Home » Archimedes archive » Micro User » MU 1991-09.adf » PD-Stuff » Utilities/!CRC/!RunImage
Utilities/!CRC/!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.
Tape/disk: | Home » Archimedes archive » Micro User » MU 1991-09.adf » PD-Stuff |
Filename: | Utilities/!CRC/!RunImage |
Read OK: | ✔ |
File size: | 1CBE bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
10REM >!RunImage 20REM (C)1990 PAUL VIGAY 30REM Written by Paul Vigay 40REM With thanks to Laurence Kirby for supplying the 32bit CRC algorhythm. 50REM 60REM Date started: 10th December 1990 70REM 80version$="1.00 (28th Dec 1990)" 90REM Alterations 100REM 110task%=&4B534154 120path$="<CRC$Path>." 130SYS "Wimp_Initialise",200,task%,"CRC" TO ,task_handle% 140PROCinit 150ON ERROR PROCerror 160REPEAT 170 SYS "Wimp_Poll",0,pb% TO reason% 180 CASE reason% OF 190 WHEN 2:PROCopen_window(pb%!0) 200 WHEN 3:w%=pb%!0:PROCclose_window(w%) 210 WHEN 6:PROCmouseclick(pb%!0,pb%!4,pb%!8,pb%!12,pb%!16) 220 WHEN 9:PROCmenu(pb%) 230 WHEN 17,18:PROCmessage(pb%) 240 ENDCASE 250UNTIL end% 260SYS "Wimp_CloseDown",task_handle%,task% 270END 280 290DEFPROCopen_window(handle%) 300IF handle%=-1 ENDPROC 310pb%!0=handle%:SYS "Wimp_OpenWindow",,pb% 320ENDPROC 330 340DEFPROCclose_window(handle%) 350IF handle%=window%(2) E%=FALSE 360!pb%=handle%:SYS "Wimp_CloseWindow",,pb% 370ENDPROC 380 390DEFPROCfront(handle%) 400IF handle%=-1 ENDPROC 410PROCgetw(handle%) 420PROCopen_window(handle%) 430ENDPROC 440 450DEFPROCupdateicon(window%,icon%,mem_ptr%,text$) 460pb%!0=window%:pb%!8=0:pb%!12=0 470$mem_ptr%=text$:pb%!4=icon% 480SYS "Wimp_SetIconState",0,pb% 490ENDPROC 500 510DEFFNgetstring(A%) 520A1%=A% 530WHILE ?A%<>0 540 A%+=1 550ENDWHILE 560?A%=13 570=$A1% 580 590DEFPROCgetw(handle%) 600!pb%=handle% 610SYS "Wimp_GetWindowState",,pb% 620vminx%=pb%!4:vminy%=pb%!8:vmaxx%=pb%!12:vmaxy%=pb%!16 630scrollx%=pb%!20:scrolly%=pb%!24:bhandle%=pb%!28:flags%=pb%!32 640bx%=vminx%-scrollx%:by%=vmaxy%-scrolly% 650ENDPROC 660 670DEFPROCgeti(handle%,icon%) 680pb%!0=handle%:pb%!4=icon%:SYS "Wimp_GetIconState",,pb% 690ix0%=pb%!8:iy0%=pb%!12:ix1%=pb%!16:iy1%=pb%!20 700iflags%=pb%!24:idata%=pb%+28 710ENDPROC 720 730DEFPROCgetp 740SYS "Wimp_GetPointerInfo",,pb% 750mousex%=!pb%:mousey%=pb%!4:buttons%=pb%!8 760window%=pb%!12:icon%=pb%!16 770ENDPROC 780 790DEFFNicon_bar 800LOCAL sp$,ih% 810pb%!0=-1:pb%!4=0:pb%!8=0:pb%!12=68:pb%!16=68:pb%!20=&2102 820DIM spr% 9:$spr%="!CRC" 830pb%!24=spr% 840pb%!28=sprites%:pb%!32=7 850SYS "Wimp_CreateIcon",,pb% TO ih% 860=ih% 870 880DEFPROCinit 890DIM factors% 15,pixtrans% 15,pb% 256,oldpb% 256 900PROCloadin_sprites 910end%=FALSE 920E%=FALSE 930scrapref%=-1:saveref%=-1:key_pressed%=0:wkp%=0:ikp%=0:open%=FALSE 940DIM ws% templen% :REM workspace for icons in windows 950DIM wb% templen% :REM window block (multi-purpose) 960DIM mb% 100:REM menu data block 970DIM md% 50 :REM menu block containing in-directed data 980nw%=2 :REM number of windows supported 990DIM window%(nw%) 1000icon%=FNicon_bar 1010PROCload_windows 1020PROCmenu_create 1030buffer_size%=10000 1040length%=0:max_length%=0:name$="":crc=0:DIM buffer% buffer_size%+10 1050DIM code% 2000 1060PROCmcode 1070PROCinitpoly 1080ENDPROC 1090 1100DEFPROCinitpoly 1110LOCAL N% 1120polynomial=&EDB88320 1130FOR N%=0 TO 255 1140 crctable!