Home » Archimedes archive » Archimedes World » AW-1992-03.adf » AWMar92 » !AWMar92/Goodies/StarGazer/!stargazer/stargazer

!AWMar92/Goodies/StarGazer/!stargazer/stargazer

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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Filename: !AWMar92/Goodies/StarGazer/!stargazer/stargazer
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   10REM > Stargazer - wimp version with Sprites
   20REM > Version 6.00 - Special release for Archimedes World 13/01/92
   30REM > Version 5.40 - Misc minor enhancements
   40REM > Version 5.00 - Added planet data
   50REM > Version 4.00 - Includes basic compiler code changes
   60REM > Version 3.00 - includes auto update algorithm
   70REM > Version 2.00 - Constellation plotter added
   80ONERROR PROCerror
   90LIBRARY"<Star$DIR>.WindMan"
  100LIBRARY"<Star$DIR>.SpriteMan"
  110
  120bx%=0:by%=0:sc%=1146:gd%=20:scs%=2:RAHE=12/PI:SIDE=PI/12
  130PROCwimp_init("TASK","StarGazer")
  140PROCsprite_init("<Star$DIR>.sprites","sun")
  150PROCget_info_box("<Star$Dir>.Templates")
  160DIM hw_title% 41:$hw_title%="Horizontal"
  170main%=FNnew_window(hw_title%,800,600,gd%*360,gd%*66)
  180icstar%=FNiconbar("icon",64,64)
  190state%=0
  200PROCsetup
  210REPEAT
  220  REM Standard functionalilty from FNwimp_poll hooks
  230  a%=FNwimp_poll(0,pb%)
  240  IF a%=0 PROCbackground
  250UNTIL FALSE
  260END
  270
  280DEFPROCerror
  290  *CLOSE
  300  PROCerrorbox(ERR,REPORT$+" at line "+STR$ERL)
  310  PROCfinish
  320END
  330ENDPROC
  340
  350REM / These functions Tailor responce to wimp_polls to provide stargazer functionality
  360
  370DEFPROCmenu(msx%,msy%,handle%)
  380  CASE handle% OF
  390    WHEN main%: PROCnew_menu(wind_menu%,msx%-32,msy%+16)
  400    WHEN -2   : PROCnew_menu(icon_menu%,msx%-200,240)
  410  ENDCASE
  420ENDPROC
  430
  440DEFPROCmake_menus
  450  LOCALm%,i%
  460  m%=0
  470  REM space for variable menu items
  480  DIM const_ptr% 16,star_ptr% 16,long_ptr% 16,lat_ptr% 16,int_ptr% 16,span_ptr% 16
  490  lat_menu%  =FNtext_menu("Latitude",lat_ptr%,16,"A0-9dmNS")
  500  long_menu% =FNtext_menu("Longitude",long_ptr%,16,"A0-9dmEW")
  510  const_menu%=FNtext_menu("Const",const_ptr%,16,"Aa-z")
  520  star_menu% =FNtext_menu("Star",star_ptr%,16,"Aa-z")
  530  int_menu%  =FNtext_menu("time step(m)",int_ptr%,16,"A0-9")
  540  span_menu% =FNtext_menu("time span(h)",span_ptr%,16,"A0-9")
  550  $int_ptr%="6"
  560  $span_ptr%="8"
  570
  580  plan_menu%=FNbas_menu(m%,"Planet",192,8)
  590  FORi%=1TO8
  600    PROCadd_item(m%,(i%=8),-1,Planet$(i%))
  610  NEXT
  620
  630  find_menu%=FNbas_menu(m%,"find object",192,5)
  640  PROCadd_item(m%,FALSE,-1,"Sun")
  650  PROCadd_item(m%,FALSE,-1,"Moon")
  660  PROCadd_item(m%,FALSE,plan_menu%,"Planet")
  670  PROCadd_item(m%,FALSE,star_menu%,"Star")
  680  PROCadd_item(m%,TRUE,const_menu%,"Const")
  690
  700  obs_menu%=FNbas_menu(m%,"Observer",192,2)
  710  PROCadd_item(m%,FALSE,long_menu%,"Longitude")
  720  PROCadd_item(m%,TRUE,lat_menu%,"Latitude")
  730
  740  icon_menu%=FNbas_menu(m%,"Star Menu",192,5)
  750  PROCadd_info(m%)
  760  PROCadd_item(m%,FALSE,obs_menu%,"new place")
  770  PROCadd_item(m%,FALSE,-1,"new time")
  780  PROCadd_item(m%,FALSE,-1,"show_sky")
  790  PROCadd_item(m%,TRUE,-1,"quit")
  800
  810  sim_menu%=FNbas_menu(m%,"Simulation",192,2)
  820  PROCadd_item(m%,FALSE,int_menu%,"time step")
  830  PROCadd_item(m%,TRUE,span_menu%,"time span")
  840
  850  wind_menu%=FNbas_menu(m%,"Options",192,6)
  860  PROCadd_item(m%,FALSE,find_menu%,"find object")
  870  PROCadd_item(m%,FALSE,-1,"show consts")
  880  PROCadd_item(m%,FALSE,-1,"zoom in")
  890  PROCadd_item(m%,FALSE,-1,"zoom out")
  900  PROCadd_item(m%,TRUE,sim_menu%,"simulate")
  910  const_draw%=FALSE
  920ENDPROC
  930
  940DEFPROCaction(msx%,msy%,handle%)
  950  CASE handle% OF
  960    WHEN main% : PROCunque(msx%,msy%)
  970    WHEN -2    : PROCactivate
  980  ENDCASE
  990ENDPROC
 1000
 1010DEFPROCadjust(msx%,msy%,handle%)
 1020  CASE handle% OF
 1030    WHEN main% : PROCunque(msx%,msy%)
 1040    WHEN -2    : PROCactivate
 1050  ENDCASE
 1060ENDPROC
 1070
 1080DEFFNhelp(q%)
 1090LOCALm$
 1100  CASE TRUE OF
 1110    WHEN q%!32=-2 AND q%!36=icstar%:m$="This is the Stargazer icon.|MClick on here to display stars"
 1120    WHEN q%!32=main%:m$="This is the horizontal star display window|MClick on here to idenfify stars"
 1130    OTHERWISE :m$=""
 1140  ENDCASE
 1150=m$
 1160
 1170
 1180DEFPROCbackground
 1190  CASE state% OF
 1200    WHEN 0 : PROCget_stars
 1210             PROCinfobox("Star Data "+copyright$,"Last data update "+update$)
