�� polar_functions$(3)
�!� entered_polar_functions$(3)
�"� current_polar_func_text% 200
�polar_plot%() = �
�� parax_functions$(3)
�� paray_functions$(3)
�cart_plot%() = �
�!� entered_parax_functions$(6)
�!� entered_paray_functions$(6)
�"� current_parax_func_text% 200
�"� current_paray_func_text% 200
�� para_functions$(6)
�� para_plot%(6)
� help_block% 100
� b% 400
� table% 5200
&maxstack% = 50
0� stack%(maxstack%)
:� draw_array% 24000
Dpara_plot%() = �
N$block%= "TASK"
X?ș "Wimp_Initialise",200,!block%,"Graphs" � version%, task%
bcart_plot% = �
lpolar_plot%= �
vpara_plot% = �
�main_menu_open = �
�quit_menu_open = �
�finished% = �
�auto_y_cartaxes% = �
�show_axes%   = �
�cart_axes_yes_icon% = 9
�cart_func_yes_icon% = 6
�cart_func_count_icon% = 3
�cart_func_icon%      =7
�current_cart_func%  = 1
�cart_min_x_icon%    = 5
�cart_max_x_icon%    = 6
�cart_min_y_icon%    = 7
cart_max_y_icon%    = 8

x_icon%=2

y_icon%=3
 old_main_x_origin$ = ""
*old_main_y_origin$ = ""
4main_x_origin% = 0
>main_y_origin% = 0
Hentered_maxx  =  5
Rentered_minx  = -5
\entered_maxy  = 10
fentered_miny  =-10
pauto_y_paraaxes% = �
z%�adjust_axes(maxx,minx,maxy,miny)
�show_coordinates% = �
�default_format% = @%
� increment = (maxx-minx)/1280
� yfactor = 1024/(maxy - miny)
�)y_shift% = 512 +yfactor*(miny+maxy)/2
�degrees% = �
�C�calc_cart_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
�zooming% = �
�para_axes_yes_icon% = 9
�para_min_x_icon% = 5
�para_max_x_icon% = 6
�para_min_y_icon% = 7
�para_max_y_icon% = 8
para_min_t_icon% = 11
para_max_t_icon% = 13
current_para_func% =1
$para_func_yes_icon% = 6
.para_funcx_icon%   =7
8para_funcy_icon%   =11
Bpara_func_count_icon%=3
Lpolar_radius_icon%    = 2
Vpolar_min_icon%       = 4
`polar_max_icon%       = 5
jpolar_axes_yes_icon%  = 7
tpolar_left_icon%      = 4
~polar_func_count_icon%= 3
�polar_right_icon%     = 5
�polar_func_icon%      = 7
�polar_func_yes_icon%  = 6
�polar_colour_icon%    = 9
�auto_polar_axes%      = �
�current_polar_func%   = 1
�#big%                  = 1000000
�max_radius            = 1
�ok_icon%              = 0
�picture%              = 3
�entered_rad           = 1
�"format$               = "data"
sf                    =1

old_sf                =1
save_open%            =�
save1_open%           =�
(�
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F� �initialise_functions
Pcart_functions$(1) ="X^2"
Zcart_functions$(2) ="X^3"
dcart_functions$(3) ="1/X"
ncart_functions$(4) ="1/X^2"
xcart_functions$(5) ="SINX"
�cart_functions$(6) ="LOGX"
�para_functions$(1) ="2t^2"
�para_functions$(2) ="4t"
�para_functions$(3) ="SINt"
�para_functions$(4) ="COS3t"
�para_functions$(5) ="2t"
�para_functions$(6) ="1/t"
�� graph% = 1 � 6
�?  entered_cart_functions$(graph%) = cart_functions$(graph%)
��
��initialise_para
�window%= cartesian%
�.cart_func_icon%= �update_cart_function( 1)
Hcart_axes_yes_icon%=�change_text(cartaxes%,cart_axes_yes_icon%,"NO")
�tick(main_menu%,5)
�no_tick(main_menu%,6)
"�no_tick(main_menu%,7)
,�no_tick(main_menu%,8)
6�tick(main_menu%,9)
@window% = parametric%
J0para_funcx_icon%= �update_parax_function( 1)
T0para_funcy_icon%= �update_paray_function( 1)
^Hpara_axes_yes_icon%=�change_text(paraaxes%,cart_axes_yes_icon%,"NO")
hwindow% = polar%
r#polar_functions$(1) ="SINtCOSt"
|$polar_functions$(2) ="SIN3tCOS4"
�polar_functions$(3) ="TANt"
�para_functions$(6) ="1/t"
�� graph% = 1 � 3
�A  entered_polar_functions$(graph%) = polar_functions$(graph%)
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�0polar_func_icon%= �update_polar_function( 1)
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b+ș "Wimp_CreateWindow",,buffer% � info%
lEș "Wimp_LoadTemplate",,buffer%,temp%+&300,temp%+&5FF,-1,"save",0
vbuffer%!64 = sprites%
�+ș "Wimp_CreateWindow",,buffer% � save%
�Fș "Wimp_LoadTemplate",,buffer%,temp%+&600,temp%+&8FF,-1,"save1",0
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�/ș "Wimp_CreateWindow",,buffer% � cartaxes%
�Jș "Wimp_LoadTemplate",,buffer%,temp%+&B00,temp%+&DFF,-1,"cartesian",0
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Lș "Wimp_LoadTemplate",,buffer%,temp%+&F00,temp%+&10FF,-1,"parametric",0
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4/ș "Wimp_CreateWindow",,buffer% � paraaxes%
>Lș "Wimp_LoadTemplate",,buffer%,temp%+&1200,temp%+&12FF,-1,"polaraxes",0
H0ș "Wimp_CreateWindow",,buffer% � polaraxes%
RHș "Wimp_LoadTemplate",,buffer%,temp%+&1300,temp%+&14FF,-1,"polar",0
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f,ș "Wimp_CreateWindow",,buffer% � polar%
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fȎ window% �

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L1 � para_min_y_icon% : icon% =para_max_y_icon%
V1 � para_max_y_icon% : icon% =para_min_t_icon%
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� Ȏ caret_icon% �
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+f.position% = �(object$)-�(target$)-start%+1
+p8object$ = �object$,start%-1)+by$+�object$,position%)
+z,start% = �object$,target$,start%+�(by$))
+��
+�=object$
+�
+�
+�
+�/� �adjust_axes(� maxx,� minx,� maxy,� miny)
+�� average,sf
+�sf= 1.2
+�-average =  (entered_maxx +entered_minx)/2
+�*maxx=(entered_maxx-average)*sf+average
+�*minx=(entered_minx-average)*sf+average
+�-average =  (entered_maxy +entered_miny)/2
+�*maxy=(entered_maxy-average)*sf+average
,*miny=(entered_miny-average)*sf+average
,�
,
,$
,.� �zoom
,8� A%
,B� � zooming% � cart_plot% �
,Lzooming% = �
,V� 26
,`!block% = main%
,j#ș "Wimp_GetWindowInfo",,block%
,t.�24,block%!4;block%!8;block%!12;block%!16;
,~�4,5
,�$ș "Wimp_GetPointerInfo",,block%
,�x1% =  !block%
,�y1% =  block%!4
,��
,� ȗ mx,my,b
,�	� b=0
,��
,� ȗ mx,my,b
,� x2% =  mx
,� y2% =  my
,� ȓ x1%,y1%,x2%-x1%,y2%-y1%
,� Ȗ
- ȓ x1%,y1%,x2%-x1%,y2%-y1%
-
 ȗ mx,my,b
-� b = 1 � b=4
-	A%=@%
-(@%=&01000608
-2� x1% > x2% � Ȕ x1%,x2%
-<� y1% > y2% � Ȕ y1%,y2%
-F:n_minx=(x1% -main_x_origin%) *(maxx-minx)/1280/sf+minx
-P:n_maxx=(x2% -main_x_origin%) *(maxx-minx)/1280/sf+minx
-Z<n_miny=(y1% - main_y_origin% )* (maxy-miny)/1024/sf+maxy
-d<n_maxy=(y2% - main_y_origin% )* (maxy-miny)/1024/sf+maxy
-n;� b=1 � �(n_miny) <>�(n_maxy) � �(n_minx) <>�(n_maxx) �
-xminx = n_minx
-�miny = n_miny
-�maxx = n_maxx
-�maxy = n_maxy
-�Ecart_min_y_icon%=�change_text(cartaxes%,cart_min_y_icon%,�(miny))
-�Ecart_max_y_icon%=�change_text(cartaxes%,cart_max_y_icon%,�(maxy))
-�Ecart_min_x_icon%=�change_text(cartaxes%,cart_min_x_icon%,�(minx))
-�Ecart_max_x_icon%=�change_text(cartaxes%,cart_max_x_icon%,�(maxx))
-�2ș "Wimp_ForceRedraw",cartaxes%,0,-1280,1280,0
-��calculate_cart
-��
-�	@%=A%
-�zooming% = �
-��
.�
.
.� �fact(x%)
."� sum, count%
.,sum = 1
.6� x% > 1 �
.@� count% = 2 � x%
.J sum = sum * count%
.T�
.^�
.h=sum
.r 
.|� �cosh(x)
.�=0.5*(�(x)+�(-x))
.�
.�� �sinh(x)
.�=0.5*(�(x)-�(-x))
.� 
.�� �tanh(x)
.�=�sinh(x)/�cosh(x)
.�
.�� �arccosh(x)
.�=�(x+(x*x-1)^0.5)
.�
.�� �arcsinh(x)
.�=�(x+(x*x+1)^0.5)
/
/� �arctanh(x)
/=0.5*�((1+x)/(1-x))
/&
/0� �upper(text$)
/:� result$,i%,c$
/Dresult$=""
/N� i% = 1 � �text$
/X c$=�text$,i%,1)
/b* � c$>="a" � c$<="z" � c$=�(�(c$)�&DF)
/l result$=result$+c$
/v�
/�=result$
/�
/�� �select_cartesian
/�cart_plot% = �
/�polar_plot%= �
/�para_plot% = �
/��no_tick(main_menu%,6)
/��no_tick(main_menu%,7)
/��tick(main_menu%,5)
/��close(parametric%)
/��close(paraaxes%)
/��close(polar%)
/��close(polaraxes%)
0�open_window(cartaxes%)
0�open_window(cartesian%)
0�calculate_cart
0 � show_coordinates% �
0*�open_window(coord%)
04�
0>�
0H
0R
0\� �select_polar
0fwindow%= polar%
0pcart_plot% = �
0zpolar_plot%= �
0�para_plot% = �
0��no_tick(main_menu%,5)
0��no_tick(main_menu%,7)
0��tick(main_menu%,6)
0��close(parametric%)
0��close(paraaxes%)
0��close(cartesian%)
0��close(cartaxes%)
0��close(coord%)
0��close(polaraxes%)
0��open_window(polar%)
0��open_window(polaraxes%)
0��calculate_polar
1�
1
1
1$� �select_parametric
1.window%=parametric%
18cart_plot% = �
1Bpolar_plot%= �
1Lpara_plot% = �
1V�no_tick(main_menu%,6)
1`�no_tick(main_menu%,5)
1j�tick(main_menu%,7)
1t�close(cartesian%)
1~�close(cartaxes%)
1��close(polar%)
1��close(polaraxes%)
1��open_window(paraaxes%)
1��open_window(parametric%)
1�� show_coordinates% �
1��open_window(coord%)
1��
1��calculate_para
1��
1�
1�
1�$� �updateparaaxes(window%,icon%)
2#� icon% = para_axes_yes_icon% �
2
+  auto_y_paraaxes% = � auto_y_paraaxes%
2 � auto_y_paraaxes% �
2: para_axes_yes_icon%=�change_text(window%,icon%,"YES")
2(( �deselect(window%,para_min_y_icon%)
22( �deselect(window%,para_max_y_icon%)
2<( �deselect(window%,para_min_x_icon%)
2F( �deselect(window%,para_max_x_icon%)
2P�
2Z9 para_axes_yes_icon%=�change_text(window%,icon%,"NO")
2d( �reselect(window%,para_min_y_icon%)
2n( �reselect(window%,para_max_y_icon%)
2x( �reselect(window%,para_min_x_icon%)
2�( �reselect(window%,para_max_x_icon%)
2��
2��
2�.ș "Wimp_ForceRedraw",window%,0,-500,800,0
2��
2�
2�
2�&� �updateparametric(window%,icon%)
2��extract_para_func
2�' � para_plot%(current_para_func%) �
2�H para_func_yes_icon%=�change_text(window%,para_func_yes_icon%,"YES")
2��
2�G para_func_yes_icon%=�change_text(window%,para_func_yes_icon%,"NO")
3�
3#� icon% = para_func_yes_icon% �
3G  para_plot%(current_para_func%) = � para_plot%(current_para_func%)
3"' � para_plot%(current_para_func%) �
3,: para_func_yes_icon%=�change_text(window%,icon%,"YES")
36�
3@9 para_func_yes_icon%=�change_text(window%,icon%,"NO")
3J�
3T�
3^*� icon% = 4 � current_para_func% > 1 �
3h    current_para_func% -=1
3r]para_func_count_icon% = �change_text(window%,para_func_count_icon%,�(current_para_func%))
3|�
3�*� icon% = 5 � current_para_func% < 3 �
3�    current_para_func% +=1
3�]para_func_count_icon% = �change_text(window%,para_func_count_icon%,�(current_para_func%))
3��
3�A para_funcx_icon%=�update_parax_function( current_para_func%)
3�A para_funcy_icon%=�update_paray_function( current_para_func%)
3�&� para_plot%(current_para_func%) �
3�H para_func_yes_icon%=�change_text(window%,para_func_yes_icon%,"YES")
3��
3�G para_func_yes_icon%=�change_text(window%,para_func_yes_icon%,"NO")
3��
3�6�set_graph_colour_icon(window%,current_para_func%)
3�!block% = window%
4.ș "Wimp_ForceRedraw",window%,0,-300,900,0
4�
4
4&$� �update_parax_function( item%)
40!block% = window%
4:block%!4 = para_funcx_icon%
4D"ș "Wimp_GetIconState",,block%
4N ș "Wimp_DeleteIcon",,block%
4X*� below% = block% + 4 � block% +35 � 4
4b  !below% = below%!4
4l�
4vtext% = block% + 24
4�validation% = block% + 28
4� buffer_length% = block% + 32
4�%!text% = current_parax_func_text%
4�!validation% = -1
4�!buffer_length% = 200
4�?$current_parax_func_text% = entered_parax_functions$(item%)
4�(ș "Wimp_CreateIcon",,block% � icon%
4�
=icon%
4�
4�$� �update_paray_function( item%)
4�!block% = window%
4�block%!4 = para_funcy_icon%
4�"ș "Wimp_GetIconState",,block%
5 ș "Wimp_DeleteIcon",,block%
5*� below% = block% + 4 � block% +35 � 4
5  !below% = below%!4
5 �
5*text% = block% + 24
54validation% = block% + 28
5> buffer_length% = block% + 32
5H%!text% = current_paray_func_text%
5R!validation% = -1
5\!buffer_length% = 200
5f?$current_paray_func_text% = entered_paray_functions$(item%)
5p(ș "Wimp_CreateIcon",,block% � icon%
5z
=icon%
5�
5�
5�
5�� �extract_para_func
5�!block% = window%
5�block%!4 = para_funcx_icon%
5�"ș "Wimp_GetIconState",,block%
5�?entered_parax_functions$(current_para_func%) = $(block%!28)
5�!block% = window%
5�block%!4 = para_funcy_icon%
5�"ș "Wimp_GetIconState",,block%
5�?entered_paray_functions$(current_para_func%) = $(block%!28)
5�� graph% = 1 � 3
6@ parax_functions$(graph%) = entered_parax_functions$(graph%)
6@ paray_functions$(graph%) = entered_paray_functions$(graph%)
6�
6$�
6.