(4*N%)=0 1150NEXT N% 1160crcsum=polynomial 1170bit%=&80 1180REPEAT 1190 FOR N%=0 TO &FF 1200 IF (N% AND bit%) crctable!(4*N%)=crctable!(4*N%) EOR crcsum 1210 NEXT N% 1220 IF (crcsum AND 1) THEN 1230 crcsum=(crcsum>>1)AND&7FFFFFFF 1240 crcsum=crcsum EOR polynomial 1250 ELSE 1260 crcsum=(crcsum>>1)AND&7FFFFFFF 1270 ENDIF 1280 bit%=(bit%>>1) 1290UNTIL bit%=0 1300ENDPROC 1310 1320DEFPROCloadin_sprites 1330LOCAL s%,t% 1340s%=OPENIN(path$+"Templates"):templen%=EXT#s%:CLOSE#s% 1350s%=OPENIN(path$+"Sprites"):t%=EXT#s%+16:CLOSE#s% 1360DIM sprites% t% 1370!sprites%=t%:sprites%!8=16 1380SYS "OS_SpriteOp",&109,sprites% 1390SYS "OS_SpriteOp",&10A,sprites%,path$+"Sprites" 1400ENDPROC 1410 1420DEFPROCmenu_create 1430LOCAL loop%,pass%,T$,C1%,C2%,C3%,C4%,W%,H%,V%,NI%,items%,menu2,menu3,menu4,f0%,f1%,f2%,f3% 1440FOR pass%=0 TO 2 STEP 2 1450 f0%=49:f1%=1:f2%=0:f3%=7 1460 P%=mb%:indir%=md%:menu%=P%:RESTORE 1660 1470 [ OPT pass% 1480 EQUS "!CRC":EQUD 0:EQUD 0 1490 EQUB 7:EQUB 2:EQUB 3:EQUB 0:EQUD 88:EQUD 44:EQUD 0 1500 ] 1510 FOR items%=1 TO 2 1520 READ t$,nm% 1530 f4%=indir%:f5%=-1:f6%=LEN(t$):$f4%=t$:indir%=indir%+f6%+1 1540 CASE t$ OF 1550 WHEN "Info":f%=0:nm%=window%(1) 1560 WHEN "Quit":f%=&80 1570 ENDCASE 1580 [ OPT pass% 1590 EQUD f%:EQUD nm%:EQUB f0%:EQUB f1%:EQUB f2% 1600 EQUB f3%:EQUD f4%:EQUD f5%:EQUD f6% 1610 ]:NEXT items% 1620NEXT pass% 1630ENDPROC 1640 1650REM data for menu 1 1660DATA "Info",101 1670DATA "Quit",-1 1680 1690DEFPROCload_windows 1700LOCAL N%,W%,window$ 1710SYS "Wimp_OpenTemplate",,path$+"Templates" 1720wm%=ws%+templen% 1730RESTORE 1890 1740FOR W%=1 TO nw% 1750 READ window$ 1760 SYS "Wimp_LoadTemplate",,wb%,ws%,wm%,-1,window$,0 TO ,,ws% 1770 CASE window$ OF 1780 WHEN "info":$(wb%!(88+128+20))=version$ 1790 WHEN "main":filenamei%=(wb%!(88+(3*32)+20)) 1800 lengthi%=(wb%!(88+(4*32)+20)) 1810 crci%=(wb%!(88+(5*32)+20)) 1820 wb%!(88+(6*32)+24)=sprites% 1830 wb%!(88+(7*32)+24)=sprites% 1840 ENDCASE 1850 SYS "Wimp_CreateWindow",,wb% TO window%(W%) 1860NEXT W% 1870SYS "Wimp_CloseTemplate" 1880ENDPROC 1890DATA info,main 1900 1910DEFPROCerror 1920*CLOSE 1930VDU7 1940E%=FNerror(3,ERR,REPORT$) 1950IF E%=2 end%=TRUE 1960ENDPROC 1970 1980DEFFNerror(E%,N%,M$) 1990SYS "Hourglass_Smash" 2000SYS "Wimp_DragBox",,-1 2010!pb%=N%:$(pb%+4)=M$+" at "+STR$(ERL)+CHR$(0) 2020SYS "Wimp_ReportError",pb%,E%,"!CRC" TO ,E% 2030=E% 2040 2050DEFPROCmouseclick(mousex%,mousey%,b%,w%,i%) 2060CASE b% OF 2070 WHEN 1,4:CASE w% OF 2080 WHEN -2:PROCfront(window%(2)) 2090 WHEN window%(2):CASE i% OF 2100 WHEN 6:IF name$<>"" AND length%>0 THEN 2110 length%-=1 2120 PROCupdateicon(window%(2),4,lengthi%,STR$(length%)) 2130 ENDIF 2140 WHEN 7:IF name$<>"" AND length%<max_length% THEN 2150 length%+=1 2160 PROCupdateicon(window%(2),4,lengthi%,STR$(length%)) 2170 ENDIF 2180 WHEN 8:IF name$<>"" THEN 2190 crc=FNcrc(length%) 2200 PROCupdateicon(window%(2),5,crci%,STR$~crc) 2210 ENDIF 2220 ENDCASE 2230 ENDCASE 2240 WHEN 2:CASE w% OF 2250 WHEN -2:SYS "Wimp_CreateMenu",,menu%,pb%!0-56,184 2260 ENDCASE 2270ENDCASE 