 1220             PROCscansky
 1230             state%=4
 1240    WHEN 1 : IF open% PROCredraw_window(main%)
 1250             PROCsettime
 1260             PROCcalc_earth_pos
 1270             state%=2
 1280             obj%=1
 1290    WHEN 2 : IF FNten_stars(obj%) state%=3
 1300    WHEN 3 : PROCcalc_our_galaxy
 1310             state%=4
 1320    WHEN 4 : IF FNlook_next state%=1
 1330    WHEN 5 : PROCscan
 1340  ENDCASE
 1350ENDPROC
 1360
 1370DEFPROCfastscan:LOCALendmin%,endhour%
 1380LOCALstep%,end%,i%
 1390step%=VAL(FNsget(int_ptr%))
 1400end%=VAL(FNsget(span_ptr%))
 1410  IFstep%=0 OR end%=0 THEN
 1420    PROCerrorbox(240,"Bad time parameters")
 1430  ELSE
 1440    num_periods%=60*end%/step%
 1450    obj%=0
 1460    state%=5
 1470  ENDIF
 1480ENDPROC
 1490
 1500DEFPROCscan
 1510  obj%+=1
 1520  IFobj%<num_periods% ANDopen% THEN
 1530    PROCinctime(step%)
 1540    PROCscansky
 1550    PROCredraw_window(main%)
 1560  ELSE
 1570    state%=1
 1580  ENDIF
 1590ENDPROC
 1600
 1610DEFPROCactivate
 1620  PROCpopup(main%,0,1023)
 1630ENDPROC
 1640
 1650
 1660DEFPROCmenuselect(m%,menu%)
 1670  CASE menu% OF
 1680    WHEN wind_menu% :PROCwindm(m%)
 1690    WHEN icon_menu% :PROCiconm(m%)
 1700  ENDCASE
 1710ENDPROC
 1720
 1730DEFPROCwindm(m%)
 1740  CASE !m% OF
 1750    WHEN0 : PROCfind_obj(m%+4)
 1760    WHEN1 : PROCshow_const(const_draw% EOR TRUE):PROCredraw_window(main%)
 1770    WHEN2 : PROCzoom(1)
 1780    WHEN3 : PROCzoom(-1)
 1790    WHEN4 : PROCfastscan
 1800  ENDCASE
 1810ENDPROC
 1820
 1830
 1840DEFPROCiconm(m%)
 1850  CASE !m% OF
 1860    WHEN1 : PROCnew_place
 1870    WHEN2 : PROCsettime:PROCscansky:PROCredraw_window(main%):state%=4
 1880    WHEN3 : PROCpopup(main%,bx%,by%)
 1890    WHEN4 : PROCfinish:END
 1900  ENDCASE
 1910ENDPROC
 1920
 1930DEFPROCfind_obj(m%)
 1940  CASE !m% OF
 1950    WHEN0 : PROCget_obj(9,Xs%,Ys%,"Sun")
 1960    WHEN1 : PROCget_obj(10,Xm%,Ym%,"Moon")
 1970    WHEN2 : p%=1+(m%!4):PROCget_obj(p%,Xp%(p%),Yp%(p%),Planet$(p%))
 1980    WHEN3 : PROCdec_star
 1990    WHEN4 : PROCdec_const
 2000  ENDCASE
 2010ENDPROC
 2020
 2030DEFPROCshow_const(v%)
 2040  const_draw%=v%
 2050  IFconst_draw% PROCtick_item(wind_menu%,1) ELSEPROCuntick_item(wind_menu%,1)
 2060ENDPROC
 2070
 2080DEFPROCdec_star
 2090LOCALi%,s$
 2100  ?star_ptr%-=32
 2110  s$=FNsget(star_ptr%)
 2120  i%=0
 2130  REPEAT
 2140    i%+=1
 2150  UNTIL i%=Named_stars% OR Star$(i%)=s$
 2160  IFStar$(i%)=s$ THEN
 2170    i%=star%(i%)
 2180    PROCget_obj(i%+10,X%(i%),Y%(i%),s$)
 2190  ELSE
 2200    PROCerrorbox(240,"No star named "+s$+" Known")
 2210  ENDIF
 2220  $star_ptr%=""
 2230ENDPROC
 2240
 2250DEFPROCdec_const
 2260LOCALi%,s%,f%,s$
 2270  PROCshow_const(TRUE)
 2280  ?const_ptr%-=32
 2290  s$=FNsget(const_ptr%)
 2300  i%=0
 2310  REPEAT
 2320    i%+=1
 2330  UNTIL i%=num_const OR CN$(i%)=s$
 2340  IFCN$(i%)=s$ THEN
 2350    s%=const%(i%)
 2360    f%=const%(i%+1)
 2370    REPEAT:s%+=1:UNTILY%(s%)>0 ORs%=f%
 2380    PROCget_obj(s%+10,X%(s%),Y%(s%),s$)
 2390  ELSE
 2400    PROCerrorbox(240,"No Constelation named "+s$+" Known")
 2410  ENDIF
 2420  $const_ptr%=""
 2430ENDPROC
 2440
 2450DEFPROCget_obj(i%,x%,y%,n$)
 2460  CASE TRUE OF
 2470    WHEN (y%<0)      :PROCinfobox(n$,"Object is below the Horizon")
 2480    WHEN (y%>gd%*66) :PROCvert_object(i%,x%,y%,n$)
 2490    OTHERWISE        :PROChoriz_object(i%,x%,y%,n$)
 2500  ENDCASE
 2510ENDPROC
 2520
 2530DEFPROCvert_object(i%,x%,y%,n$)
 2540  PROCinfobox(n$,"Object is above 66 degrees")
 2550ENDPROC
 2560
 2570DEFPROChoriz_object(i%,x%,y%,n$)
 2580  PROCscroll_wind(main%,x%,y%,360*gd%,gd%*66)
 2590  MOUSE TO bx%+x%,by%+y%
 2600ENDPROC
 2610
 2620DEFPROCnew_place
 2630  Long=FNget_angle(long_ptr%,"EW",Viewer_Rah*15,"Longitude")
 2640  Lat=FNget_angle(lat_ptr%,"NS",DEG(Viewer_Lat),"Latitude")
 2650  PROCsetpos(Lat,Long)
 2660  PROCcalc_earth_pos
 2670  PROCscansky
 2680  PROCredraw_window(main%)
 2690ENDPROC
 2700
 2710DEFFNget_angle(a%,d$,def,e$)
 2720LOCALd%,m%,s%,s$
 2730  s$=FNsget(a%)
 2740  CASE RIGHT$(s$,1) OF
 2750    WHEN LEFT$(d$,1) :s%=1
 2760    WHEN RIGHT$(d$,1):s%=-1
 2770    OTHERWISE        :s%=0
 2780  ENDCASE
 2790  d%=INSTR(s$,"d")
 2800  m%=INSTR(s$,"m")
 2810  IFs%=0 ORINSTR(s$,"d",d%+1)>0 ORd%<2 OR(m%>0 AND(m%<d%+2 ORm%<LEN(s$)-1)) OR(m%=0 ANDd%<LEN(s$)-1) THEN
 2820    PROCerrorbox(240,e$+" "+s$+" ill formatted"+STR$(d%)+STR$(m%)+STR$(LEN(s$)))
 2830  ELSE
 2840    def=s%*(VAL(LEFT$(s$,d%-1))+VAL(MID$(s$,d%+1,m%-d%-1))/60)
 2850  ENDIF
 2860=def
 2870
 2880DEFPROCzoom(s%)
 2890  sc%=sc%*(2^s%)
 2900  gd%=gd%*(2^s%)
 2910  scs%-=s%
