Home » Archimedes archive » Archimedes World » AW-1992-10.adf » AWOct92 » !AWOct92/Goodies/CavesGame/!Caves/!RunImage
!AWOct92/Goodies/CavesGame/!Caves/!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 » Archimedes World » AW-1992-10.adf » AWOct92 |
| Filename: | !AWOct92/Goodies/CavesGame/!Caves/!RunImage |
| Read OK: | ✔ |
| File size: | A5E9 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
10REM >!RunImage
20:
30REM ****************************
40REM * Caves of Doom *
50REM * By Duncan F. McPherson *
60REM * (c) 6th of December 1991 *
70REM * Version 1.0 *
80REM ****************************
90:
100SYS "OS_GetEnv" TO comm$
110p=INSTR(comm$,"""",INSTR(comm$,"""")+1)
120comm$=MID$(comm$,p+1)
130WHILE LEFT$(comm$,1)=" "
140comm$=MID$(comm$,2)
150ENDWHILE
160:
170DIM taskid%4:$taskid%="TASK"
180SYS "Wimp_Initialise",200,!taskid%,"Caves" TO version%
190DIM q% &300:!q%=-1:q%!4=-16:q%!8=0:q%!12=68:q%!20=&3002:$(q%+24)="!Caves"
200DIM buffer% &300,block% &400
210SYS "Wimp_CreateIcon",,q% TO icon%
220PROCassemble:PROCloaddata
230ON ERROR PROCerror
240IF comm$<>"" PROCplaygame:comm$=""
250quit%=FALSE:REPEAT
260SYS "Wimp_Poll",0,q% TO A%
270CASE A% OF
280WHEN 2:PROCopenwindow(!q%,q%!4,q%!8,q%!12,q%!16,q%!20,q%!24,q%!28)
290WHEN 6:PROCmousebutton
300WHEN 9:PROCmenusel(!q%)
310WHEN 17,18:PROCmessage
320ENDCASE
330UNTILquit%
340SYS "Wimp_CloseDown"
350END
360:
370DEFPROCmessage
380CASE q%!16 OF
390WHEN 0:quit%=TRUE
400WHEN 3:PROCnewgameload
410WHEN 5:PROCnewgameload
420ENDCASE:ENDPROC
430:
440DEFPROCnewgameload
450IF q%!40<>&049 ENDPROC
460q%!12=q%!8:q%!16=4:SYS "Wimp_SendMessage",17,q%,q%!4
470PROCloadgame(FNfilename(q%+44))
480PROCplaygame
490ENDPROC
500:
510DEFFNfilename(address%)
520A$="":REPEAT:B$=CHR$(?address%):address%+=1
530IF B$<>CHR$0 AND B$<>CHR$13 A$=A$+B$
540UNTIL B$=CHR$0 OR B$=CHR$13:=A$
550:
560DEFPROCplaygame
570oldmode%=MODE:SYS "Wimp_SetMode",15
580IF MODE<>15 ERROR 255,"I need 160K free memory for the game screen!"
590SYS "OS_CheckModeValid",15 TO valid%
600IF valid%=-2 ERROR 255,"I need 160K free memory for the game screen!"
610MODE9:PROCpallete:COLOUR128+7:PROCreadscreen
620PROCstartscreen:SYS "Wimp_SetMode",oldmode%:ENDPROC
630:
640DEFPROCmenusel(option%)
650IF option%=2 quit%=TRUE
660ENDPROC
670:
680DEFPROCopenwindow(handle%,x0%,y0%,x1%,y1%,scx%,scy%,bhandle%)
690IF handle%=-1 THEN ENDPROC
700q%!0=handle%:q%!28=bhandle%:q%!4=x0%:q%!8=y0%:q%!12=x1%:q%!16=y1%
710q%!20=scx%:q%!24=scy%:SYS "Wimp_OpenWindow",,q%
720ENDPROC
730:
740DEFPROCmousebutton
750IF q%!12=-2 AND q%!8=2 PROCdomenu(101,"Info,Game,Quit","Caves")
760IF q%!12=-2 AND q%!8=4 AND filestat$="yes" PROCplaygame
770IF q%!12=-2 AND q%!8=4 AND filestat$="no" PROCsorry
780ENDPROC
790:
800DEFPROCsorry
810block%!0=255:$(block%+4)="Welcome to caves of doom.To play a game double click on a cave file or drag one onto my icon on the iconbar."
820SYS "Wimp_ReportError",block%,17,"Caves of Doom"
830ENDPROC
840:
850DEFPROCerror
860!q%=ERR:$(q%+4)=REPORT$+" (internal error number "+STR$(ERL)+")"+CHR$0
870IF ERR=255 $(q%+4)=REPORT$
880SYS "Wimp_ReportError",q%,1,"Caves"
890ENDPROC
900:
910DEFPROCdomenu(handle%,menu$,menutitle$)
920menuhandle%=handle%:menuptr%=buffer%:i%=0
930menuptr%!20=40:$menuptr%=menutitle$
940menuptr%?12=7:menuptr%?13=2:menuptr%?14=7:menuptr%?15=0
950menuptr%!16=96:menuptr%!24=0:menuptr%+=28
960REPEAT:item$=FNpar(","):PROCmenuitem(item$):UNTIL item$=""
970menuptr%!-24=(menuptr%!-24) OR &80
980SYS "Wimp_CreateMenu",,buffer%,q%!0-64,248
990ENDPROC
1000:
1010DEF PROCmenuitem(text$)
1020IF text$="" ENDPROC
1030!menuptr%=0:menuptr%!4=-1:menuptr%!8=&07000021:$(menuptr%+12)=text$
1040IF text$="Info" menuptr%!4=info%
1050IF text$="Game" menuptr%!4=game%
1060menuptr%+=24:ENDPROC
1070:
1080DEFFNpar(sep$)
1090i1%=i%+1:i%=INSTR(menu$+sep$,sep$,i1%)
1100=MID$(menu$,i1%,i%-i1%)
1110:
1120DEFPROCloaddata
1130filestat$="no":*CHANNELVOICE 1 8
1140SYS "OS_SpriteOp",265,spritearea
1150SYS "OS_SpriteOp",266,spritearea,"<Caves$Dir>.CaveSprs"
1160DIM pass$(5):DIM screen% 16:screen%!0=148:screen%!4=-1
1170DIM infowin% &200,gamewin% &200
1180SYS "Wimp_OpenTemplate",,"<Caves$Dir>.Templates"
1190SYS "Wimp_LoadTemplate",,block%,infowin%,infowin%+&200,-1,"info"
1200SYS "Wimp_CreateWindow",,block% TO info%
1210SYS "Wimp_LoadTemplate",,block%,gamewin%,gamewin%+&200,-1,"game"
1220SYS "Wimp_CreateWindow",,block% TO game%
1230SYS "Wimp_CloseTemplate"
1240IF comm$<>"" PROCloadgame(comm$)
1250ENDPROC
1260:
1270DEFPROCloadgame(filename$)
1280OSCLI("LOAD "+filename$+" "+STR$~loadgamefile)
1290PROCgetpass
1300gamename$=$gamename:gamedesign$=$gamedesigner:gametime$=$gametime
1310q%!0=game%:q%!4=5:SYS "Wimp_GetIconState",,q%
1320$(q%!28)=gamename$:q%!8=0:q%!12=0:SYS "Wimp_SetIconState",,q%
1330q%!0=game%:q%!4=6:SYS "Wimp_GetIconState",,q%
1340$(q%!28)=gamedesign$:q%!8=0:q%!12=0:SYS "Wimp_SetIconState",,q%
1350q%!0=game%:q%!4=11:SYS "Wimp_GetIconState",,q%
1360$(q%!28)=LEFT$(gametime$,15):q%!8=0:q%!12=0:SYS "Wimp_SetIconState",,q%
1370filestat$="yes"
1380ENDPROC
1390:
1400DEFPROCpallete
1410FOR y%=0 TO 95 STEP 6
1420VDU ?(pallete+y%),?(pallete+y%+1),?(pallete+y%+2),?(pallete+y%+3),?(pallete+y%+4),?(pallete+y%+5)
1430NEXT:ENDPROC
1440:
1450DEFPROCreadscreen
1460OSCLI"FX 112,1":OSCLI"FX 113,1"
1470SYS "OS_ReadVduVariables",screen%,screen%+8:screenstart%=screen%!8
1480OSCLI"FX 112,2":OSCLI"FX 113,2"
1490SYS "OS_ReadVduVariables",screen%,screen%+8:screenstart1%=screen%!8
1500OSCLI"FX 112,1":OSCLI"FX 113,1":VDU23;8202;0;0;0;
1510COLOUR135:screenstart!0=screenstart%:screenstart!4=screenstart1%
1520ENDPROC
1530:
1540DEFPROCassemble
1550DIM code% &B000
1560FOR opt%=0 TO 2 STEP 2
1570P%=code%:[OPT opt%
1580.mainlink
1590EQUD 0
1600.mainloop
1610STR R14,mainlink
1620.inloop
1630MOV R0,#0
1640STR R0,didmapscroll
1650MOV R0,#121 ; Osbyte number 121 - Keyboard Scan
1660MOV R1,#79 OR &80
1670SWI "OS_Byte"
1680CMP R1,#&FF
1690BLEQ scrolldown
1700MOV R1,#104 OR &80
1710MOV R0,#121
1720SWI "OS_Byte"
1730CMP R1,#&FF
1740BLEQ scrollup
1750MOV R1,#97 OR &80
1760MOV R0,#121
1770SWI "OS_Byte"
1780CMP R1,#&FF
1790BLEQ scrollright
1800MOV R1,#66 OR &80
1810MOV R0,#121
1820SWI "OS_Byte"
1830CMP R1,#&FF
1840BLEQ scrollleft
1850:
1860BL updaterocks
1870BL screenbank
1880BL plotmap
1890BL plothim
1900BL clearkeys
1910LDR R0,finishedmap
1920CMP R0,#1
1930BEQ endofgame
1940:
1950MOV R1,#96 OR &80 ; Load R1 with 112 OR &80 (96=TAB)
1960MOV R0,#121 ; OSBYTE 121 - keyboard scan
1970SWI "OS_Byte" ; Call OSBYTE
1980LDR R0,dead
1990CMP R1,#&FF
2000MOVEQ R0,#1
2010STR R0,dead
2020LDR R0,dead ; Load the variable dead into R0
2030CMP R0,#1 ; Is the player dead
2040BEQ endofgame
2050B inloop ; Loop back again
2060.endofgame