2280ENDPROC 2290 2300DEFPROCmessage(pb%) 2310LOCAL N% 2320FOR N%=0 TO !pb%-1 STEP4:oldpb%!N%=pb%!N%:NEXT N% 2330CASE pb%!16 OF 2340 WHEN 0:end%=TRUE 2350 WHEN 3:CASE pb%!20 OF 2360 WHEN -2,window%(2):PROCfront(window%(2)) 2370 filename$=FNgetstring(pb%+44) 2380 PROCload(filename$) 2390 ENDCASE 2400ENDCASE 2410ENDPROC 2420 2430DEFPROCmenu(pb%) 2440o%=0 2450WHILE pb%!o%<>-1:o%+=4:ENDWHILE:n%=o%/4-1:f%=10^n%:o%=0:e%=f% 2460WHILE pb%!o%<>-1:e%=e%+(pb%!o%)*f%:f%=f%/10:o%+=4:ENDWHILE 2470SYS "Wimp_GetPointerInfo",,pb% 2480b%=pb%!8 2490IF b% THEN 2500 CASE e% OF 2510 WHEN 2:end%=TRUE 2520 ENDCASE 2530ENDIF 2540PROCmenu_create 2550ENDPROC 2560 2570DEFPROCload(filename$) 2580LOCAL X%,n% 2590n%=LEN(filename$) 2600WHILE MID$(filename$,n%,1)<>"." AND n%>0:n%-=1:ENDWHILE 2610name$=MID$(filename$,n%+1):$filename=filename$ 2620X%=OPENIN(filename$):length%=EXT#X%:CLOSE#X% 2630max_length%=length%:crc=FNcrc(length%) 2640PROCupdateicon(window%(2),3,filenamei%,name$) 2650PROCupdateicon(window%(2),4,lengthi%,STR$(length%)) 2660PROCupdateicon(window%(2),5,crci%,STR$~crc) 2670ENDPROC 2680 2690DEFFNcrc(length%) 2700LOCAL crc 2710!maxlength=length% 2720SYS "Hourglass_On":crc=USR(calccrc):SYS "Hourglass_Off" 2730=crc 2740 2750DEFPROCmcode 2760LOCAL N%,P%,sp,link 2770sp=13:link=14:crc=12:spare=8:length=4:maxlen=5:table=9 2780FOR N%=0 TO 2 STEP 2 2790P%=code% 2800[ OPT N% 2810.calccrc 2820 STMFD (sp)!,{link} 2830 MOV length,#0 2840 ADR crc,crcseed 2850 LDR crc,[crc] 2860 ADR maxlen,maxlength 2870 LDR maxlen,[maxlen] 2880 ADR table,crctable 2890 MOV R0,#%01001111 2900 ADR R1,filename 2910 SWI "OS_Find" 2920 CMP R0,#0 2930 BEQ exit 2940 MOV R1,R0 2950 .loop 2960 SWI "OS_BGet" 2970 BCS exit 2980 ADD length,length,#1 2990 CMP length,maxlen 3000 BGT exit 3010 AND spare,crc,#&FF 3020 EOR spare,R0,spare 3030 LDR spare,[table,spare, LSL #2] 3040 EOR crc,spare,crc,LSR #8 3050 B loop 3060.exit 3070 MOV R0,#0 3080 SWI "OS_Find" 3090 MOV R0,crc 3100 LDMFD (sp)!,{PC} 3110 ALIGN 3120.crcseed 3130 EQUD &FFFFFFFF 3140 ALIGN 3150.filename 3160 EQUS STRING$(255," ") 3170 ALIGN 3180.maxlength 3190 EQUD 0 3200 ALIGN 3210.crctable 3220] 3230NEXT N% 3240ENDPROC
� >!RunImage � (C)1990 PAUL VIGAY � Written by Paul Vigay (K� With thanks to Laurence Kirby for supplying the 32bit CRC algorhythm. 2� <&� Date started: 10th December 1990 F� P#version$="1.00 (28th Dec 1990)" Z� Alterations d� ntask%=&4B534154 xpath$="<CRC$Path>." �8ș "Wimp_Initialise",200,task%,"CRC" � ,task_handle% � �init �� � �error �� �$ ș "Wimp_Poll",0,pb% � reason% � Ȏ reason% � � � 2:�open_window(pb%!0) �& � 3:w%=pb%!0:�close_window(w%) �8 � 6:�mouseclick(pb%!0,pb%!4,pb%!8,pb%!12,pb%!16) � � 9:�menu(pb%) � � 17,18:�message(pb%) � � � � end% *ș "Wimp_CloseDown",task_handle%,task% � "��open_window(handle%) ,� handle%=-1 � 6+pb%!0=handle%:ș "Wimp_OpenWindow",,pb% @� J T��close_window(handle%) ^� handle%=window%(2) E%=� h+!pb%=handle%:ș "Wimp_CloseWindow",,pb% r� | ���front(handle%) �� handle%=-1 � ��getw(handle%) ��open_window(handle%) �� � �.��updateicon(window%,icon%,mem_ptr%,text$) �"pb%!0=window%:pb%!8=0:pb%!12=0 �$mem_ptr%=text$:pb%!4=icon% � ș "Wimp_SetIconState",0,pb% �� � �ݤgetstring(A%) A1%=A% ȕ ?A%<>0 A%+=1 &� 0 ?A%=13 : =$A1% D N��getw(handle%) X!pb%=handle% b!