 2920  PROCresize_window(main%,360*gd%,gd%*66)
 2930  PROCscansky
 2940  IFscs%<=0 PROCshade_item(wind_menu%,2) ELSEPROCenable_item(wind_menu%,2)
 2950  IFscs%>=4 PROCshade_item(wind_menu%,3) ELSEPROCenable_item(wind_menu%,3)
 2960  state%=1
 2970ENDPROC
 2980
 2990
 3000
 3010DEFPROCredraw_window(handle%)
 3020LOCALmore%
 3030 $hw_title%="Horizontal View at "+FNstring_time
 3040 IF handle%=main% THEN
 3050    more% = FNget_window(main%,x0%,x1%,y0%,y1%)
 3060    WHILE more%
 3070      PROCupdate_window(x0%,x1%,y0%,y1%)
 3080      more%=FNget_rectangle(main%,x0%,x1%,y0%,y1%)
 3090    ENDWHILE
 3100  ENDIF
 3110ENDPROC
 3120
 3130
 3140REM / Window redrawing routines /
 3150REM / Version 5.2 - Optimised for speed on basic/compiled basic
 3160
 3170DEFPROCupdate_window(x0%,x1%,y0%,y1%)
 3180LOCALi%,f%,a%,b%,t%
 3190REM #register a%
 3200REM #register b%
 3210REM #register i%
 3220REM #register t%
 3230  x0%-=16
 3240  x1%+=16
 3250  y0%-=16
 3260  y1%+=16
 3270  PROChoriz_window
 3280
 3290  IFconst_draw% THEN
 3300    SYS Col%,15
 3310    f%=gd%*90
 3320    FORi%=1TOmax_line%
 3330      a%=ls%(i%)
 3340      b%=lf%(i%)
 3350      IFABS(X%(a%)-X%(b%))<f% MOVEX%(a%)+bx%,Y%(a%)+by%:PLOT&15,X%(b%)+bx%,Y%(b%)+by%
 3360    NEXT
 3370  ENDIF
 3380
 3390  FORi%=1TO sds%
 3400    IFX%(i%)>x0% AND X%(i%)<x1% THEN
 3410      IF Y%(i%)>y0% ANDY%(i%)<y1% THEN
 3420        t%=Mag(i%)+scs%:IFt%<0 t%=0
 3430        IFt%<9 SYSspop%,&234,sprites%,sm%(t%),X%(i%)-o%(t%)+bx%,Y%(i%)-o%(t%)+by%,8,factors%,pixtrans%
 3440      ENDIF
 3450    ENDIF
 3460  NEXT
 3470
 3480  x0%-=20:x1%+=20:y0%-=20:y1%+=20
 3490  FORi%=1TO8
 3500    PROCscale_plot(Xp%(i%),Yp%(i%),Planet$(i%))
 3510  NEXT
 3520  PROCscale_plot(Xm%,Ym%,"moon"+moon_phase$)
 3530  PROCscale_plot(Xs%,Ys%,"sun")
 3540ENDPROC
 3550
 3560DEFPROCscale_plot(x%,y%,s$)
 3570  IFx%>x0% ANDx%<x1% ANDy%>y0% ANDy%<y1% SYS spop%,&134,sprites%,s$,x%+bx%,y%+by%,8,factors%,pixtrans%
 3580ENDPROC
 3590
 3600
 3610DEFPROChoriz_window
 3620LOCALi%,t%,v%,c%
 3630  VDU23,6,1,1,1,1,1,1,1,1
 3640  v%=by%+gd%*72
 3650  c%=gd%*45
 3660  SYS Col%,14
 3670  FORi%=1TO8
 3680    MOVEbx%-8*LENCP$(i%)+c%*(i%),by%+32
 3690    PRINTCP$(i%)
 3700    t%=bx%+c%*i%
 3710    MOVEt%,by%
 3720    PLOT&15,t%,v%
 3730    REPEAT
 3740      t%-=450
 3750      MOVEt%,by%
 3760      PLOT&15,t%,v%
 3770    UNTILt%<=bx%+c%*(i%-1)+450
 3780  NEXT
 3790  t%=bx%+gd%*360
 3800  FORi%=0 TO 60 STEP 400/gd%
 3810    v%=by%+gd%*i%
 3820    MOVEbx%,v%+32
 3830    PRINT;i%
 3840    MOVEbx%,v%
 3850    PLOT&15,t%,v%
 3860  NEXT
 3870ENDPROC
 3880
 3890REM / Routines for calculating star positions /
 3900
 3910
 3920DEFPROCscansky:LOCALi%,T1,alt,azm
 3930  PROChourglass_on
 3940  PROCcalc_earth_pos
 3950  FORi%=1TO sds%
 3960    PROCcalc_pos(Rah(i%),Dec(i%),alt,azm)
 3970    Y%(i%)=sc%*alt
 3980    X%(i%)=sc%*azm
 3990  NEXT
 4000  PROCcalc_our_galaxy
 4010  PROChourglass_off
 4020ENDPROC
 4030
 4040
 4050DEFFNten_stars(RETURN i%)
 4060LOCALn%,T1, alt, azm
 4070  n%=0
 4080  REPEAT
 4090    PROCcalc_pos(Rah(i%),Dec(i%),alt,azm)
 4100    Y%(i%)=sc%*alt
 4110    X%(i%)=sc%*azm
 4120    i%+=1
 4130    n%+=1
 4140  UNTIL i%=sds% OR n%=10
 4150=(i%=sds%)
 4160
 4170DEFPROCcalc_our_galaxy:LOCALi%,T1, alt, azm
 4180  FORi%=1TO8
 4190    PROCplanet(i%,alt,azm)
 4200    Yp%(i%)=sc%*alt
 4210    Xp%(i%)=sc%*azm
 4220  NEXT
 4230  PROCmoon(alt,azm)
 4240  Ym%=sc%*alt
 4250  Xm%=sc%*azm
 4260  PROCsun(alt,azm)
 4270  Ys%=sc%*alt
 4280  Xs%=sc%*azm
 4290ENDPROC
 4300
 4310
 4320REM / Object descriptions /
 4330
 4340DEFPROCunque(X%,Y%)
 4350LOCALf%,i%,r%,nr%
 4360  r%=4096
 4370  f%=0
 4380  FORi%=1TO8
 4390    nr%=((X%-Xp%(i%))^2 +(Y%-Yp%(i%))^2)
 4400    IF nr%<r% THEN f%=i%:r%=nr%
 4410  NEXT
 4420  IFf% THEN
 4430    PROCinfobox("Info on Planet "+Planet$(f%),FNplanet_data(f%))
 4440  ELSE
 4450    i%=0
 4460    f%=0
 4470    REPEAT
 4480      i%+=1
 4490      nr%=((X%-X%(i%))^2 +(Y%-Y%(i%))^2)
 4500      IF nr%<r% THEN f%=i%:r%=nr%
 4510    UNTILr%<16 ORi%=sds%
 4520    IFf% THEN
 4530      LOCAL alt, azm, dat$
 4540      PROCcalc_pos(Rah(f%),Dec(f%),alt,azm)
 4550      dat$=FNpos_string(alt,azm)
 4560      @%=&1020208
 4570      dat$+=" Magnitude="+STR$(Mag(f%))+"(var?)(double?) "+FNorbit_data(f%)
 4580      @%=10
 4590      PROCinfobox("Info on "+FNname(group%(f%))+" "+FNconstname(f%)+FNstarname(f%),dat$)
 4600    ENDIF
 4610  ENDIF
 4620ENDPROC
 4630
 4640
 4650DEFFNplanet_data(p%)
 4660  LOCAL alt,azm,S$
 4670  alt=0:azm=0
 4680  PROCplanet(p%,alt,azm)
 4690  S$=FNpos_string(alt,azm)
 4700=S$
 4710
 4720DEFFNpos_string(alt,azm)
 4730LOCALd$
 4740  IFazm>PI THEN