2070BL screenbank
2080BL plotmap
2090BL plothim
2100LDR R0,dead
2110CMP R0,#1
2120BLEQ deathanimation
2130LDR R14,mainlink
2140MOV PC,R14
2150:
2160.earthcount
2170EQUD 0
2180.goldcount
2190EQUD 0
2200.goldtotal
2210EQUD 0
2220.level
2230EQUD 0
2240.dead
2250EQUD 0
2260.lives
2270EQUD 3
2280.finishedmap
2290EQUD 0
2300.movelink
2310EQUD 0
2320.scrollcounter
2330EQUD 0
2340.xstore
2350EQUD 0
2360.ystore
2370EQUD 0
2380.result
2390EQUD 0
2400.canhemove
2410EQUD 0
2420.newtile
2430EQUD 0
2440:
2450.rockslink
2460EQUD 0
2470.updatemap
2480EQUD 0
2490.endofmap
2500EQUD 27*40
2510:
2520.deathanimation
2530STR R14,rockslink
2540MOV R0,#1 ; Channel 1
2550MOV R1,#15 ; Volume +15
2560RSB R1,R1,#0 ; Make volume negative (-15)
2570MOV R2,#200 ; Pitch 200
2580MOV R3,#4 ; Duration 40
2590SWI "Sound_Control" ; Generate the sound
2600MOV R0,#8 ; Set r0 to 8 (direction 8 = dead)
2610STR R0,direction ; And put 8 into the var direction
2620MOV R0,#0
2630STR R0,frame
2640BL rocksound
2650BL foursyncs
2660BL screenbank
2670BL plotmap
2680BL plothim
2690BL foursyncs
2700BL newframe
2710BL screenbank
2720BL plotmap
2730BL plothim
2740BL screenbank
2750BL foursyncs
2760BL plotmap
2770BL screenbank
2780BL foursyncs
2790BL plotmap
2800LDR R14,rockslink
2810MOV PC,R14
2820:
2830.rocksound
2840MOV R0,#1 ; Channel 1
2850MOV R1,#15 ; Volume +15
2860RSB R1,R1,#0 ; Make volume negative (-15)
2870MOV R2,#200 ; Pitch 200
2880MOV R3,#4 ; Duration 10
2890SWI "Sound_Control" ; Generate the sound
2900MOV PC,R14
2910.countdiamonds
2920LDR R0,mappointer
2930MOV R1,#0 ; Set the number of diamonds to zero
2940MOV R2,#0 ; Set the y counter to zero
2950.ycountloop
2960MOV R3,#0 ; Set the x counter to zero
2970.xcountloop
2980LDRB R4,[R0] ; Load a tile into R4
2990ADD R0,R0,#1 ; Add 1 to the map pointer
3000CMP R4,#32+19 ; Is the tile a diamond ?
3010ADDEQ R1,R1,#1 ; If yes add 1 to the diamond counter
3020ADD R3,R3,#1 ; Add 1 to the x counter
3030CMP R3,#40 ; Is a line scanned yet ?
3040BNE xcountloop
3050ADD R2,R2,#1 ; Add 1 to the y counter
3060CMP R2,#28 ; Has the map been scanned yet ?
3070BNE ycountloop
3080STR R1,goldtotal ; Store the diamond count at goldtotal
3090MOV PC,R14
3100:
3110.newframe
3120LDR R0,frame
3130CMP R0,#1
3140MOVEQ R0,#0
3150MOVNE R0,#1
3160STR R0,frame
3170MOV PC,R14
3180:
3190.updaterocks
3200STR R14,rockslink ; Store the link register in rockslink
3210LDR R5,xmappos:ADD R5,R5,#3 ; Set R5 to point to the mans x pos
3220LDR R6,ymappos:ADD R6,R6,#3 ; Set R6 to point to the mans y pos
3230STR R5,xstore
3240STR R6,ystore
3250MOV R0,#28
3260STR R0,newtile
3270BL changetile
3280LDR R10,mappointer ; R10 points to map data
3290LDR R11,endofmap ; Load R11 with the value of endofmap
3300ADD R10,R10,R11 ; Add the map y pointer to map pointer
3310MOV R9,#27 ; Set the map y counter to 27
3320.yrockloop
3330MOV R8,#0 ; Set the x map counter to 0
3340.xrockloop
3350LDRB R11,[R10] ; Load a tile into R11
3360CMP R11,#3+32 ; Is the tile a rock
3370BLEQ rockfound ; If it is check it
3380SUB R10,R10,#1 ; Subtract 1 from the map pointer
3390ADD R8,R8,#1 ; Add 1 to the x map counter
3400CMP R8,#40 ; Is that the end of the line ?
3410BNE xrockloop ; If not loop back
3420SUB R9,R9,#1 ; Subtract 1 from the y map counter
3430CMN R9,#1 ; Has the y counter reached -1 yet ?
3440BNE yrockloop ; If not loop back
3450MOV R0,#0
3460STR R0,newtile
3470BL changetile
3480LDR R14,rockslink ; Reload the link register
3490MOV PC,R14
3500:
3510.rockfound
3520MOV R0,R10 ; Put the address of the rock in R0
3530ADD R0,R0,#40 ; Get the address 1 tile below the rock
3540LDRB R11,[R0] ; Load the tile from there into R0
3550CMP R11,#32+0 ; Is the tile a blank space ?
3560BNE notablank
3570STRB R11,[R10] ; Store a blank tile over the rock
3580MOV R11,#32+3 ; Load R11 with a rock
3590STRB R11,[R0] ; And place the rock in its new position
3600B checkformanbelow ; Check to see if man was hit by rock
3610.notablank
3620MOV R5,R11 ; Put the value of the tile in R5
3630CMP R11,#32+4 ; Is the tile a left slope ?
3640BEQ leftslope
3650CMP R11,#32+6 ; Is the tile a right slope ?
3660BEQ rightslope
3670CMP R5,#32+19 ; Is the tile a diamond
3680BEQ leftslope
3690CMP R5,#32+3 ; Is the tile a rock
3700BEQ leftslope
3710CMP R5,#32+22 ; Is the tile a power pill
3720BEQ leftslope
3730.returnfromslope
3740CMP R5,#32+22 ; Is the tile a power pill
3750BEQ rightslope
3760CMP R5,#32+3 ; Is the tile a rock
3770BEQ rightslope
3780CMP R5,#32+19 ; Is the tile a diamond
3790BEQ rightslope
3800MOV PC,R14
3810.checkformanbelow
3820ADD R0,R0,#40 ; Get the address 1 tile below again
3830LDRB R11,[R0] ; Load tile from the address
3840LDR R1,dead ; Load R1 with the variable dead
3850CMP R11,#28+32 ; Is the man in that tile ?
3860MOVEQ R1,#1 ; If yes, he is now dead
3870STR R1,dead ; Store the variable dead
3880B rocksound
3890MOV PC,R14
3900:
3910.leftslope
3920MOV R6,R10
3930SUB R6,R6,#1 ; Move the address 1 tile to the left
3940LDRB R11,[R6] ; And get the tile from there
3950CMP R11,#32+0 ; Is it a blank space ?
3960BNE returnfromslope ; If not exit this subroutine immediately
3970ADD R6,R6,#40
3980LDRB R11,[R6] ; And get the tile from there
3990CMP R11,#32+0 ; Is it a blank space ?
4000BNE returnfromslope ; If not exit this subroutine immediately
4010MOV R7,#32+3 ; Load R7 with the value of a rock
4020STRB R7,[R6] ; And put the rock in its new position
4030MOV R7,#32+0 ; Load R7 with the value of a blank space
4040STRB R7,[R10] ; And put the space over the old rock pos
4050ADD R6,R6,#40 ; Get the address 1 tile below again
4060LDRB R11,[R6] ; Load tile from the address
4070LDR R1,dead ; Load R1 with the variable dead
4080CMP R11,#28+32 ; Is the man in that tile ?
4090MOVEQ R1,#1 ; If yes, he is now dead
4100CMP R11,#32+3 ; Is there a rock in that tile ?
4110BEQ checkleftdead ; If yes check to see if man is next to it
4120CMP R11,#32+19 ; Is there a diamond in that tile ?
4130BEQ checkleftdead ; If yes check to see if man is next to it
4140CMP R11,#32+22 ; Is there a power pill in that tile ?
4150BEQ checkleftdead ; If yes check to see if man is next to it
4160CMP R11,#32+4 ; Is there a left slope in that tile ?
4170STR R1,dead ; Store the variable dead
4180B rocksound
4190MOV PC,R14
4200.checkleftdead
4210SUB R6,R6,#1 ; Get address of tile 1 to the left
4220LDRB R11,[R6] ; Load tile from the address
4230CMP R11,#28+32 ; Is the man in that tile ?
4240MOVEQ R1,#1 ; If yes, he is now dead
4250STR R1,dead ; Store the variable dead
4260MOV PC,R14
4270:
4280.rightslope
4290MOV R6,R10
4300ADD R6,R6,#1 ; Move the address 1 tile to the right
4310LDRB R11,[R6] ; And get the tile from there
4320CMP R11,#32+0 ; Is it a blank space ?