ș "Wimp_GetWindowState",,pb% l9vminx%=pb%!4:vminy%=pb%!8:vmaxx%=pb%!12:vmaxy%=pb%!16 vAscrollx%=pb%!20:scrolly%=pb%!24:bhandle%=pb%!28:flags%=pb%!32 �+bx%=vminx%-scrollx%:by%=vmaxy%-scrolly% �� � ���geti(handle%,icon%) �9pb%!0=handle%:pb%!4=icon%:ș "Wimp_GetIconState",,pb% �2ix0%=pb%!8:iy0%=pb%!12:ix1%=pb%!16:iy1%=pb%!20 � iflags%=pb%!24:idata%=pb%+28 �� � � ��getp �!ș "Wimp_GetPointerInfo",,pb% �-mousex%=!pb%:mousey%=pb%!4:buttons%=pb%!8 �window%=pb%!12:icon%=pb%!16 � ݤicon_bar � sp$,ih% *=pb%!0=-1:pb%!4=0:pb%!8=0:pb%!12=68:pb%!16=68:pb%!20=&2102 4� spr% 9:$spr%="!CRC" >pb%!24=spr% Hpb%!28=sprites%:pb%!32=7 R#ș "Wimp_CreateIcon",,pb% � ih% \=ih% f p ��init z1� factors% 15,pixtrans% 15,pb% 256,oldpb% 256 ��loadin_sprites � end%=� �E%=� �Ascrapref%=-1:saveref%=-1:key_pressed%=0:wkp%=0:ikp%=0:open%=� �4� ws% templen% :� workspace for icons in windows �2� wb% templen% :� window block (multi-purpose) �� mb% 100:� menu data block �7� md% 50 :� menu block containing in-directed data �/nw%=2 :� number of windows supported �� window%(nw%) �icon%=�icon_bar ��load_windows ��menu_create buffer_size%=10000 Dlength%=0:max_length%=0:name$="":crc=0:� buffer% buffer_size%+10 � code% 2000 $ �mcode . �initpoly 8� B L��initpoly V� N% `polynomial=&EDB88320 j� N%=0 � 255 t crctable!(4*N%)=0 ~� N% �crcsum=polynomial �bit%=&80 �� � � N%=0 � &FF �> � (N% � bit%) crctable!(4*N%)=crctable!(4*N%) � crcsum � � N% � � (crcsum � 1) � �$ crcsum=(crcsum>>1)�&7FFFFFFF �" crcsum=crcsum � polynomial � � �$ crcsum=(crcsum>>1)�&7FFFFFFF � � bit%=(bit%>>1) � bit%=0 � (��loadin_sprites 2� s%,t% <.s%=�(path$+"Templates"):templen%=�#s%:�#s% F)s%=�(path$+"Sprites"):t%=�#s%+16:�#s% P� sprites% t% Z!sprites%=t%:sprites%!8=16 d"ș "OS_SpriteOp",&109,sprites% n2ș "OS_SpriteOp",&10A,sprites%,path$+"Sprites" x� � ���menu_create �Z� loop%,pass%,T$,C1%,C2%,C3%,C4%,W%,H%,V%,NI%,items%,menu2,menu3,menu4,f0%,f1%,f2%,f3% �� pass%=0 � 2 � 2 � f0%=49:f1%=1:f2%=0:f3%=7 �' P%=mb%:indir%=md%:menu%=P%:� �D|F � [ OPT pass% �! EQUS "!CRC":EQUD 0:EQUD 0 �: EQUB 7:EQUB 2:EQUB 3:EQUB 0:EQUD 88:EQUD 44:EQUD 0 � ] � � items%=1 � 2 � � t$,nm% �? f4%=indir%:f5%=-1:f6%=�(t$):$f4%=t$:indir%=indir%+f6%+1 Ȏ t$ � & � "Info":f%=0:nm%=window%(1) � "Quit":f%=&80 " � , [ OPT pass% 65 EQUD f%:EQUD nm%:EQUB f0%:EQUB f1%:EQUB f2% @- EQUB f3%:EQUD f4%:EQUD f5%:EQUD f6% J ]:� items% T� pass% ^� h r� data for menu 1 |� "Info",101 �� "Quit",-1 � ���load_windows �� N%,W%,window$ �-ș "Wimp_OpenTemplate",,path$+"Templates" �wm%=ws%+templen% � � �DbG �� W%=1 � nw% � � window$ �> ș "Wimp_LoadTemplate",,wb%,ws%,wm%,-1,window$,0 � ,,ws% � Ȏ window$ � �, � "info":$(wb%!(88+128+20))=version$ �0 � "main":filenamei%=(wb%!(88+(3*32)+20)) 1 lengthi%=(wb%!(88+(4*32)+20)) . crci%=(wb%!(88+(5*32)+20)) / wb%!(88+(6*32)+24)=sprites% &/ wb%!