 4750    d$="W"
 4760    azm=2*PI-azm
 4770  ELSE
 4780    d$="E"
 4790  ENDIF
 4800="  Azimuth="+FNdang(azm)+d$+"  Alt="+FNdang(alt)
 4810
 4820DEFFNdang(a)
 4830  LOCALa%
 4840  a=DEG(a)
 4850  a%=a
 4860  @%=10
 4870=STR$(a%)+"�"+STR$(INT(60*(a-a%)))+"'"
 4880
 4890DEFFNname(p%)
 4900  IFp%<=32 THEN=CEN$(p%)
 4910LOCALt$
 4920  t$=$p%
 4930  IFLEFT$(t$)="'" THEN=MID$(t$,2,1)
 4940=t$
 4950
 4960DEFFNorbit_data(s%)
 4970LOCALc,tt,tr,hah,st,d$
 4980  c=PI/2-ABS(Viewer_Lat-Dec(s%))
 4990  st=hour+min/60-stardate+Rah(s%)
 5000  d$="Culminates "+FNdec_time(st)+" at "+FNdang(c)
 5010  IFc<0 THEN
 5020    d$+=" -Never rises- "
 5030  ELSE
 5040    tt=-TAN(Dec(s%))*Vls/Vlc
 5050    IFABS(tt)>=1 THEN
 5060      d$+=" -Never sets- "
 5070    ELSE
 5080      hah=12*ACS(tt)/PI
 5090      d$+="  Rises "+FNdec_time(st-hah)+", Sets "+FNdec_time(st+hah)
 5100    ENDIF
 5110  ENDIF
 5120=d$
 5130
 5140DEFFNstarname(n%)
 5150LOCALi%
 5160  i%=0
 5170  REPEAT
 5180    i%+=1
 5190  UNTILi%=Named_stars% OR star%(i%)=n%
 5200  IFstar%(i%)=n% THEN=" - "+Star$(i%)
 5210=""
 5220
 5230DEFFNconstname(n%)
 5240LOCALi%
 5250  i%=0
 5260  REPEAT
 5270    i%+=1
 5280  UNTILconst%(i%)>=n% ORi%=num_const
 5290=CN$(i%+(i%<num_const))
 5300
 5310
 5320REM / Initialisation Routines /
 5330
 5340
 5350DEFPROCsetup
 5360LOCALi%
 5370  DIM CP$(8)
 5380  RESTORE+0
 5390  DATA "N", "NE", "E", "SE", "S", "SW", "W", "NW"
 5400  FORi%=0 TO7
 5410    READ CP$(i%)
 5420  NEXT
 5430  DIMsm%(8),o%(8)
 5440  RESTORE+0
 5450  DATA8,6,6,4,4,4,2,0,0
 5460  FORi%=0TO8
 5470    READo%(i%)
 5480    SYS &2e,&118,sprites%,"mag"+STR$(i%-2) TO,,sm%(i%)
 5490  NEXT
 5500  PROCget_planets
 5510  PROCmake_menus
 5520  PROCread_const_parts
 5530  mon$="  JanFebMarAprMayJunJulAugSepOctNovDec"
 5540  PROCsettime
 5550  PROCsetpos(52,0):REM Cambridge
 5560ENDPROC
 5570
 5580DEFPROCget_planets
 5590LOCAL P, i%
 5600  DIM Pdat(8,10), Planet$(8)
 5610  RESTORE+0
 5620  DATA "Earth"  , 1       , 0.016664, 0.00366,  53.1919 ,287.67672, 174.48174
 5630  DATA "Mercury", 0.387098, 0.205638, 7.00219, 226.30777, 29.01747, 47.70447
 5640  DATA "Venus"  , 0.723332, 0.006817, 3.39389,   1.4518 , 54.69863, 76.15263
 5650  DATA "Mars"   , 1.523673, 0.09327 , 1.84778, 326.72296,286.13461, 49.0962
 5660  DATA "Jupiter", 5.20167 , 0.04799 , 1.3065 ,  46.8294 ,273.6191 , 99.9806
 5670  DATA "Saturn" , 9.57157 , 0.05762 , 2.4887 ,  36.8602 ,339.7222 , 113.1709
 5680  DATA "Uranus" ,19.13902 , 0.04633 , 0.7711 ,  47.433  , 93.2332 , 73.8595
 5690  DATA "Neptune",29.93503 , 0.01277 , 1.7739 , 204.3292 ,278.6735 , 131.2755
 5700  DATA "Pluto"  ,39.36753 , 0.24629 ,17.1389 , 341.722  ,113.6122 , 109.5233
 5710  FORi%=0TO8
 5720    READPlanet$(i%)
 5730    READ P:REM Param 1
 5740    Pdat(i%, 0)=0.0172024 * SQR(P^3)
 5750    Pdat(i%, 1)=P
 5760    READ P:REM Param 2
 5770    Pdat(i%, 2)=P
 5780    Pdat(i%, 3)=Pdat(i%,1)*SQR(1-P*P)
 5790    READ P:REM Param 3
 5800    Pdat(i%, 4)=COSRAD(P)
 5810    Pdat(i%, 5)=SINRAD(P)
 5820    READ P:REM Param 4
 5830    Pdat(i%, 6)=RAD(P)
 5840    READ P:REM Param 5
 5850    Pdat(i%, 7)=COSRAD(P)
 5860    Pdat(i%, 8)=SINRAD(P)
 5870    READ P:REM Param 6
 5880    Pdat(i%, 9)=COSRAD(P)
 5890    Pdat(i%,10)=SINRAD(P)
 5900  NEXT
 5910  Earth_X=0
 5920  Earth_Y=0
 5930  Earth_Z=0
 5940ENDPROC
 5950
 5960
 5970DEFPROCread_const_parts
 5980LOCALi%
 5990  DIM CEN$(24)
 6000  RESTORE+0
 6010  DATA Object in,Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa
 6020  DATA Lambda,Mu,Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi
 6030  DATA Psi,Omega
 6040  DATA "abgdezh0iklmnxoprstvqfcw"
 6050  FORi%=0TO24
 6060    READCEN$(i%)
 6070  NEXT
 6080  READ Clookup$
 6090ENDPROC
 6100
 6110DEFPROCget_stars
 6120REM Version 5.2 - optimised for loading speed
 6130LOCALD,f%,s%,i%,l%,p%,a%,b%,cn%,t$
 6140  PROChourglass_on
 6150  f%=OPENIN("<Star$Dir>.Star_map")
 6160  IFf%=0 PROCbadfile("Star_Map not Found")
 6170  copyright$=FNreadstr(f%)
 6180  t$=FNreadstr(f%)
 6190  IF FNleftpar(t$,"=")<>"Update" PROCbadfile("No update")
 6200  update$=FNrightpar(t$,"=")
 6210  num_const=88
 6220  DIM CN$(88),const%(88),Star$(404),star%(404),ls%(1000),lf%(1000)
 6230
 6240  sds%=VAL(FNrightpar(FNreadstr(f%),"="))
 6250  str_len%=2000
 6260  DIM Rah(sds%), Dec(sds%), group%(sds%), Mag(sds%),str_space% str_len%
 6270  str_len%+=str_space%-2
 6280  DIM Xp%(8), Yp%(8), X%(sds%), Y%(sds%)
 6290  Named_stars%=0
 6300
 6310  IFFNreadstr(f%)<>"Stardata" PROCbadfile("Bad Header")
 6320  p%=BGET#f%:REM lf
 6330  s%=0
 6340  max_line%=0
 6350  str_ptr%=str_space%
 6360  FORcn%=1 TO 88
 6370    t$=FNreadstr(f%)