4330MOVNE PC,R14
4340ADD R6,R6,#40
4350LDRB R11,[R6] ; And get the tile from there
4360CMP R11,#32+0 ; Is it a blank space ?
4370MOVNE PC,R14
4380MOV R7,#32+3 ; Load R7 with the value of a rock
4390STRB R7,[R6] ; And put the rock in its new position
4400MOV R7,#32+0 ; Load R7 with the value of a blank space
4410STRB R7,[R10] ; And put the space over the old rock pos
4420ADD R6,R6,#40 ; Get the address 1 below the new rock
4430LDR R1,dead ; Load the variable dead
4440LDRB R11,[R6] ; Load the tile into R11
4450CMP R11,#28+32 ; Is the man in that tile ?
4460MOVEQ R1,#1 ; If yes, he is now dead
4470CMP R11,#32+3 ; Is a rock in that tile
4480BEQ checkrightdead
4490CMP R11,#32+22 ; Is a power pill in that tile
4500BEQ checkrightdead
4510CMP R11,#32+6 ; Is a right slope in that tile ?
4520BEQ checkrightdead
4530CMP R11,#32+19 ; Is a diamond in that tile ?
4540BEQ checkrightdead
4550STR R1,dead ; Store the variable dead
4560MOV PC,R14
4570.checkrightdead
4580ADD R6,R6,#1
4590LDRB R11,[R6]
4600CMP R11,#28+32
4610MOVEQ R1,#1
4620STR R1,dead
4630B rocksound
4640MOV PC,R14
4650:
4660.wasthere
4670EQUD 0
4680.doupdatemap
4690EQUD 0
4700.isrockstable
4710STR R14,checklink
4720MOV R10,#0
4730LDR R0,ystore:ADD R0,R0,#1:STR R0,ystore
4740BL checktile
4750LDR R0,result ; Find out whats below the rock
4760CMP R0,#0 ; Is it a blank ?
4770MOVEQ R10,#1 ; If it is the rock is unstable
4780STREQ R10,doupdatemap ; And the map must be updated to show it
4790BEQ endrockstable ; So finish if it is unstable
4800.endrockstable
4810STR R10,result
4820LDR R14,checklink
4830MOV PC,R14
4840:
4850.checktile
4860LDR R3,xstore ; get the x coord of tile to find
4870LDR R4,ystore ; get the y coord of tile to find
4880MOV R2,#40 ; Load R2 with the value 40
4890MUL R4,R2,R4 ; Multiply R4 by 40
4900ADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
4910LDR R3,mappointer
4920ADD R3,R3,R2 ; Set R3 to point to a tile in the map
4930LDRB R2,[R3] ; And load the value of that tile
4940SUB R2,R2,#32 ; Set the letter A of map data to be 0
4950STR R2,result ; Store the tile number in "result"
4960MOV PC,R14
4970:
4980.getgold
4990LDR R0,goldcount
5000ADD R0,R0,#1
5010STR R0,goldcount
5020MOV R0,#0
5030STR R0,newtile
5040LDR R0,goldcount
5050LDR R12,goldtotal
5060CMP R0,R12
5070MOVEQ R0,#1
5080STREQ R0,finishedmap
5090LDR R0,goldcount
5100LDR R1,goldtotal
5110SUB R0,R1,R0 ; Place number of tiles to get in R0
5120ADR R1,numberbuffer ; Load R1 with a buffer
5130MOV R2,#20 ; Set R2 to the buffer size
5140SWI "OS_ConvertInteger4" ; Convert the number
5150MOV R0,#112:MOV R1,#2:SWI "OS_Byte"
5160SWI 256+31 ; Print chr$ 31 (move cursor)
5170MOV R0,#34
5180SWI "OS_WriteC"
5190MOV R0,#9
5200SWI "OS_WriteC"
5210ADR R0,blankbuffer
5220SWI "OS_Write0"
5230SWI 256+31:MOV R0,#34:SWI "OS_WriteC":MOV R0,#9:SWI "OS_WriteC"
5240ADR R0,numberbuffer ; Load R0 with the buffer
5250SWI "OS_Write0" ; Print the string
5260MOV R0,#112:MOV R1,#1:SWI "OS_Byte"
5270SWI 256+31 ; Print chr$ 31 (move cursor)
5280MOV R0,#34
5290SWI "OS_WriteC"
5300MOV R0,#9
5310SWI "OS_WriteC"
5320ADR R0,blankbuffer
5330SWI "OS_Write0"
5340SWI 256+31:MOV R0,#34:SWI "OS_WriteC":MOV R0,#9:SWI "OS_WriteC"
5350ADR R0,numberbuffer ; Load R0 with the buffer
5360SWI "OS_Write0"
5370B changetile
5380:
5390.blankbuffer
5400EQUS " "+CHR$0
5410.numberbuffer
5420EQUS " ":ALIGN
5430.getearth
5440LDR R0,earthcount
5450ADD R0,R0,#1
5460STR R0,earthcount
5470MOV R0,#0 ; Load R0 with zero (0=Blank space)
5480STR R0,newtile ; Set newtile to blank space
5490.changetile
5500LDR R3,xstore ; get the x coord of tile to change
5510LDR R4,ystore ; get the y coord of tile to change
5520MOV R2,#40 ; Load R2 with the value 40
5530MUL R4,R2,R4 ; Multiply R4 by 40
5540ADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
5550LDR R3,mappointer ; Get the pointer to the map data
5560ADD R3,R3,R2 ; Set R3 to point to a tile in the map
5570LDR R4,newtile ; Load R4 with the value of the newtile
5580ADD R4,R4,#32 ; Reset r4 so that tile 0 = 32
5590STRB R4,[R3] ; And save the newtile to the map
5600LDR R0,earthcount
5610ADR R1,numberbuffer ; Load R1 with a buffer
5620MOV R2,#20 ; Set R2 to the buffer size
5630SWI "OS_ConvertInteger4" ; Convert the number
5640MOV R0,#112:MOV R1,#2:SWI "OS_Byte"
5650SWI 256+31 ; Print chr$ 31 (move cursor)
5660MOV R0,#34
5670SWI "OS_WriteC"
5680MOV R0,#11
5690SWI "OS_WriteC"
5700ADR R0,numberbuffer ; Load R0 with the buffer
5710SWI "OS_Write0" ; Print the string
5720MOV R0,#112:MOV R1,#1:SWI "OS_Byte"
5730SWI 256+31 ; Print chr$ 31 (move cursor)
5740MOV R0,#34
5750SWI "OS_WriteC"
5760MOV R0,#11
5770SWI "OS_WriteC"
5780ADR R0,numberbuffer ; Load R0 with the buffer
5790SWI "OS_Write0" ; Print the string
5800MOV PC,R14
5810:
5820.canmove
5830LDR R0,result ; Load in the type of tile
5840MOV R1,#0
5850CMP R0,#0 ; Is the tile blank ?
5860MOVEQ R1,#1 ; If it is, set R1 to yes he can move
5870CMP R0,#3 ; Is the tile a rock ?
5880MOVEQ R1,#4 ; If it is, set R1 to indicate that
5890CMP R0,#20 ; Is the tile earth
5900MOVEQ R1,#5 ; If it is indicate that
5910CMP R0,#19 ; Is the tile gold
5920MOVEQ R1,#3 ; If it is indicate that
5930CMP R0,#22 ; Is the tile a Power Pill
5940MOVEQ R1,#5 ; <<< TEMOORARY NUMBER FOR POWER PILL >>>
5950CMP R0,#21 ; Is the tile poision ?
5960MOVEQ R1,#2 ; If it is indicate that
5970MOVEQ R2,#1 ; Load r2 with 1 (1=dead)
5980STREQ R2,dead ; And set the dead flag to TRUE (1=Dead)
5990STR R1,canhemove ; Store R1 to "canhemove"
6000MOV PC,R14
6010:
6020.checklink
6030EQUD 0
6040:
6050.checkrockleft
6060STR R14,checklink ; Store the link regsiter
6070LDR R0,xstore:ADD R0,R0,#1:STR R0,xstore
6080BL checktile ; Find out what is in the tile next to the rock
6090LDR R0,result ; Get the result of the check
6100CMP R0,#0 ; Is it a blank space ?
6110BEQ moverockleft ; If it is move the rock along into it
6120MOV R0,#0 ; Load R0 with the value 0 (0=No he cant move)
6130STR R0,canhemove ; And set the canhemove word to zero
6140LDR R14,checklink ; Reload the link register
6150MOV PC,R14 ; And exit the routine, the man cannot move
6160.moverockleft
6170MOV R0,#3 ; Set R0 to the value 3 (3=Rock)
6180STR R0,newtile ; And store the value in newtile
6190BL changetile ; Then change the tile into a rock
6200MOV R0,#0 ; Set R0 to the value 0 (0=Blank space)
6210STR R0,newtile ; And store the value in newtile
6220LDR R0,xstore:SUB R0,R0,#1:STR R0,xstore
6230BL changetile ; Then blank over the old rock with the space
6240MOV R0,#1 ; Load R0 with the value 1 (1=Yes he can move)
6250STR R0,canhemove ; And set the canhemove word to zero
6260LDR R14,checklink ; Reload the link register
6270MOV PC,R14 ; And exit the routine, the man can move
6280:
6290.checkrockright
6300STR R14,checklink ; Store the link regsiter
6310LDR R0,xstore:SUB R0,R0,#1:STR R0,xstore
6320BL checktile ; Find out what is in the tile next to the rock
6330LDR R0,result ; Get the result of the check
6340CMP R0,#0 ; Is it a blank space ?