(88+(7*32)+24)=sprites% 0 � :/ ș "Wimp_CreateWindow",,wb% � window%(W%) D� W% Nș "Wimp_CloseTemplate" X� b� info,main l v��error � *CLOSE ��7 �E%=�error(3,�,�$) �� E%=2 end%=� �� � �ݤerror(E%,N%,M$) �ș "Hourglass_Smash" �ș "Wimp_DragBox",,-1 �(!pb%=N%:$(pb%+4)=M$+" at "+�(�)+�(0) �-ș "Wimp_ReportError",pb%,E%,"!CRC" � ,E% �=E% � *��mouseclick(mousex%,mousey%,b%,w%,i%) Ȏ b% � � 1,4:Ȏ w% � � -2:�front(window%(2)) * � window%(2):Ȏ i% � 4) � 6:� name$<>"" � length%>0 � > length%-=1 HB �updateicon(window%(2),4,lengthi%,�(length%)) R � \3 � 7:� name$<>"" � length%<max_length% � f length%+=1 pB �updateicon(window%(2),4,lengthi%,�(length%)) z � � � 8:� name$<>"" � �& crc=�crc(length%) �: �updateicon(window%(2),5,crci%,�~crc) � � � � � � � � 2:Ȏ w% � �5 � -2:ș "Wimp_CreateMenu",,menu%,pb%!0-56,184 � � �� �� � ���message(pb%) � N% ,� N%=0 � !pb%-1 �4:oldpb%!N%=pb%!N%:� N% Ȏ pb%!16 � $ � 0:end%=� . � 3:Ȏ pb%!20 � 81 � -2,window%(2):�front(window%(2)) B3 filename$=�getstring(pb%+44) L' �load(filename$) V � `� j� t ~��menu(pb%) �o%=0 �7ȕ pb%!o%<>-1:o%+=4:�:n%=o%/4-1:f%=10^n%:o%=0:e%=f% �4ȕ pb%!o%<>-1:e%=e%+(pb%!o%)*f%:f%=f%/10:o%+=4:� �!ș "Wimp_GetPointerInfo",,pb% �b%=pb%!8 � � b% � � Ȏ e% � � � 2:end%=� � � �� ��menu_create �� ��load(filename$) � X%,n% n%=�(filename$) (+ȕ �filename$,n%,1)<>"." � n%>0:n%-=1:� 2.name$=�filename$,n%+1):$filename=filename$ <%X%=�(filename$):length%=�#X%:�#X% F)max_length%=length%:crc=�crc(length%) P.�updateicon(window%(2),3,filenamei%,name$) Z1�updateicon(window%(2),4,lengthi%,�(length%)) d)�updateicon(window%(2),5,crci%,�~crc) n� x �ݤcrc(length%) � � crc �!maxlength=length% �7ș "Hourglass_On":crc=�(calccrc):ș "Hourglass_Off" �=crc � ���mcode �� N%,P%,sp,link �:sp=13:link=14:crc=12:spare=8:length=4:maxlen=5:table=9 �� N%=0 � 2 � 2 �P%=code% �[ OPT N% �.calccrc STMFD (sp)!,{link} MOV length,#0 ADR crc,crcseed " LDR crc,[crc] , ADR maxlen,maxlength 6 LDR maxlen,[maxlen] @ ADR table,crctable J MOV R0,#%01001111 T ADR R1,filename ^ SWI "OS_Find" h CMP R0,#0 r BEQ exit | MOV R1,R0 � .loop � SWI "OS_BGet" � BCS exit � ADD length,length,#1 � CMP length,maxlen � BGT exit � � spare,crc,#&FF � � spare,R0,spare �$ LDR spare,[table,spare, LSL #2] � � crc,spare,crc,LSR #8 � B loop � .exit � MOV R0,#0 SWI "OS_Find" MOV R0,crc LDMFD (sp)!,{PC} & ALIGN 0.crcseed : EQUD &FFFFFFFF D ALIGN N .filename X EQUS �255," ") b ALIGN l.maxlength v EQUD 0 � ALIGN � .crctable �] �� N% �� �
00000000 0d 00 0a 10 f4 20 3e 21 52 75 6e 49 6d 61 67 65 |..... >!RunImage| 00000010 0d 00 14 18 f4 20 28 43 29 31 39 39 30 20 50 41 |..... (C)1990 PA| 00000020 55 4c 20 56 49 47 41 59 0d 00 1e 1b f4 20 57 72 |UL VIGAY..... Wr| 00000030 69 74 74 65 6e 20 62 79 20 50 61 75 6c 20 56 69 |itten by Paul Vi| 00000040 67 61 79 0d 00 28 4b f4 20 57 69 74 68 20 74 68 |gay..(K. With th| 00000050 61 6e 6b 73 20 74 6f 20 4c 61 75 72 65 6e 63 65 |anks to Laurence| 00000060 20 4b 69 72 62 79 20 66 6f 72 20 73 75 70 70 6c | Kirby for suppl| 00000070 79 69 6e 67 20 74 68 65 20 33 32 62 69 74 20 43 |ying the 32bit C| 00000080 52 43 20 61 6c 67 6f 72 68 79 74 68 6d 2e 0d 00 |RC algorhythm...| 00000090 32 05 f4 0d 00 3c 26 f4 20 44 61 74 65 20 73 74 |2....<&. Date st| 000000a0 61 72 74 65 64 3a 20 31 30 74 68 20 44 65 63 65 |arted: 10th Dece| 000000b0 6d 62 65 72 20 31 39 39 30 0d 00 46 05 f4 0d 00 |mber 1990..F....