68
6B
6L� �initialise_para
6V4entered_parax_functions$(1) = para_functions$(1)
6`4entered_paray_functions$(1) = para_functions$(2)
6j4entered_parax_functions$(2) = para_functions$(3)
6t4entered_paray_functions$(2) = para_functions$(4)
6~4entered_parax_functions$(3) = para_functions$(5)
6�4entered_paray_functions$(3) = para_functions$(6)
6�� graph% = 1 � 3
6�A  parax_functions$(graph%) = entered_parax_functions$(graph%)
6�A  paray_functions$(graph%) = entered_paray_functions$(graph%)
6��
6��
6�� �calculate_para
6�� count%, count1%
6�
�glass(�)
6�count% = 0
6�� graph%= 1 � 3
6�(   � para_plot%(graph%) � count% +=1
7�
7
count1%= count%
7�extract_para_functions
7�convert_para_functions
7(�return_paraaxes_values
72�  auto_y_paraaxes% �
7<  count% =count%*2
7F  count1%=count1%*2
7P3 �ret_para_range(minx,maxx,miny,maxy,mint,maxt)
7Z�
7d increment = (maxt-mint)/1280
7n yfactor = 1024/(maxy - miny)
7x)y_shift% = 512 +yfactor*(miny+maxy)/2
7� xfactor = 1024/(maxx - minx)
7�'x_shift%=-640+xfactor*(minx+maxx)/2
7�� graph% = 1 � 3
7�� para_plot%(graph%) �
7�5ș"Hourglass_Percentage",100-(count1%/count%)*100
7� count1% -=1
7�X% = graph%*2-2
7�Y% = graph%*2-1
7�#xbase% = plot_values%+X%*1280*4
7�#ybase% = plot_values%+Y%*1280*4
7�� T% = 0 � 1280
7�  T= mint+increment*T%
7�	  t=T
8
  ok% = �
8	  � �
8  � � � ok% = �
8"
  � ok% �
8,?    ybase%!(T%*4) = yfactor*�para_functions$(Y%+1)-y_shift%
86  �
8@    ybase%!(T%*4) = big%
8J  �
8T	  � �
8^
  ok% = �
8h	  � �
8r  � � � ok% = �
8|
  � ok% �
8�@    xbase%!(T%*4)  = xfactor*�para_functions$(X%+1)-x_shift%
8�  �
8�    xbase%!(T%*4) = big%
8�  �
8�	  � �
8��
8��
8��
8�C�calc_para_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
8�
�glass(�)
8�.ș "Wimp_ForceRedraw",main%,0,-1280,1280,0
8��
8�� �return_paraaxes_values
9=entered_minx=��read_icon_text(paraaxes%,para_min_x_icon%)
9=entered_maxx=��read_icon_text(paraaxes%,para_max_x_icon%)
9=entered_miny=��read_icon_text(paraaxes%,para_min_y_icon%)
9&=entered_maxy=��read_icon_text(paraaxes%,para_max_y_icon%)
905mint=��read_icon_text(paraaxes%,para_min_t_icon%)
9:5maxt=��read_icon_text(paraaxes%,para_max_t_icon%)
9D%�adjust_axes(maxx,minx,maxy,miny)
9N�
9X 
9b
9l� �extract_para_functions
9v!block% = parametric%
9�block%!4 = para_funcx_icon%
9�"ș "Wimp_GetIconState",,block%
9�?entered_parax_functions$(current_para_func%) = $(block%!28)
9�block%!4 = para_funcy_icon%
9�"ș "Wimp_GetIconState",,block%
9�?entered_paray_functions$(current_para_func%) = $(block%!28)
9�� graph% = 1 � 3
9�A para_functions$(graph%*2) = entered_paray_functions$(graph%)
9�C para_functions$(graph%*2-1) = entered_parax_functions$(graph%)
9��
9��
9� 
9�
:� �convert_para_functions
:� gra% = 1 � 6
:"� para_plot%((gra% + 1) � 2) �
: :  para_functions$(gra%)= �upper(para_functions$(gra%))
:*I  �convert(para_functions$(gra%),"T",para_functions$(gra%),error_no%)
:4  � error_no% <> 0 �
:>*    �report_func_error(gra%,error_no%)
:H!    para_plot%((gra%+1)� 2)=�
:R(    �updateparametric(parametric%,9)
:\  �
:f% �ext_func(para_functions$(gra%))
:p�
:z�
:��
:�
:�
:�
:�
:�K��ret_para_range(RETURNminx,RETURNmaxx,RETURNminy,RETURNmaxy,mint,maxt)
:� increment = (maxt-mint)/1280
:�entered_maxy= -10E30
:�entered_miny=  10E30
:�entered_maxx= -10E30
:�entered_minx=  10E30
:�� graph% = 1 � 3
:�X% = graph%*2-1
;Y% = graph%*2
;� para_plot%(graph%) �
;7  ș"Hourglass_Percentage",100-(count1%/count%)*100
;$� T% = 0 � 1280
;.  T= mint+increment*T%
;8	  t=T
;B
  ok% = �
;L	  � �
;V  � � � ok% = �
;`
  � ok% �
;j$    value = �para_functions$(Y%)
;t3  � value < entered_miny � entered_miny = value
;~3  � value > entered_maxy � entered_maxy = value
;�  �
;�	  � �
;�
  ok% = �
;�	  � �
;�  � � � ok% = �
;�
  � ok% �
;�$    value = �para_functions$(X%)
;�3  � value < entered_minx � entered_minx = value
;�3  � value > entered_maxx � entered_maxx = value
;�  �
;�	  � �
;��
<  count1%-=1
<
�
<�
<	A%=@%
<(@%=&01000308
<2Mpara_min_y_icon%=�change_text(paraaxes%,para_min_y_icon%,�(entered_miny))
<<Mpara_max_y_icon%=�change_text(paraaxes%,para_max_y_icon%,�(entered_maxy))
<FMpara_min_x_icon%=�change_text(paraaxes%,para_min_x_icon%,�(entered_minx))
<PMpara_max_x_icon%=�change_text(paraaxes%,para_max_x_icon%,�(entered_maxx))
<Zminx = entered_minx
<dmaxx = entered_maxx
<nminy = entered_miny
<xmaxy = entered_maxy
<�2ș "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
<�	@%=A%
<�%�adjust_axes(maxx,minx,maxy,miny)
<��
<�
<�
<�E� �calc_para_axes(minx,maxx,miny,maxy,yfactor,y_shift%,increment)
<�	A%=@%
<�@%=&01000108
<�� 0 >= miny � 0 <= maxy  �
<�  x_axes_level= 0
<�*  x_axes_level% = 0 * yfactor-y_shift%
<�  �
='  x_axes_level= �(�((maxy+miny)))/2
=6  x_axes_level% = x_axes_level  * yfactor-y_shift%
=�
="� 0 >= minx � 0 <= maxx  �
=,.  y_axes_level% = 1280/(maxx-minx)*(-minx)
=6  y_axes_level=0
=@  �
=J'  y_axes_level= �(�((maxx+minx)))/2
=T:  y_axes_level% = 1280/(maxx-minx)*(y_axes_level-minx)
=^�
=h	@%=A%
=r�
=| 
=�
=�
=�%� �updatepolaraxes(window%,icon%)
=�$� icon% = polar_axes_yes_icon% �
=�*  auto_polar_axes%= � auto_polar_axes%
=� � auto_polar_axes% �
=�; polar_axes_yes_icon%=�change_text(window%,icon%,"YES")
=�* �deselect(window%,polar_radius_icon%)
=��
=�: polar_axes_yes_icon%=�change_text(window%,icon%,"NO")
=�* �reselect(window%,polar_radius_icon%)
=��
=��
>.ș "Wimp_ForceRedraw",window%,0,-300,800,0
>�
>
>&
>0
>: 
>D
>N� �calculate_polar
>X� count%, count1%
>bwindow% = polar%
>l
�glass(�)
>vcount% = 0
>�� graph%= 1 � 3
>�)   � polar_plot%(graph%) � count% +=1
>��
>�count1%= count%
>��extract_polar_functions
>��convert_polar_functions
>��return_polaraxes_values
>��  auto_polar_axes% �
>�  count% =count%*2
>�  count1%=count1%*2
>� �return_radius
>��
>�*increment = (max_theta-min_theta)/1280
?� radius = 0 � radius = 1
?yfactor = 512/radius
?y_shift% = 512
? x_shift% = 640
?*�  degrees% �
?4� graph% = 1 � 3
?>x% = graph% *2 -2
?Hy% = graph% *2 -1
?R(xbase% = plot_values% + x% *4 * 1280
?\(ybase% = plot_values% + y% *4 * 1280
?f� polar_plot%(graph%) �
?p5ș"Hourglass_Percentage",100-(count1%/count%)*100
?z count1% -=1
?�� angle% = 0 � 1280
?�#  T= min_theta+increment*angle%
?�	  t=T
?�
  ok% = �
?�	  � �
?�  � � � ok% = �
?�
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?�*    result = �polar_functions$(graph%)
?�  �
?�    result = big%
?�  �
?� � �
?�8  xbase%!(angle%*4) = yfactor*result*��(t)+ x_shift%
@8  ybase%!(angle%*4) = yfactor*result*��(t)- y_shift%
@�
@�
@$�
@.�
@8� graph% = 1 � 3
@Bx% = graph% *2 -2
@Ly% = graph% *2 -1
@V(xbase% = plot_values% + x% *4 * 1280
@`(ybase% = plot_values% + y% *4 * 1280
@j� polar_plot%(graph%) �
@t5ș"Hourglass_Percentage",100-(count1%/count%)*100
@~ count1% -=1
@�� angle% = 0 � 1280
@�#  T= min_theta+increment*angle%
@�	  t=T
@�
  ok% = �
@�	  � �
@�  � � � ok% = �
@�
  � ok% �
@�*    result = �polar_functions$(graph%)
@�  �
@�    result = big%
@�  �
@� � �
A8  xbase%!(angle%*4)  = yfactor*result*�(t)+ x_shift%
A
7  ybase%!(angle%*4) = yfactor*result*�(t)- y_shift%
A�
A�
A(�
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A<
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AF.ș "Wimp_ForceRedraw",main%,0,-1280,1280,0
AP�
AZ 
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An
Ax
A�� �return_polaraxes_values
A�<entered_min=��read_icon_text(polaraxes%,polar_min_icon%)
A�<entered_max=��read_icon_text(polaraxes%,polar_max_icon%)
A�?entered_rad=��read_icon_text(polaraxes%,polar_radius_icon%)
A�min_theta = entered_min
A�max_theta = entered_max
A�radius = entered_rad*1.2
A��
A�
A�!� �updatepolar(window%,icon%)
A��extract_polar_functions
A�) � polar_plot%(current_polar_func%) �
A�J polar_func_yes_icon%=�change_text(window%,polar_func_yes_icon%,"YES")
B�
BI polar_func_yes_icon%=�change_text(window%,polar_func_yes_icon%,"NO")
B�
B"$� icon% = polar_func_yes_icon% �
B,K  polar_plot%(current_polar_func%) = � polar_plot%(current_polar_func%)
B6) � polar_plot%(current_polar_func%) �
B@; polar_func_yes_icon%=�change_text(window%,icon%,"YES")
BJ�
BT: polar_func_yes_icon%=�change_text(window%,icon%,"NO")
B^�
Bh�
Br+� icon% = 4 � current_polar_func% > 1 �
B|    current_polar_func% -=1
B�`polar_func_count_icon% = �change_text(window%,polar_func_count_icon%,�(current_polar_func%))
B��
B�+� icon% = 5 � current_polar_func% < 3 �
B�    current_polar_func% +=1
B�`polar_func_count_icon% = �change_text(window%,polar_func_count_icon%,�(current_polar_func%))
B��
B�Apolar_func_icon%=�update_polar_function( current_polar_func%)
B�(� polar_plot%(current_polar_func%) �
B�J polar_func_yes_icon%=�change_text(window%,polar_func_yes_icon%,"Yes")
B��
B�I polar_func_yes_icon%=�change_text(window%,polar_func_yes_icon%,"No")
B��
B�7�set_graph_colour_icon(window%,current_polar_func%)
C!block% = window%
C.ș "Wimp_ForceRedraw",window%,0,-300,900,0
C�
C&
C0
C:$� �update_polar_function( item%)
CD!block% = window%
CNblock%!4 = polar_func_icon%
CX"ș "Wimp_GetIconState",,block%
Cb ș "Wimp_DeleteIcon",,block%
Cl*� below% = block% + 4 � block% +35 � 4
Cv  !below% = below%!4
C��
C�text% = block% + 24
C�validation% = block% + 28
C� buffer_length% = block% + 32
C�%!text% = current_polar_func_text%
C�!validation% = -1
C�!buffer_length% = 100
C�?$current_polar_func_text% = entered_polar_functions$(item%)
C�(ș "Wimp_CreateIcon",,block% � icon%
C�
=icon%
C�
C�
C�� �extract_polar_functions
D!block% = window%
Dblock%!4 = polar_func_icon%
D"ș "Wimp_GetIconState",,block%
D @entered_polar_functions$(current_polar_func%) = $(block%!28)
D*� graph% = 1 � 3
D4@ polar_functions$(graph%) = entered_polar_functions$(graph%)
D>�
DH�
DR
D\
Df
Dp
Dz� �convert_polar_functions
D�� gra% = 1 � 3
D�� polar_plot%(gra%) �
D�:polar_functions$(gra%)= �upper(polar_functions$(gra%))
D�I�convert(polar_functions$(gra%),"T",polar_functions$(gra%),error_no%)
D�� error_no% <> 0 �
D�(  �report_func_error(gra%,error_no%)
D�  polar_plot%(gra%)=�
D��updatepolar(polar%,9)
D��
D�%�ext_func(polar_functions$(gra%))
D��
D��
D��
E
E
E� �check_polar_axes
E$� � auto_polar_axes% �
E.�return_polaraxes_values
E8� min_theta >= max_theta �
EB Ȕ min_theta, max_theta
EL4 � min_theta = max_theta � max_theta=max_theta+1
EVN �error_message("Min angle must be less than Max angle. Values adjusted.")
E`K polar_min_icon% =�change_text(polaraxes%,polar_min_icon%,�(min_theta))
EjK polar_max_icon% =�change_text(polaraxes%,polar_max_icon%,�(max_theta))
Et4 ș "Wimp_ForceRedraw",polaraxes%,0,-1280,1280,0
E~�
E��
E��
E�
E�
E�� �check_para_axes
E�� � auto_y_paraaxes% �
E��return_paraaxes_values
E�$� entered_maxx <= entered_minx �
E�"  Ȕ entered_minx,entered_maxx
E�?  � entered_minx=entered_maxx � entered_maxx=entered_maxx+1
E�Mpara_max_x_icon%=�change_text(paraaxes%,para_max_x_icon%,�(entered_maxx))
E�Mpara_min_x_icon%=�change_text(paraaxes%,para_min_x_icon%,�(entered_minx))
F4  ș "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
F
F  �error_message("X min must be less than X max. Values adjusted")
F�
F$� entered_maxy <= entered_miny �
F("  Ȕ entered_miny,entered_maxy
F2?  � entered_miny=entered_maxy � entered_maxy=entered_maxy+1
F<Mpara_max_y_icon%=�change_text(paraaxes%,para_max_y_icon%,�(entered_maxy))
FFMpara_min_y_icon%=�change_text(paraaxes%,para_min_y_icon%,�(entered_miny))
FP4  ș "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
FZF  �error_message("Y min must be less than Y max. Values adjusted")
Fd�
Fn� maxt <= mint �
Fx  Ȕ mint,maxt
F�  � mint=maxt � maxt=maxt+1
F�H  para_max_t_icon% =�change_text(paraaxes%,para_max_t_icon%,�(maxt))
F�H  para_min_t_icon% =�change_text(paraaxes%,para_min_t_icon%,�(mint))
F�4  ș "Wimp_ForceRedraw",paraaxes%,0,-1280,1280,0
F�F  �error_message("t min must be less than t max. Values adjusted")
F��
F��
F��
F�
F�� �return_radius
F�max_radius=0
F�*increment = (max_theta-min_theta)/1280
F�� graph% = 1 � 3
G� polar_plot%(graph%) �
G7  ș"Hourglass_Percentage",100-(count1%/count%)*100
G� angle% = 0 � 1280
G"#  T= min_theta+increment*angle%
G,	  t=T
G6
  ok% = �
G@	  � �
GJ  � � � ok% = �
GT
  � ok% �
G^*    result = �polar_functions$(graph%)
Gh  �
Gr    result =0
G|  �
G�	  � �
G�   � �(result) > max_radius �
G�    max_radius = �(result)
G�  �
G��
G�  count1%-=1
G��
G��
G�radius=max_radius*1.2
G�	A%=@%
G�@%=&01000308
G�entered_rad = max_radius
G�Rpolar_radius_icon% =�change_text(polaraxes%,polar_radius_icon%,�(entered_rad))
H3ș "Wimp_ForceRedraw",polaraxes%,0,-1280,1280,0
H	@%=A%
H�
H&
H0
H:� �draw_polar_axes
HD� show_axes% �
HNș"Wimp_SetColour",1
HXȏ  640*sf,-512*sf,106*sf
Hbȏ 640*sf,-512*sf,213*sf
Hlȏ  640*sf,-512*sf,320*sf
Hvȏ  640*sf,-512*sf,427*sf
H�� 1067*sf,-512*sf
H�� 220*sf,-512*sf
H�� 640*sf,-85*sf
H�� 640*sf,-939*sf
H�� 942*sf,-210*sf
H�� 338*sf,-814*sf
H�� 338*sf,-210*sf
H�� 942*sf,-814*sf
H�� 1070*sf,-512*sf
H�	A%=@%
H�@%=&01000308
H�� �(entered_rad)
H�	@%=A%
I�
I�
I
I 
I*� �assemble
I4� pass% = 0 � 2 � 2
I>
P%= code%
IH[ OPT pass%
IRMOV R12, R1
I\MOV R9, #0
If5MOV R11, R0 ;            put table start into r11
Ip	.LOOP
IzMOV R4, #1280
I�MOV R0, #69
I�,LDR R1, [R6] ;           get the x value
I�/CMP R1 , #0 ;            is it out of range
I�BMI noplot
I�/CMP R1, R4;              is it out of range
I�BPL noplot
I�;ADD R1, R11, R1, LSL #2; add table start to x value * 4
I�1LDR R1,[R1]          ;   get value from table
I�LDR R8,graph_box%
I�CMP R1, R8
I�BMI noplot
I�LDR R8,graph_box%+4
I�(CMP R1,R8;               range check
JBPL noplot
JLDR R2, [R7]
J-RSB R2, R2, #0;          make r2 positive
J$/CMP R2, #0 ;             is it out of range
J.BMI noplot
J8/CMP R2, R4 ;             is it out of range
JBBPL noplot
JL;ADD R2,R11,R2, LSL#2 ;   add table start to y value * 4
JV1LDR R2,[R2]          ;   get value from table
J`-RSB R2, R2, #0;          make r2 negative
JjLDR R8, graph_box%+8
Jt
CMP R2,R8
J~BPL noplot
J�LDR R8, graph_box%+12
J�CMP R2, R8
J�BMI noplot
J�CCMP R1, R9;             is this point the same as the previous?
J�BNE doplot
J�CMP R2,R10
J�5BEQ noplot;             yes so dont plot it again
J�.doplot
J�SWI "OS_Plot"
J�5MOV R9,R1     ;          store last plotted point
J�MOV R10,R2
J�.noplot
KADD R6, R6, #4
K
ADD R7, R7, #4
KSUB R5, R5, #4
KCMP R5, #0
K(BGT LOOP
K2MOV R15,R14
K<
KF.cart_code%
KPMOV R9, #0
KZMOV R12, R1
Kd5MOV R11, R0 ;            put table start into r11
Kn)MOV R10, #0 ;            x coordinate
Kx.cart_LOOP
K�MOV R4, #1280
K�MOV R0, #69
K�AADD R1,R11,R10, LSL#2 ;        add table start to x value * 4
K�LDR R1,[R1]
K�LDR R8,graph_box%
K�(CMP R1, R8;           cf x with left
K�BMI cart_noplot
K�LDR R8,graph_box%+4
K�)CMP R1,R8 ;           cf x with right
K�BPL cart_noplot
K�.LDR R2, [R7] ;        r7 points to y value
K�*RSB R2, R2, #0;       make r2 positive
K�+CMP R2, #0 ;         is it out of range
LBMI cart_noplot
L(CMP R2, R4 ;      is it out of range
LBPL cart_noplot
L"8ADD R2,R11,R2, LSL#2 ;add table start to y value * 4
L,.LDR R2,[R2]          ;get value from table
L6.RSB R2, R2, #0;           make r2 negative
L@LDR R8, graph_box%+8
LJ
CMP R2,R8
LTBPL cart_noplot
L^LDR R8, graph_box%+12
LhCMP R2, R8
LrBMI cart_noplot
L|SWI "OS_Plot"
L�.cart_noplot
L�ADD R10, R10, R12
L�ADD R7, R7, R12, ASL #2
L�SUB R5, R5, R12, ASL #2
L�CMP R5, #0
L�BGT cart_LOOP
L�MOV R15,R14
L� 
L�!.scale ; R1 is B% the counter
L�#       ; R2 is pointer to table
L�!       ; R3 is the multiplier
L�       ; R0 is the result
L�!MUL R0,R1,R3       ; multiply
M'MOV R0,R0, ASR #10 ; divide by 1024
MSTR R0,[R2]
MADD R1,R1,#1
M&ADD R2,R2,#4
M0CMP R1, #1280
M:
BMI scale
MDMOV R15,R14
MN]
MX�
Mb�
Ml
Mv<� �x_plot(left%, right%, top%, bottom%, plot_parameter%)
M�graph_box%!0     =left%
M�graph_box%!4     =right%
M�graph_box%!8     =top%
M�graph_box%!12    =bottom%
M�� graph% = 1 � 3
M�� polar_plot%(graph%) �
M�#    ș"Wimp_SetColour",9+graph%
M�    y% =graph%*2-1
M�    x% =graph%*2-2
M�?    F% = 5120  :� register 5  counts down from 5120 to zero
M�M    G% = plot_values% + 1280*x%*4   : � register 6  data array for x axis
M�M    H% = plot_values% + 1280*y%*4   : � register 7  data array for y axis
M�    B% = pix_value%
N1    A% = table%  : � R0 gets address of table
N    � code%
N�
N �
N*�
N4
N>=� �x_plot1(left%, right%, top%, bottom%, plot_parameter%)
NHgraph_box%!0     =left%
NRgraph_box%!4     =right%
N\graph_box%!8     =top%
Nfgraph_box%!12    =bottom%
Np� graph% = 1 � 3
Nz� para_plot%(graph%) �
N�#    ș"Wimp_SetColour",9+graph%
N�    y% =graph%*2-1
N�    x% =graph%*2-2
N�?    F% = 5120  :� register 5  counts down from 5120 to zero
N�M    G% = plot_values% + 1280*x%*4   : � register 6  data array for x axis
N�M    H% = plot_values% + 1280*y%*4   : � register 7  data array for y axis
N�1    A% = table%  : � R0 gets address of table
N�    B% = pix_value%
N�    � code%
N��
N��
N��
N�
O
O=� �x_plot2(left%, right%, top%, bottom%, plot_parameter%)
Ograph_box%!0     =left%
O$graph_box%!4     =right%
O.graph_box%!8     =top%
O8graph_box%!12    =bottom%
OB� graph% = 1 � 6
OL� cart_plot%(graph%) �
OV#    ș"Wimp_SetColour",9+graph%
O`    y% =graph%-1
Oj@    F% = 5120  :� register 5  counts down from right to left
Ot:    G% = left%   : � register 6  data array for x axis
O~L    H% = plot_values% + 1280*y%*4  : � register 7  data array for y axis