6350BEQ moverockright ; If it is move the rock along into it
6360MOV R0,#0 ; Load R0 with the value 0 (0=No he cant move)
6370STR R0,canhemove ; And set the canhemove word to zero
6380LDR R14,checklink ; Reload the link register
6390MOV PC,R14 ; And exit the routine, the man cannot move
6400.moverockright
6410MOV R0,#3 ; Set R0 to the value 3 (3=Rock)
6420STR R0,newtile ; And store the value in newtile
6430BL changetile ; Then change the tile into a rock
6440MOV R0,#0 ; Set R0 to the value 0 (0=Blank space)
6450STR R0,newtile ; And store the value in newtile
6460LDR R0,xstore:ADD R0,R0,#1:STR R0,xstore
6470BL changetile ; Then blank over the old rock with the space
6480MOV R0,#1 ; Load R0 with the value 1 (1=Yes he can move)
6490STR R0,canhemove ; And set the canhemove word to one
6500LDR R14,checklink ; Reload the link register
6510MOV PC,R14 ; And exit the routine, the man can move
6520:
6530.screenbank
6540MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6550LDR R9,banknum
6560CMP R9,#0 ; Was bank 0 written to last
6570MOVEQ R9,#4 ; If yes write to bank 4 next
6580MOVNE R9,#0 ; If not write to bank 0 next
6590STR R9,banknum
6600MOV R0,#113 ; Set R0 to the value 113
6610LDR R9,banknum
6620CMP R9,#4
6630MOVEQ R1,#1
6640MOVNE R1,#2
6650SWI "OS_Byte"
6660MOV PC,R14
6670:
6680.foursyncs
6690MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6700MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6710MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6720MOV R0,#19:SWI "OS_Byte"
6730MOV R0,#19:SWI "OS_Byte"
6740MOV R0,#19:SWI "OS_Byte"
6750MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6760MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6770MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6780MOV PC,R14
6790:
6800.clearkeys
6810MOV R0,#15
6820MOV R1,#1
6830SWI "OS_Byte"
6840MOV PC,R14
6850:
6860.didmapscroll
6870EQUD0
6880.scrollleft
6890STR R14,movelink
6900MOV R0,#0
6910STR R0,direction
6920MOVR0,#1:STRR0,didmapscroll
6930LDR R0,xmappos:ADD R0,R0,#4:STR R0,xstore
6940LDR R0,ymappos:ADD R0,R0,#3:STR R0,ystore
6950BL checktile ; What type is the destination tile
6960BL canmove ; Can he walk on it
6970LDR R0,canhemove ; Better find out
6980CMP R0,#4 ; Is there a rock there
6990BLEQ checkrockleft ; If so, find out if it is movable
7000CMP R0,#5 ; Is there earth there
7010BLEQ getearth
7020CMP R0,#3
7030BLEQ getgold
7040LDR R0,canhemove ; And reload R0 with canhemove
7050CMP R0,#0 ; Check if he can walk on it
7060BEQ endmove ; and if he cant dont scroll
7070CMP R0,#2 ; Does the tile kill ?
7080BEQ endmove ; If yes dont bother scrolling onto it
7090MOV R0,#0
7100STR R0,scrollcounter ; Set the scrollcounter to zero
7110BL screenbank
7120BL plotmap
7130BL plothim
7140.leftscrloop
7150LDR R0,startxpos
7160SUB R0,R0,#4
7170STR R0,startxpos
7180BL screenbank
7190BL plotmap ; Redraw the map
7200BL plothim ; Plot the characters
7210LDR R0,scrollcounter ; Load the scrollcounter into R0
7220ADD R0,R0,#1 ; Add 1 to the scrollcounter
7230STR R0,scrollcounter ; Save the scrollcounter back to memory
7240CMP R0,#4 ; Have 4 scrolls been completed ?
7250BNE leftscrloop ; If not loop back
7260LDR R0,xmappos
7270ADD R0,R0,#1
7280STR R0,xmappos
7290LDR R0,startxpos
7300ADD R0,R0,#16
7310STR R0,startxpos
7320BL newframe
7330.endmove
7340LDR R14,movelink
7350MOV PC,R14
7360:
7370.scrollright
7380STR R14,movelink
7390MOV R0,#2
7400STR R0,direction
7410MOVR0,#1:STRR0,didmapscroll
7420LDR R0,xmappos:ADD R0,R0,#2:STR R0,xstore
7430LDR R0,ymappos:ADD R0,R0,#3:STR R0,ystore
7440BL checktile ; What type is the destination tile
7450BL canmove ; Can he walk on it
7460LDR R0,canhemove ; Better find out
7470CMP R0,#4 ; Is there a rock there
7480BLEQ checkrockright ; If so, find out if it is movable
7490CMP R0,#5 ; Is there earth there
7500BLEQ getearth
7510CMP R0,#3
7520BLEQ getgold
7530LDR R0,canhemove ; And reload R0 with canhemove
7540CMP R0,#0 ; Check if he can walk on it
7550BEQ endmove ; and if he cant dont scroll
7560CMP R0,#2 ; Does the tile kill ?
7570BEQ endmove ; If yes dont bother scrolling onto it
7580MOV R0,#0
7590STR R0,scrollcounter ; Set the scrollcounter to zero
7600.rightscrloop
7610LDR R0,startxpos
7620ADD R0,R0,#4
7630STR R0,startxpos
7640BL screenbank
7650BL plotmap ; Redraw the map
7660BL plothim
7670LDR R0,scrollcounter ; Load the scrollcounter into R0
7680ADD R0,R0,#1 ; Add 1 to the scrollcounter
7690STR R0,scrollcounter ; Save the scrollcounter back to memory
7700CMP R0,#4 ; Have 4 scrolls been completed ?
7710BNE rightscrloop ; If not loop back
7720LDR R0,xmappos
7730SUB R0,R0,#1
7740STR R0,xmappos
7750LDR R0,startxpos
7760SUB R0,R0,#16
7770STR R0,startxpos
7780BL newframe
7790LDR R14,movelink
7800MOV PC,R14
7810:
7820.scrollup
7830STR R14,movelink
7840MOV R0,#6
7850STR R0,direction
7860MOVR0,#1:STRR0,didmapscroll
7870LDR R0,xmappos:ADD R0,R0,#3:STR R0,xstore
7880LDR R0,ymappos:ADD R0,R0,#4:STR R0,ystore
7890BL checktile ; What type is the destination tile
7900BL canmove
7910LDR R0,canhemove
7920CMP R0,#0
7930BEQ endmove
7940CMP R0,#2 ; Does the tile kill ?
7950BEQ endmove ; If yes dont bother scrolling onto it
7960CMP R0,#4
7970BEQ endmove
7980CMP R0,#5 ; Is there earth there
7990BLEQ getearth
8000CMP R0,#3
8010BLEQ getgold
8020MOV R0,#0
8030STR R0,scrollcounter ; Set the scrollcounter to zero
8040.upscrloop
8050LDR R0,startypos
8060SUB R0,R0,#1280
8070STR R0,startypos
8080BL screenbank
8090BL plotmap ; Redraw the map
8100BL plothim
8110LDR R0,scrollcounter ; Load the scrollcounter into R0
8120ADD R0,R0,#1 ; Add 1 to the scrollcounter
8130STR R0,scrollcounter ; Save the scrollcounter back to memory
8140CMP R0,#4 ; Have 4 scrolls been completed ?
8150BNE upscrloop ; If not loop back
8160LDR R0,ymappos
8170ADD R0,R0,#1
8180STR R0,ymappos
8190LDR R0,startypos
8200ADD R0,R0,#5120
8210STR R0,startypos
8220BL newframe
8230LDR R14,movelink
8240MOV PC,R14
8250:
8260.scrolldown
8270STR R14,movelink
8280MOV R0,#4
8290STR R0,direction
8300MOVR0,#1:STRR0,didmapscroll
8310LDR R0,xmappos:ADD R0,R0,#3:STR R0,xstore
8320LDR R0,ymappos:ADD R0,R0,#2:STR R0,ystore
8330BL checktile ; What type is the destination tile
8340BL canmove
8350LDR R0,canhemove
8360CMP R0,#0
8370BEQ endmove
8380CMP R0,#4
8390BEQ endmove
8400CMP R0,#2 ; Does the tile kill ?
8410BEQ endmove ; If yes dont bother scrolling onto it
8420CMP R0,#5 ; Is there earth there
8430BLEQ getearth
8440CMP R0,#3
8450BLEQ getgold
8460MOV R0,#0
8470STR R0,scrollcounter ; Set the scrollcounter to zero
8480.downscrloop
8490LDR R0,startypos
8500ADD R0,R0,#1280
8510STR R0,startypos
8520BL screenbank
8530BL plotmap ; Redraw the map
8540BL plothim
8550LDR R0,scrollcounter ; Load the scrollcounter into R0
8560ADD R0,R0,#1 ; Add 1 to the scrollcounter
8570STR R0,scrollcounter ; Save the scrollcounter back to memory
8580CMP R0,#4 ; Have 4 scrolls been completed ?