 6380    IF VAL(FNrightpar(t$,"="))<>cn% PROCbadfile("Const ["+t$+"] out of step, should be "+STR$(cn%))
 6390    CN$(cn%)=FNleftpar(t$,"=")
 6400    const%(cn%)=s%
 6410
 6420    REM get lines
 6430    p%=BGET#f%
 6440    WHILEp%<>10 AND p%<>ASC";"
 6450      t%=BGET#f%
 6460      IFt%=ASC"-" a%=(p%-48) ELSEa%=(p%-48)*10 + t%-48:t%=BGET#f%
 6470      t%=BGET#f%
 6480      p%=BGET#f%
 6490      IFp%>47 ANDp%<58 b%=(t%-48)*10 + p%-48:p%=BGET#f% ELSEb%=(t%-48)
 6500      max_line%+=1
 6510      ls%(max_line%)=a%+s%
 6520      lf%(max_line%)=b%+s%
 6530      IFp%<>10 ANDp%<>ASC"," ANDp%<>ASC";" PROCbadfile("overrun on const "+STR$(cn%)+"'"+STR$(max_line%))
 6540      IFp%=ASC"," p%=BGET#f%
 6550    ENDWHILE
 6560    WHILEp%<>10:p%=BGET#f%:ENDWHILE:REM skip to end of line
 6570
 6580    p%=BGET#f%
 6590    WHILEp%<>10
 6600      s%+=1
 6610      IFs%>sds% PROCbadfile("Too many stars "+STR$(s%)+"/"+STR$(sds%))
 6620      group%(s%)=INSTR(Clookup$,CHR$(p%))
 6630      IFgroup%(s%)=0 THEN
 6640        group%(s%)=str_ptr%
 6650        REPEAT
 6660          IF str_ptr%>=str_len% PROCbadfile("Run out of string space")
 6670          ?str_ptr%=p%
 6680          str_ptr%+=1
 6690          p%=BGET#f%
 6700        UNTILp%=32 ORp%=ASC"@"
 6710        ?str_ptr%=13
 6720        str_ptr%+=1
 6730      ENDIF
 6740      WHILEp%<>ASC"@":p%=BGET#f%:ENDWHILE
 6750
 6760      a%=BGET#f%
 6770      b%=BGET#f%
 6780      t% = a%*36000+b%*3600
 6790      a%=BGET#f%
 6800      IFa%<>ASC"h" PROCbadfile("h expected")
 6810      a%=BGET#f%
 6820      b%=BGET#f%
 6830      t%+= a%*600+b%*60
 6840      a%=BGET#f%
 6850      IFa%<>ASC"m" PROCbadfile("m expected")
 6860      a%=BGET#f%
 6870      b%=BGET#f%
 6880      t%+=a%*10+b%-1933008
 6890      Rah(s%)=t%/3600
 6900      a%=BGET#f%
 6910      IFa%<>ASC"s" PROCbadfile("s expected ")
 6920      a%=BGET#f%
 6930      IFa%<>ASC"," PROCbadfile(", expected")
 6940      p%=BGET#f%:REM sign
 6950      a%=BGET#f%
 6960      b%=BGET#f%
 6970      t% =a%*36000+b%*3600
 6980      a%=BGET#f%
 6990      IFa%<>ASC"d" PROCbadfile("d expected")
 7000      a%=BGET#f%
 7010      b%=BGET#f%
 7020      t%+=a%*600+b%*60
 7030      a%=BGET#f%
 7040      IFa%<>ASC"'" PROCbadfile("' expected")
 7050      a%=BGET#f%
 7060      b%=BGET#f%
 7070      t%+=a%*10+b%-1933008
 7080      IFp%=ASC"-" t%=-t%
 7090      Dec(s%)=RAD(t%/3600)
 7100      a%=BGET#f%
 7110      IFa%<>ASC"s" PROCbadfile("s expected")
 7120      a%=BGET#f%
 7130      IFa%<>ASC"^" PROCbadfile("^ expected")
 7140      p%=BGET#f%
 7150      IFp%=ASC"-" t%=BGET#f% ELSEt%=p%
 7160      a%=BGET#f%
 7170      IFa%<>ASC"." PROCbadfile(". expected")
 7180      a%=BGET#f%
 7190      b%=BGET#f%
 7200      t%=t%*100+a%*10+b%-5328
 7210      IFp%=ASC"-" THENt%=-t%
 7220      Mag(s%)=t%/100
 7230      IFBGET#f%=ASC"=" THEN
 7240        Named_stars%+=1
 7250        Star$(Named_stars%)=FNreadstr(f%)
 7260        star%(Named_stars%)=s%
 7270      ENDIF
 7280      p%=BGET#f%
 7290    ENDWHILE
 7300  NEXT
 7310  IFs% < sds% PROCbadfile("Stars accounted for ="+STR$(s%))
 7320  CLOSE#f%
 7330  PROChourglass_off
 7340ENDPROC
 7350
 7360DEFFNnext_param(s$,RETURN p%,d$)
 7370LOCALn%
 7380  n%=INSTR(s$,d$,p%)
 7390  IFn%=0 n%=LEN(s$)+1
 7400  s$=MID$(s$,p%,n%-p%)
 7410  p%=n%+1
 7420=s$
 7430
 7440DEFFNrightpar(t$,d$)
 7450LOCAL p%
 7460  p% = INSTR(t$,d$)
 7470  IFp%=0 THEN=""
 7480=RIGHT$(t$,LEN(t$)-p%)
 7490
 7500
 7510DEFFNleftpar(t$,d$)
 7520LOCAL p%
 7530  p% = INSTR(t$,d$)
 7540  IFp%=0 THEN=""
 7550=LEFT$(t$,p%-1)
 7560
 7570DEFFNreadstr(f%)
 7580LOCAL g%,t$
 7590  t$=""
 7600  g%=BGET#f%
 7610  WHILE g%<>10
 7620  REMANDg%<>ASC";"
 7630    t$+=CHR$(g%)
 7640    g%=BGET#f%
 7650  ENDWHILE
 7660  WHILEg%<>10:g%=BGET#f%:ENDWHILE
 7670=t$
 7680
 7690DEFPROCbadfile(t$)
 7700  CLOSE#f%
 7710  ERROR 257,"Bad star file ("+t$+") at const"+STR$(cn%)
 7720ENDPROC
 7730
 7740REM / Low level starmap calculations /
 7750
 7760DEFPROCcalc_earth_pos
 7770LOCALB%,V%,e
 7780  B%=(month-14)/12
 7790  V%=367*(month-2-12*B%)/12-3*INT((year+6800+B%)/100)/4
 7800  real_time_day=day-2447095.5 +1461*(year+6700+B%)/4 +V% +(hour+min/60)/24
 7810  e=RAD(23.452 -0.013*real_time_day/36525)
 7820  Earth_Cos=COS(e)
 7830  Earth_Sin=SIN(e)
 7840  stardate = FNrmod(6.646 + 24*real_time_day/365.25 + hour + min/60, 24)-Viewer_Rah
 7850  PROCplan_pos(0,Earth_X,Earth_Y,Earth_Z)
 7860ENDPROC
 7870
 7880
 7890DEFPROCsun(RETURN alt,RETURN azm)
 7900LOCALT, M
 7910  T=real_time_day/36525
 7920  M=RAD(358.476+36000*T)
 7930  PROCcalc_equiv(RAD(279.697+36000*T)+RAD((1.919-.005*T)*SIN(M)+.02*SIN(2*M)),0,alt,azm)