| 000000c0 50 23 76 65 72 73 69 6f 6e 24 3d 22 31 2e 30 30 |P#version$="1.00| 000000d0 20 28 32 38 74 68 20 44 65 63 20 31 39 39 30 29 | (28th Dec 1990)| 000000e0 22 0d 00 5a 11 f4 20 41 6c 74 65 72 61 74 69 6f |"..Z.. Alteratio| 000000f0 6e 73 0d 00 64 05 f4 0d 00 6e 13 74 61 73 6b 25 |ns..d....n.task%| 00000100 3d 26 34 42 35 33 34 31 35 34 0d 00 78 17 70 61 |=&4B534154..x.pa| 00000110 74 68 24 3d 22 3c 43 52 43 24 50 61 74 68 3e 2e |th$="<CRC$Path>.| 00000120 22 0d 00 82 38 c8 99 20 22 57 69 6d 70 5f 49 6e |"...8.. "Wimp_In| 00000130 69 74 69 61 6c 69 73 65 22 2c 32 30 30 2c 74 61 |itialise",200,ta| 00000140 73 6b 25 2c 22 43 52 43 22 20 b8 20 2c 74 61 73 |sk%,"CRC" . ,tas| 00000150 6b 5f 68 61 6e 64 6c 65 25 0d 00 8c 09 f2 69 6e |k_handle%.....in| 00000160 69 74 0d 00 96 0e ee 20 85 20 f2 65 72 72 6f 72 |it..... . .error| 00000170 0d 00 a0 05 f5 0d 00 aa 24 20 20 c8 99 20 22 57 |........$ .. 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"info":$(| 00001040 77 62 25 21 28 38 38 2b 31 32 38 2b 32 30 29 29 |wb%!(88+128+20))| 00001050 3d 76 65 72 73 69 6f 6e 24 0d 06 fe 30 20 20 20 |=version$...0 | 00001060 20 c9 20 22 6d 61 69 6e 22 3a 66 69 6c 65 6e 61 | . 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"Wimp_Crea| 00001160 74 65 57 69 6e 64 6f 77 22 2c 2c 77 62 25 20 b8 |teWindow",,wb% .| 00001170 20 77 69 6e 64 6f 77 25 28 57 25 29 0d 07 44 08 | window%(W%)..D.| 00001180 ed 20 57 25 0d 07 4e 1b c8 99 20 22 57 69 6d 70 |. W%..N... "Wimp| 00001190 5f 43 6c 6f 73 65 54 65 6d 70 6c 61 74 65 22 0d |_CloseTemplate".| 000011a0 07 58 05 e1 0d 07 62 0f dc 20 69 6e 66 6f 2c 6d |.X....b.. info,m| 000011b0 61 69 6e 0d 07 6c 04 0d 07 76 0b dd f2 65 72 72 |ain..l...v...err| 000011c0 6f 72 0d 07 80 0a 2a 43 4c 4f 53 45 0d 07 8a 06 |or....*CLOSE....| 000011d0 ef 37 0d 07 94 15 45 25 3d a4 65 72 72 6f 72 28 |.7....E%=.error(| 000011e0 33 2c 9f 2c f6 24 29 0d 07 9e 11 e7 20 45 25 3d |3,.,.$)..... E%=| 000011f0 32 20 65 6e 64 25 3d b9 0d 07 a8 05 e1 0d 07 b2 |2 end%=.........| 00001200 04 0d 07 bc 15 dd a4 65 72 72 6f 72 28 45 25 2c |.......error(E%,| 00001210 4e 25 2c 4d 24 29 0d 07 c6 18 c8 99 20 22 48 6f |N%,M$)...... "Ho| 00001220 75 72 67 6c 61 73 73 5f 53 6d 61 73 68 22 0d 07 |urglass_Smash"..| 00001230 d0 19 c8 99 20 22 57 69 6d 70 5f 44 72 61 67 42 |.... "Wimp_DragB| 00001240 6f 78 22 2c 2c 2d 31 0d 07 da 28 21 70 62 25 3d |ox",,-1...(!pb%=| 00001250 4e 25 3a 24 28 70 62 25 2b 34 29 3d 4d 24 2b 22 |N%:$(pb%+4)=M$+"| 00001260 20 61 74 20 22 2b c3 28 9e 29 2b bd 28 30 29 0d | at "+.(.)+.(0).| 00001270 07 e4 2d c8 99 20 22 57 69 6d 70 5f 52 65 70 6f |..-.. 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"Wimp_| 00001720 47 65 74 50 6f 69 6e 74 65 72 49 6e 66 6f 22 2c |GetPointerInfo",| 00001730 2c 70 62 25 0d 09 b0 0c 62 25 3d 70 62 25 21 38 |,pb%....b%=pb%!8| 00001740 0d 09 ba 0a e7 20 62 25 20 8c 0d 09 c4 0d 20 20 |..... b% ..... | 00001750 c8 8e 20 65 25 20 ca 0d 09 ce 12 20 20 20 20 c9 |.. e% ..... .| 00001760 20 32 3a 65 6e 64 25 3d b9 0d 09 d8 07 20 20 cb | 2:end%=..... .| 00001770 0d 09 e2 05 cd 0d 09 ec 10 f2 6d 65 6e 75 5f 63 |..........menu_c| 00001780 72 65 61 74 65 0d 09 f6 05 e1 0d 0a 00 04 0d 0a |reate...........