8590BNE downscrloop ; If not loop back
8600LDR R0,ymappos
8610SUB R0,R0,#1
8620STR R0,ymappos
8630LDR R0,startypos
8640SUB R0,R0,#5120
8650STR R0,startypos
8660BL newframe
8670LDR R14,movelink
8680MOV PC,R14
8690:
8700.windowdata
8710EQUD 16
8720EQUD 10240
8730EQUD 96
8740EQUD 35840
8750:
8760.screenstart
8770EQUD 0
8780EQUD 0
8790.banknum
8800EQUD 0
8810.startxpos
8820EQUD 0
8830.startypos
8840EQUD 10240
8850.xmappos
8860EQUD 13
8870.ymappos
8880EQUD 18
8890.xtilecount
8900EQUD 0
8910.ytilecount
8920EQUD 0
8930.tilepointer
8940EQUD tilebitmaps
8950.mappointer
8960EQUD mapdata
8970.gamemappointer
8980EQUD gamemaps
8990:
9000:
9010.plotmap
9020LDR R5,startxpos ; Load R5 with the start map x pos
9030LDR R6,startypos ; Load R6 with the start y position
9040MOV R2,#0 ; Load R2 with the value 0
9050STR R2,ytilecount ; And set the y tile counter to 0
9060.mapyloop
9070MOV R2,#0 ; Load R2 with the value 0
9080STR R2,xtilecount ; And set the x tile counter to 0
9090LDR R5,startxpos
9100.mapxloop
9110SUB R6,R6,#5120
9120:
9130LDR R1,tilepointer ; Put address of tilebitmaps in R1
9140LDR R3,xmappos ; Load R3 with the x map pos
9150ADD R3,R3,R2 ; Add the x counter to the x pos
9160LDR R4,ymappos ; Load R4 with the y map pos
9170LDR R2,ytilecount
9180ADD R4,R4,R2
9190MOV R2,#40 ; Load R2 with the value 40
9200MUL R4,R2,R4 ; Multiply R4 by 40
9210ADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
9220LDR R3,mappointer
9230ADD R3,R3,R2 ; Set R3 to point to a tile in the map
9240LDRB R2,[R3] ; And load the value of that tile
9250SUB R2,R2,#32 ; Set the letter A of map data to be 0
9260MOV R4,#512 ; Load R4 with the value 512
9270MUL R3,R2,R4 ; Multiply the value of the tile by 512
9280ADD R1,R1,R3 ; And set R1 to point to the correct tile
9290LDR R2,banknum
9300ADR R9,screenstart
9310LDR R0,[R2,R9]
9320:
9330ADR R2,windowdata ; Get the address of the windowdata
9340LDMIA R2,{R9-R12} ; Load the window boundaries into R9-R12
9350MOV R7,R5 ; Copy the start x pos into R7
9360ADD R7,R7,#16 ; And then set R7 to point to end x pos
9370MOV R4,#0 ; Set the y pos counter to zero
9380.ysprloop
9390MOV R3,R5 ; Load the x counter with the start x pos
9400CMP R6,R10 ; Compare the y pos against top of window
9410BLT jumpxloop
9420CMP R6,R12 ; Compare the y pos against bot of window
9430BGE jumpxloop
9440.xsprloop
9450LDR R2,[R1] ; Load a word from tile bitmap
9460ADD R1,R1,#4 ; Add 4 to the sprite pointer address
9470CMP R3,R9 ; Compare X pos against LHS of window
9480BLT pixcellplotted
9490CMP R3,R11
9500BGE pixcellplotted
9510ADD R8,R0,R6 ; Add Screenstart + Y address in R8
9520STR R2,[R8,R3] ; Plot word to screen memory
9530.pixcellplotted
9540ADD R3,R3,#4 ; Add 4 to the X counter
9550CMP R3,R7 ; Compare x counter with final x pos
9560BNE xsprloop ; If they arent equal loop back
9570.jumpxloopa
9580ADD R6,R6,#160 ; Add 160 to the y address to plot at
9590ADD R4,R4,#1 ; Add 1 to the y pos counter
9600CMP R4,#32 ; Compare the Y counter with the height
9610BNE ysprloop ; If they arent equal loop back
9620:
9630ADD R5,R5,#16
9640LDR R2,xtilecount
9650ADD R2,R2,#1
9660STR R2,xtilecount
9670CMP R2,#7
9680BNE mapxloop
9690ADD R6,R6,#5120
9700LDR R2,ytilecount
9710ADD R2,R2,#1
9720STR R2,ytilecount
9730CMP R2,#7
9740BNE mapyloop
9750MOV PC,R14 ; End the routine, the map is plotted
9760.jumpxloop
9770ADD R1,R1,#16
9780B jumpxloopa
9790:
9800.direction
9810EQUD 0
9820.frame
9830EQUD 0
9840.characterpointer
9850EQUD characters
9860.manypos
9870EQUD (160*32)*4
9880.plothim
9890LDR R2,banknum
9900ADR R9,screenstart
9910LDR R0,[R2,R9]
9920LDR R1,characterpointer
9930LDR R8,direction ; Load the variable direction into R8
9940MOV R7,#512 ; Load 512 into R7
9950MUL R9,R8,R7 ; R9 = direction * 512
9960ADD R1,R9,R1 ; Add the direction to the pointer
9970LDR R8,frame ; Load the frame number into R8
9980MUL R9,R8,R7 ; Multiply the frame number by 512
9990ADD R1,R1,R9 ; And add it to the pointer
10000LDR R2,manypos ; Load the y screen address to plot at
10010ADD R0,R0,R2 ; Add the screen address to R0
10020MOV R3,#(16*3)
10030ADD R0,R0,R3
10040MOV R4,#32
10050.ymanloop
10060LDMIA R1!,{R5-R8} ; Load four words into R5-R8
10070STMIA R0,{R5-R8} ; Save four words to the screen
10080ADD R0,R0,#160 ; Add a line to y address
10090SUBS R4,R4,#1 ; Subtract 1 from the line counter
10100BNE ymanloop ; If all lines not plotted loop back
10110MOV PC,R14 ; End of routine
10120:
10130.bytesinlevel
10140EQUD 1136
10150:
10160.downloadlevel
10170LDR R0,level ; Load the level to download into R0
10180LDR R1,bytesinlevel ; Load the number of bytes in a level
10190LDR R2,gamemappointer ; Set R2 to point to the main levels
10200ADR R3,startmanx ; Set R3 to point to the gamemap
10210MUL R4,R0,R1 ; R4= level * bytesinlevel
10220ADD R2,R2,R4 ; Set R2 to point to the map to download
10230MOV R0,#0 ; Set the counter to 0
10240.downloadloop
10250LDRB R4,[R2] ; Load a byte from the main map
10260STRB R4,[R3] ; Store the byte in the game map
10270ADD R3,R3,#1 ; Add 1 to the game map pointer
10280ADD R2,R2,#1 ; Add 1 to the main map pointer
10290ADD R0,R0,#1 ; Add 1 to the counter
10300CMP R0,R1 ; Have all the bytes been downloaded yet ?
10310BNE downloadloop
10320MOV PC,R14
10330:
10340.startmanx
10350EQUD 0
10360.startmany
10370EQUD 0
10380.password
10390EQUS " ":EQUB 13
10400.mapdata
10410]:P%=P%+(40*28):[OPT opt%
10420:
10430; The gamefile is loaded into here
10440:
10450.loadgamefile
10460.tilebitmaps
10470]:P%=P%+(512*28):[OPT opt%
10480.characters
10490]:P%=P%+(512*10):[OPT opt%
10500.gamemaps
10510]:P%=P%+5680:[OPT opt%
10520.pallete
10530]:P%=P%+130:[OPT opt%
10540.gamename
10550]:P%=P%+20:[OPT opt%
10560.gamedesigner
10570]:P%=P%+20:[OPT opt%
10580.gametime
10590]:P%=P%+25:[OPT opt%
10600ALIGN
10610.spritearea
10620EQUD &2800
10630EQUD 0
10640EQUD 16
10650]:P%=P%+&2800:[OPT opt%
10660:
10670]
10680NEXT:ENDPROC
10690:
10700DEFPROCdrawscreen
10710OSCLI"FX 112,2":CLS
10720PROCbackground:PROCbox(80,80,732,732):PROCscores
10730OSCLI"FX 112,1":CLS
10740PROCbackground:PROCbox(80,80,732,732):PROCscores
10750ENDPROC
10760:
10770DEFPROCgame
10780!level=startlevel%:!dead=0:!finishedmap=0:CALL downloadlevel
10790X%=!startmanx:Y%=!startmany:!xmappos=X%:!ymappos=Y%:PROCfade
10800OSCLI"FX 112,2":OSCLI"FX 113,1"
10810PROCresetscores:CALL plotmap:CALL plothim:PROCscores
10820OSCLI"FX 112,1"
10830PROCscores:CALL plotmap:CALL plothim
10840:
10850REPEAT
10860CALL mainloop:TIME=0:REPEATUNTILTIME>50:OSCLI("FX 112,1"):OSCLI("FX 113,1"):PROCfade:PROChandledead
10870UNTIL (!dead=1 AND !lives=0) OR !finishedmap=1
10880:
10890*FX 113,1
10900IF !dead=1 AND !lives=0 PROCdead
10910IF !finishedmap=1 AND !level<4 PROCfinishedmap:GOTO10850
10920IF !finishedmap=1 AND !level=4 PROCfinishedall
10930PROCfade
10940ENDPROC
10950:
10960DEFPROCfade
10970GCOL 0,7:FOR X%=0 TO 31 STEP 4:WAIT:WAIT
10980FOR Y%=128+X% TO 740+X% STEP 32
10990MOVE 128,Y%:DRAW 764,Y%
11000NEXT:NEXT
11010ENDPROC
11020:
11030DEFFNfancytext(text$,X%,Y%)
11040VDU5:GCOL 0,14
11050MOVE X%-4,Y%-4:PRINTtext$:MOVE X%+4,Y%-4:PRINTtext$
11060MOVE X%-4,Y%+4:PRINTtext$:MOVE X%+4,Y%+4:PRINTtext$
11070GCOL 0,9:MOVE X%-4,Y%:PRINTtext$:MOVE X%+4,Y%:PRINTtext$
11080MOVE X%,Y%-4:PRINTtext$:MOVE X%,Y%+4:PRINTtext$
11090GCOL 0,11:MOVE X%,Y%:PRINTtext$:VDU4:=""
11100:
11110DEFPROCdead
11120TIME=0:REPEATUNTILTIME>30
11130PROCoutline
11140*FX 15,1
11150A$="Hard Luck!":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),550)
11160A$="You are dead":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),500)
11170A$="Press Space Bar":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),300)
11180REPEATUNTILINKEY-99:ENDPROC