O�1    A% = table%  : � R0 gets address of table
O�    B% = pix_value%
O�    � cart_code%
O��
O��
O��
O�
O�� �help
O�+� t$,window%, icon%, terms$, ap$, warn$
O�)ș "Wimp_GetPointerInfo",,help_block%
O�window% = help_block%!12
O�icon%   = help_block%!16
P<warn$ = "|MIt can be entered in normal algebraic format"
P
Awarn$ = warn$+"|MIf you are unsure of evaluation order then "
P2warn$ = warn$+"use brackets|MUse ^ for powers"
PȎ window% �
P(C� main% : t$="This is the graph window.|MSelect to recalculate"
P2B            � cart_plot% t$=t$+"|MAdjust to select a zoom box"
P<� cartesian%
PF     Ȏ icon% �
PP-     � 4 : t$="Select for previous graph"
PZ)     � 5 : t$="Select for next graph"
Pd     � cart_func_yes_icon%
PnJ          t$="Select to change.|MIndicates if gragh is plotted or not"
PxB     � cart_func_icon% : t$="The function to be plotted"+warn$
P�@     � 9 :t$="This shows the colour of the current function"
P�
     �
P�� cartaxes%
P�(     ap$ = "|Mf1 for default values"
P�     Ȏ icon% �
P�     � cart_max_x_icon%
P�:       t$= "The maximum X value.|MSelect to alter"+ap$
P�     � cart_min_x_icon%
P�:       t$= "The minimum X value.|MSelect to alter"+ap$
P�
P�     � cart_max_y_icon%
P�:       t$= "The maximum Y value.|MSelect to alter"+ap$
P�     � cart_min_y_icon%
Q:       t$= "The minimum Y value.|MSelect to alter"+ap$
Q     � auto_y_cartaxes%
Q8       t$= "Manual or Auto Y axes.|MSelect to alter"
Q"
     �
Q,� info%
Q6C     t$="This displays information about the Graph application"
Q@� save1%
QJG     t$="This window allows graph function|Mand axes to be saved  "
QT     Ȏ icon% �
Q^4     � 2 : t$=t$+"|MFile name to save functions"
Qh<     � 0 : t$=t$+"|MSelect to save using given filename"
QrK     � 3 : t$=t$+"|MSelect, hold and drag to a directory viwer to save"
Q|
     �
Q�� save%
Q�M     t$="This window allows graph display|Mto be saved as a Draw file.  "
Q�     Ȏ icon% �
Q�=     � 2 : t$=t$+"|MFile name to save graph as Draw file"
Q�<     � 0 : t$=t$+"|MSelect to save using given filename"
Q�K     � 3 : t$=t$+"|MSelect, hold and drag to a directory viwer to save"
Q�
     �
Q�� parametric%
Q�     Ȏ icon% �
Q�      terms$="|in terms of t"
Q�-     � 4 : t$="Select for previous graph"
Q�)     � 5 : t$="Select for next graph"
Q�     � para_func_yes_icon%
RJ          t$="Select to change.|MIndicates if gragh is plotted or not"
RM     � para_funcx_icon%:t$="The X componant of the function"+terms$+warn$
RM     � para_funcy_icon%:t$="The Y componant of the function"+terms$+warn$
R&@     � 9 :t$="This shows the colour of the current function"
R0
     �
R:� paraaxes%
RD     Ȏ icon% �
RN     � para_max_x_icon%
RX6       t$= "The maximum X value.|MSelect to alter"
Rb     � para_min_x_icon%
Rl6       t$= "The minimum X value.|MSelect to alter"
Rv     � para_min_t_icon%
R�6       t$= "The minimum T value.|MSelect to alter"
R�     � para_max_t_icon%
R�6       t$= "The maximum T value.|MSelect to alter"
R�     � para_max_y_icon%
R�6       t$= "The maximum Y value.|MSelect to alter"
R�     � para_min_y_icon%
R�6       t$= "The minimum Y value.|MSelect to alter"
R�     � auto_y_cartaxes%
R�8       t$= "Manual or Auto Y axes.|MSelect to alter"
R�
     �
R�
R�� polar%
R�     Ȏ icon% �
S-     � 4 : t$="Select for previous graph"
S)     � 5 : t$="Select for next graph"
S     � polar_func_yes_icon%
S J          t$="Select to change.|MIndicates if gragh is plotted or not"
S*L     � polar_func_icon% : t$="The function to be plotted|Min terms of t"
S4,                             t$=t$+warn$
S>@     � 9 :t$="This shows the colour of the current function"
SH
     �
SR� polaraxes%
S\     Ȏ icon% �
Sf     � polar_max_icon%
Sp:       t$= "The maximum angle value.|MSelect to alter"
Sz     � polar_min_icon%
S�6       t$= "The minimum X value.|MSelect to alter"
S�     � auto_polar_axes%
S�D       t$= "Manual or Auto Radius calculation.|MSelect to alter"
S�     � polar_radius_icon%
S�E       t$= "The maximum radius to be displayed.|MSelect to alter"
S�
     �
S�
S��
S�� t$<>"" �
S�  block%!12=block%!8
S�  block%!16=&503
S�  $(block%+20)=t$+�0
S�  !block% = (25+�t$)� � 3
T-  ș"Wimp_SendMessage",17,block%,block%!4
T�
T�
T$
T.� �save_to_disc(name$)
T8� format$ ="data" �
TBfile% =�(name$)
TL� graph% = 1 � 6
TV � #file%, cart_plot%(graph%)
T`%� #file%, cart_functions$(graph%)
Tj-� #file%, entered_cart_functions$(graph%)
Tt.� #file%, entered_parax_functions$(graph%)
T~.� #file%, entered_paray_functions$(graph%)
T�%� #file%, para_functions$(graph%)
T� � #file%, para_plot%(graph%)
T��
T�
T�� graph% = 1 � 3
T�!� #file%, polar_plot%(graph%)
T�&� #file%, polar_functions$(graph%)
T�.� #file%, entered_polar_functions$(graph%)
T�&� #file%, parax_functions$(graph%)
T�&� #file%, paray_functions$(graph%)
T��
T�
U� #file%,cart_plot%
U
� #file%,polar_plot%
U� #file%,para_plot%
U� #file%,main_menu_open
U(� #file%,quit_menu_open
U2� #file%,finished%
U<� #file%,auto_y_cartaxes%
UF� #file%,show_axes%
UP� #file%,old_main_x_origin$
UZ� #file%,old_main_y_origin$
Ud� #file%,main_x_origin%
Un� #file%,main_y_origin%
Ux� #file%,entered_maxx
U�� #file%,entered_minx
U�� #file%,entered_maxy
U�� #file%,entered_miny
U�� #file%,auto_y_paraaxes%
U� � #file%,maxx,minx,maxy,miny
U�� #file%,increment
U�� #file%,yfactor
U�� #file%,y_shift%
U�� #file%,degrees%
U�� #file%,zooming%
U�� #file%,auto_polar_axes%
U�
U�;� #file%,�read_icon_text(cartaxes%,cart_axes_yes_icon%)
V8� #file%,�read_icon_text(cartaxes%,cart_min_x_icon%)
V8� #file%,�read_icon_text(cartaxes%,cart_max_x_icon%)
V8� #file%,�read_icon_text(cartaxes%,cart_min_y_icon%)
V"8� #file%,�read_icon_text(cartaxes%,cart_max_y_icon%)
V,
V6
V@;� #file%,�read_icon_text(paraaxes%,para_axes_yes_icon%)
VJ9� #file%,�read_icon_text(paraaxes%,para_min_x_icon% )
VT9� #file%,�read_icon_text(paraaxes%,para_max_x_icon% )
V^9� #file%,�read_icon_text(paraaxes%,para_min_y_icon% )
Vh9� #file%,�read_icon_text(paraaxes%,para_max_y_icon% )
Vr9� #file%,�read_icon_text(paraaxes%,para_min_t_icon% )
V|9� #file%,�read_icon_text(paraaxes%,para_max_t_icon% )
V�
V�
V�;� #file%,�read_icon_text(polaraxes%,polar_radius_icon%)
V�9� #file%,�read_icon_text(polaraxes%,polar_min_icon% )
V�8� #file%,�read_icon_text(polaraxes%,polar_max_icon%)
V�=� #file%,�read_icon_text(polaraxes%,polar_axes_yes_icon%)
V� 
V�� #file%
V�ș"Wimp_CreateMenu",,-1
V��("settype "+name$+" 777")
V��
V�  �draw(name$)
V��
W�
W
W
W&!� �load_from_disc(file_name$)
W0file% = �(file_name$)
W:� graph% = 1 � 6
WD � #file%, cart_plot%(graph%)
WN%� #file%, cart_functions$(graph%)
WX-� #file%, entered_cart_functions$(graph%)
Wb.� #file%, entered_parax_functions$(graph%)
Wl.� #file%, entered_paray_functions$(graph%)
Wv%� #file%, para_functions$(graph%)
W� � #file%, para_plot%(graph%)
W��
W�
W�� graph% = 1 � 3
W�!� #file%, polar_plot%(graph%)
W�&� #file%, polar_functions$(graph%)
W�.� #file%, entered_polar_functions$(graph%)
W�&� #file%, parax_functions$(graph%)
W�&� #file%, paray_functions$(graph%)
W��
W�� #file%,cart_plot%
W�� #file%,polar_plot%
W�� #file%,para_plot%
X� #file%,main_menu_open
X� #file%,quit_menu_open
X� #file%,finished%
X � #file%,auto_y_cartaxes%
X*� #file%,show_axes%
X4� #file%,old_main_x_origin$
X>� #file%,old_main_y_origin$
XH� #file%,main_x_origin%
XR� #file%,main_y_origin%
X\� #file%,entered_maxx
Xf� #file%,entered_minx
Xp� #file%,entered_maxy
Xz� #file%,entered_miny
X�� #file%,auto_y_paraaxes%
X� � #file%,maxx,minx,maxy,miny
X�� #file%,increment
X�� #file%,yfactor
X�� #file%,y_shift%
X�� #file%,degrees%
X�� #file%,zooming%
X�� #file%,auto_polar_axes%
X�� #file%, text$
X�Icart_axes_yes_icon%=�change_text(cartaxes%,cart_axes_yes_icon%,text$)
X�� #file%, text$
X�Ccart_min_x_icon%=�change_text(cartaxes%,cart_min_x_icon%,text$)
X�� #file%, text$
YBcart_max_x_icon=�change_text(cartaxes%,cart_max_x_icon%,text$)
Y� #file%, text$
YCcart_min_y_icon%=�change_text(cartaxes%,cart_min_y_icon%,text$)
Y$� #file%, text$
Y.Ccart_max_y_icon%=�change_text(cartaxes%,cart_max_y_icon%,text$)
Y8
YB� #file%, text$
YLIpara_axes_yes_icon%=�change_text(paraaxes%,para_axes_yes_icon%,text$)
YV� #file%, text$
Y`Dpara_min_x_icon%=�change_text(paraaxes%,para_min_x_icon%,text$ )
Yj� #file%, text$
YtDpara_max_x_icon%=�change_text(paraaxes%,para_max_x_icon%,text$ )
Y~� #file%, text$
Y�Dpara_min_y_icon%=�change_text(paraaxes%,para_min_y_icon%,text$ )
Y�� #file%, text$
Y�Dpara_max_y_icon%=�change_text(paraaxes%,para_max_y_icon%,text$ )
Y�� #file%, text$
Y�mint = �(text$)
Y�Dpara_min_t_icon%=�change_text(paraaxes%,para_min_t_icon%,text$ )
Y�maxt = �(text$)
Y�� #file%, text$
Y�Dpara_max_t_icon%=�change_text(paraaxes%,para_max_t_icon%,text$ )
Y�� #file%, text$
Y�Hpolar_radius_icon%=�change_text(polaraxes%,polar_radius_icon%,text$)
Y�� #file%, text$
ZCpolar_min_icon%=�change_text(polaraxes%,polar_min_icon%,text$ )
Z
� #file%, text$
ZBpolar_max_icon%=�change_text(polaraxes%,polar_max_icon%,text$)
Z� #file%, text$
Z(Lpolar_axes_yes_icon%=�change_text(polaraxes%,polar_axes_yes_icon%,text$)
Z2� #file%
Z<�install
ZF�
ZP
ZZ
Zd
Zn
Zx� �install
Z�window%= cartesian%
Z�.cart_func_icon%= �update_cart_function( 1)
Z�� cart_plot%(1) �
Z�Jcart_func_yes_icon%=�change_text(cartesian%,cart_func_yes_icon%,"Yes")
Z��
Z�Icart_func_yes_icon%=�change_text(cartesian%,cart_func_yes_icon%,"No")
Z��
Z�window% = parametric%
Z�0para_funcx_icon%= �update_parax_function( 1)
Z�0para_funcy_icon%= �update_paray_function( 1)
Z�� para_plot%(1) �
Z�Kpara_func_yes_icon%=�change_text(parametric%,para_func_yes_icon%,"Yes")
Z��
[Jpara_func_yes_icon%=�change_text(parametric%,para_func_yes_icon%,"NO")
[�
[window% = polar%
["0polar_func_icon%= �update_polar_function( 1)
[,� polar_plot%(1) �
[6Hpolar_func_yes_icon%=�change_text(polar%,polar_func_yes_icon%,"Yes")
[@�
[JGpolar_func_yes_icon%=�change_text(polar%,polar_func_yes_icon%,"NO")
[T�
[^current_cart_func% =1
[hcurrent_para_func% =1
[rcurrent_polar_func%   = 1
[|� degrees% �
[�  �tick(main_menu%,8)
[��
[�  �no_tick(main_menu%,8)
[��
[�� show_coordinates% �
[�  �tick(main_menu%,2)
[��
[�  �no_tick(main_menu%,2)
[��
[�� show_axes% �
[�  �tick(main_menu%,9)
[��
[�  �no_tick(main_menu%,9)
\�
\
\ � auto_y_cartaxes% �
\&* �deselect(cartaxes%,cart_min_y_icon%)
\0* �deselect(cartaxes%,cart_max_y_icon%)
\:�
\D* �reselect(cartaxes%,cart_min_y_icon%)
\N* �reselect(cartaxes%,cart_max_y_icon%)
\X�
\b
\l � auto_y_paraaxes% �
\v* �deselect(paraaxes%,para_min_y_icon%)
\�* �deselect(paraaxes%,para_max_y_icon%)
\�* �deselect(paraaxes%,para_min_x_icon%)
\�* �deselect(paraaxes%,para_max_x_icon%)
\��
\�* �reselect(paraaxes%,para_min_y_icon%)
\�* �reselect(paraaxes%,para_max_y_icon%)
\�* �reselect(paraaxes%,para_min_x_icon%)
\�* �reselect(paraaxes%,para_max_x_icon%)
\��
\�
\� � auto_polar_axes% �
\�- �deselect(polaraxes%,polar_radius_icon%)
\��
]- �reselect(polaraxes%,polar_radius_icon%)
]�
]
] 
]*$� cart_plot% � �select_cartesian
]4!� polar_plot% � �select_polar
]>� para_plot% �
]H  window%=parametric%
]R  �extract_para_func
]\  �select_parametric
]f�
]p
]z� set colour of icon
]�(�set_graph_colour_icon(cartesian%,1)
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]�$�set_graph_colour_icon(polar%,1)
]�
]�� set function number
]�Lcart_func_count_icon%=�change_text(cartesian%,cart_func_count_icon%,"1")
]�Mpara_func_count_icon%=�change_text(parametric%,para_func_count_icon%,"1")
]�Jpolar_func_count_icon%=�change_text(polar%,polar_func_count_icon%,"1")
]�
]�� set function
]�window%=cartesian%
]�-cart_func_icon% =�update_cart_function(1)
]�window%=polar%
^0polar_func_icon%= �update_polar_function( 1)
^window%=parametric%
^0para_funcx_icon%= �update_parax_function( 1)
^$0para_funcy_icon%= �update_paray_function( 1)
^.
^8
^B� update window
^L&�  cart_plot% � wind%  =cartesian%
^V'� para_plot% � wind%   =parametric%
^`"� polar_plot% �  wind% =polar%
^j,ș "Wimp_ForceRedraw",wind%,0,-300,900,0
^twindow%=parametric%
^~�open_window(main%)
^�!� polar_plot% � �select_polar
^��
^�
^�� �get_environment
^�ș "OS_GetEnv" � c$
^�p = �c$,"""",�c$,"""")+1)
^�c$=�c$,p+1)
^�ȕ �c$,1)=" "
^�  c$=�c$,2)
^��
^�"� c$<>"" � �load_from_disc(c$)
^�� c$<>"" � $fi% = c$
_�
_

_
_� �file_data
_(  save_open% = �
_2  �open_window(save%)
_<�
_F
_P
_Z� �load(name$)
_d�
_n
_x� �create_menu
_�� menu_block% 300
_�� menu1_block% 100
_�$menu_block% ="Graph Menu"
_�?(menu_block%+12) = 7
_�?(menu_block%+13) = 2
_�?(menu_block%+14) = 7
_�?(menu_block%+15) = 0
_�!(menu_block%+16) = 196
_�!(menu_block%+20) = 44
_�!(menu_block%+24) = 0
_�!(menu_block%+4+(24+0)) =0
_�%!(menu_block%+4+(24*1+4)) =save1%
_�(!(menu_block%+4+(24*1+8)) = &7000021
`+$(menu_block%+4+(24*1+12)) ="Save Data"
` !(menu_block%+4+(24*2+0)) =0
`%!(menu_block%+4+(24*2+4)) = save%
`"'!(menu_block%+4+(24*2+8)) =&7000021
`,-$(menu_block%+4+(24*2+12)) ="Save Graphs"
`6 !(menu_block%+4+(24*3+0)) =0
`@!!(menu_block%+4+(24*3+4)) =-1
`J(!(menu_block%+4+(24*3+8)) = &7000021
`T-$(menu_block%+4+(24*3+12)) ="Coordinates"
`^ !(menu_block%+4+(24*4+0)) =0
`h!!(menu_block%+4+(24*4+4)) =-1
`r'!(menu_block%+4+(24*4+8)) =&7000021
`|&$(menu_block%+4+(24*4+12)) ="Axes"
`� !(menu_block%+4+(24*5+0)) =2
`�!!(menu_block%+4+(24*5+4)) =-1
`�'!(menu_block%+4+(24*5+8)) =&7000021
`�+$(menu_block%+4+(24*5+12)) ="Functions"
`� !(menu_block%+4+(24*6+0)) =0
`�"!(menu_block%+4+(24*6+4)) = -1
`�'!(menu_block%+4+(24*6+8)) =&7000021
`�+$(menu_block%+4+(24*6+12)) ="Cartesian"
`� !(menu_block%+4+(24*7+0)) =0
`�"!(menu_block%+4+(24*7+4)) = -1
`�'!(menu_block%+4+(24*7+8)) =&7000021
`�'$(menu_block%+4+(24*7+12)) ="Polar"
`� !(menu_block%+4+(24*8+0)) =2
a"!(menu_block%+4+(24*8+4)) = -1
a'!(menu_block%+4+(24*8+8)) =&7000021
a,$(menu_block%+4+(24*8+12)) ="Parametric"
a& !(menu_block%+4+(24*9+0)) =0
a0"!(menu_block%+4+(24*9+4)) = -1
a:'!(menu_block%+4+(24*9+8)) =&7000021
aD)$(menu_block%+4+(24*9+12)) ="Degrees"
aN$!(menu_block%+4+(24*10+0)) = &81
aX#!(menu_block%+4+(24*10+4)) = -1
ab(!(menu_block%+4+(24*10+8)) =&7000021
al,$(menu_block%+4+(24*10+12)) ="Show Axes"
avmain_menu% = menu_block%
a�$menu1_block% ="Quit Menu"
a�?(menu1_block%+12) = 7
a�?(menu1_block%+13) = 2
a�?(menu1_block%+14) = 7
a�?(menu1_block%+15) = 0
a�!(menu1_block%+16) = 196
a�!(menu1_block%+20) = 44
a�!(menu1_block%+24) = 0
a�!(menu1_block%+4+(24+0)) =0
a�#!(menu1_block%+4+(24*1+4)) = -1
a�)!(menu1_block%+4+(24*1+8)) = &7000021
a�'$(menu1_block%+4+(24*1+12)) ="Quit"
a�#!(menu1_block%+4+(24*2+0)) =&80
b&!(menu1_block%+4+(24*2+4)) = info%
b(!(menu1_block%+4+(24*2+8)) =&7000021
b'$(menu1_block%+4+(24*2+12)) ="Info"
b quit_menu%=menu1_block%
b*�
b4
b>� �draw_click(window%)
bH!block% = window%
bR#ș"Wimp_GetWindowState",,block%
b\wex = block%!4-block%!20
bfwey = block%!16 - block%!24
bpblock%!4 = picture%
bz!ș"Wimp_GetIconState",,block%
b�!block%= window%
b�block%!4 = 5
b�block%!8 = block%!8+wex
b�block%!12 = block%!12+wey
b�block%!16 = block%!16+wex
b�block%!20 = block%!20+wey
b�block%!24 = 0
b�block%!28 = 0
b�block%!32 = &7FFFFFFF
b�block%!36 = &7FFFFFFF
b�ș"Wimp_DragBox",,block%
b��
b�
c"� �read_filename_text(window%)
c� format$ = "data" �
c  !help_block% = save1%
c$�
c.  !help_block% = save%
c8�
cB&help_block%!4 = 2 :� the text icon
cL'ș "Wimp_GetIconState",,help_block%
cV� format$ = "data" �
c`  fi%=help_block%!28
cj�
ct  gi%=help_block%!28
c~�
c� = $(help_block%+ 28)
c�
c�� �leaf(path$)
c�ȕ �path$,".")
c�path$=�path$,�path$,".")+1)
c��
c�
=path$
c�
c�
c�� �save
c�#ș"Wimp_GetPointerInfo",,block%
c�block%!20 = 64
dblock%!32 = 0
d
block%!36 = 1
dblock%!40 = block%!12
dblock%!44 = block%!16
d(block%!48 = !block%
d2block%!52 = block%!4
d<� format$="data" �
dF   $(block%+64) = �leaf($fi%)
dP  block%!56 = 568
dZ  block%!60 = &777
dd�
dn   $(block%+64) = �leaf($gi%)
dx  block%!56 = &4000
d�  block%!60 = &AFF
d��
d�	� Hmm
d�9ș"Wimp_SendMessage",17,block%+20,block%!12,block%!16
d��
d�
d�� �datasave(b%)
d�#�save_to_disc(�get_name(b%+44))
d�� format$="data" �
d� $fi%= �get_name(b%+44)
d��
d� $gi%= �get_name(b%+44)
d��
e
eb%!12 = b%!8
e
b%!16 = 3
e"!b% = 64
e,*ș"Wimp_SendMessage",17,b%,b%!20,b%!24
e6saveref%=b%!8
e@�
eJ
eT
e^ 
eh� �get_name(P%)
er	A$=""
e|ȕ ?P%<>0 � ?P%<> 13
e� A$ = A$+�?P%:P%+=1
e��
e�=A$
e�
e�� �quicksave
e�� format$="data" �
e�  file$=$fi%
e��
e�  file$=$gi%
e��
e�� �file$,".") �
e��save_to_disc(file$)
e��
fC �error_message("To Save, draw the icon to a directory viewer")
f�
f�
f&
f0� �dataload(b%)
f:� b%!40 = &777 �
fD  �ackload(b%)
fN'  �load_from_disc(�get_name(b%+44))
fX  $fi% = �get_name(b%+44)
fb�
fl�
fv 
f�� �ackload(b%)
f�
b%=block%
f�b%!12=b%!8
f�b%!16=4
f�
!b%=64
f�#ș"Wimp_SendMessage",17,b%,b%!4
f��
f�
f�
f�
f�
f�
f�
g
g
g��push(P%)
g 1�stack%>=maxstack%:�99,"MathGraph stack full"
g*stack%(stack%)=P%
g4
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g>�
gH
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g\
gf��pull(� P%)
gp*�stack%<=0:�99,"MathGraph stack empty"
gz
stack%-=1
g�P%=stack%(stack%)
g��
g�
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g�
g���startobj(T%)
g��P%
g�P%=draw_p%
g�
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g�
!P%=T%
g�
P%!4=0
g�
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g�P%!12=0
hP%!16=0
hP%!20=0
hdraw_p%+=24
h$�
h.