| 00001790 0a 15 dd f2 6c 6f 61 64 28 66 69 6c 65 6e 61 6d |....load(filenam| 000017a0 65 24 29 0d 0a 14 0b ea 20 58 25 2c 6e 25 0d 0a |e$)..... X%,n%..| 000017b0 1e 13 6e 25 3d a9 28 66 69 6c 65 6e 61 6d 65 24 |..n%=.(filename$| 000017c0 29 0d 0a 28 2b c8 95 20 c1 66 69 6c 65 6e 61 6d |)..(+.. .filenam| 000017d0 65 24 2c 6e 25 2c 31 29 3c 3e 22 2e 22 20 80 20 |e$,n%,1)<>"." . | 000017e0 6e 25 3e 30 3a 6e 25 2d 3d 31 3a ce 0d 0a 32 2e |n%>0:n%-=1:...2.| 000017f0 6e 61 6d 65 24 3d c1 66 69 6c 65 6e 61 6d 65 24 |name$=.filename$| 00001800 2c 6e 25 2b 31 29 3a 24 66 69 6c 65 6e 61 6d 65 |,n%+1):$filename| 00001810 3d 66 69 6c 65 6e 61 6d 65 24 0d 0a 3c 25 58 25 |=filename$..<%X%| 00001820 3d 8e 28 66 69 6c 65 6e 61 6d 65 24 29 3a 6c 65 |=.(filename$):le| 00001830 6e 67 74 68 25 3d a2 23 58 25 3a d9 23 58 25 0d |ngth%=.#X%:.#X%.| 00001840 0a 46 29 6d 61 78 5f 6c 65 6e 67 74 68 25 3d 6c |.F)max_length%=l| 00001850 65 6e 67 74 68 25 3a 63 72 63 3d a4 63 72 63 28 |ength%:crc=.crc(| 00001860 6c 65 6e 67 74 68 25 29 0d 0a 50 2e f2 75 70 64 |length%)..P..upd| 00001870 61 74 65 69 63 6f 6e 28 77 69 6e 64 6f 77 25 28 |ateicon(window%(| 00001880 32 29 2c 33 2c 66 69 6c 65 6e 61 6d 65 69 25 2c |2),3,filenamei%,| 00001890 6e 61 6d 65 24 29 0d 0a 5a 31 f2 75 70 64 61 74 |name$)..Z1.updat| 000018a0 65 69 63 6f 6e 28 77 69 6e 64 6f 77 25 28 32 29 |eicon(window%(2)| 000018b0 2c 34 2c 6c 65 6e 67 74 68 69 25 2c c3 28 6c 65 |,4,lengthi%,.(le| 000018c0 6e 67 74 68 25 29 29 0d 0a 64 29 f2 75 70 64 61 |ngth%))..d).upda| 000018d0 74 65 69 63 6f 6e 28 77 69 6e 64 6f 77 25 28 32 |teicon(window%(2| 000018e0 29 2c 35 2c 63 72 63 69 25 2c c3 7e 63 72 63 29 |),5,crci%,.~crc)| 000018f0 0d 0a 6e 05 e1 0d 0a 78 04 0d 0a 82 12 dd a4 63 |..n....x.......c| 00001900 72 63 28 6c 65 6e 67 74 68 25 29 0d 0a 8c 09 ea |rc(length%).....| 00001910 20 63 72 63 0d 0a 96 16 21 6d 61 78 6c 65 6e 67 | crc....!maxleng| 00001920 74 68 3d 6c 65 6e 67 74 68 25 0d 0a a0 37 c8 99 |th=length%...7..| 00001930 20 22 48 6f 75 72 67 6c 61 73 73 5f 4f 6e 22 3a | "Hourglass_On":| 00001940 63 72 63 3d ba 28 63 61 6c 63 63 72 63 29 3a c8 |crc=.(calccrc):.| 00001950 99 20 22 48 6f 75 72 67 6c 61 73 73 5f 4f 66 66 |. "Hourglass_Off| 00001960 22 0d 0a aa 08 3d 63 72 63 0d 0a b4 04 0d 0a be |"....=crc.......| 00001970 0b dd f2 6d 63 6f 64 65 0d 0a c8 13 ea 20 4e 25 |...mcode..... N%| 00001980 2c 50 25 2c 73 70 2c 6c 69 6e 6b 0d 0a d2 3a 73 |,P%,sp,link...:s| 00001990 70 3d 31 33 3a 6c 69 6e 6b 3d 31 34 3a 63 72 63 |p=13:link=14:crc| 000019a0 3d 31 32 3a 73 70 61 72 65 3d 38 3a 6c 65 6e 67 |=12:spare=8:leng| 000019b0 74 68 3d 34 3a 6d 61 78 6c 65 6e 3d 35 3a 74 61 |th=4:maxlen=5:ta| 000019c0 62 6c 65 3d 39 0d 0a dc 12 e3 20 4e 25 3d 30 20 |ble=9..... N%=0 | 000019d0 b8 20 32 20 88 20 32 0d 0a e6 0c 50 25 3d 63 6f |. 2 . 2....P%=co| 000019e0 64 65 25 0d 0a f0 0c 5b 20 4f 50 54 20 4e 25 0d |de%....[ OPT N%.