11190:
11200DEFPROCfinishedmap
11210!level+=1:OSCLI"FX 112,2":PROCscores:OSCLI"FX 112,1":PROCscores
11220CALL downloadlevel
11230X%=!startmanx:Y%=!startmany:!xmappos=X%:!ymappos=Y%
11240TIME=0:REPEATUNTILTIME>30:PROCoutline
11250*FX 15,1
11260A$="Congratulations!":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),550)
11270A$="You have completed":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),500)
11280A$="Level "+STR$(!level):PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),450)
11290A$="Press Space Bar":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),300)
11300OSCLI"FX112,2":PROCscores:OSCLI"FX112,1":PROCscores:!dead=0:!finishedmap=0
11310PROCresetscores
11320REPEATUNTILINKEY-99:ENDPROC
11330:
11340DEFPROCoutline
11350GCOL 0,11:RECTANGLE 128,128,636,636
11360GCOL 0,14:RECTANGLE 136,136,620,620
11370ENDPROC
11380:
11390DEFPROCresetscores
11400CALL countdiamonds:!goldcount=0:!lives=3:!earthcount=0:ENDPROC
11410:
11420DEFPROCscores
11430PROCbox(844,80,384,732)
11440PRINTFNtabtext(" Gold:",28,9);TAB(34,9);!goldtotal
11450PRINTFNtabtext("Earth:",28,11);TAB(34,11);!earthcount
11460PRINTFNtabtext("Lives:"+STR$(!lives),28,13)
11470PRINTFNtabtext("Sound:Yes",28,15)
11480PRINTFNtabtext("Level:"+STR$((!level)+1),28,17)
11490PRINTFNtabtext(">"+pass$(!level)+"<",28,20)
11500PRINTFNtabtext("BY DUNCAN",28,24)
11510PRINTFNtabtext("McPHERSON",28,26)
11520COLOUR11:PRINTTAB(0,0);
11530ENDPROC
11540:
11550DEFPROChandledead
11560IF !dead=1 AND !lives=1 !lives=0:PROCscores:ENDPROC
11570IF !finishedmap=1 ENDPROC
11580IF !dead=1 !lives=!lives-1:!dead=0
11590OSCLI"FX 112,2":PROCscores
11600OSCLI"FX 112,1":PROCscores
11610X%=!startmanx:Y%=!startmany:!xmappos=X%:!ymappos=Y%
11620!direction=0
11630ENDPROC
11640:
11650DEFFNenterpassword
11660PROCfade:COLOUR128+7:COLOUR11
11670A$="Please enter a":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),600)
11680A$="password":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),550)
11690P%=0:A$="":PROCprintpass:REPEAT
11700REPEAT:G$=GET$:A%=ASC(G$):UNTIL (A%>64 AND A%<91) OR (A%>96 AND A%<123) OR A%=127 OR A%=13
11710IF A%>96 AND A%<123 A%-=32
11720IF A%=127 PROCdelete:PROCprintpass:UNTILFALSE
11730IF P%=7 AND G$<>CHR$13 UNTIL FALSE
11740IF A%<>13 A$=A$+CHR$A%:P%+=1
11750PROCprintpass
11760UNTIL A%=13:G$="":=A$
11770:
11780DEFPROCdelete
11790IF P%=0 ENDPROC
11800A$=LEFT$(A$,LEN(A$)-1):P%-=1:ENDPROC
11810:
11820DEFPROCprintpass
11830B$=">"+A$+STRING$(7-LEN(A$),".")+"<"
11840WAIT:GCOL 0,7:MOVE 128,400:PLOT 97,600,60:PRINTTAB(0,0);
11850PRINTFNfancytext(B$,124+(322-(LEN(B$)*16)),450):ENDPROC
11860:
11870DEFPROCentryscrn
11880PROCfade:COLOUR128+7:COLOUR11
11890A$="Welcome to":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),700)
11900A$="CAVES OF DOOM":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),650)
11910GCOL 0,14:RECTANGLE 226,610,440,108
11920GCOL 0,11:RECTANGLE 226-8,610-8,440+16,108+16
11930A$="Z - Left X - Right":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),550)
11940A$="' - Up / - Down ":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),500)
11950A$="Tab - Kill yourself":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),450)
11960A$=" P = Password ":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),350)
11970A$=" Space = Play game":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),300)
11980A$="Return = Desktop ":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),250)
11990PRINTTAB(0,0);:ENDPROC
12000:
12010DEFPROCstartscreen
12020PROCdrawscreen:PROCentryscrn:REPEAT
12030startlevel%=0:REPEAT:G$=GET$:UNTIL G$=CHR$13 OR G$="P" OR G$="p" OR G$=" "
12040IF G$=" " PROCgame:PROCentryscrn:OSCLI"FX 15,1":UNTILFALSE
12050IF G$="P" OR G$="p" PROCgetstartlev
12060IF startlevel%<>0 PROCgame:PROCentryscrn:OSCLI"FX 15,1":UNTILFALSE
12070UNTIL G$=CHR$13:PROCfade:CLS:ENDPROC
12080:
12090DEFFNtabtext(txt$,xtab,ytab%)
12100xtab=xtab*32:ytab%=ytab%*32:ytab%=1024-ytab%
12110PRINTFNfancytext(txt$,xtab,ytab%):=""
12120:
12130DEFPROCgetpass
12140address%=gamemaps:address%+=8:FOR X%=0 TO 4:A$=$address%:address%+=1136
12150pass$(X%)=A$:NEXT:ENDPROC
12160:
12170DEFPROCgetstartlev
12180C$=FNenterpassword:lev%=100:FOR X%=0 TO 4:IF C$=pass$(X%) lev%=X%
12190NEXT:IF lev%=100 A$="Not accepted!":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),250):TIME=0:REPEATUNTILTIME>60:PROCfade:PROCentryscrn:ENDPROC
12200startlevel%=lev%:A$="Password accepted":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),250):TIME=0:REPEATUNTILTIME>60:ENDPROC
12210:
12220DEFPROCfinishedall
12230PROCfade:COLOUR128+7:COLOUR11
12240A$="CAVES OF DOOM":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),700)
12250A$="Congratulations!":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),600)
12260A$="You have completed":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),550)
12270A$="the WHOLE game":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),500)
12280A$="Now load up another":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),400)
12290A$="And complete it!":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),350)
12300A$="Press space bar":PRINTFNfancytext(A$,124+(322-(LEN(A$)*16)),250)
12310REPEATUNTILINKEY-99:PROCfade:ENDPROC
12320:
12330DEFPROCbox(x%,y%,w%,h%)
12340RESTORE 12370:FOR X%=0 TO 47 STEP 4
12350READ A%:GCOL 0,A%:MOVE x%+X%,y%+X%:PLOT 97,w%-(X%*2),h%-(X%*2)
12360NEXT:ENDPROC
12370DATA 5,4,3,2,1,0,1,2,3,4,5,7:REM Data for colours
12380:
12390DEFPROCbackground
12400FOR x%=0 TO 1280 STEP 128:FOR y%=0 TO 1024 STEP 128
12410SYS "OS_SpriteOp",290,spritearea,"tile",x%,y%,8
12420NEXT:NEXT
12430SYS "OS_SpriteOp",290,spritearea,"caves",132,856,8
12440ENDPROC
� >!RunImage
:
#� ****************************
(#� * Caves of Doom *
2#� * By Duncan F. McPherson *
<#� * (c) 6th of December 1991 *
F#� * Version 1.0 *
P#� ****************************
Z:
dș "OS_GetEnv" � comm$
n!p=�comm$,"""",�comm$,"""")+1)
xcomm$=�comm$,p+1)
�ȕ �comm$,1)=" "
�comm$=�comm$,2)
��
�:
� � taskid%4:$taskid%="TASK"
�8ș "Wimp_Initialise",200,!taskid%,"Caves" � version%
�K� q% &300:!q%=-1:q%!4=-16:q%!8=0:q%!12=68:q%!20=&3002:$(q%+24)="!Caves"
� � buffer% &300,block% &400
�$ș "Wimp_CreateIcon",,q% � icon%
��assemble:�loaddata
�� � �error
�"� comm$<>"" �playgame:comm$=""
�
quit%=�:�
ș "Wimp_Poll",0,q% � A%
Ȏ A% �
@� 2:�openwindow(!q%,q%!4,q%!8,q%!12,q%!16,q%!20,q%!24,q%!28)
"� 6:�mousebutton
,� 9:�menusel(!q%)
6� 17,18:�message
@�
J
�quit%
Tș "Wimp_CloseDown"
^�
h:
r
��message
|Ȏ q%!16 �
�� 0:quit%=�
�� 3:�newgameload
�� 5:�newgameload
��:�
�:
���newgameload
�� q%!40<>&049 �
�7q%!12=q%!8:q%!16=4:ș "Wimp_SendMessage",17,q%,q%!4
� �loadgame(�filename(q%+44))
�
�playgame
��
�:
�ݤfilename(address%)
'A$="":�:B$=�(?address%):address%+=1
� B$<>�0 � B$<>�13 A$=A$+B$
� B$=�0 � B$=�13:=A$
&:
0��playgame
:#oldmode%=�:ș "Wimp_SetMode",15
D@� �<>15 � 255,"I need 160K free memory for the game screen!"
N&ș "OS_CheckModeValid",15 � valid%
XD� valid%=-2 � 255,"I need 160K free memory for the game screen!"
b"�9:�pallete:�128+7:�readscreen
l-�startscreen:ș "Wimp_SetMode",oldmode%:�
v:
���menusel(option%)
�� option%=2 quit%=�
��
�:
�<��openwindow(handle%,x0%,y0%,x1%,y1%,scx%,scy%,bhandle%)
�� handle%=-1 � �
�Eq%!0=handle%:q%!28=bhandle%:q%!4=x0%:q%!8=y0%:q%!12=x1%:q%!16=y1%
�2q%!20=scx%:q%!24=scy%:ș "Wimp_OpenWindow",,q%
��
�:
���mousebutton
�=� q%!12=-2 � q%!8=2 �domenu(101,"Info,Game,Quit","Caves")
�3� q%!12=-2 � q%!8=4 � filestat$="yes" �playgame
/� q%!12=-2 � q%!8=4 � filestat$="no" �sorry
�
:
��sorry
*�block%!0=255:$(block%+4)="Welcome to caves of doom.To play a game double click on a cave file or drag one onto my icon on the iconbar."