h8
hB
hL��endobj
hV�P%
h`
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hjP%!4=draw_p%-P%
ht+�P%!8<draw_array%!24draw_array%!24=P%!8
h~-�P%!12<draw_array%!28draw_array%!28=P%!12
h�-�P%!16>draw_array%!32draw_array%!32=P%!16
h�-�P%!20>draw_array%!36draw_array%!36=P%!20
h��
h�
h�
h�
h���startdraw
h�$draw_array%="Draw"
h�draw_array%!4=201
h�draw_array%!8=0
h� $(draw_array%+12)="!Graph  "
h�draw_array%!24=0
idraw_array%!28=0
i
draw_array%!32=230400
idraw_array%!36=184320
idstt%=draw_array%
i(draw_p%=draw_array%+40
i2stack%=0
i<�
iF
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iZ/�stack%<>0 �99,"The drawing has gone wrong"
iddend%=draw_p%-4
in�
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i���startgroup(T$)
i��startobj(6)
i�$draw_p%=�T$+�12," "),12)
i�draw_p%+=12
i��
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i���endgroup
i��endobj
i��
i�
i�
i���textl(X%,Y%,H%,C%,A$)
i��startobj(1)
j!draw_p%=C%
jdraw_p%!4=&FFFFFF00
jdraw_p%!8=0
j"draw_p%+=12
j,!draw_p%=H%�2
j6draw_p%!4=H%
j@draw_p%+=8
jJ!draw_p%=X%
jTdraw_p%!4=Y%
j^draw_p%+=8
jhH%=4-�A$�4
jr$draw_p%=A$+�H%,�0)
j|draw_p%+=�A$+H%
j��endobj
j��
j�
j�
j�
j�3��startpath(X%,Y%,fillcol%,linecol%,linethick%)
j��startobj(2)
j�!draw_p%=fillcol%
j�draw_p%!4=linecol%
j�draw_p%+=8
j�!draw_p%=linethick%
j�draw_p%!4=2^6
j�draw_p%+=8
k!draw_p%=2
kdraw_p%!4=X%
kdraw_p%!8=Y%
k&draw_p%+=12
k0�
k:
kD��drawto(X%,Y%)
kN!draw_p%=8
kXdraw_p%!4=X%
kbdraw_p%!8=Y%
kldraw_p%+=12
kv�
k�
k�
k���moveto(X%,Y%)
k�!draw_p%=2
k�draw_p%!4=X%
k�draw_p%!8=Y%
k�draw_p%+=12
k��
k�
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k�
��endpath
k�!draw_p%=0
k�draw_p%+=4
l�endobj
l�
l
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l*!draw_p%=5
l4draw_p%+=4
l>�endpath
lH�
lR�cs
l\�
lf
lp#��bezier(X%,Y%,x1%,y1%,x2%,y2%)
lz6!draw_p%=6:draw_p%!4=x1%:draw_p%!8=y1%:draw_p%+=12
l�)!draw_p%=x2%:draw_p%!4=y2%:draw_p%+=8
l�'!draw_p%=X%:draw_p%!4=Y%:draw_p%+=8
l��
l�
l�3��circle(X%,Y%,R%,fillcol%,linecol%,linethick%)
l��f
l�f=��33.3333333
l�X%=X%*200+50000
l�
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l�
R%=R%*200
l�5�startpath(X%,Y%+R%,fillcol%,linecol%,linethick%)
l�1�bezier(X%-R%,Y%,X%-R%*f,Y%+R%,X%-R%,Y%+R%*f)
l�1�bezier(X%,Y%-R%,X%-R%,Y%-R%*f,X%-R%*f,Y%-R%)
m1�bezier(X%+R%,Y%,X%+R%*f,Y%-R%,X%+R%,Y%-R%*f)
m1�bezier(X%,Y%+R%,X%+R%,Y%+R%*f,X%+R%*f,Y%+R%)
m�closepath
m$�
m.
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mL
mV��save_draw(name$)
m`�T%
mj4�"Save "+name$+" "+�~draw_array%+" "+�~(dend%+4)
mt�"Settype "+name$+" AFF"
m~�
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n
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n<
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nFdraw_p%=draw_array%
nP�startdraw
nZ�startgroup("line")
nd� cart_plot%  �draw_cart
nn!� para_plot% �draw_parametric
nx� polar_plot% �draw_polar
n�
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n��enddraw
n��save_draw(name$)
n�
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n��
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n�
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n�� �draw_cart
n��draw_cart_axes_draw
n�� graph% = 1 � 6
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n� � cart_plot%(graph%) �
o
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o0  �startpath(0,-1000+0,-1,�colour(graph%),1)
o  move% = �
o"  � PROCpoint_move(0,0)
o,  � X% = 0 � 1276 � 4
o6    y% =base%!(X%*4)
o@      � move% �
oJ$         �point_move(X%,y%+1000)
oT      �
o^$         �point_plot(X%,y%+1000)
oh      �
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o|   �endpath
o� �
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o�� �draw_cart_axes_draw
o�� tx%,ty%,t$
o�move%=�
o�� show_axes%   �
o�!  �startpath(0,2512,-1,&FF,1)
o�'  �point_move(0,x_axes_level%+1000)
o�*  �point_plot(1280,x_axes_level%+1000)
o�'  �point_move(y_axes_level%,0+1000)
o�+  �point_plot(y_axes_level%,-1050+1000)
p-  �point_move( 104,x_axes_level%-20+1000)
p-  �point_plot( 104,x_axes_level%+20+1000)
p.  �point_move( 1174,x_axes_level%-20+1000)
p&.  �point_plot( 1174,x_axes_level%+20+1000)
p0-  �point_move( y_axes_level%-20,-84+1000)
p:-  �point_plot( y_axes_level%+20,-84+1000)
pD.  �point_move( y_axes_level%-20,-938+1000)
pN.  �point_plot( y_axes_level%+20,-938+1000)
pX  �endpath
pb  tx%=1100*200+50000
pl%  ty%=(x_axes_level%-20+1000)*200
pv  t$="y="+�(x_axes_level)
p�!  �textl(tx%,ty%,8000,&FF,t$)
p�(  tx% = (y_axes_level%+10)*200+50000
p�  ty%=(-50+1000)*200
p�  t$="x="+�(y_axes_level)
p�!  �textl(tx%,ty%,8000,&FF,t$)
p��
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p�
p�� �draw_parametric
p��draw_para_axes_draw
p�� graph% = 1 � 3
p�  X% = graph%*2-2
q  Y% = graph%*2-1
q%  xbase% = plot_values%+X%*1280*4
q%  ybase% = plot_values%+Y%*1280*4
q  � para_plot%(graph%) �
q*
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q40  �startpath(0,-1000+0,-1,�colour(graph%),1)
q>  move% = �
qH  � T% = 0 � 1276 � 2
qR    y% =ybase%!(T%*4)
q\    x% =xbase%!(T%*4)
qf      � move% �
qp$         �point_move(x%,y%+1000)
qz      �
q�$         �point_plot(x%,y%+1000)
q�      �
q�  �
q�   �endpath
q� �
q��
q��
q� 
q�� �draw_para_axes_draw
q�� tx%,ty%,t$
q�move%=�
q�� show_axes%   �
q�!  �startpath(0,2512,-1,&FF,1)
r'  �point_move(0,x_axes_level%+1000)
r*  �point_plot(1280,x_axes_level%+1000)
r'  �point_move(y_axes_level%,0+1000)
r$+  �point_plot(y_axes_level%,-1050+1000)
r.-  �point_move( 210,x_axes_level%-20+1000)
r8-  �point_plot( 210,x_axes_level%+20+1000)
rB.  �point_move( 1068,x_axes_level%-20+1000)
rL.  �point_plot( 1068,x_axes_level%+20+1000)
rV-  �point_move( y_axes_level%-20,-84+1000)
r`-  �point_plot( y_axes_level%+20,-84+1000)
rj.  �point_move( y_axes_level%-20,-938+1000)
rt.  �point_plot( y_axes_level%+20,-938+1000)
r~  �endpath
r�  tx%=1100*200+50000
r�%  ty%=(x_axes_level%-20+1000)*200
r�  t$="y="+�(x_axes_level)
r�!  �textl(tx%,ty%,8000,&FF,t$)
r�(  tx% = (y_axes_level%+10)*200+50000
r�  ty%=(-50+1000)*200
r�  t$="x="+�(y_axes_level)
r�!  �textl(tx%,ty%,8000,&FF,t$)
r��
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s� �draw_polar
s
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s� graph% = 1 � 3
s  X% = graph%*2-2
s(  Y% = graph%*2-1
s2%  xbase% = plot_values%+X%*1280*4
s<%  ybase% = plot_values%+Y%*1280*4
sF � polar_plot%(graph%) �
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t�  tx% = (1070)*200+50000
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000083e0  32 38 30 2a 34 0d 37 dc  23 79 62 61 73 65 25 20  |280*4.7.#ybase% |
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00008430  6e 74 2a 54 25 0d 37 fa  09 20 20 74 3d 54 0d 38  |nt*T%.7..  t=T.8|
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00008450  20 ea 20 85 0d 38 18 13  20 20 ee 20 85 20 ea 20  | . ..8..  . . . |
00008460  6f 6b 25 20 3d 20 a3 0d  38 22 0d 20 20 e7 20 6f  |ok% = ..8".  . o|
00008470  6b 25 20 8c 0d 38 2c 3f  20 20 20 20 79 62 61 73  |k% ..8,?    ybas|
00008480  65 25 21 28 54 25 2a 34  29 20 3d 20 79 66 61 63  |e%!(T%*4) = yfac|
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000084a0  6f 6e 73 24 28 59 25 2b  31 29 2d 79 5f 73 68 69  |ons$(Y%+1)-y_shi|
000084b0  66 74 25 0d 38 36 07 20  20 cc 0d 38 40 1c 20 20  |ft%.86.  ..8@.  |
000084c0  20 20 79 62 61 73 65 25  21 28 54 25 2a 34 29 20  |  ybase%!(T%*4) |
000084d0  3d 20 62 69 67 25 0d 38  4a 07 20 20 cd 0d 38 54  |= big%.8J.  ..8T|
000084e0  09 20 20 f7 20 85 0d 38  5e 0d 20 20 6f 6b 25 20  |.  . ..8^.  ok% |
000084f0  3d 20 b9 0d 38 68 09 20  20 ea 20 85 0d 38 72 13  |= ..8h.  . ..8r.|
00008500  20 20 ee 20 85 20 ea 20  6f 6b 25 20 3d 20 a3 0d  |  . . . ok% = ..|
00008510  38 7c 0d 20 20 e7 20 6f  6b 25 20 8c 0d 38 86 40  |8|.  . ok% ..8.@|
00008520  20 20 20 20 78 62 61 73  65 25 21 28 54 25 2a 34  |    xbase%!(T%*4|
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00008540  72 61 5f 66 75 6e 63 74  69 6f 6e 73 24 28 58 25  |ra_functions$(X%|
00008550  2b 31 29 2d 78 5f 73 68  69 66 74 25 0d 38 90 07  |+1)-x_shift%.8..|
00008560  20 20 cc 0d 38 9a 1c 20  20 20 20 78 62 61 73 65  |  ..8..    xbase|
00008570  25 21 28 54 25 2a 34 29  20 3d 20 62 69 67 25 0d  |%!(T%*4) = big%.|
00008580  38 a4 07 20 20 cd 0d 38  ae 09 20 20 f7 20 85 0d  |8..  ..8..  . ..|
00008590  38 b8 05 ed 0d 38 c2 05  cd 0d 38 cc 05 ed 0d 38  |8....8....8....8|
000085a0  d6 43 f2 63 61 6c 63 5f  70 61 72 61 5f 61 78 65  |.C.calc_para_axe|
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000085d0  73 68 69 66 74 25 2c 69  6e 63 72 65 6d 65 6e 74  |shift%,increment|
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00009f50  61 72 5f 66 75 6e 63 25  20 3c 20 33 20 8c 0d 42  |ar_func% < 3 ..B|
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0000acd0  0d 46 b4 05 cd 0d 46 be  05 cd 0d 46 c8 05 e1 0d  |.F....F....F....|
0000ace0  46 d2 04 0d 46 dc 14 dd  20 f2 72 65 74 75 72 6e  |F...F... .return|
0000acf0  5f 72 61 64 69 75 73 0d  46 e6 10 6d 61 78 5f 72  |_radius.F..max_r|
0000ad00  61 64 69 75 73 3d 30 0d  46 f0 2a 69 6e 63 72 65  |adius=0.F.*incre|
0000ad10  6d 65 6e 74 20 3d 20 28  6d 61 78 5f 74 68 65 74  |ment = (max_thet|
0000ad20  61 2d 6d 69 6e 5f 74 68  65 74 61 29 2f 31 32 38  |a-min_theta)/128|
0000ad30  30 0d 46 fa 14 e3 20 67  72 61 70 68 25 20 3d 20  |0.F... graph% = |
0000ad40  31 20 b8 20 33 0d 47 04  1b e7 20 70 6f 6c 61 72  |1 . 3.G... polar|
0000ad50  5f 70 6c 6f 74 25 28 67  72 61 70 68 25 29 20 8c  |_plot%(graph%) .|
0000ad60  0d 47 0e 37 20 20 c8 99  22 48 6f 75 72 67 6c 61  |.G.7  .."Hourgla|
0000ad70  73 73 5f 50 65 72 63 65  6e 74 61 67 65 22 2c 31  |ss_Percentage",1|
0000ad80  30 30 2d 28 63 6f 75 6e  74 31 25 2f 63 6f 75 6e  |00-(count1%/coun|
0000ad90  74 25 29 2a 31 30 30 0d  47 18 17 e3 20 61 6e 67  |t%)*100.G... ang|
0000ada0  6c 65 25 20 3d 20 30 20  b8 20 31 32 38 30 0d 47  |le% = 0 . 1280.G|
0000adb0  22 23 20 20 54 3d 20 6d  69 6e 5f 74 68 65 74 61  |"#  T= min_theta|
0000adc0  2b 69 6e 63 72 65 6d 65  6e 74 2a 61 6e 67 6c 65  |+increment*angle|
0000add0  25 0d 47 2c 09 20 20 74  3d 54 0d 47 36 0d 20 20  |%.G,.  t=T.G6.  |
0000ade0  6f 6b 25 20 3d 20 b9 0d  47 40 09 20 20 ea 20 85  |ok% = ..G@.  . .|
0000adf0  0d 47 4a 13 20 20 ee 20  85 20 ea 20 6f 6b 25 20  |.GJ.  . . . ok% |
0000ae00  3d 20 a3 0d 47 54 0d 20  20 e7 20 6f 6b 25 20 8c  |= ..GT.  . ok% .|
0000ae10  0d 47 5e 2a 20 20 20 20  72 65 73 75 6c 74 20 3d  |.G^*    result =|
0000ae20  20 a0 70 6f 6c 61 72 5f  66 75 6e 63 74 69 6f 6e  | .polar_function|
0000ae30  73 24 28 67 72 61 70 68  25 29 0d 47 68 07 20 20  |s$(graph%).Gh.  |
0000ae40  cc 0d 47 72 11 20 20 20  20 72 65 73 75 6c 74 20  |..Gr.    result |
0000ae50  3d 30 0d 47 7c 07 20 20  cd 0d 47 86 09 20 20 f7  |=0.G|.  ..G..  .|
0000ae60  20 85 0d 47 90 20 20 20  e7 20 94 28 72 65 73 75  | ..G.   . .(resu|
0000ae70  6c 74 29 20 3e 20 6d 61  78 5f 72 61 64 69 75 73  |lt) > max_radius|
0000ae80  20 8c 0d 47 9a 1e 20 20  20 20 6d 61 78 5f 72 61  | ..G..    max_ra|
0000ae90  64 69 75 73 20 3d 20 94  28 72 65 73 75 6c 74 29  |dius = .(result)|
0000aea0  0d 47 a4 07 20 20 cd 0d  47 ae 05 ed 0d 47 b8 10  |.G..  ..G....G..|
0000aeb0  20 20 63 6f 75 6e 74 31  25 2d 3d 31 0d 47 c2 05  |  count1%-=1.G..|
0000aec0  cd 0d 47 cc 05 ed 0d 47  d6 19 72 61 64 69 75 73  |..G....G..radius|
0000aed0  3d 6d 61 78 5f 72 61 64  69 75 73 2a 31 2e 32 0d  |=max_radius*1.2.|
0000aee0  47 e0 09 41 25 3d 40 25  0d 47 ea 10 40 25 3d 26  |G..A%=@%.G..@%=&|
0000aef0  30 31 30 30 30 33 30 38  0d 47 f4 1c 65 6e 74 65  |01000308.G..ente|
0000af00  72 65 64 5f 72 61 64 20  3d 20 6d 61 78 5f 72 61  |red_rad = max_ra|
0000af10  64 69 75 73 0d 47 fe 52  70 6f 6c 61 72 5f 72 61  |dius.G.Rpolar_ra|
0000af20  64 69 75 73 5f 69 63 6f  6e 25 20 3d a4 63 68 61  |dius_icon% =.cha|
0000af30  6e 67 65 5f 74 65 78 74  28 70 6f 6c 61 72 61 78  |nge_text(polarax|
0000af40  65 73 25 2c 70 6f 6c 61  72 5f 72 61 64 69 75 73  |es%,polar_radius|
0000af50  5f 69 63 6f 6e 25 2c c3  28 65 6e 74 65 72 65 64  |_icon%,.(entered|
0000af60  5f 72 61 64 29 29 0d 48  08 33 c8 99 20 22 57 69  |_rad)).H.3.. "Wi|
0000af70  6d 70 5f 46 6f 72 63 65  52 65 64 72 61 77 22 2c  |mp_ForceRedraw",|
0000af80  70 6f 6c 61 72 61 78 65  73 25 2c 30 2c 2d 31 32  |polaraxes%,0,-12|
0000af90  38 30 2c 31 32 38 30 2c  30 0d 48 12 09 40 25 3d  |80,1280,0.H..@%=|
0000afa0  41 25 0d 48 1c 05 e1 0d  48 26 04 0d 48 30 04 0d  |A%.H....H&..H0..|
0000afb0  48 3a 16 dd 20 f2 64 72  61 77 5f 70 6f 6c 61 72  |H:.. .draw_polar|
0000afc0  5f 61 78 65 73 0d 48 44  12 e7 20 73 68 6f 77 5f  |_axes.HD.. show_|
0000afd0  61 78 65 73 25 20 8c 0d  48 4e 18 c8 99 22 57 69  |axes% ..HN..."Wi|
0000afe0  6d 70 5f 53 65 74 43 6f  6c 6f 75 72 22 2c 31 0d  |mp_SetColour",1.|
0000aff0  48 58 1d c8 8f 20 20 36  34 30 2a 73 66 2c 2d 35  |HX...  640*sf,-5|
0000b000  31 32 2a 73 66 2c 31 30  36 2a 73 66 0d 48 62 1c  |12*sf,106*sf.Hb.|