| 000019f0 0a fa 0c 2e 63 61 6c 63 63 72 63 0d 0b 04 17 20 |....calccrc.... | 00001a00 53 54 4d 46 44 20 28 73 70 29 21 2c 7b 6c 69 6e |STMFD (sp)!,{lin| 00001a10 6b 7d 0d 0b 0e 12 20 4d 4f 56 20 6c 65 6e 67 74 |k}.... MOV lengt| 00001a20 68 2c 23 30 0d 0b 18 14 20 41 44 52 20 63 72 63 |h,#0.... ADR crc| 00001a30 2c 63 72 63 73 65 65 64 0d 0b 22 12 20 4c 44 52 |,crcseed..". LDR| 00001a40 20 63 72 63 2c 5b 63 72 63 5d 0d 0b 2c 19 20 41 | crc,[crc]..,. A| 00001a50 44 52 20 6d 61 78 6c 65 6e 2c 6d 61 78 6c 65 6e |DR maxlen,maxlen| 00001a60 67 74 68 0d 0b 36 18 20 4c 44 52 20 6d 61 78 6c |gth..6. LDR maxl| 00001a70 65 6e 2c 5b 6d 61 78 6c 65 6e 5d 0d 0b 40 17 20 |en,[maxlen]..@. | 00001a80 41 44 52 20 74 61 62 6c 65 2c 63 72 63 74 61 62 |ADR table,crctab| 00001a90 6c 65 0d 0b 4a 16 20 4d 4f 56 20 52 30 2c 23 25 |le..J. MOV R0,#%| 00001aa0 30 31 30 30 31 31 31 31 0d 0b 54 14 20 41 44 52 |01001111..T. ADR| 00001ab0 20 52 31 2c 66 69 6c 65 6e 61 6d 65 0d 0b 5e 12 | R1,filename..^.| 00001ac0 20 53 57 49 20 22 4f 53 5f 46 69 6e 64 22 0d 0b | SWI "OS_Find"..| 00001ad0 68 0e 20 43 4d 50 20 52 30 2c 23 30 0d 0b 72 0d |h. CMP R0,#0..r.| 00001ae0 20 42 45 51 20 65 78 69 74 0d 0b 7c 0e 20 4d 4f | BEQ exit..|. MO| 00001af0 56 20 52 31 2c 52 30 0d 0b 86 0a 20 2e 6c 6f 6f |V R1,R0.... .loo| 00001b00 70 0d 0b 90 12 20 53 57 49 20 22 4f 53 5f 42 47 |p.... SWI "OS_BG| 00001b10 65 74 22 0d 0b 9a 0d 20 42 43 53 20 65 78 69 74 |et".... BCS exit| 00001b20 0d 0b a4 19 20 41 44 44 20 6c 65 6e 67 74 68 2c |.... ADD length,| 00001b30 6c 65 6e 67 74 68 2c 23 31 0d 0b ae 16 20 43 4d |length,#1.... CM| 00001b40 50 20 6c 65 6e 67 74 68 2c 6d 61 78 6c 65 6e 0d |P length,maxlen.| 00001b50 0b b8 0d 20 42 47 54 20 65 78 69 74 0d 0b c2 15 |... BGT exit....| 00001b60 20 80 20 73 70 61 72 65 2c 63 72 63 2c 23 26 46 | . spare,crc,#&F| 00001b70 46 0d 0b cc 15 20 82 20 73 70 61 72 65 2c 52 30 |F.... . spare,R0| 00001b80 2c 73 70 61 72 65 0d 0b d6 24 20 4c 44 52 20 73 |,spare...$ LDR s| 00001b90 70 61 72 65 2c 5b 74 61 62 6c 65 2c 73 70 61 72 |pare,[table,spar| 00001ba0 65 2c 20 4c 53 4c 20 23 32 5d 0d 0b e0 1b 20 82 |e, LSL #2].... .| 00001bb0 20 63 72 63 2c 73 70 61 72 65 2c 63 72 63 2c 4c | crc,spare,crc,L| 00001bc0 53 52 20 23 38 0d 0b ea 0b 20 42 20 6c 6f 6f 70 |SR #8.... B loop| 00001bd0 0d 0b f4 09 2e 65 78 69 74 0d 0b fe 0e 20 4d 4f |.....exit.... MO| 00001be0 56 20 52 30 2c 23 30 0d 0c 08 12 20 53 57 49 20 |V R0,#0.... SWI | 00001bf0 22 4f 53 5f 46 69 6e 64 22 0d 0c 12 0f 20 4d 4f |"OS_Find".... MO| 00001c00 56 20 52 30 2c 63 72 63 0d 0c 1c 15 20 4c 44 4d |V R0,crc.... LDM| 00001c10 46 44 20 28 73 70 29 21 2c 7b 50 43 7d 0d 0c 26 |FD (sp)!,{PC}..&| 00001c20 0a 20 41 4c 49 47 4e 0d 0c 30 0c 2e 63 72 63 73 |. ALIGN..0..crcs| 00001c30 65 65 64 0d 0c 3a 13 20 45 51 55 44 20 26 46 46 |eed..:. EQUD &FF| 00001c40 46 46 46 46 46 46 0d 0c 44 0a 20 41 4c 49 47 4e |FFFFFF..D. ALIGN| 00001c50 0d 0c 4e 0d 2e 66 69 6c 65 6e 61 6d 65 0d 0c 58 |..N..filename..X| 00001c60 13 20 45 51 55 53 20 c4 32 35 35 2c 22 20 22 29 |. EQUS .255," ")| 00001c70 0d 0c 62 0a 20 41 4c 49 47 4e 0d 0c 6c 0e 2e 6d |..b. ALIGN..l..m| 00001c80 61 78 6c 65 6e 67 74 68 0d 0c 76 0b 20 45 51 55 |axlength..v. EQU| 00001c90 44 20 30 0d 0c 80 0a 20 41 4c 49 47 4e 0d 0c 8a |D 0.... ALIGN...| 00001ca0 0d 2e 63 72 63 74 61 62 6c 65 0d 0c 94 05 5d 0d |..crctable....].| 00001cb0 0c 9e 08 ed 20 4e 25 0d 0c a8 05 e1 0d ff |.... N%.......| 00001cbe