43ș "Wimp_ReportError",block%,17,"Caves of Doom"
>�
H:
R ��error
\;!q%=�:$(q%+4)=�$+" (internal error number "+�(�)+")"+�0
f� �=255 $(q%+4)=�$
p&ș "Wimp_ReportError",q%,1,"Caves"
z�
�:
�&��domenu(handle%,menu$,menutitle$)
�-menuhandle%=handle%:menuptr%=buffer%:i%=0
�'menuptr%!20=40:$menuptr%=menutitle$
�;menuptr%?12=7:menuptr%?13=2:menuptr%?14=7:menuptr%?15=0
�-menuptr%!16=96:menuptr%!24=0:menuptr%+=28
�1�:item$=�par(","):�menuitem(item$):� item$=""
�%menuptr%!-24=(menuptr%!-24) � &80
�-ș "Wimp_CreateMenu",,buffer%,q%!0-64,248
��
�:
�� �menuitem(text$)
�� text$="" �
G!menuptr%=0:menuptr%!4=-1:menuptr%!8=&07000021:$(menuptr%+12)=text$
#� text$="Info" menuptr%!4=info%
#� text$="Game" menuptr%!4=game%
$menuptr%+=24:�
.:
8ݤpar(sep$)
B%i1%=i%+1:i%=�menu$+sep$,sep$,i1%)
L=�menu$,i1%,i%-i1%)
V:
`��loaddata
j$filestat$="no":*CHANNELVOICE 1 8
t#ș "OS_SpriteOp",265,spritearea
~:ș "OS_SpriteOp",266,spritearea,"<Caves$Dir>.CaveSprs"
�6� pass$(5):� screen% 16:screen%!0=148:screen%!4=-1
�!� infowin% &200,gamewin% &200
�3ș "Wimp_OpenTemplate",,"<Caves$Dir>.Templates"
�Cș "Wimp_LoadTemplate",,block%,infowin%,infowin%+&200,-1,"info"
�*ș "Wimp_CreateWindow",,block% � info%
�Cș "Wimp_LoadTemplate",,block%,gamewin%,gamewin%+&200,-1,"game"
�*ș "Wimp_CreateWindow",,block% � game%
�ș "Wimp_CloseTemplate"
� � comm$<>"" �loadgame(comm$)
��
�:
���loadgame(filename$)
+�("LOAD "+filename$+" "+�~loadgamefile)
�getpass
Egamename$=$gamename:gamedesign$=$gamedesigner:gametime$=$gametime
0q%!0=game%:q%!4=5:ș "Wimp_GetIconState",,q%
(@$(q%!28)=gamename$:q%!8=0:q%!12=0:ș "Wimp_SetIconState",,q%
20q%!0=game%:q%!4=6:ș "Wimp_GetIconState",,q%
<B$(q%!28)=gamedesign$:q%!8=0:q%!12=0:ș "Wimp_SetIconState",,q%
F1q%!0=game%:q%!4=11:ș "Wimp_GetIconState",,q%
PE$(q%!28)=�gametime$,15):q%!8=0:q%!12=0:ș "Wimp_SetIconState",,q%
Zfilestat$="yes"
d�
n:
x
��pallete
�� y%=0 � 95 � 6
�c� ?(pallete+y%),?(pallete+y%+1),?(pallete+y%+2),?(pallete+y%+3),?(pallete+y%+4),?(pallete+y%+5)
��:�
�:
���readscreen
��"FX 112,1":�"FX 113,1"
�Eș "OS_ReadVduVariables",screen%,screen%+8:screenstart%=screen%!8
��"FX 112,2":�"FX 113,2"
�Fș "OS_ReadVduVariables",screen%,screen%+8:screenstart1%=screen%!8
�+�"FX 112,1":�"FX 113,1":�23;8202;0;0;0;
�?�135:screenstart!0=screenstart%:screenstart!4=screenstart1%
��
�:
��assemble
� code% &B000
� opt%=0 � 2 � 2
"P%=code%:[OPT opt%
,
.mainlink
6
EQUD 0
@
.mainloop
JSTR R14,mainlink
T .inloop
^
MOV R0,#0
hSTR R0,didmapscroll
r<MOV R0,#121 ; Osbyte number 121 - Keyboard Scan
|MOV R1,#79 � &80
�SWI "OS_Byte"
�CMP R1,#&FF
�BLEQ scrolldown
�MOV R1,#104 � &80
�MOV R0,#121
�SWI "OS_Byte"
�CMP R1,#&FF
�BLEQ scrollup
�MOV R1,#97 � &80
�MOV R0,#121
�SWI "OS_Byte"
�CMP R1,#&FF
�BLEQ scrollright
MOV R1,#66 � &80
MOV R0,#121
SWI "OS_Byte"
&CMP R1,#&FF
0BLEQ scrollleft
::
DBL updaterocks
NBL screenbank
XBL plotmap
bBL plothim
lBL clearkeys
vLDR R0,finishedmap
�
CMP R0,#1
�BEQ endofgame
�:
�>MOV R1,#96 � &80 ; Load R1 with 112 � &80 (96=TAB)
�;MOV R0,#121 ; OSBYTE 121 - keyboard scan
�,SWI "OS_Byte" ; Call OSBYTE
�LDR R0,dead
�CMP R1,#&FF
� �Q R0,#1
�STR R0,dead
�?LDR R0,dead ; Load the variable dead into R0
�3CMP R0,#1 ; Is the player dead
�BEQ endofgame
0B inloop ; Loop back again
.endofgame
BL screenbank
BL plotmap
*BL plothim
4LDR R0,dead
>
CMP R0,#1
HBLEQ deathanimation
RLDR R14,mainlink
\MOV PC,R14
f:
p.earthcount
z
EQUD 0
�.goldcount
�
EQUD 0
�.goldtotal
�
EQUD 0
�
.level
�
EQUD 0
� .dead
�
EQUD 0
�
.lives
�
EQUD 3
�.finishedmap
�
EQUD 0
�
.movelink
EQUD 0
.scrollcounter
EQUD 0
$ .xstore
.
EQUD 0
8 .ystore
B
EQUD 0
L .result
V
EQUD 0
`.canhemove
j
EQUD 0
t .newtile
~
EQUD 0
�:
�.rockslink
�
EQUD 0
�.updatemap
�
EQUD 0
�
.endofmap
�EQUD 27*40
�:
�.deathanimation
�STR R14,rockslink
�0MOV R0,#1 ; Channel 1
�1MOV R1,#15 ; Volume +15
ARSB R1,R1,#0 ; Make volume negative (-15)
0MOV R2,#200 ; Pitch 200
2MOV R3,#4 ; Duration 40
9SWI "Sound_Control" ; Generate the sound
(GMOV R0,#8 ; Set r0 to 8 (direction 8 = dead)
2GSTR R0,direction ; And put 8 into the var direction
<
MOV R0,#0
FSTR R0,frame
PBL rocksound
ZBL foursyncs
dBL screenbank
nBL plotmap
xBL plothim
�BL foursyncs
�BL newframe
�BL screenbank
�BL plotmap
�BL plothim
�BL screenbank
�BL foursyncs
�BL plotmap
�BL screenbank
�BL foursyncs
�BL plotmap
�LDR R14,rockslink
�MOV PC,R14
:
.rocksound
0MOV R0,#1 ; Channel 1
"1MOV R1,#15 ; Volume +15
,ARSB R1,R1,#0 ; Make volume negative (-15)
60MOV R2,#200 ; Pitch 200
@2MOV R3,#4 ; Duration 10
J9SWI "Sound_Control" ; Generate the sound
TMOV PC,R14
^.countdiamonds
hLDR R0,mappointer
rIMOV R1,#0 ; Set the number of diamonds to zero
|@MOV R2,#0 ; Set the y counter to zero
�.ycountloop
�@MOV R3,#0 ; Set the x counter to zero
�.xcountloop
�:LDRB R4,[R0] ; Load a tile into R4
�?ADD R0,R0,#1 ; Add 1 to the map pointer
�>CMP R4,#32+19 ; Is the tile a diamond ?
�JADDEQ R1,R1,#1 ; If yes add 1 to the diamond counter
�=ADD R3,R3,#1 ; Add 1 to the x counter
�>CMP R3,#40 ; Is a line scanned yet ?
�BNE xcountloop
�=ADD R2,R2,#1 ; Add 1 to the y counter
�ECMP R2,#28 ; Has the map been scanned yet ?
�BNE ycountloop
KSTR R1,goldtotal ; Store the diamond count at goldtotal
MOV PC,R14
:
&
.newframe
0LDR R0,frame
:
CMP R0,#1
D �Q R0,#0
NMOVNE R0,#1
XSTR R0,frame
bMOV PC,R14
l:
v.updaterocks
�KSTR R14,rockslink ; Store the link register in rockslink
�HLDR R5,xmappos:ADD R5,R5,#3 ; Set R5 to point to the mans x pos
�HLDR R6,ymappos:ADD R6,R6,#3 ; Set R6 to point to the mans y pos
�STR R5,xstore
�STR R6,ystore
�MOV R0,#28
�STR R0,newtile
�BL changetile
�=LDR R10,mappointer ; R10 points to map data
�JLDR R11,endofmap ; Load R11 with the value of endofmap
�KADD R10,R10,R11 ; Add the map y pointer to map pointer
�BMOV R9,#27 ; Set the map y counter to 27
�.yrockloop
AMOV R8,#0 ; Set the x map counter to 0
.xrockloop
;LDRB R11,[R10] ; Load a tile into R11
9CMP R11,#3+32 ; Is the tile a rock
*8BLEQ rockfound ; If it is check it
4FSUB R10,R10,#1 ; Subtract 1 from the map pointer
>AADD R8,R8,#1 ; Add 1 to the x map counter
HDCMP R8,#40 ; Is that the end of the line ?