0000b010  c8 8f 20 36 34 30 2a 73  66 2c 2d 35 31 32 2a 73  |.. 640*sf,-512*s|
0000b020  66 2c 32 31 33 2a 73 66  0d 48 6c 1d c8 8f 20 20  |f,213*sf.Hl...  |
0000b030  36 34 30 2a 73 66 2c 2d  35 31 32 2a 73 66 2c 33  |640*sf,-512*sf,3|
0000b040  32 30 2a 73 66 0d 48 76  1d c8 8f 20 20 36 34 30  |20*sf.Hv...  640|
0000b050  2a 73 66 2c 2d 35 31 32  2a 73 66 2c 34 32 37 2a  |*sf,-512*sf,427*|
0000b060  73 66 0d 48 80 15 ec 20  31 30 36 37 2a 73 66 2c  |sf.H... 1067*sf,|
0000b070  2d 35 31 32 2a 73 66 0d  48 8a 14 df 20 32 32 30  |-512*sf.H... 220|
0000b080  2a 73 66 2c 2d 35 31 32  2a 73 66 0d 48 94 13 ec  |*sf,-512*sf.H...|
0000b090  20 36 34 30 2a 73 66 2c  2d 38 35 2a 73 66 0d 48  | 640*sf,-85*sf.H|
0000b0a0  9e 14 df 20 36 34 30 2a  73 66 2c 2d 39 33 39 2a  |... 640*sf,-939*|
0000b0b0  73 66 0d 48 a8 14 ec 20  39 34 32 2a 73 66 2c 2d  |sf.H... 942*sf,-|
0000b0c0  32 31 30 2a 73 66 0d 48  b2 14 df 20 33 33 38 2a  |210*sf.H... 338*|
0000b0d0  73 66 2c 2d 38 31 34 2a  73 66 0d 48 bc 14 ec 20  |sf,-814*sf.H... |
0000b0e0  33 33 38 2a 73 66 2c 2d  32 31 30 2a 73 66 0d 48  |338*sf,-210*sf.H|
0000b0f0  c6 14 df 20 39 34 32 2a  73 66 2c 2d 38 31 34 2a  |... 942*sf,-814*|
0000b100  73 66 0d 48 d0 15 ec 20  31 30 37 30 2a 73 66 2c  |sf.H... 1070*sf,|
0000b110  2d 35 31 32 2a 73 66 0d  48 da 09 41 25 3d 40 25  |-512*sf.H..A%=@%|
0000b120  0d 48 e4 10 40 25 3d 26  30 31 30 30 30 33 30 38  |.H..@%=&01000308|
0000b130  0d 48 ee 14 f1 20 c3 28  65 6e 74 65 72 65 64 5f  |.H... .(entered_|
0000b140  72 61 64 29 0d 48 f8 09  40 25 3d 41 25 0d 49 02  |rad).H..@%=A%.I.|
0000b150  05 cd 0d 49 0c 05 e1 0d  49 16 04 0d 49 20 04 0d  |...I....I...I ..|
0000b160  49 2a 0f dd 20 f2 61 73  73 65 6d 62 6c 65 0d 49  |I*.. .assemble.I|
0000b170  34 17 e3 20 70 61 73 73  25 20 3d 20 30 20 b8 20  |4.. pass% = 0 . |
0000b180  32 20 88 20 32 0d 49 3e  0d 50 25 3d 20 63 6f 64  |2 . 2.I>.P%= cod|
0000b190  65 25 0d 49 48 0f 5b 20  4f 50 54 20 70 61 73 73  |e%.IH.[ OPT pass|
0000b1a0  25 0d 49 52 0f 4d 4f 56  20 52 31 32 2c 20 52 31  |%.IR.MOV R12, R1|
0000b1b0  0d 49 5c 0e 4d 4f 56 20  52 39 2c 20 23 30 0d 49  |.I\.MOV R9, #0.I|
0000b1c0  66 35 4d 4f 56 20 52 31  31 2c 20 52 30 20 3b 20  |f5MOV R11, R0 ; |
0000b1d0  20 20 20 20 20 20 20 20  20 20 20 70 75 74 20 74  |           put t|
0000b1e0  61 62 6c 65 20 73 74 61  72 74 20 69 6e 74 6f 20  |able start into |
0000b1f0  72 31 31 0d 49 70 09 2e  4c 4f 4f 50 0d 49 7a 11  |r11.Ip..LOOP.Iz.|
0000b200  4d 4f 56 20 52 34 2c 20  23 31 32 38 30 0d 49 84  |MOV R4, #1280.I.|
0000b210  0f 4d 4f 56 20 52 30 2c  20 23 36 39 0d 49 8e 2c  |.MOV R0, #69.I.,|
0000b220  4c 44 52 20 52 31 2c 20  5b 52 36 5d 20 3b 20 20  |LDR R1, [R6] ;  |
0000b230  20 20 20 20 20 20 20 20  20 67 65 74 20 74 68 65  |         get the|
0000b240  20 78 20 76 61 6c 75 65  0d 49 98 2f 43 4d 50 20  | x value.I./CMP |
0000b250  52 31 20 2c 20 23 30 20  3b 20 20 20 20 20 20 20  |R1 , #0 ;       |
0000b260  20 20 20 20 20 69 73 20  69 74 20 6f 75 74 20 6f  |     is it out o|
0000b270  66 20 72 61 6e 67 65 0d  49 a2 0e 42 4d 49 20 6e  |f range.I..BMI n|
0000b280  6f 70 6c 6f 74 0d 49 ac  2f 43 4d 50 20 52 31 2c  |oplot.I./CMP R1,|
0000b290  20 52 34 3b 20 20 20 20  20 20 20 20 20 20 20 20  | R4;            |
0000b2a0  20 20 69 73 20 69 74 20  6f 75 74 20 6f 66 20 72  |  is it out of r|
0000b2b0  61 6e 67 65 0d 49 b6 0e  42 50 4c 20 6e 6f 70 6c  |ange.I..BPL nopl|
0000b2c0  6f 74 0d 49 c0 3b 41 44  44 20 52 31 2c 20 52 31  |ot.I.;ADD R1, R1|
0000b2d0  31 2c 20 52 31 2c 20 4c  53 4c 20 23 32 3b 20 61  |1, R1, LSL #2; a|
0000b2e0  64 64 20 74 61 62 6c 65  20 73 74 61 72 74 20 74  |dd table start t|
0000b2f0  6f 20 78 20 76 61 6c 75  65 20 2a 20 34 0d 49 ca  |o x value * 4.I.|
0000b300  31 4c 44 52 20 52 31 2c  5b 52 31 5d 20 20 20 20  |1LDR R1,[R1]    |
0000b310  20 20 20 20 20 20 3b 20  20 20 67 65 74 20 76 61  |      ;   get va|
0000b320  6c 75 65 20 66 72 6f 6d  20 74 61 62 6c 65 0d 49  |lue from table.I|
0000b330  d4 15 4c 44 52 20 52 38  2c 67 72 61 70 68 5f 62  |..LDR R8,graph_b|
0000b340  6f 78 25 0d 49 de 0e 43  4d 50 20 52 31 2c 20 52  |ox%.I..CMP R1, R|
0000b350  38 0d 49 e8 0e 42 4d 49  20 6e 6f 70 6c 6f 74 0d  |8.I..BMI noplot.|
0000b360  49 f2 17 4c 44 52 20 52  38 2c 67 72 61 70 68 5f  |I..LDR R8,graph_|
0000b370  62 6f 78 25 2b 34 0d 49  fc 28 43 4d 50 20 52 31  |box%+4.I.(CMP R1|
0000b380  2c 52 38 3b 20 20 20 20  20 20 20 20 20 20 20 20  |,R8;            |
0000b390  20 20 20 72 61 6e 67 65  20 63 68 65 63 6b 0d 4a  |   range check.J|
0000b3a0  06 0e 42 50 4c 20 6e 6f  70 6c 6f 74 0d 4a 10 10  |..BPL noplot.J..|
0000b3b0  4c 44 52 20 52 32 2c 20  5b 52 37 5d 0d 4a 1a 2d  |LDR R2, [R7].J.-|
0000b3c0  52 53 42 20 52 32 2c 20  52 32 2c 20 23 30 3b 20  |RSB R2, R2, #0; |
0000b3d0  20 20 20 20 20 20 20 20  20 6d 61 6b 65 20 72 32  |         make r2|
0000b3e0  20 70 6f 73 69 74 69 76  65 0d 4a 24 2f 43 4d 50  | positive.J$/CMP|
0000b3f0  20 52 32 2c 20 23 30 20  3b 20 20 20 20 20 20 20  | R2, #0 ;       |
0000b400  20 20 20 20 20 20 69 73  20 69 74 20 6f 75 74 20  |      is it out |
0000b410  6f 66 20 72 61 6e 67 65  0d 4a 2e 0e 42 4d 49 20  |of range.J..BMI |
0000b420  6e 6f 70 6c 6f 74 0d 4a  38 2f 43 4d 50 20 52 32  |noplot.J8/CMP R2|
0000b430  2c 20 52 34 20 3b 20 20  20 20 20 20 20 20 20 20  |, R4 ;          |
0000b440  20 20 20 69 73 20 69 74  20 6f 75 74 20 6f 66 20  |   is it out of |
0000b450  72 61 6e 67 65 0d 4a 42  0e 42 50 4c 20 6e 6f 70  |range.JB.BPL nop|
0000b460  6c 6f 74 0d 4a 4c 3b 41  44 44 20 52 32 2c 52 31  |lot.JL;ADD R2,R1|
0000b470  31 2c 52 32 2c 20 4c 53  4c 23 32 20 3b 20 20 20  |1,R2, LSL#2 ;   |
0000b480  61 64 64 20 74 61 62 6c  65 20 73 74 61 72 74 20  |add table start |
0000b490  74 6f 20 79 20 76 61 6c  75 65 20 2a 20 34 0d 4a  |to y value * 4.J|
0000b4a0  56 31 4c 44 52 20 52 32  2c 5b 52 32 5d 20 20 20  |V1LDR R2,[R2]   |
0000b4b0  20 20 20 20 20 20 20 3b  20 20 20 67 65 74 20 76  |       ;   get v|
0000b4c0  61 6c 75 65 20 66 72 6f  6d 20 74 61 62 6c 65 0d  |alue from table.|
0000b4d0  4a 60 2d 52 53 42 20 52  32 2c 20 52 32 2c 20 23  |J`-RSB R2, R2, #|
0000b4e0  30 3b 20 20 20 20 20 20  20 20 20 20 6d 61 6b 65  |0;          make|
0000b4f0  20 72 32 20 6e 65 67 61  74 69 76 65 0d 4a 6a 18  | r2 negative.Jj.|
0000b500  4c 44 52 20 52 38 2c 20  67 72 61 70 68 5f 62 6f  |LDR R8, graph_bo|
0000b510  78 25 2b 38 0d 4a 74 0d  43 4d 50 20 52 32 2c 52  |x%+8.Jt.CMP R2,R|
0000b520  38 0d 4a 7e 0e 42 50 4c  20 6e 6f 70 6c 6f 74 0d  |8.J~.BPL noplot.|
0000b530  4a 88 19 4c 44 52 20 52  38 2c 20 67 72 61 70 68  |J..LDR R8, graph|
0000b540  5f 62 6f 78 25 2b 31 32  0d 4a 92 0e 43 4d 50 20  |_box%+12.J..CMP |
0000b550  52 32 2c 20 52 38 0d 4a  9c 0e 42 4d 49 20 6e 6f  |R2, R8.J..BMI no|
0000b560  70 6c 6f 74 0d 4a a6 43  43 4d 50 20 52 31 2c 20  |plot.J.CCMP R1, |
0000b570  52 39 3b 20 20 20 20 20  20 20 20 20 20 20 20 20  |R9;             |
0000b580  69 73 20 74 68 69 73 20  70 6f 69 6e 74 20 74 68  |is this point th|
0000b590  65 20 73 61 6d 65 20 61  73 20 74 68 65 20 70 72  |e same as the pr|
0000b5a0  65 76 69 6f 75 73 3f 0d  4a b0 0e 42 4e 45 20 64  |evious?.J..BNE d|
0000b5b0  6f 70 6c 6f 74 0d 4a ba  0e 43 4d 50 20 52 32 2c  |oplot.J..CMP R2,|
0000b5c0  52 31 30 0d 4a c4 35 42  45 51 20 6e 6f 70 6c 6f  |R10.J.5BEQ noplo|
0000b5d0  74 3b 20 20 20 20 20 20  20 20 20 20 20 20 20 79  |t;             y|
0000b5e0  65 73 20 73 6f 20 64 6f  6e 74 20 70 6c 6f 74 20  |es so dont plot |
0000b5f0  69 74 20 61 67 61 69 6e  0d 4a ce 0b 2e 64 6f 70  |it again.J...dop|
0000b600  6c 6f 74 0d 4a d8 11 53  57 49 20 22 4f 53 5f 50  |lot.J..SWI "OS_P|
0000b610  6c 6f 74 22 0d 4a e2 35  4d 4f 56 20 52 39 2c 52  |lot".J.5MOV R9,R|
0000b620  31 20 20 20 20 20 3b 20  20 20 20 20 20 20 20 20  |1     ;         |
0000b630  20 73 74 6f 72 65 20 6c  61 73 74 20 70 6c 6f 74  | store last plot|
0000b640  74 65 64 20 70 6f 69 6e  74 0d 4a ec 0e 4d 4f 56  |ted point.J..MOV|
0000b650  20 52 31 30 2c 52 32 0d  4a f6 0b 2e 6e 6f 70 6c  | R10,R2.J...nopl|
0000b660  6f 74 0d 4b 00 12 41 44  44 20 52 36 2c 20 52 36  |ot.K..ADD R6, R6|
0000b670  2c 20 23 34 0d 4b 0a 12  41 44 44 20 52 37 2c 20  |, #4.K..ADD R7, |
0000b680  52 37 2c 20 23 34 0d 4b  14 12 53 55 42 20 52 35  |R7, #4.K..SUB R5|
0000b690  2c 20 52 35 2c 20 23 34  0d 4b 1e 0e 43 4d 50 20  |, R5, #4.K..CMP |
0000b6a0  52 35 2c 20 23 30 0d 4b  28 0c 42 47 54 20 4c 4f  |R5, #0.K(.BGT LO|
0000b6b0  4f 50 0d 4b 32 0f 4d 4f  56 20 52 31 35 2c 52 31  |OP.K2.MOV R15,R1|
0000b6c0  34 0d 4b 3c 04 0d 4b 46  0f 2e 63 61 72 74 5f 63  |4.K<..KF..cart_c|
0000b6d0  6f 64 65 25 0d 4b 50 0e  4d 4f 56 20 52 39 2c 20  |ode%.KP.MOV R9, |
0000b6e0  23 30 0d 4b 5a 0f 4d 4f  56 20 52 31 32 2c 20 52  |#0.KZ.MOV R12, R|
0000b6f0  31 0d 4b 64 35 4d 4f 56  20 52 31 31 2c 20 52 30  |1.Kd5MOV R11, R0|
0000b700  20 3b 20 20 20 20 20 20  20 20 20 20 20 20 70 75  | ;            pu|
0000b710  74 20 74 61 62 6c 65 20  73 74 61 72 74 20 69 6e  |t table start in|
0000b720  74 6f 20 72 31 31 0d 4b  6e 29 4d 4f 56 20 52 31  |to r11.Kn)MOV R1|
0000b730  30 2c 20 23 30 20 3b 20  20 20 20 20 20 20 20 20  |0, #0 ;         |
0000b740  20 20 20 78 20 63 6f 6f  72 64 69 6e 61 74 65 0d  |   x coordinate.|
0000b750  4b 78 0e 2e 63 61 72 74  5f 4c 4f 4f 50 0d 4b 82  |Kx..cart_LOOP.K.|
0000b760  11 4d 4f 56 20 52 34 2c  20 23 31 32 38 30 0d 4b  |.MOV R4, #1280.K|
0000b770  8c 0f 4d 4f 56 20 52 30  2c 20 23 36 39 0d 4b 96  |..MOV R0, #69.K.|
0000b780  41 41 44 44 20 52 31 2c  52 31 31 2c 52 31 30 2c  |AADD R1,R11,R10,|
0000b790  20 4c 53 4c 23 32 20 3b  20 20 20 20 20 20 20 20  | LSL#2 ;        |
0000b7a0  61 64 64 20 74 61 62 6c  65 20 73 74 61 72 74 20  |add table start |
0000b7b0  74 6f 20 78 20 76 61 6c  75 65 20 2a 20 34 0d 4b  |to x value * 4.K|
0000b7c0  a0 0f 4c 44 52 20 52 31  2c 5b 52 31 5d 0d 4b aa  |..LDR R1,[R1].K.|
0000b7d0  15 4c 44 52 20 52 38 2c  67 72 61 70 68 5f 62 6f  |.LDR R8,graph_bo|
0000b7e0  78 25 0d 4b b4 28 43 4d  50 20 52 31 2c 20 52 38  |x%.K.(CMP R1, R8|
0000b7f0  3b 20 20 20 20 20 20 20  20 20 20 20 63 66 20 78  |;           cf x|
0000b800  20 77 69 74 68 20 6c 65  66 74 0d 4b be 13 42 4d  | with left.K..BM|
0000b810  49 20 63 61 72 74 5f 6e  6f 70 6c 6f 74 0d 4b c8  |I cart_noplot.K.|
0000b820  17 4c 44 52 20 52 38 2c  67 72 61 70 68 5f 62 6f  |.LDR R8,graph_bo|
0000b830  78 25 2b 34 0d 4b d2 29  43 4d 50 20 52 31 2c 52  |x%+4.K.)CMP R1,R|
0000b840  38 20 3b 20 20 20 20 20  20 20 20 20 20 20 63 66  |8 ;           cf|
0000b850  20 78 20 77 69 74 68 20  72 69 67 68 74 0d 4b dc  | x with right.K.|
0000b860  13 42 50 4c 20 63 61 72  74 5f 6e 6f 70 6c 6f 74  |.BPL cart_noplot|
0000b870  0d 4b e6 2e 4c 44 52 20  52 32 2c 20 5b 52 37 5d  |.K..LDR R2, [R7]|
0000b880  20 3b 20 20 20 20 20 20  20 20 72 37 20 70 6f 69  | ;        r7 poi|
0000b890  6e 74 73 20 74 6f 20 79  20 76 61 6c 75 65 0d 4b  |nts to y value.K|
0000b8a0  f0 2a 52 53 42 20 52 32  2c 20 52 32 2c 20 23 30  |.*RSB R2, R2, #0|
0000b8b0  3b 20 20 20 20 20 20 20  6d 61 6b 65 20 72 32 20  |;       make r2 |
0000b8c0  70 6f 73 69 74 69 76 65  0d 4b fa 2b 43 4d 50 20  |positive.K.+CMP |
0000b8d0  52 32 2c 20 23 30 20 3b  20 20 20 20 20 20 20 20  |R2, #0 ;        |
0000b8e0  20 69 73 20 69 74 20 6f  75 74 20 6f 66 20 72 61  | is it out of ra|
0000b8f0  6e 67 65 0d 4c 04 13 42  4d 49 20 63 61 72 74 5f  |nge.L..BMI cart_|
0000b900  6e 6f 70 6c 6f 74 0d 4c  0e 28 43 4d 50 20 52 32  |noplot.L.(CMP R2|
0000b910  2c 20 52 34 20 3b 20 20  20 20 20 20 69 73 20 69  |, R4 ;      is i|
0000b920  74 20 6f 75 74 20 6f 66  20 72 61 6e 67 65 0d 4c  |t out of range.L|
0000b930  18 13 42 50 4c 20 63 61  72 74 5f 6e 6f 70 6c 6f  |..BPL cart_noplo|
0000b940  74 0d 4c 22 38 41 44 44  20 52 32 2c 52 31 31 2c  |t.L"8ADD R2,R11,|
0000b950  52 32 2c 20 4c 53 4c 23  32 20 3b 61 64 64 20 74  |R2, LSL#2 ;add t|
0000b960  61 62 6c 65 20 73 74 61  72 74 20 74 6f 20 79 20  |able start to y |
0000b970  76 61 6c 75 65 20 2a 20  34 0d 4c 2c 2e 4c 44 52  |value * 4.L,.LDR|
0000b980  20 52 32 2c 5b 52 32 5d  20 20 20 20 20 20 20 20  | R2,[R2]        |
0000b990  20 20 3b 67 65 74 20 76  61 6c 75 65 20 66 72 6f  |  ;get value fro|
0000b9a0  6d 20 74 61 62 6c 65 0d  4c 36 2e 52 53 42 20 52  |m table.L6.RSB R|
0000b9b0  32 2c 20 52 32 2c 20 23  30 3b 20 20 20 20 20 20  |2, R2, #0;      |
0000b9c0  20 20 20 20 20 6d 61 6b  65 20 72 32 20 6e 65 67  |     make r2 neg|
0000b9d0  61 74 69 76 65 0d 4c 40  18 4c 44 52 20 52 38 2c  |ative.L@.LDR R8,|
0000b9e0  20 67 72 61 70 68 5f 62  6f 78 25 2b 38 0d 4c 4a  | graph_box%+8.LJ|
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0000bab0  20 23 32 0d 4c ae 0e 43  4d 50 20 52 35 2c 20 23  | #2.L..CMP R5, #|
0000bac0  30 0d 4c b8 11 42 47 54  20 63 61 72 74 5f 4c 4f  |0.L..BGT cart_LO|
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0000efa0  74 5f 69 63 6f 6e 25 3d  a4 63 68 61 6e 67 65 5f  |t_icon%=.change_|