 7940ENDPROC
 7950
 7960
 7970DEFPROCmoon(RETURN alt,RETURN azm)
 7980LOCALY, BET, LAM
 7990  Y=0.7*SINRAD(341.5+24.3815*real_time_day)+6.3*SINRAD(296.1+13.065*real_time_day)
 8000  Y-=1.3*SINRAD(314.6-11.31651*real_time_day)
 8010  BET=RAD(5.2*SINRAD(Y+11.2+13.22935*real_time_day))
 8020  Y+=270.4+13.1764*real_time_day+.2*SINRAD(232.2+26.13*real_time_day)
 8030  LAM=RAD(Y-.1*SINRAD(22.5+26.4587*real_time_day)-.2*SINRAD(358.5+.9856*real_time_day))
 8040  moon_age%=.082*FNrmod(350.74+445267.14*(real_time_day/36525), 360)
 8050  moon_phase$=STR$(1+INT(moon_age%/7.5))
 8060  PROCcalc_equiv(LAM,BET,alt,azm)
 8070ENDPROC
 8080
 8090
 8100DEFPROCplan_pos(N%,RETURN x,RETURN y,RETURN z)
 8110LOCALm, c, e, n%, xl, yl
 8120  m = Pdat(N%, 6)+Pdat(N%, 0)*(real_time_day-28180.5)
 8130  c = m + Pdat(N%,2)*SIN(M)
 8140  n%=1
 8150  REPEAT
 8160    e=c+(m + Pdat(N%,2)*SIN(c) - c)/( 1 - Pdat(N%,2)*COS(c) )
 8170    SWAP c, e
 8180    n%+=1
 8190  UNTILABS(e-c)<1E-6 OR n%>100
 8200  x=Pdat(N%,1)*(COS(e)-Pdat(N%, 2))
 8210  y=Pdat(N%,3)*SIN(e)
 8220  xl=x*Pdat(N%,7) - y*Pdat(N%,8)
 8230  yl=x*Pdat(N%,8) + y*Pdat(N%,7)
 8240  x=xl*Pdat(N%,9) - yl*Pdat(N%,10)*Pdat(N%,4)
 8250  y=xl*Pdat(N%,10)+ yl*Pdat(N%,9)*Pdat(N%,4)
 8260  z=yl*Pdat(N%,5)
 8270ENDPROC
 8280
 8290DEFPROCplanet(N%,RETURN alt,RETURN azm)
 8300LOCAL x,y,z
 8310x=0:y=0:z=0
 8320  PROCplan_pos(N%,x,y,z)
 8330  x-=Earth_X
 8340  y-=Earth_Y
 8350  z-=Earth_Z
 8360  PROCcalc_equiv(ATN(y/x)+PI*(3+SGN(x))/2,ASN(z/SQR(x*x+y*y+z*z)),alt,azm)
 8370ENDPROC
 8380
 8390
 8400DEFPROCcalc_equiv(LAM,BET,RETURN alt,RETURN azm)
 8410LOCALc, s, X
 8420  LAM=FNrmod(LAM, 2*PI)
 8430  c=COS(BET)
 8440  s=SIN(BET)
 8450  X=c*SIN(LAM)
 8460  PROCcalc_pos(RAHE*FNang(X*Earth_Cos-s*Earth_Sin,c*COS(LAM)),ASN(s*Earth_Cos+X*Earth_Sin),alt,azm)
 8470ENDPROC
 8480
 8490
 8500DEFPROCcalc_pos(RAH,DEC, RETURN alt,RETURN azm)
 8510LOCAL H, X, s, c
 8520  c=-COS(DEC)
 8530  s= SIN(DEC)
 8540  H=SIDE*(stardate-RAH)
 8550  X=c*COS(H)
 8560  alt=ASN(s*Vls-X*Vlc)
 8570  azm=FNang(c*SIN(H), s*Vlc+X*Vls)
 8580ENDPROC
 8590
 8600DEFPROCsetpos(Lat,Long)
 8610  Viewer_Lat=RAD(Lat)
 8620  Vlc=COS(Viewer_Lat)
 8630  Vls=SIN(Viewer_Lat)
 8640  Viewer_Rah=Long/15
 8650  $long_ptr%=FNmake_ang(Long,"EW")
 8660  $lat_ptr% =FNmake_ang(Lat,"NS")
 8670ENDPROC
 8680
 8690DEFFNmake_ang(a,d$)
 8700LOCALd%, m%
 8710  d%=ABS(INT(a))
 8720  m%=ABS(INT(a*60))-d%*60
 8730=STR$(d%)+"d"+STR$(m%)+"m"+MID$(d$,1-(a<0),1)
 8740
 8750DEFFNang(Y, X)
 8760  IFX=0 THEN=PI*SGN(Y)
 8770=PI+ATN(Y/X)+(X>0)*SGN(Y)*PI
 8780
 8790
 8800DEFFNrmod(A, M)
 8810  IFA<0 REPEATA+=M:UNTILA>0 ELSEA-=M*INT(A/M)
 8820=A
 8830
 8840DEFFNdec_time(A)
 8850LOCALh%,m%
 8860  h%=A
 8870  m%=60*(A-h%)+0.5
 8880  A=FNrmod(A,24)
 8890  @%=10
 8900=STRING$(2-LENSTR$h%, " ")+STR$h%+":"+STRING$(2-LENSTR$m%,"0")+STR$m%
 8910
 8920DEFFNlook_next
 8930=(FNdecode_time(20)<>min)
 8940
 8950DEFPROCsettime
 8960  min  =FNdecode_time(20)
 8970  hour =FNdecode_time(17)
 8980  day  =FNdecode_time(5)
 8990  month=FNdecode_month
 9000  year =FNdecode_time(14)
 9010ENDPROC
 9020
 9030DEFFNstring_time
 9040=STR$(hour)+":"+STR$(min)+" on "+STR$(day)+" "+MID$(mon$,month*3,3)+" "+STR$(year)
 9050
 9060
 9070DEFPROCinctime(s%)
 9080  min+=s%
 9090  IF min>=60 THEN
 9100    hour+=min DIV 60
 9110    min=min MOD 60
 9120    IF hour>=24 THEN
 9130       hour=hour MOD 24
 9140       day+=1
 9150    ENDIF
 9160  ENDIF
 9170ENDPROC
 9180
 9190DEFFNdecode_time(i%)
 9200=VALMID$(TIME$, i%, 2)
 9210
 9220DEFFNdecode_month
 9230=INSTR(mon$, MID$(TIME$, 8, 3))/3
 9240
 9250DEFFNbcd(c%)=(c% AND 15)+10*(c%>>4)
 9260
 9270DEFPROCload_mess(q%):ENDPROC:REM dummy
 9280
 9290REM / End of !Stargazer
 9300
-� > Stargazer - wimp version with Sprites
D� > Version 6.00 - Special release for Archimedes World 13/01/92
.� > Version 5.40 - Misc minor enhancements
((� > Version 5.00 - Added planet data
2;� > Version 4.00 - Includes basic compiler code changes
<5� > Version 3.00 - includes auto update algorithm
F2� > Version 2.00 - Constellation plotter added
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x:bx%=0:by%=0:sc%=1146:gd%=20:scs%=2:RAHE=12/�:SIDE=�/12
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  m%=0
�%  � space for variable menu items
�T  � const_ptr% 16,star_ptr% 16,long_ptr% 16,lat_ptr% 16,int_ptr% 16,span_ptr% 16
�?  lat_menu%  =�text_menu("Latitude",lat_ptr%,16,"A0-9dmNS")
�A  long_menu% =�text_menu("Longitude",long_ptr%,16,"A0-9dmEW")
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?  int_menu%  =�text_menu("time step(m)",int_ptr%,16,"A0-9")
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:
D-  plan_menu%=�bas_menu(m%,"Planet",192,8)
N
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v2  find_menu%=�bas_menu(m%,"find object",192,5)
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�
�0  icon_menu%=�bas_menu(m%,"Star Menu",192,5)
�  �add_info(m%)
�+  �add_item(m%,�,obs_menu%,"new place")
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#  �add_item(m%,�,-1,"show_sky")
  �add_item(m%,�,-1,"quit")
 
*0  sim_menu%=�bas_menu(m%,"Simulation",192,2)
4+  �add_item(m%,�,int_menu%,"time step")
>,  �add_item(m%,�,span_menu%,"time span")
H
R.  wind_menu%=�bas_menu(m%,"Options",192,6)
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M  � "Venus"  , 0.723332, 0.006817, 3.39389,   1.4518 , 54.69863, 76.15263
L  � "Mars"   , 1.523673, 0.09327 , 1.84778, 326.72296,286.13461, 49.0962
L  � "Jupiter", 5.20167 , 0.04799 , 1.3065 ,  46.8294 ,273.6191 , 99.9806
&M  � "Saturn" , 9.57157 , 0.05762 , 2.4887 ,  36.8602 ,339.7222 , 113.1709
0L  � "Uranus" ,19.13902 , 0.04633 , 0.7711 ,  47.433  , 93.2332 , 73.8595
:M  � "Neptune",29.93503 , 0.01277 , 1.7739 , 204.3292 ,278.6735 , 131.2755
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$J� / End of !Stargazer
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�
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00004a50  04 0d 1f 9a 04 0d 1f a4  1e dd f2 70 6c 61 6e 5f  |...........plan_|
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00004a70  20 7a 29 0d 1f ae 18 ea  6d 2c 20 63 2c 20 65 2c  | z).....m, c, e,|
00004a80  20 6e 25 2c 20 78 6c 2c  20 79 6c 0d 1f b8 39 20  | n%, xl, yl...9 |
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00004ae0  29 0d 1f cc 0a 20 20 6e  25 3d 31 0d 1f d6 07 20  |)....  n%=1.... |
00004af0  20 f5 0d 1f e0 3d 20 20  20 20 65 3d 63 2b 28 6d  | ....=    e=c+(m|
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00004b20  61 74 28 4e 25 2c 32 29  2a 9b 28 63 29 20 29 0d  |at(N%,2)*.(c) ).|
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00004b50  20 fd 94 28 65 2d 63 29  3c 31 45 2d 36 20 84 20  | ..(e-c)<1E-6 . |
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00004b70  61 74 28 4e 25 2c 31 29  2a 28 9b 28 65 29 2d 50  |at(N%,1)*(.(e)-P|
00004b80  64 61 74 28 4e 25 2c 20  32 29 29 0d 20 12 17 20  |dat(N%, 2)). .. |
00004b90  20 79 3d 50 64 61 74 28  4e 25 2c 33 29 2a b5 28  | y=Pdat(N%,3)*.(|
00004ba0  65 29 0d 20 1c 24 20 20  78 6c 3d 78 2a 50 64 61  |e). .$  xl=x*Pda|
00004bb0  74 28 4e 25 2c 37 29 20  2d 20 79 2a 50 64 61 74  |t(N%,7) - y*Pdat|
00004bc0  28 4e 25 2c 38 29 0d 20  26 24 20 20 79 6c 3d 78  |(N%,8). &$  yl=x|
00004bd0  2a 50 64 61 74 28 4e 25  2c 38 29 20 2b 20 79 2a  |*Pdat(N%,8) + y*|
00004be0  50 64 61 74 28 4e 25 2c  37 29 0d 20 30 31 20 20  |Pdat(N%,7). 01  |
00004bf0  78 3d 78 6c 2a 50 64 61  74 28 4e 25 2c 39 29 20  |x=xl*Pdat(N%,9) |
00004c00  2d 20 79 6c 2a 50 64 61  74 28 4e 25 2c 31 30 29  |- yl*Pdat(N%,10)|
00004c10  2a 50 64 61 74 28 4e 25  2c 34 29 0d 20 3a 30 20  |*Pdat(N%,4). :0 |
00004c20  20 79 3d 78 6c 2a 50 64  61 74 28 4e 25 2c 31 30  | y=xl*Pdat(N%,10|
00004c30  29 2b 20 79 6c 2a 50 64  61 74 28 4e 25 2c 39 29  |)+ yl*Pdat(N%,9)|
00004c40  2a 50 64 61 74 28 4e 25  2c 34 29 0d 20 44 15 20  |*Pdat(N%,4). D. |
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00004dc0  45 2a a4 61 6e 67 28 58  2a 45 61 72 74 68 5f 43  |E*.ang(X*Earth_C|
00004dd0  6f 73 2d 73 2a 45 61 72  74 68 5f 53 69 6e 2c 63  |os-s*Earth_Sin,c|
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00004e50  0f 20 20 63 3d 2d 9b 28  44 45 43 29 0d 21 52 0f  |.  c=-.(DEC).!R.|
00004e60  20 20 73 3d 20 b5 28 44  45 43 29 0d 21 5c 1b 20  |  s= .(DEC).!\. |
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00004e80  65 2d 52 41 48 29 0d 21  66 0e 20 20 58 3d 63 2a  |e-RAH).!f.  X=c*|
00004e90  9b 28 48 29 0d 21 70 18  20 20 61 6c 74 3d 98 28  |.(H).!p.  alt=.(|
00004ea0  73 2a 56 6c 73 2d 58 2a  56 6c 63 29 0d 21 7a 23  |s*Vls-X*Vlc).!z#|
00004eb0  20 20 61 7a 6d 3d a4 61  6e 67 28 63 2a b5 28 48  |  azm=.ang(c*.(H|
00004ec0  29 2c 20 73 2a 56 6c 63  2b 58 2a 56 6c 73 29 0d  |), s*Vlc+X*Vls).|
00004ed0  21 84 05 e1 0d 21 8e 04  0d 21 98 16 dd f2 73 65  |!....!...!....se|
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00004f60  65 5f 61 6e 67 28 4c 6f  6e 67 2c 22 45 57 22 29  |e_ang(Long,"EW")|
00004f70  0d 21 d4 24 20 20 24 6c  61 74 5f 70 74 72 25 20  |.!.$  $lat_ptr% |
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00004f90  4e 53 22 29 0d 21 de 05  e1 0d 21 e8 04 0d 21 f2  |NS").!....!...!.|
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00004fb0  29 0d 21 fc 0b ea 64 25  2c 20 6d 25 0d 22 06 10  |).!...d%, m%."..|