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0000efc0  2c 70 61 72 61 5f 66 75  6e 63 5f 63 6f 75 6e 74  |,para_func_count|
0000efd0  5f 69 63 6f 6e 25 2c 22  31 22 29 0d 5d ca 4a 70  |_icon%,"1").].Jp|
0000efe0  6f 6c 61 72 5f 66 75 6e  63 5f 63 6f 75 6e 74 5f  |olar_func_count_|
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0000f110  66 75 6e 63 79 5f 69 63  6f 6e 25 3d 20 a4 75 70  |funcy_icon%= .up|
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0000f130  69 6f 6e 28 20 31 29 0d  5e 2e 04 0d 5e 38 04 0d  |ion( 1).^...^8..|
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0000f150  6f 77 0d 5e 4c 26 e7 20  20 63 61 72 74 5f 70 6c  |ow.^L&.  cart_pl|
0000f160  6f 74 25 20 8c 20 77 69  6e 64 25 20 20 3d 63 61  |ot% . wind%  =ca|
0000f170  72 74 65 73 69 61 6e 25  0d 5e 56 27 e7 20 70 61  |rtesian%.^V'. pa|
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0000f1b0  20 8c 20 20 77 69 6e 64  25 20 3d 70 6f 6c 61 72  | .  wind% =polar|
0000f1c0  25 0d 5e 6a 2c c8 99 20  22 57 69 6d 70 5f 46 6f  |%.^j,.. "Wimp_Fo|
0000f1d0  72 63 65 52 65 64 72 61  77 22 2c 77 69 6e 64 25  |rceRedraw",wind%|
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0000f220  20 70 6f 6c 61 72 5f 70  6c 6f 74 25 20 8c 20 f2  | polar_plot% . .|
0000f230  73 65 6c 65 63 74 5f 70  6f 6c 61 72 0d 5e 92 05  |select_polar.^..|
0000f240  e1 0d 5e 9c 04 0d 5e a6  16 dd 20 f2 67 65 74 5f  |..^...^... .get_|
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0000f260  99 20 22 4f 53 5f 47 65  74 45 6e 76 22 20 b8 20  |. "OS_GetEnv" . |
0000f270  63 24 0d 5e ba 1d 70 20  3d 20 a7 63 24 2c 22 22  |c$.^..p = .c$,""|
0000f280  22 22 2c a7 63 24 2c 22  22 22 22 29 2b 31 29 0d  |"",.c$,"""")+1).|
0000f290  5e c4 0f 63 24 3d c1 63  24 2c 70 2b 31 29 0d 5e  |^..c$=.c$,p+1).^|
0000f2a0  ce 11 c8 95 20 c0 63 24  2c 31 29 3d 22 20 22 0d  |.... .c$,1)=" ".|
0000f2b0  5e d8 0f 20 20 63 24 3d  c1 63 24 2c 32 29 0d 5e  |^..  c$=.c$,2).^|
0000f2c0  e2 05 ce 0d 5e ec 22 e7  20 63 24 3c 3e 22 22 20  |....^.". c$<>"" |
0000f2d0  8c 20 f2 6c 6f 61 64 5f  66 72 6f 6d 5f 64 69 73  |. .load_from_dis|
0000f2e0  63 28 63 24 29 0d 5e f6  18 e7 20 63 24 3c 3e 22  |c(c$).^... c$<>"|
0000f2f0  22 20 8c 20 24 66 69 25  20 3d 20 63 24 0d 5f 00  |" . $fi% = c$._.|
0000f300  05 e1 0d 5f 0a 04 0d 5f  14 04 0d 5f 1e 10 dd 20  |..._..._..._... |
0000f310  f2 66 69 6c 65 5f 64 61  74 61 0d 5f 28 14 20 20  |.file_data._(.  |
0000f320  73 61 76 65 5f 6f 70 65  6e 25 20 3d 20 b9 0d 5f  |save_open% = .._|
0000f330  32 19 20 20 f2 6f 70 65  6e 5f 77 69 6e 64 6f 77  |2.  .open_window|
0000f340  28 73 61 76 65 25 29 0d  5f 3c 05 e1 0d 5f 46 04  |(save%)._<..._F.|
0000f350  0d 5f 50 04 0d 5f 5a 12  dd 20 f2 6c 6f 61 64 28  |._P.._Z.. .load(|
0000f360  6e 61 6d 65 24 29 0d 5f  64 05 e1 0d 5f 6e 04 0d  |name$)._d..._n..|
0000f370  5f 78 12 dd 20 f2 63 72  65 61 74 65 5f 6d 65 6e  |_x.. .create_men|
0000f380  75 0d 5f 82 15 de 20 6d  65 6e 75 5f 62 6c 6f 63  |u._... menu_bloc|
0000f390  6b 25 20 33 30 30 0d 5f  8c 16 de 20 6d 65 6e 75  |k% 300._... menu|
0000f3a0  31 5f 62 6c 6f 63 6b 25  20 31 30 30 0d 5f 96 1e  |1_block% 100._..|
0000f3b0  24 6d 65 6e 75 5f 62 6c  6f 63 6b 25 20 3d 22 47  |$menu_block% ="G|
0000f3c0  72 61 70 68 20 4d 65 6e  75 22 0d 5f a0 19 3f 28  |raph Menu"._..?(|
0000f3d0  6d 65 6e 75 5f 62 6c 6f  63 6b 25 2b 31 32 29 20  |menu_block%+12) |
0000f3e0  3d 20 37 0d 5f aa 19 3f  28 6d 65 6e 75 5f 62 6c  |= 7._..?(menu_bl|
0000f3f0  6f 63 6b 25 2b 31 33 29  20 3d 20 32 0d 5f b4 19  |ock%+13) = 2._..|
0000f400  3f 28 6d 65 6e 75 5f 62  6c 6f 63 6b 25 2b 31 34  |?(menu_block%+14|
0000f410  29 20 3d 20 37 0d 5f be  19 3f 28 6d 65 6e 75 5f  |) = 7._..?(menu_|
0000f420  62 6c 6f 63 6b 25 2b 31  35 29 20 3d 20 30 0d 5f  |block%+15) = 0._|
0000f430  c8 1b 21 28 6d 65 6e 75  5f 62 6c 6f 63 6b 25 2b  |..!(menu_block%+|
0000f440  31 36 29 20 3d 20 31 39  36 0d 5f d2 1a 21 28 6d  |16) = 196._..!(m|
0000f450  65 6e 75 5f 62 6c 6f 63  6b 25 2b 32 30 29 20 3d  |enu_block%+20) =|
0000f460  20 34 34 0d 5f dc 19 21  28 6d 65 6e 75 5f 62 6c  | 44._..!(menu_bl|
0000f470  6f 63 6b 25 2b 32 34 29  20 3d 20 30 0d 5f e6 1e  |ock%+24) = 0._..|
0000f480  21 28 6d 65 6e 75 5f 62  6c 6f 63 6b 25 2b 34 2b  |!(menu_block%+4+|
0000f490  28 32 34 2b 30 29 29 20  3d 30 0d 5f f0 25 21 28  |(24+0)) =0._.%!(|
0000f4a0  6d 65 6e 75 5f 62 6c 6f  63 6b 25 2b 34 2b 28 32  |menu_block%+4+(2|
0000f4b0  34 2a 31 2b 34 29 29 20  3d 73 61 76 65 31 25 0d  |4*1+4)) =save1%.|
0000f4c0  5f fa 28 21 28 6d 65 6e  75 5f 62 6c 6f 63 6b 25  |_.(!(menu_block%|
0000f4d0  2b 34 2b 28 32 34 2a 31  2b 38 29 29 20 3d 20 26  |+4+(24*1+8)) = &|
0000f4e0  37 30 30 30 30 32 31 0d  60 04 2b 24 28 6d 65 6e  |7000021.`.+$(men|
0000f4f0  75 5f 62 6c 6f 63 6b 25  2b 34 2b 28 32 34 2a 31  |u_block%+4+(24*1|
0000f500  2b 31 32 29 29 20 3d 22  53 61 76 65 20 44 61 74  |+12)) ="Save Dat|
0000f510  61 22 0d 60 0e 20 21 28  6d 65 6e 75 5f 62 6c 6f  |a".`. !(menu_blo|
0000f520  63 6b 25 2b 34 2b 28 32  34 2a 32 2b 30 29 29 20  |ck%+4+(24*2+0)) |
0000f530  3d 30 0d 60 18 25 21 28  6d 65 6e 75 5f 62 6c 6f  |=0.`.%!(menu_blo|
0000f540  63 6b 25 2b 34 2b 28 32  34 2a 32 2b 34 29 29 20  |ck%+4+(24*2+4)) |
0000f550  3d 20 73 61 76 65 25 0d  60 22 27 21 28 6d 65 6e  |= save%.`"'!(men|
0000f560  75 5f 62 6c 6f 63 6b 25  2b 34 2b 28 32 34 2a 32  |u_block%+4+(24*2|
0000f570  2b 38 29 29 20 3d 26 37  30 30 30 30 32 31 0d 60  |+8)) =&7000021.`|
0000f580  2c 2d 24 28 6d 65 6e 75  5f 62 6c 6f 63 6b 25 2b  |,-$(menu_block%+|
0000f590  34 2b 28 32 34 2a 32 2b  31 32 29 29 20 3d 22 53  |4+(24*2+12)) ="S|
0000f5a0  61 76 65 20 47 72 61 70  68 73 22 0d 60 36 20 21  |ave Graphs".`6 !|
0000f5b0  28 6d 65 6e 75 5f 62 6c  6f 63 6b 25 2b 34 2b 28  |(menu_block%+4+(|
0000f5c0  32 34 2a 33 2b 30 29 29  20 3d 30 0d 60 40 21 21  |24*3+0)) =0.`@!!|
0000f5d0  28 6d 65 6e 75 5f 62 6c  6f 63 6b 25 2b 34 2b 28  |(menu_block%+4+(|
0000f5e0  32 34 2a 33 2b 34 29 29  20 3d 2d 31 0d 60 4a 28  |24*3+4)) =-1.`J(|
0000f5f0  21 28 6d 65 6e 75 5f 62  6c 6f 63 6b 25 2b 34 2b  |!(menu_block%+4+|
0000f600  28 32 34 2a 33 2b 38 29  29 20 3d 20 26 37 30 30  |(24*3+8)) = &700|
0000f610  30 30 32 31 0d 60 54 2d  24 28 6d 65 6e 75 5f 62  |0021.`T-$(menu_b|
0000f620  6c 6f 63 6b 25 2b 34 2b  28 32 34 2a 33 2b 31 32  |lock%+4+(24*3+12|
0000f630  29 29 20 3d 22 43 6f 6f  72 64 69 6e 61 74 65 73  |)) ="Coordinates|
0000f640  22 0d 60 5e 20 21 28 6d  65 6e 75 5f 62 6c 6f 63  |".`^ !(menu_bloc|
0000f650  6b 25 2b 34 2b 28 32 34  2a 34 2b 30 29 29 20 3d  |k%+4+(24*4+0)) =|
0000f660  30 0d 60 68 21 21 28 6d  65 6e 75 5f 62 6c 6f 63  |0.`h!!(menu_bloc|
0000f670  6b 25 2b 34 2b 28 32 34  2a 34 2b 34 29 29 20 3d  |k%+4+(24*4+4)) =|
0000f680  2d 31 0d 60 72 27 21 28  6d 65 6e 75 5f 62 6c 6f  |-1.`r'!(menu_blo|
0000f690  63 6b 25 2b 34 2b 28 32  34 2a 34 2b 38 29 29 20  |ck%+4+(24*4+8)) |
0000f6a0  3d 26 37 30 30 30 30 32  31 0d 60 7c 26 24 28 6d  |=&7000021.`|&$(m|
0000f6b0  65 6e 75 5f 62 6c 6f 63  6b 25 2b 34 2b 28 32 34  |enu_block%+4+(24|
0000f6c0  2a 34 2b 31 32 29 29 20  3d 22 41 78 65 73 22 0d  |*4+12)) ="Axes".|
0000f6d0  60 86 20 21 28 6d 65 6e  75 5f 62 6c 6f 63 6b 25  |`. !(menu_block%|
0000f6e0  2b 34 2b 28 32 34 2a 35  2b 30 29 29 20 3d 32 0d  |+4+(24*5+0)) =2.|
0000f6f0  60 90 21 21 28 6d 65 6e  75 5f 62 6c 6f 63 6b 25  |`.!!(menu_block%|
0000f700  2b 34 2b 28 32 34 2a 35  2b 34 29 29 20 3d 2d 31  |+4+(24*5+4)) =-1|
0000f710  0d 60 9a 27 21 28 6d 65  6e 75 5f 62 6c 6f 63 6b  |.`.'!(menu_block|
0000f720  25 2b 34 2b 28 32 34 2a  35 2b 38 29 29 20 3d 26  |%+4+(24*5+8)) =&|
0000f730  37 30 30 30 30 32 31 0d  60 a4 2b 24 28 6d 65 6e  |7000021.`.+$(men|
0000f740  75 5f 62 6c 6f 63 6b 25  2b 34 2b 28 32 34 2a 35  |u_block%+4+(24*5|
0000f750  2b 31 32 29 29 20 3d 22  46 75 6e 63 74 69 6f 6e  |+12)) ="Function|
0000f760  73 22 0d 60 ae 20 21 28  6d 65 6e 75 5f 62 6c 6f  |s".`. !(menu_blo|
0000f770  63 6b 25 2b 34 2b 28 32  34 2a 36 2b 30 29 29 20  |ck%+4+(24*6+0)) |
0000f780  3d 30 0d 60 b8 22 21 28  6d 65 6e 75 5f 62 6c 6f  |=0.`."!(menu_blo|
0000f790  63 6b 25 2b 34 2b 28 32  34 2a 36 2b 34 29 29 20  |ck%+4+(24*6+4)) |
0000f7a0  3d 20 2d 31 0d 60 c2 27  21 28 6d 65 6e 75 5f 62  |= -1.`.'!(menu_b|
0000f7b0  6c 6f 63 6b 25 2b 34 2b  28 32 34 2a 36 2b 38 29  |lock%+4+(24*6+8)|
0000f7c0  29 20 3d 26 37 30 30 30  30 32 31 0d 60 cc 2b 24  |) =&7000021.`.+$|
0000f7d0  28 6d 65 6e 75 5f 62 6c  6f 63 6b 25 2b 34 2b 28  |(menu_block%+4+(|
0000f7e0  32 34 2a 36 2b 31 32 29  29 20 3d 22 43 61 72 74  |24*6+12)) ="Cart|
0000f7f0  65 73 69 61 6e 22 0d 60  d6 20 21 28 6d 65 6e 75  |esian".`. !(menu|
0000f800  5f 62 6c 6f 63 6b 25 2b  34 2b 28 32 34 2a 37 2b  |_block%+4+(24*7+|
0000f810  30 29 29 20 3d 30 0d 60  e0 22 21 28 6d 65 6e 75  |0)) =0.`."!(menu|
0000f820  5f 62 6c 6f 63 6b 25 2b  34 2b 28 32 34 2a 37 2b  |_block%+4+(24*7+|
0000f830  34 29 29 20 3d 20 2d 31  0d 60 ea 27 21 28 6d 65  |4)) = -1.`.'!(me|
0000f840  6e 75 5f 62 6c 6f 63 6b  25 2b 34 2b 28 32 34 2a  |nu_block%+4+(24*|
0000f850  37 2b 38 29 29 20 3d 26  37 30 30 30 30 32 31 0d  |7+8)) =&7000021.|
0000f860  60 f4 27 24 28 6d 65 6e  75 5f 62 6c 6f 63 6b 25  |`.'$(menu_block%|
0000f870  2b 34 2b 28 32 34 2a 37  2b 31 32 29 29 20 3d 22  |+4+(24*7+12)) ="|
0000f880  50 6f 6c 61 72 22 0d 60  fe 20 21 28 6d 65 6e 75  |Polar".`. !(menu|
0000f890  5f 62 6c 6f 63 6b 25 2b  34 2b 28 32 34 2a 38 2b  |_block%+4+(24*8+|
0000f8a0  30 29 29 20 3d 32 0d 61  08 22 21 28 6d 65 6e 75  |0)) =2.a."!(menu|
0000f8b0  5f 62 6c 6f 63 6b 25 2b  34 2b 28 32 34 2a 38 2b  |_block%+4+(24*8+|
0000f8c0  34 29 29 20 3d 20 2d 31  0d 61 12 27 21 28 6d 65  |4)) = -1.a.'!(me|
0000f8d0  6e 75 5f 62 6c 6f 63 6b  25 2b 34 2b 28 32 34 2a  |nu_block%+4+(24*|
0000f8e0  38 2b 38 29 29 20 3d 26  37 30 30 30 30 32 31 0d  |8+8)) =&7000021.|
0000f8f0  61 1c 2c 24 28 6d 65 6e  75 5f 62 6c 6f 63 6b 25  |a.,$(menu_block%|
0000f900  2b 34 2b 28 32 34 2a 38  2b 31 32 29 29 20 3d 22  |+4+(24*8+12)) ="|
0000f910  50 61 72 61 6d 65 74 72  69 63 22 0d 61 26 20 21  |Parametric".a& !|
0000f920  28 6d 65 6e 75 5f 62 6c  6f 63 6b 25 2b 34 2b 28  |(menu_block%+4+(|
0000f930  32 34 2a 39 2b 30 29 29  20 3d 30 0d 61 30 22 21  |24*9+0)) =0.a0"!|
0000f940  28 6d 65 6e 75 5f 62 6c  6f 63 6b 25 2b 34 2b 28  |(menu_block%+4+(|
0000f950  32 34 2a 39 2b 34 29 29  20 3d 20 2d 31 0d 61 3a  |24*9+4)) = -1.a:|
0000f960  27 21 28 6d 65 6e 75 5f  62 6c 6f 63 6b 25 2b 34  |'!(menu_block%+4|
0000f970  2b 28 32 34 2a 39 2b 38  29 29 20 3d 26 37 30 30  |+(24*9+8)) =&700|
0000f980  30 30 32 31 0d 61 44 29  24 28 6d 65 6e 75 5f 62  |0021.aD)$(menu_b|
0000f990  6c 6f 63 6b 25 2b 34 2b  28 32 34 2a 39 2b 31 32  |lock%+4+(24*9+12|
0000f9a0  29 29 20 3d 22 44 65 67  72 65 65 73 22 0d 61 4e  |)) ="Degrees".aN|
0000f9b0  24 21 28 6d 65 6e 75 5f  62 6c 6f 63 6b 25 2b 34  |$!(menu_block%+4|
0000f9c0  2b 28 32 34 2a 31 30 2b  30 29 29 20 3d 20 26 38  |+(24*10+0)) = &8|
0000f9d0  31 0d 61 58 23 21 28 6d  65 6e 75 5f 62 6c 6f 63  |1.aX#!(menu_bloc|
0000f9e0  6b 25 2b 34 2b 28 32 34  2a 31 30 2b 34 29 29 20  |k%+4+(24*10+4)) |
0000f9f0  3d 20 2d 31 0d 61 62 28  21 28 6d 65 6e 75 5f 62  |= -1.ab(!(menu_b|
0000fa00  6c 6f 63 6b 25 2b 34 2b  28 32 34 2a 31 30 2b 38  |lock%+4+(24*10+8|
0000fa10  29 29 20 3d 26 37 30 30  30 30 32 31 0d 61 6c 2c  |)) =&7000021.al,|
0000fa20  24 28 6d 65 6e 75 5f 62  6c 6f 63 6b 25 2b 34 2b  |$(menu_block%+4+|
0000fa30  28 32 34 2a 31 30 2b 31  32 29 29 20 3d 22 53 68  |(24*10+12)) ="Sh|
0000fa40  6f 77 20 41 78 65 73 22  0d 61 76 1c 6d 61 69 6e  |ow Axes".av.main|
0000fa50  5f 6d 65 6e 75 25 20 3d  20 6d 65 6e 75 5f 62 6c  |_menu% = menu_bl|
0000fa60  6f 63 6b 25 0d 61 80 1e  24 6d 65 6e 75 31 5f 62  |ock%.a..$menu1_b|
0000fa70  6c 6f 63 6b 25 20 3d 22  51 75 69 74 20 4d 65 6e  |lock% ="Quit Men|
0000fa80  75 22 0d 61 8a 1a 3f 28  6d 65 6e 75 31 5f 62 6c  |u".a..?(menu1_bl|
0000fa90  6f 63 6b 25 2b 31 32 29  20 3d 20 37 0d 61 94 1a  |ock%+12) = 7.a..|
0000faa0  3f 28 6d 65 6e 75 31 5f  62 6c 6f 63 6b 25 2b 31  |?(menu1_block%+1|
0000fab0  33 29 20 3d 20 32 0d 61  9e 1a 3f 28 6d 65 6e 75  |3) = 2.a..?(menu|
0000fac0  31 5f 62 6c 6f 63 6b 25  2b 31 34 29 20 3d 20 37  |1_block%+14) = 7|
0000fad0  0d 61 a8 1a 3f 28 6d 65  6e 75 31 5f 62 6c 6f 63  |.a..?(menu1_bloc|
0000fae0  6b 25 2b 31 35 29 20 3d  20 30 0d 61 b2 1c 21 28  |k%+15) = 0.a..!(|
0000faf0  6d 65 6e 75 31 5f 62 6c  6f 63 6b 25 2b 31 36 29  |menu1_block%+16)|
0000fb00  20 3d 20 31 39 36 0d 61  bc 1b 21 28 6d 65 6e 75  | = 196.a..!(menu|
0000fb10  31 5f 62 6c 6f 63 6b 25  2b 32 30 29 20 3d 20 34  |1_block%+20) = 4|
0000fb20  34 0d 61 c6 1a 21 28 6d  65 6e 75 31 5f 62 6c 6f  |4.a..!(menu1_blo|
0000fb30  63 6b 25 2b 32 34 29 20  3d 20 30 0d 61 d0 1f 21  |ck%+24) = 0.a..!|
0000fb40  28 6d 65 6e 75 31 5f 62  6c 6f 63 6b 25 2b 34 2b  |(menu1_block%+4+|
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00010850  61 72 72 61 79 25 2b 34  30 0d 69 32 0c 73 74 61  |array%+40.i2.sta|