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00004fe0  64 25 2a 36 30 0d 22 1a  27 3d c3 28 64 25 29 2b  |d%*60.".'=.(d%)+|
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00005030  59 29 0d 22 42 1a 3d af  2b 99 28 59 2f 58 29 2b  |Y)."B.=.+.(Y/X)+|
00005040  28 58 3e 30 29 2a b4 28  59 29 2a af 0d 22 4c 04  |(X>0)*.(Y)*.."L.|
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00005070  41 2b 3d 4d 3a fd 41 3e  30 20 8b 41 2d 3d 4d 2a  |A+=M:.A>0 .A-=M*|
00005080  a8 28 41 2f 4d 29 0d 22  74 06 3d 41 0d 22 7e 04  |.(A/M)."t.=A."~.|
00005090  0d 22 88 11 dd a4 64 65  63 5f 74 69 6d 65 28 41  |."....dec_time(A|
000050a0  29 0d 22 92 0a ea 68 25  2c 6d 25 0d 22 9c 0a 20  |)."...h%,m%.".. |
000050b0  20 68 25 3d 41 0d 22 a6  16 20 20 6d 25 3d 36 30  | h%=A."..  m%=60|
000050c0  2a 28 41 2d 68 25 29 2b  30 2e 35 0d 22 b0 13 20  |*(A-h%)+0.5.".. |
000050d0  20 41 3d a4 72 6d 6f 64  28 41 2c 32 34 29 0d 22  | A=.rmod(A,24)."|
000050e0  ba 0b 20 20 40 25 3d 31  30 0d 22 c4 2b 3d c4 32  |..  @%=10.".+=.2|
000050f0  2d a9 c3 68 25 2c 20 22  20 22 29 2b c3 68 25 2b  |-..h%, " ")+.h%+|
00005100  22 3a 22 2b c4 32 2d a9  c3 6d 25 2c 22 30 22 29  |":"+.2-..m%,"0")|
00005110  2b c3 6d 25 0d 22 ce 04  0d 22 d8 0f dd a4 6c 6f  |+.m%."..."....lo|
00005120  6f 6b 5f 6e 65 78 74 0d  22 e2 1c 3d 28 a4 64 65  |ok_next."..=(.de|
00005130  63 6f 64 65 5f 74 69 6d  65 28 32 30 29 3c 3e 6d  |code_time(20)<>m|
00005140  69 6e 29 0d 22 ec 04 0d  22 f6 0d dd f2 73 65 74  |in)."..."....set|
00005150  74 69 6d 65 0d 23 00 1c  20 20 6d 69 6e 20 20 3d  |time.#..  min  =|
00005160  a4 64 65 63 6f 64 65 5f  74 69 6d 65 28 32 30 29  |.decode_time(20)|
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00005180  6f 64 65 5f 74 69 6d 65  28 31 37 29 0d 23 14 1b  |ode_time(17).#..|
00005190  20 20 64 61 79 20 20 3d  a4 64 65 63 6f 64 65 5f  |  day  =.decode_|
000051a0  74 69 6d 65 28 35 29 0d  23 1e 19 20 20 6d 6f 6e  |time(5).#..  mon|
000051b0  74 68 3d a4 64 65 63 6f  64 65 5f 6d 6f 6e 74 68  |th=.decode_month|
000051c0  0d 23 28 1c 20 20 79 65  61 72 20 3d a4 64 65 63  |.#(.  year =.dec|
000051d0  6f 64 65 5f 74 69 6d 65  28 31 34 29 0d 23 32 05  |ode_time(14).#2.|
000051e0  e1 0d 23 3c 04 0d 23 46  11 dd a4 73 74 72 69 6e  |..#<..#F...strin|
000051f0  67 5f 74 69 6d 65 0d 23  50 46 3d c3 28 68 6f 75  |g_time.#PF=.(hou|
00005200  72 29 2b 22 3a 22 2b c3  28 6d 69 6e 29 2b 22 20  |r)+":"+.(min)+" |
00005210  6f 6e 20 22 2b c3 28 64  61 79 29 2b 22 20 22 2b  |on "+.(day)+" "+|
00005220  c1 6d 6f 6e 24 2c 6d 6f  6e 74 68 2a 33 2c 33 29  |.mon$,month*3,3)|
00005230  2b 22 20 22 2b c3 28 79  65 61 72 29 0d 23 5a 04  |+" "+.(year).#Z.|
00005240  0d 23 64 04 0d 23 6e 11  dd f2 69 6e 63 74 69 6d  |.#d..#n...inctim|
00005250  65 28 73 25 29 0d 23 78  0d 20 20 6d 69 6e 2b 3d  |e(s%).#x.  min+=|
00005260  73 25 0d 23 82 11 20 20  e7 20 6d 69 6e 3e 3d 36  |s%.#..  . min>=6|
00005270  30 20 8c 0d 23 8c 16 20  20 20 20 68 6f 75 72 2b  |0 ..#..    hour+|
00005280  3d 6d 69 6e 20 81 20 36  30 0d 23 96 14 20 20 20  |=min . 60.#..   |
00005290  20 6d 69 6e 3d 6d 69 6e  20 83 20 36 30 0d 23 a0  | min=min . 60.#.|
000052a0  14 20 20 20 20 e7 20 68  6f 75 72 3e 3d 32 34 20  |.    . hour>=24 |
000052b0  8c 0d 23 aa 19 20 20 20  20 20 20 20 68 6f 75 72  |..#..       hour|
000052c0  3d 68 6f 75 72 20 83 20  32 34 0d 23 b4 11 20 20  |=hour . 24.#..  |
000052d0  20 20 20 20 20 64 61 79  2b 3d 31 0d 23 be 09 20  |     day+=1.#.. |
000052e0  20 20 20 cd 0d 23 c8 07  20 20 cd 0d 23 d2 05 e1  |   ..#..  ..#...|
000052f0  0d 23 dc 04 0d 23 e6 15  dd a4 64 65 63 6f 64 65  |.#...#....decode|
00005300  5f 74 69 6d 65 28 69 25  29 0d 23 f0 11 3d bb c1  |_time(i%).#..=..|
00005310  91 24 2c 20 69 25 2c 20  32 29 0d 23 fa 04 0d 24  |.$, i%, 2).#...$|
00005320  04 12 dd a4 64 65 63 6f  64 65 5f 6d 6f 6e 74 68  |....decode_month|
00005330  0d 24 0e 19 3d a7 6d 6f  6e 24 2c 20 c1 91 24 2c  |.$..=.mon$, ..$,|
00005340  20 38 2c 20 33 29 29 2f  33 0d 24 18 04 0d 24 22  | 8, 3))/3.$...$"|
00005350  22 dd a4 62 63 64 28 63  25 29 3d 28 63 25 20 80  |"..bcd(c%)=(c% .|
00005360  20 31 35 29 2b 31 30 2a  28 63 25 3e 3e 34 29 0d  | 15)+10*(c%>>4).|
00005370  24 2c 04 0d 24 36 1d dd  f2 6c 6f 61 64 5f 6d 65  |$,..$6...load_me|
00005380  73 73 28 71 25 29 3a e1  3a f4 20 64 75 6d 6d 79  |ss(q%):.:. dummy|
00005390  0d 24 40 04 0d 24 4a 19  f4 20 2f 20 45 6e 64 20  |.$@..$J.. / End |
000053a0  6f 66 20 21 53 74 61 72  67 61 7a 65 72 0d 24 54  |of !Stargazer.$T|
000053b0  04 0d ff                                          |...|
000053b3