00010860  63 6b 25 3d 30 0d 69 3c  05 e1 0d 69 46 04 0d 69  |ck%=0.i<...iF..i|
00010870  50 0d dd f2 65 6e 64 64  72 61 77 0d 69 5a 2f e7  |P...enddraw.iZ/.|
00010880  73 74 61 63 6b 25 3c 3e  30 20 85 39 39 2c 22 54  |stack%<>0 .99,"T|
00010890  68 65 20 64 72 61 77 69  6e 67 20 68 61 73 20 67  |he drawing has g|
000108a0  6f 6e 65 20 77 72 6f 6e  67 22 0d 69 64 13 64 65  |one wrong".id.de|
000108b0  6e 64 25 3d 64 72 61 77  5f 70 25 2d 34 0d 69 6e  |nd%=draw_p%-4.in|
000108c0  05 e1 0d 69 78 04 0d 69  82 14 dd f2 73 74 61 72  |...ix..i....star|
000108d0  74 67 72 6f 75 70 28 54  24 29 0d 69 8c 10 f2 73  |tgroup(T$).i...s|
000108e0  74 61 72 74 6f 62 6a 28  36 29 0d 69 96 1d 24 64  |tartobj(6).i..$d|
000108f0  72 61 77 5f 70 25 3d c0  54 24 2b c4 31 32 2c 22  |raw_p%=.T$+.12,"|
00010900  20 22 29 2c 31 32 29 0d  69 a0 0f 64 72 61 77 5f  | "),12).i..draw_|
00010910  70 25 2b 3d 31 32 0d 69  aa 05 e1 0d 69 b4 04 0d  |p%+=12.i....i...|
00010920  69 be 0e dd f2 65 6e 64  67 72 6f 75 70 0d 69 c8  |i....endgroup.i.|
00010930  0b f2 65 6e 64 6f 62 6a  0d 69 d2 05 e1 0d 69 dc  |..endobj.i....i.|
00010940  04 0d 69 e6 04 0d 69 f0  1b dd f2 74 65 78 74 6c  |..i...i....textl|
00010950  28 58 25 2c 59 25 2c 48  25 2c 43 25 2c 41 24 29  |(X%,Y%,H%,C%,A$)|
00010960  0d 69 fa 10 f2 73 74 61  72 74 6f 62 6a 28 31 29  |.i...startobj(1)|
00010970  0d 6a 04 0f 21 64 72 61  77 5f 70 25 3d 43 25 0d  |.j..!draw_p%=C%.|
00010980  6a 0e 17 64 72 61 77 5f  70 25 21 34 3d 26 46 46  |j..draw_p%!4=&FF|
00010990  46 46 46 46 30 30 0d 6a  18 0f 64 72 61 77 5f 70  |FFFF00.j..draw_p|
000109a0  25 21 38 3d 30 0d 6a 22  0f 64 72 61 77 5f 70 25  |%!8=0.j".draw_p%|
000109b0  2b 3d 31 32 0d 6a 2c 11  21 64 72 61 77 5f 70 25  |+=12.j,.!draw_p%|
000109c0  3d 48 25 81 32 0d 6a 36  10 64 72 61 77 5f 70 25  |=H%.2.j6.draw_p%|
000109d0  21 34 3d 48 25 0d 6a 40  0e 64 72 61 77 5f 70 25  |!4=H%.j@.draw_p%|
000109e0  2b 3d 38 0d 6a 4a 0f 21  64 72 61 77 5f 70 25 3d  |+=8.jJ.!draw_p%=|
000109f0  58 25 0d 6a 54 10 64 72  61 77 5f 70 25 21 34 3d  |X%.jT.draw_p%!4=|
00010a00  59 25 0d 6a 5e 0e 64 72  61 77 5f 70 25 2b 3d 38  |Y%.j^.draw_p%+=8|
00010a10  0d 6a 68 0e 48 25 3d 34  2d a9 41 24 83 34 0d 6a  |.jh.H%=4-.A$.4.j|
00010a20  72 17 24 64 72 61 77 5f  70 25 3d 41 24 2b c4 48  |r.$draw_p%=A$+.H|
00010a30  25 2c bd 30 29 0d 6a 7c  13 64 72 61 77 5f 70 25  |%,.0).j|.draw_p%|
00010a40  2b 3d a9 41 24 2b 48 25  0d 6a 86 0b f2 65 6e 64  |+=.A$+H%.j...end|
00010a50  6f 62 6a 0d 6a 90 05 e1  0d 6a 9a 04 0d 6a a4 04  |obj.j....j...j..|
00010a60  0d 6a ae 04 0d 6a b8 33  dd f2 73 74 61 72 74 70  |.j...j.3..startp|
00010a70  61 74 68 28 58 25 2c 59  25 2c 66 69 6c 6c 63 6f  |ath(X%,Y%,fillco|
00010a80  6c 25 2c 6c 69 6e 65 63  6f 6c 25 2c 6c 69 6e 65  |l%,linecol%,line|
00010a90  74 68 69 63 6b 25 29 0d  6a c2 10 f2 73 74 61 72  |thick%).j...star|
00010aa0  74 6f 62 6a 28 32 29 0d  6a cc 15 21 64 72 61 77  |tobj(2).j..!draw|
00010ab0  5f 70 25 3d 66 69 6c 6c  63 6f 6c 25 0d 6a d6 16  |_p%=fillcol%.j..|
00010ac0  64 72 61 77 5f 70 25 21  34 3d 6c 69 6e 65 63 6f  |draw_p%!4=lineco|
00010ad0  6c 25 0d 6a e0 0e 64 72  61 77 5f 70 25 2b 3d 38  |l%.j..draw_p%+=8|
00010ae0  0d 6a ea 17 21 64 72 61  77 5f 70 25 3d 6c 69 6e  |.j..!draw_p%=lin|
00010af0  65 74 68 69 63 6b 25 0d  6a f4 11 64 72 61 77 5f  |ethick%.j..draw_|
00010b00  70 25 21 34 3d 32 5e 36  0d 6a fe 0e 64 72 61 77  |p%!4=2^6.j..draw|
00010b10  5f 70 25 2b 3d 38 0d 6b  08 0e 21 64 72 61 77 5f  |_p%+=8.k..!draw_|
00010b20  70 25 3d 32 0d 6b 12 10  64 72 61 77 5f 70 25 21  |p%=2.k..draw_p%!|
00010b30  34 3d 58 25 0d 6b 1c 10  64 72 61 77 5f 70 25 21  |4=X%.k..draw_p%!|
00010b40  38 3d 59 25 0d 6b 26 0f  64 72 61 77 5f 70 25 2b  |8=Y%.k&.draw_p%+|
00010b50  3d 31 32 0d 6b 30 05 e1  0d 6b 3a 04 0d 6b 44 13  |=12.k0...k:..kD.|
00010b60  dd f2 64 72 61 77 74 6f  28 58 25 2c 59 25 29 0d  |..drawto(X%,Y%).|
00010b70  6b 4e 0e 21 64 72 61 77  5f 70 25 3d 38 0d 6b 58  |kN.!draw_p%=8.kX|
00010b80  10 64 72 61 77 5f 70 25  21 34 3d 58 25 0d 6b 62  |.draw_p%!4=X%.kb|
00010b90  10 64 72 61 77 5f 70 25  21 38 3d 59 25 0d 6b 6c  |.draw_p%!8=Y%.kl|
00010ba0  0f 64 72 61 77 5f 70 25  2b 3d 31 32 0d 6b 76 05  |.draw_p%+=12.kv.|
00010bb0  e1 0d 6b 80 04 0d 6b 8a  04 0d 6b 94 13 dd f2 6d  |..k...k...k....m|
00010bc0  6f 76 65 74 6f 28 58 25  2c 59 25 29 0d 6b 9e 0e  |oveto(X%,Y%).k..|
00010bd0  21 64 72 61 77 5f 70 25  3d 32 0d 6b a8 10 64 72  |!draw_p%=2.k..dr|
00010be0  61 77 5f 70 25 21 34 3d  58 25 0d 6b b2 10 64 72  |aw_p%!4=X%.k..dr|
00010bf0  61 77 5f 70 25 21 38 3d  59 25 0d 6b bc 0f 64 72  |aw_p%!8=Y%.k..dr|
00010c00  61 77 5f 70 25 2b 3d 31  32 0d 6b c6 05 e1 0d 6b  |aw_p%+=12.k....k|
00010c10  d0 04 0d 6b da 04 0d 6b  e4 0d dd f2 65 6e 64 70  |...k...k....endp|
00010c20  61 74 68 0d 6b ee 0e 21  64 72 61 77 5f 70 25 3d  |ath.k..!draw_p%=|
00010c30  30 0d 6b f8 0e 64 72 61  77 5f 70 25 2b 3d 34 0d  |0.k..draw_p%+=4.|
00010c40  6c 02 0b f2 65 6e 64 6f  62 6a 0d 6c 0c 05 e1 0d  |l...endobj.l....|
00010c50  6c 16 04 0d 6c 20 0f dd  f2 63 6c 6f 73 65 70 61  |l...l ...closepa|
00010c60  74 68 0d 6c 2a 0e 21 64  72 61 77 5f 70 25 3d 35  |th.l*.!draw_p%=5|
00010c70  0d 6c 34 0e 64 72 61 77  5f 70 25 2b 3d 34 0d 6c  |.l4.draw_p%+=4.l|
00010c80  3e 0c f2 65 6e 64 70 61  74 68 0d 6c 48 05 e1 0d  |>..endpath.lH...|
00010c90  6c 52 07 f2 63 73 0d 6c  5c 05 e1 0d 6c 66 04 0d  |lR..cs.l\...lf..|
00010ca0  6c 70 23 dd f2 62 65 7a  69 65 72 28 58 25 2c 59  |lp#..bezier(X%,Y|
00010cb0  25 2c 78 31 25 2c 79 31  25 2c 78 32 25 2c 79 32  |%,x1%,y1%,x2%,y2|
00010cc0  25 29 0d 6c 7a 36 21 64  72 61 77 5f 70 25 3d 36  |%).lz6!draw_p%=6|
00010cd0  3a 64 72 61 77 5f 70 25  21 34 3d 78 31 25 3a 64  |:draw_p%!4=x1%:d|
00010ce0  72 61 77 5f 70 25 21 38  3d 79 31 25 3a 64 72 61  |raw_p%!8=y1%:dra|
00010cf0  77 5f 70 25 2b 3d 31 32  0d 6c 84 29 21 64 72 61  |w_p%+=12.l.)!dra|
00010d00  77 5f 70 25 3d 78 32 25  3a 64 72 61 77 5f 70 25  |w_p%=x2%:draw_p%|
00010d10  21 34 3d 79 32 25 3a 64  72 61 77 5f 70 25 2b 3d  |!4=y2%:draw_p%+=|
00010d20  38 0d 6c 8e 27 21 64 72  61 77 5f 70 25 3d 58 25  |8.l.'!draw_p%=X%|
00010d30  3a 64 72 61 77 5f 70 25  21 34 3d 59 25 3a 64 72  |:draw_p%!4=Y%:dr|
00010d40  61 77 5f 70 25 2b 3d 38  0d 6c 98 05 e1 0d 6c a2  |aw_p%+=8.l....l.|
00010d50  04 0d 6c ac 33 dd f2 63  69 72 63 6c 65 28 58 25  |..l.3..circle(X%|
00010d60  2c 59 25 2c 52 25 2c 66  69 6c 6c 63 6f 6c 25 2c  |,Y%,R%,fillcol%,|
00010d70  6c 69 6e 65 63 6f 6c 25  2c 6c 69 6e 65 74 68 69  |linecol%,linethi|
00010d80  63 6b 25 29 0d 6c b6 06  ea 66 0d 6c c0 12 66 3d  |ck%).l...f.l..f=|
00010d90  b5 b2 33 33 2e 33 33 33  33 33 33 33 0d 6c ca 13  |..33.3333333.l..|
00010da0  58 25 3d 58 25 2a 32 30  30 2b 35 30 30 30 30 0d  |X%=X%*200+50000.|
00010db0  6c d4 0d 59 25 3d 59 25  2a 32 30 30 0d 6c de 0d  |l..Y%=Y%*200.l..|
00010dc0  52 25 3d 52 25 2a 32 30  30 0d 6c e8 35 f2 73 74  |R%=R%*200.l.5.st|
00010dd0  61 72 74 70 61 74 68 28  58 25 2c 59 25 2b 52 25  |artpath(X%,Y%+R%|
00010de0  2c 66 69 6c 6c 63 6f 6c  25 2c 6c 69 6e 65 63 6f  |,fillcol%,lineco|
00010df0  6c 25 2c 6c 69 6e 65 74  68 69 63 6b 25 29 0d 6c  |l%,linethick%).l|
00010e00  f2 31 f2 62 65 7a 69 65  72 28 58 25 2d 52 25 2c  |.1.bezier(X%-R%,|
00010e10  59 25 2c 58 25 2d 52 25  2a 66 2c 59 25 2b 52 25  |Y%,X%-R%*f,Y%+R%|
00010e20  2c 58 25 2d 52 25 2c 59  25 2b 52 25 2a 66 29 0d  |,X%-R%,Y%+R%*f).|
00010e30  6c fc 31 f2 62 65 7a 69  65 72 28 58 25 2c 59 25  |l.1.bezier(X%,Y%|
00010e40  2d 52 25 2c 58 25 2d 52  25 2c 59 25 2d 52 25 2a  |-R%,X%-R%,Y%-R%*|
00010e50  66 2c 58 25 2d 52 25 2a  66 2c 59 25 2d 52 25 29  |f,X%-R%*f,Y%-R%)|
00010e60  0d 6d 06 31 f2 62 65 7a  69 65 72 28 58 25 2b 52  |.m.1.bezier(X%+R|
00010e70  25 2c 59 25 2c 58 25 2b  52 25 2a 66 2c 59 25 2d  |%,Y%,X%+R%*f,Y%-|
00010e80  52 25 2c 58 25 2b 52 25  2c 59 25 2d 52 25 2a 66  |R%,X%+R%,Y%-R%*f|
00010e90  29 0d 6d 10 31 f2 62 65  7a 69 65 72 28 58 25 2c  |).m.1.bezier(X%,|
00010ea0  59 25 2b 52 25 2c 58 25  2b 52 25 2c 59 25 2b 52  |Y%+R%,X%+R%,Y%+R|
00010eb0  25 2a 66 2c 58 25 2b 52  25 2a 66 2c 59 25 2b 52  |%*f,X%+R%*f,Y%+R|
00010ec0  25 29 0d 6d 1a 0e f2 63  6c 6f 73 65 70 61 74 68  |%).m...closepath|
00010ed0  0d 6d 24 05 e1 0d 6d 2e  04 0d 6d 38 04 0d 6d 42  |.m$...m...m8..mB|
00010ee0  04 0d 6d 4c 04 0d 6d 56  16 dd f2 73 61 76 65 5f  |..mL..mV...save_|
00010ef0  64 72 61 77 28 6e 61 6d  65 24 29 0d 6d 60 07 ea  |draw(name$).m`..|
00010f00  54 25 0d 6d 6a 34 ff 22  53 61 76 65 20 22 2b 6e  |T%.mj4."Save "+n|
00010f10  61 6d 65 24 2b 22 20 22  2b c3 7e 64 72 61 77 5f  |ame$+" "+.~draw_|
00010f20  61 72 72 61 79 25 2b 22  20 22 2b c3 7e 28 64 65  |array%+" "+.~(de|
00010f30  6e 64 25 2b 34 29 0d 6d  74 1c ff 22 53 65 74 74  |nd%+4).mt.."Sett|
00010f40  79 70 65 20 22 2b 6e 61  6d 65 24 2b 22 20 41 46  |ype "+name$+" AF|
00010f50  46 22 0d 6d 7e 05 e1 0d  6d 88 04 0d 6d 92 04 0d  |F".m~...m...m...|
00010f60  6d 9c 04 0d 6d a6 04 0d  6d b0 0d dd a4 7a 74 73  |m...m...m....zts|
00010f70  28 54 25 29 0d 6d ba 07  ea 54 24 0d 6d c4 0c c8  |(T%).m...T$.m...|
00010f80  95 3f 54 25 3c 3e 30 0d  6d ce 0c 54 24 2b 3d bd  |.?T%<>0.m..T$+=.|
00010f90  3f 54 25 0d 6d d8 09 54  25 2b 3d 31 0d 6d e2 05  |?T%.m..T%+=1.m..|
00010fa0  ce 0d 6d ec 07 3d 54 24  0d 6d f6 04 0d 6e 00 04  |..m..=T$.m...n..|
00010fb0  0d 6e 0a 04 0d 6e 14 04  0d 6e 1e 04 0d 6e 28 04  |.n...n...n...n(.|
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000110b0  0d 6e aa 05 e1 0d 6e b4  04 0d 6e be 04 0d 6e c8  |.n....n...n...n.|
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00011180  6f 18 0f 20 20 6d 6f 76  65 25 20 3d 20 b9 0d 6f  |o..  move% = ..o|
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000111b0  20 58 25 20 3d 20 30 20  b8 20 31 32 37 36 20 88  | X% = 0 . 1276 .|
000111c0  20 34 0d 6f 36 18 20 20  20 20 79 25 20 3d 62 61  | 4.o6.    y% =ba|
000111d0  73 65 25 21 28 58 25 2a  34 29 0d 6f 40 13 20 20  |se%!(X%*4).o@.  |
000111e0  20 20 20 20 e7 20 6d 6f  76 65 25 20 8c 0d 6f 4a  |    . move% ..oJ|
000111f0  24 20 20 20 20 20 20 20  20 20 f2 70 6f 69 6e 74  |$         .point|
00011200  5f 6d 6f 76 65 28 58 25  2c 79 25 2b 31 30 30 30  |_move(X%,y%+1000|
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00011240  0d 6f 68 0b 20 20 20 20  20 20 cd 0d 6f 72 07 20  |.oh.      ..or. |
00011250  20 ed 0d 6f 7c 0f 20 20  20 f2 65 6e 64 70 61 74  | ..o|.   .endpat|
00011260  68 0d 6f 86 06 20 cd 0d  6f 90 05 ed 0d 6f 9a 05  |h.o.. ..o....o..|
00011270  e1 0d 6f a4 05 20 0d 6f  ae 1a dd 20 f2 64 72 61  |..o.. .o... .dra|
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00011290  0d 6f b8 10 ea 20 74 78  25 2c 74 79 25 2c 74 24  |.o... tx%,ty%,t$|
000112a0  0d 6f c2 0b 6d 6f 76 65  25 3d a3 0d 6f cc 14 e7  |.o..move%=..o...|
000112b0  20 73 68 6f 77 5f 61 78  65 73 25 20 20 20 8c 0d  | show_axes%   ..|
000112c0  6f d6 21 20 20 f2 73 74  61 72 74 70 61 74 68 28  |o.!  .startpath(|
000112d0  30 2c 32 35 31 32 2c 2d  31 2c 26 46 46 2c 31 29  |0,2512,-1,&FF,1)|
000112e0  0d 6f e0 27 20 20 f2 70  6f 69 6e 74 5f 6d 6f 76  |.o.'  .point_mov|
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00011310  69 6e 74 5f 70 6c 6f 74  28 31 32 38 30 2c 78 5f  |int_plot(1280,x_|
00011320  61 78 65 73 5f 6c 65 76  65 6c 25 2b 31 30 30 30  |axes_level%+1000|
00011330  29 0d 6f f4 27 20 20 f2  70 6f 69 6e 74 5f 6d 6f  |).o.'  .point_mo|
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000113b0  0d 70 12 2d 20 20 f2 70  6f 69 6e 74 5f 70 6c 6f  |.p.-  .point_plo|
000113c0  74 28 20 31 30 34 2c 78  5f 61 78 65 73 5f 6c 65  |t( 104,x_axes_le|
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000113f0  31 31 37 34 2c 78 5f 61  78 65 73 5f 6c 65 76 65  |1174,x_axes_leve|
00011400  6c 25 2d 32 30 2b 31 30  30 30 29 0d 70 26 2e 20  |l%-20+1000).p&. |
00011410  20 f2 70 6f 69 6e 74 5f  70 6c 6f 74 28 20 31 31  | .point_plot( 11|
00011420  37 34 2c 78 5f 61 78 65  73 5f 6c 65 76 65 6c 25  |74,x_axes_level%|
00011430  2b 32 30 2b 31 30 30 30  29 0d 70 30 2d 20 20 f2  |+20+1000).p0-  .|
00011440  70 6f 69 6e 74 5f 6d 6f  76 65 28 20 79 5f 61 78  |point_move( y_ax|
00011450  65 73 5f 6c 65 76 65 6c  25 2d 32 30 2c 2d 38 34  |es_level%-20,-84|
00011460  2b 31 30 30 30 29 0d 70  3a 2d 20 20 f2 70 6f 69  |+1000).p:-  .poi|
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000124f0  6c 5f 73 70 25 2c 20 6f  6c 64 5f 76 61 72 24 2c  |l_sp%, old_var$,|
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00012550  73 70 61 63 65 28 69 6e  70 75 74 24 29 0d 77 d8  |space(input$).w.|
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00012570  20 8c 0d 77 e2 13 20 20  65 72 72 6f 72 5f 6e 6f  | ..w..  error_no|
00012580  25 20 3d 20 35 0d 77 ec  05 cc 0d 77 f6 19 20 20  |% = 5.w....w..  |
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000125b0  65 31 28 6f 6c 64 5f 76  61 72 24 2c 69 6e 70 75  |e1(old_var$,inpu|
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00012610  76 61 72 24 29 0d 78 32  1e 20 20 20 20 f2 76 61  |var$).x2.    .va|
00012620  72 69 61 62 6c 65 28 69  6e 70 75 74 24 2c 76 61  |riable(input$,va|
00012630  72 24 29 0d 78 3c 1c 20  20 20 20 f2 6e 75 6d 62  |r$).x<.    .numb|
00012640  65 72 28 69 6e 70 75 74  24 2c 76 61 72 24 29 0d  |er(input$,var$).|
00012650  78 46 28 20 20 20 20 f2  61 6e 61 6c 79 73 65 28  |xF(    .analyse(|
00012660  76 61 72 24 2c 69 6e 70  75 74 24 2c 65 72 72 6f  |var$,input$,erro|
00012670  72 25 2c 65 6e 25 29 0d  78 50 12 20 20 20 20 e7  |r%,en%).xP.    .|
00012680  20 65 72 72 6f 72 25 20  8c 0d 78 5a 15 20 20 20  | error% ..xZ.   |
00012690  20 20 20 65 72 72 6f 72  5f 6e 6f 25 3d 31 0d 78  |   error_no%=1.x|
000126a0  64 09 20 20 20 20 cc 0d  78 6e 1b 20 20 20 20 20  |d.    ..xn.     |
000126b0  20 f2 62 75 69 6c 64 28  65 72 72 6f 72 5f 6e 6f  | .build(error_no|
000126c0  25 29 0d 78 78 1b 20 20  20 20 20 20 e7 20 65 72  |%).xx.      . er|
000126d0  72 6f 72 5f 6e 6f 25 20  3d 20 30 20 8c 0d 78 82  |ror_no% = 0 ..x.|
000126e0  24 20 20 20 20 20 20 20  20 20 f2 72 65 73 75 6c  |$         .resul|
000126f0  74 28 6f 75 74 70 75 74  24 2c 65 72 72 6f 72 25  |t(output$,error%|
00012700  29 0d 78 8c 25 20 20 20  20 20 20 20 20 20 e7 20  |).x.%         . |
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00012720  6f 25 20 3d 20 34 0d 78  96 0b 20 20 20 20 20 20  |o% = 4.x..      |
00012730  cd 0d 78 a0 09 20 20 20  20 cd 0d 78 aa 07 20 20  |..x..    ..x..  |
00012740  cd 0d 78 b4 1d 20 20 f2  62 61 63 6b 28 6f 75 74  |..x..  .back(out|
00012750  70 75 74 24 2c 6f 6c 64  5f 76 61 72 24 29 0d 78  |put$,old_var$).x|
00012760  be 05 cd 0d 78 c8 20 e7  20 65 72 72 6f 72 5f 6e  |....x. . error_n|
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00012780  3d 22 22 0d 78 d2 05 e1  0d 78 dc 05 3a 0d 78 e6  |="".x....x..:.x.|
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000127a0  65 28 f8 20 6c 69 6e 65  24 2c 76 24 29 0d 78 fa  |e(. line$,v$).x.|
000127b0  1a ea 20 63 24 2c 70 6f  69 6e 74 65 72 25 2c 6e  |.. c$,pointer%,n|
000127c0  65 77 24 2c 6f 70 24 0d  79 04 10 6f 70 24 3d 22  |ew$,op$.y..op$="|
000127d0  2b 2d 2a 2f 5e 29 22 0d  79 0e 0d 6e 65 77 24 20  |+-*/^)".y..new$ |
000127e0  3d 20 22 22 0d 79 18 13  e7 20 a9 20 6c 69 6e 65  |= "".y... . line|
000127f0  24 20 3e 20 31 20 8c 0d  79 22 21 e3 20 70 6f 69  |$ > 1 ..y"!. poi|
00012800  6e 74 65 72 25 20 3d 20  31 20 b8 20 20 a9 20 28  |nter% = 1 .  . (|
00012810  6c 69 6e 65 24 29 2d 31  0d 79 2c 1e 20 20 63 24  |line$)-1.y,.  c$|
00012820  20 3d 20 c1 6c 69 6e 65  24 2c 20 70 6f 69 6e 74  | = .line$, point|
00012830  65 72 25 2c 31 29 0d 79  36 12 20 20 6e 65 77 24  |er%,1).y6.  new$|
00012840  3d 6e 65 77 24 2b 63 24  0d 79 40 32 20 20 e7 20  |=new$+c$.y@2  . |
00012850  20 63 24 3d 20 76 24 20  80 20 a7 6f 70 24 2c c1  | c$= v$ . .op$,.|
00012860  6c 69 6e 65 24 2c 70 6f  69 6e 74 65 72 25 2b 31  |line$,pointer%+1|
00012870  2c 31 29 29 20 3d 20 30  20 8c 0d 79 4a 19 20 20  |,1)) = 0 ..yJ.  |
00012880  20 20 20 20 20 20 6e 65  77 24 3d 6e 65 77 24 2b  |      new$=new$+|
00012890  22 2a 22 0d 79 54 07 20  20 cd 0d 79 5e 2e 20 20  |"*".yT.  ..y^.  |
000128a0  e7 20 20 63 24 3d 20 22  29 22 20 80 20 c1 6c 69  |.  c$= ")" . .li|
000128b0  6e 65 24 2c 70 6f 69 6e  74 65 72 25 2b 31 2c 31  |ne$,pointer%+1,1|
000128c0  29 20 3d 22 28 22 20 8c  0d 79 68 19 20 20 20 20  |) ="(" ..yh.    |
000128d0  20 20 20 20 6e 65 77 24  3d 6e 65 77 24 2b 22 2a  |    new$=new$+"*|
000128e0  22 0d 79 72 07 20 20 cd  0d 79 7c 05 ed 0d 79 86  |".yr.  ..y|...y.|
000128f0  17 6e 65 77 24 3d 6e 65  77 24 2b c2 6c 69 6e 65  |.new$=new$+.line|
00012900  24 2c 31 29 0d 79 90 05  cc 0d 79 9a 12 20 20 6e  |$,1).y....y..  n|
00012910  65 77 24 20 3d 20 6c 69  6e 65 24 0d 79 a4 05 cd  |ew$ = line$.y...|
00012920  0d 79 ae 0e 6c 69 6e 65  24 3d 6e 65 77 24 0d 79  |.y..line$=new$.y|
00012930  b8 05 e1 0d 79 c2 05 3a  0d 79 cc 05 3a 0d 79 d6  |....y..:.y..:.y.|
00012940  1b dd 20 f2 6e 75 6d 62  65 72 28 f8 20 6c 69 6e  |.. .number(. lin|
00012950  65 24 2c 76 61 72 24 29  0d 79 e0 1f ea 20 63 24  |e$,var$).y... c$|
00012960  2c 70 6f 69 6e 74 65 72  25 2c 6e 65 77 24 2c 6f  |,pointer%,new$,o|
00012970  70 24 2c 6e 75 6d 24 0d  79 ea 10 6f 70 24 3d 22  |p$,num$.y..op$="|
00012980  2b 2d 2a 2f 5e 29 22 0d  79 f4 16 6e 75 6d 24 3d  |+-*/^)".y..num$=|
00012990  22 30 31 32 33 34 35 36  37 38 39 2e 22 0d 79 fe  |"0123456789.".y.|
000129a0  0d 6e 65 77 24 20 3d 20  22 22 0d 7a 08 13 e7 20  |.new$ = "".z... |
000129b0  a9 20 6c 69 6e 65 24 20  3e 20 31 20 8c 0d 7a 12  |. line$ > 1 ..z.|
000129c0  21 e3 20 70 6f 69 6e 74  65 72 25 20 3d 20 31 20  |!. pointer% = 1 |
000129d0  b8 20 20 a9 20 28 6c 69  6e 65 24 29 2d 31 0d 7a  |.  . (line$)-1.z|
000129e0  1c 11 20 20 20 20 6e 75  6d 62 65 72 25 3d a3 0d  |..    number%=..|
000129f0  7a 26 1b 20 20 20 20 6e  65 78 74 5f 6e 6f 74 5f  |z&.    next_not_|
00012a00  6e 6f 5f 6f 70 25 20 3d  20 a3 0d 7a 30 1e 20 20  |no_op% = ..z0.  |
00012a10  63 24 20 3d 20 c1 6c 69  6e 65 24 2c 20 70 6f 69  |c$ = .line$, poi|
00012a20  6e 74 65 72 25 2c 31 29  0d 7a 3a 20 20 20 6e 24  |nter%,1).z:   n$|
00012a30  20 3d 20 c1 6c 69 6e 65  24 2c 20 70 6f 69 6e 74  | = .line$, point|
00012a40  65 72 25 2b 31 2c 31 29  0d 7a 44 12 20 20 6e 65  |er%+1,1).zD.  ne|
00012a50  77 24 3d 6e 65 77 24 2b  63 24 0d 7a 4e 23 20 20  |w$=new$+c$.zN#  |
00012a60  e7 20 a7 6e 75 6d 24 2c  63 24 29 20 3e 20 30 20  |. .num$,c$) > 0 |
00012a70  8c 20 6e 75 6d 62 65 72  25 20 3d 20 b9 0d 7a 58  |. number% = ..zX|
00012a80  2f 20 20 e7 20 a7 6f 70  24 2b 6e 75 6d 24 2c 6e  |/  . .op$+num$,n|
00012a90  24 29 20 3d 20 30 20 8c  20 6e 65 78 74 5f 6e 6f  |$) = 0 . next_no|
00012aa0  74 5f 6e 6f 5f 6f 70 25  20 3d 20 b9 0d 7a 62 23  |t_no_op% = ..zb#|
00012ab0  20 20 e7 20 6e 75 6d 62  65 72 25 20 80 20 6e 65  |  . number% . ne|
00012ac0  78 74 5f 6e 6f 74 5f 6e  6f 5f 6f 70 25 20 8c 0d  |xt_not_no_op% ..|
00012ad0  7a 6c 33 20 20 20 20 e7  20 6e 24 3d 76 61 72 24  |zl3    . n$=var$|
00012ae0  20 8c 20 20 20 6e 65 77  24 3d 6e 65 77 24 2b 22  | .   new$=new$+"|
00012af0  23 22 20 8b 20 6e 65 77  24 3d 6e 65 77 24 2b 22  |#" . new$=new$+"|
00012b00  2a 22 0d 7a 76 07 20 20  cd 0d 7a 80 05 ed 0d 7a  |*".zv.  ..z....z|
00012b10  8a 17 6e 65 77 24 3d 6e  65 77 24 2b c2 6c 69 6e  |..new$=new$+.lin|
00012b20  65 24 2c 31 29 0d 7a 94  05 cc 0d 7a 9e 11 20 6e  |e$,1).z....z.. n|
00012b30  65 77 24 20 3d 20 6c 69  6e 65 24 0d 7a a8 05 cd  |ew$ = line$.z...|
00012b40  0d 7a b2 0e 6c 69 6e 65  24 3d 6e 65 77 24 0d 7a  |.z..line$=new$.z|
00012b50  bc 05 e1 0d 7a c6 05 3a  0d 7a d0 05 3a 0d 7a da  |....z..:.z..:.z.|
00012b60  05 3a 0d 7a e4 05 3a 0d  7a ee 05 3a 0d 7a f8 05  |.:.z..:.z..:.z..|
00012b70  3a 0d 7b 02 1c dd 20 f2  75 6e 61 72 79 28 20 f8  |:.{... .unary( .|
00012b80  20 6c 69 6e 65 24 2c 20  76 61 72 24 29 0d 7b 0c  | line$, var$).{.|
00012b90  27 ea 20 63 24 2c 20 70  6f 69 6e 74 65 72 25 2c  |'. c$, pointer%,|
00012ba0  20 6e 65 77 24 2c 20 6e  75 6d 24 2c 70 24 2c 63  | new$, num$,p$,c|
00012bb0  68 61 72 24 0d 7b 16 1f  6e 75 6d 24 20 3d 20 22  |har$.{..num$ = "|
00012bc0  30 31 32 33 34 35 36 37  38 39 2e 28 29 22 2b 76  |0123456789.()"+v|
00012bd0  61 72 24 0d 7b 20 0b 6e  65 77 24 3d 22 22 0d 7b  |ar$.{ .new$="".{|
00012be0  2a 1c e3 20 70 6f 69 6e  74 65 72 25 20 3d 20 31  |*.. pointer% = 1|
00012bf0  20 b8 20 a9 20 6c 69 6e  65 24 0d 7b 34 1e 20 20  | . . line$.{4.  |
00012c00  63 24 20 3d 20 c1 6c 69  6e 65 24 2c 20 70 6f 69  |c$ = .line$, poi|
00012c10  6e 74 65 72 25 2c 31 29  0d 7b 3e 20 20 20 70 24  |nter%,1).{>   p$|
00012c20  20 3d 20 c1 6c 69 6e 65  24 2c 20 70 6f 69 6e 74  | = .line$, point|
00012c30  65 72 25 2d 31 2c 31 29  0d 7b 48 10 20 20 63 68  |er%-1,1).{H.  ch|
00012c40  61 72 24 20 3d 20 63 24  0d 7b 52 1e 20 20 e7 20  |ar$ = c$.{R.  . |
00012c50  70 6f 69 6e 74 65 72 25  20 3d 31 20 80 20 63 24  |pointer% =1 . c$|
00012c60  3d 22 2d 22 20 8c 0d 7b  5c 14 20 20 20 20 20 63  |="-" ..{\.     c|
00012c70  68 61 72 24 20 3d 20 22  7e 22 0d 7b 66 07 20 20  |har$ = "~".{f.  |
00012c80  cc 0d 7b 70 31 20 20 20  20 20 e7 20 63 24 20 3d  |..{p1     . c$ =|
00012c90  20 22 2d 22 20 80 20 a7  6e 75 6d 24 2c 70 24 29  | "-" . .num$,p$)|
00012ca0  20 3d 20 30 20 8c 20 63  68 61 72 24 20 3d 20 22  | = 0 . char$ = "|
00012cb0  7e 22 0d 7b 7a 07 20 20  cd 0d 7b 84 2d 20 20 e7  |~".{z.  ..{.-  .|
00012cc0  20 63 24 20 3d 20 22 2b  22 20 80 20 a7 6e 75 6d  | c$ = "+" . .num|
00012cd0  24 2c 70 24 29 20 3d 20  30 20 8c 20 63 68 61 72  |$,p$) = 0 . char|
00012ce0  24 20 3d 20 22 22 0d 7b  8e 19 20 20 6e 65 77 24  |$ = "".{..  new$|
00012cf0  20 3d 20 6e 65 77 24 20  2b 20 63 68 61 72 24 0d  | = new$ + char$.|
00012d00  7b 98 05 ed 0d 7b a2 10  6c 69 6e 65 24 20 3d 20  |{....{..line$ = |
00012d10  6e 65 77 24 0d 7b ac 05  e1 0d 7b b6 05 3a 0d 7b  |new$.{....{..:.{|
00012d20  c0 05 3a 0d 7b ca 05 3a  0d 7b d4 2d dd 20 f2 61  |..:.{..:.{.-. .a|
00012d30  6e 61 6c 79 73 65 28 76  61 72 24 2c 66 75 6e 63  |nalyse(var$,func|
00012d40  74 69 6f 6e 24 2c f8 20  65 72 72 6f 72 25 2c f8  |tion$,. error%,.|
00012d50  20 65 6e 25 29 0d 7b de  11 ea 20 74 65 72 6d 24  | en%).{... term$|
00012d60  2c 70 72 65 63 25 0d 7b  e8 0a 65 6e 25 20 3d 31  |,prec%.{..en% =1|
00012d70  0d 7b f2 0e 65 72 72 6f  72 25 20 3d 20 a3 0d 7b  |.{..error% = ..{|
00012d80  fc 0f f2 69 6e 69 74 5f  73 74 61 63 6b 0d 7c 06  |...init_stack.|.|
00012d90  0d f2 69 6e 69 74 5f 61  64 64 0d 7c 10 21 c8 95  |..init_add.|.!..|
00012da0  20 a9 20 66 75 6e 63 74  69 6f 6e 24 20 3e 30 20  | . function$ >0 |
00012db0  20 80 20 ac 20 65 72 72  6f 72 25 0d 7c 1a 37 20  | . . error%.|.7 |
00012dc0  20 f2 6c 65 78 69 63 61  6c 28 76 61 72 24 2c 66  | .lexical(var$,f|
00012dd0  75 6e 63 74 69 6f 6e 24  2c 74 65 72 6d 24 2c 20  |unction$,term$, |
00012de0  70 72 65 63 25 2c 20 65  72 72 6f 72 25 2c 65 6e  |prec%, error%,en|
00012df0  25 29 0d 7c 24 1e 20 20  f2 61 64 64 5f 74 6f 5f  |%).|$.  .add_to_|
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00014880  63 28 f8 20 66 24 29 0d  8a 34 2a 66 24 3d 20 a4  |c(. f$)..4*f$= .|
00014890  72 65 70 6c 61 63 65 28  66 24 2c 22 41 52 43 54  |replace(f$,"ARCT|
000148a0  41 4e 48 22 2c 22 46 4e  61 72 63 74 61 6e 68 22  |ANH","FNarctanh"|
000148b0  29 0d 8a 3e 2a 66 24 3d  20 a4 72 65 70 6c 61 63  |)..>*f$= .replac|
000148c0  65 28 66 24 2c 22 41 52  43 43 4f 53 48 22 2c 22  |e(f$,"ARCCOSH","|
000148d0  46 4e 61 72 63 63 6f 73  68 22 29 0d 8a 48 2a 66  |FNarccosh")..H*f|
000148e0  24 3d 20 a4 72 65 70 6c  61 63 65 28 66 24 2c 22  |$= .replace(f$,"|
000148f0  41 52 43 53 49 4e 48 22  2c 22 46 4e 61 72 63 73  |ARCSINH","FNarcs|
00014900  69 6e 68 22 29 0d 8a 52  24 66 24 3d 20 a4 72 65  |inh")..R$f$= .re|
00014910  70 6c 61 63 65 28 66 24  2c 22 53 49 4e 48 22 2c  |place(f$,"SINH",|
00014920  22 46 4e 73 69 6e 68 22  29 0d 8a 5c 24 66 24 3d  |"FNsinh")..\$f$=|
00014930  20 a4 72 65 70 6c 61 63  65 28 66 24 2c 22 43 4f  | .replace(f$,"CO|
00014940  53 48 22 2c 22 46 4e 63  6f 73 68 22 29 0d 8a 66  |SH","FNcosh")..f|
00014950  24 66 24 3d 20 a4 72 65  70 6c 61 63 65 28 66 24  |$f$= .replace(f$|
00014960  2c 22 54 41 4e 48 22 2c  22 46 4e 74 61 6e 68 22  |,"TANH","FNtanh"|
00014970  29 0d 8a 70 24 66 24 3d  20 a4 72 65 70 6c 61 63  |)..p$f$= .replac|
00014980  65 28 66 24 2c 22 46 41  43 54 22 2c 22 46 4e 66  |e(f$,"FACT","FNf|
00014990  61 63 74 22 29 0d 8a 7a  10 e7 20 64 65 67 72 65  |act")..z.. degre|
000149a0  65 73 25 20 8c 0d 8a 84  24 66 24 20 3d 20 a4 72  |es% ....$f$ = .r|
000149b0  65 70 6c 61 63 65 28 66  24 2c 22 53 49 4e 22 2c  |eplace(f$,"SIN",|
000149c0  22 53 49 4e 52 41 44 22  29 0d 8a 8e 24 66 24 20  |"SINRAD")...$f$ |
000149d0  3d 20 a4 72 65 70 6c 61  63 65 28 66 24 2c 22 43  |= .replace(f$,"C|
000149e0  4f 53 22 2c 22 43 4f 53  52 41 44 22 29 0d 8a 98  |OS","COSRAD")...|
000149f0  24 66 24 20 3d 20 a4 72  65 70 6c 61 63 65 28 66  |$f$ = .replace(f|
00014a00  24 2c 22 54 41 4e 22 2c  22 54 41 4e 52 41 44 22  |$,"TAN","TANRAD"|
00014a10  29 0d 8a a2 24 66 24 20  3d 20 a4 72 65 70 6c 61  |)...$f$ = .repla|
00014a20  63 65 28 66 24 2c 22 41  53 4e 22 2c 22 44 45 47  |ce(f$,"ASN","DEG|
00014a30  41 53 4e 22 29 0d 8a ac  24 66 24 20 3d 20 a4 72  |ASN")...$f$ = .r|
00014a40  65 70 6c 61 63 65 28 66  24 2c 22 41 54 4e 22 2c  |eplace(f$,"ATN",|
00014a50  22 44 45 47 41 54 4e 22  29 0d 8a b6 24 66 24 20  |"DEGATN")...$f$ |
00014a60  3d 20 a4 72 65 70 6c 61  63 65 28 66 24 2c 22 41  |= .replace(f$,"A|
00014a70  43 53 22 2c 22 44 45 47  41 43 53 22 29 0d 8a c0  |CS","DEGACS")...|
00014a80  05 cd 0d 8a ca 05 e1 0d  8a d4 04 0d 8a de 04 0d  |................|
00014a90  8a e8 0c dd 20 f2 44 55  4d 4d 59 0d 8a f2 05 e1  |.... .DUMMY.....|
00014aa0  0d 8a fc 04 0d 8b 06 04  0d 8b 10 04 0d ff        |..............|
00014aae