R7BNE xrockloop ; If not loop back
\HSUB R9,R9,#1 ; Subtract 1 from the y map counter
fICMN R9,#1 ; Has the y counter reached -1 yet ?
p7BNE yrockloop ; If not loop back
z
MOV R0,#0
�STR R0,newtile
�BL changetile
�?LDR R14,rockslink ; Reload the link register
�MOV PC,R14
�:
�.rockfound
�HMOV R0,R10 ; Put the address of the rock in R0
�LADD R0,R0,#40 ; Get the address 1 tile below the rock
�GLDRB R11,[R0] ; Load the tile from there into R0
�BCMP R11,#32+0 ; Is the tile a blank space ?
�BNE notablank
�GSTRB R11,[R10] ; Store a blank tile over the rock
�;MOV R11,#32+3 ; Load R11 with a rock
MSTRB R11,[R0] ; And place the rock in its new position
JB checkformanbelow ; Check to see if man was hit by rock
.notablank
$FMOV R5,R11 ; Put the value of the tile in R5
.ACMP R11,#32+4 ; Is the tile a left slope ?
8BEQ leftslope
BBCMP R11,#32+6 ; Is the tile a right slope ?
LBEQ rightslope
V<CMP R5,#32+19 ; Is the tile a diamond
`BEQ leftslope
j9CMP R5,#32+3 ; Is the tile a rock
tBEQ leftslope
~?CMP R5,#32+22 ; Is the tile a power pill
�BEQ leftslope
�.returnfromslope
�?CMP R5,#32+22 ; Is the tile a power pill
�BEQ rightslope
�9CMP R5,#32+3 ; Is the tile a rock
�BEQ rightslope
�<CMP R5,#32+19 ; Is the tile a diamond
�BEQ rightslope
�MOV PC,R14
�.checkformanbelow
�IADD R0,R0,#40 ; Get the address 1 tile below again
�ALDRB R11,[R0] ; Load tile from the address
ELDR R1,dead ; Load R1 with the variable dead
@CMP R11,#28+32 ; Is the man in that tile ?
:�Q R1,#1 ; If yes, he is now dead
>STR R1,dead ; Store the variable dead
(B rocksound
2MOV PC,R14
<:
F.leftslope
PMOV R6,R10
ZJSUB R6,R6,#1 ; Move the address 1 tile to the left
dBLDRB R11,[R6] ; And get the tile from there
n<CMP R11,#32+0 ; Is it a blank space ?
xNBNE returnfromslope ; If not exit this subroutine immediately
�ADD R6,R6,#40
�BLDRB R11,[R6] ; And get the tile from there
�<CMP R11,#32+0 ; Is it a blank space ?
�NBNE returnfromslope ; If not exit this subroutine immediately
�GMOV R7,#32+3 ; Load R7 with the value of a rock
�KSTRB R7,[R6] ; And put the rock in its new position
�NMOV R7,#32+0 ; Load R7 with the value of a blank space
�NSTRB R7,[R10] ; And put the space over the old rock pos
�IADD R6,R6,#40 ; Get the address 1 tile below again
�ALDRB R11,[R6] ; Load tile from the address
�ELDR R1,dead ; Load R1 with the variable dead
�@CMP R11,#28+32 ; Is the man in that tile ?
�:�Q R1,#1 ; If yes, he is now dead
ECMP R11,#32+3 ; Is there a rock in that tile ?
OBEQ checkleftdead ; If yes check to see if man is next to it
HCMP R11,#32+19 ; Is there a diamond in that tile ?
"OBEQ checkleftdead ; If yes check to see if man is next to it
,KCMP R11,#32+22 ; Is there a power pill in that tile ?
6OBEQ checkleftdead ; If yes check to see if man is next to it
@KCMP R11,#32+4 ; Is there a left slope in that tile ?
J>STR R1,dead ; Store the variable dead
TB rocksound
^MOV PC,R14
h.checkleftdead
rHSUB R6,R6,#1 ; Get address of tile 1 to the left
|ALDRB R11,[R6] ; Load tile from the address
�@CMP R11,#28+32 ; Is the man in that tile ?
�:�Q R1,#1 ; If yes, he is now dead
�>STR R1,dead ; Store the variable dead
�MOV PC,R14
�:
�.rightslope
�MOV R6,R10
�KADD R6,R6,#1 ; Move the address 1 tile to the right
�BLDRB R11,[R6] ; And get the tile from there
�<CMP R11,#32+0 ; Is it a blank space ?
�MOVNE PC,R14
�ADD R6,R6,#40
�BLDRB R11,[R6] ; And get the tile from there
<CMP R11,#32+0 ; Is it a blank space ?
MOVNE PC,R14
GMOV R7,#32+3 ; Load R7 with the value of a rock
&KSTRB R7,[R6] ; And put the rock in its new position
0NMOV R7,#32+0 ; Load R7 with the value of a blank space
:NSTRB R7,[R10] ; And put the space over the old rock pos
DKADD R6,R6,#40 ; Get the address 1 below the new rock
N=LDR R1,dead ; Load the variable dead
X=LDRB R11,[R6] ; Load the tile into R11
b@CMP R11,#28+32 ; Is the man in that tile ?
l:�Q R1,#1 ; If yes, he is now dead
v=CMP R11,#32+3 ; Is a rock in that tile
�BEQ checkrightdead
�CCMP R11,#32+22 ; Is a power pill in that tile
�BEQ checkrightdead
�FCMP R11,#32+6 ; Is a right slope in that tile ?
�BEQ checkrightdead
�BCMP R11,#32+19 ; Is a diamond in that tile ?
�BEQ checkrightdead
�>STR R1,dead ; Store the variable dead
�MOV PC,R14
�.checkrightdead
�ADD R6,R6,#1
�LDRB R11,[R6]
�CMP R11,#28+32
�Q R1,#1
STR R1,dead
B rocksound
MOV PC,R14
*:
4
.wasthere
>
EQUD 0
H.doupdatemap
R
EQUD 0
\.isrockstable
fSTR R14,checklink
pMOV R10,#0
z,LDR R0,ystore:ADD R0,R0,#1:STR R0,ystore
�BL checktile
�DLDR R0,result ; Find out whats below the rock
�6CMP R0,#0 ; Is it a blank ?
�A�Q R10,#1 ; If it is the rock is unstable
�MSTREQ R10,doupdatemap ; And the map must be updated to show it
�BBEQ endrockstable ; So finish if it is unstable
�.endrockstable
�STR R10,result
�LDR R14,checklink
�MOV PC,R14
�:
�.checktile
�FLDR R3,xstore ; get the x coord of tile to find
FLDR R4,ystore ; get the y coord of tile to find
@MOV R2,#40 ; Load R2 with the value 40
8MUL R4,R2,R4 ; Multiply R4 by 40
$HADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
.LDR R3,mappointer
8KADD R3,R3,R2 ; Set R3 to point to a tile in the map
BFLDRB R2,[R3] ; And load the value of that tile
LKSUB R2,R2,#32 ; Set the letter A of map data to be 0
VHSTR R2,result ; Store the tile number in "result"
`MOV PC,R14
j:
t .getgold
~LDR R0,goldcount
�ADD R0,R0,#1
�STR R0,goldcount
�
MOV R0,#0
�STR R0,newtile
�LDR R0,goldcount
�LDR R12,goldtotal
�CMP R0,R12
� �Q R0,#1
�STREQ R0,finishedmap
�LDR R0,goldcount
�LDR R1,goldtotal
�ISUB R0,R1,R0 ; Place number of tiles to get in R0
<ADR R1,numberbuffer ; Load R1 with a buffer
@MOV R2,#20 ; Set R2 to the buffer size
9SWI "OS_ConvertInteger4" ; Convert the number
'MOV R0,#112:MOV R1,#2:SWI "OS_Byte"
(BSWI 256+31 ; Print chr$ 31 (move cursor)
2MOV R0,#34
<SWI "OS_WriteC"
F
MOV R0,#9
PSWI "OS_WriteC"
ZADR R0,blankbuffer
dSWI "OS_Write0"
nCSWI 256+31:MOV R0,#34:SWI "OS_WriteC":MOV R0,#9:SWI "OS_WriteC"
x>ADR R0,numberbuffer ; Load R0 with the buffer
�7SWI "OS_Write0" ; Print the string
�'MOV R0,#112:MOV R1,#1:SWI "OS_Byte"
�BSWI 256+31 ; Print chr$ 31 (move cursor)
�MOV R0,#34
�SWI "OS_WriteC"
�
MOV R0,#9
�SWI "OS_WriteC"
�ADR R0,blankbuffer
�SWI "OS_Write0"
�CSWI 256+31:MOV R0,#34:SWI "OS_WriteC":MOV R0,#9:SWI "OS_WriteC"
�>ADR R0,numberbuffer ; Load R0 with the buffer
�SWI "OS_Write0"
�B changetile
:
.blankbuffer
EQUS " "+�0
".numberbuffer
,%EQUS " ":ALIGN
6
.getearth
@LDR R0,earthcount
JADD R0,R0,#1
TSTR R0,earthcount
^HMOV R0,#0 ; Load R0 with zero (0=Blank space)
hASTR R0,newtile ; Set newtile to blank space
r.changetile
|HLDR R3,xstore ; get the x coord of tile to change
�HLDR R4,ystore ; get the y coord of tile to change
�@MOV R2,#40 ; Load R2 with the value 40
�8MUL R4,R2,R4 ; Multiply R4 by 40
�HADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
�FLDR R3,mappointer ; Get the pointer to the map data
�KADD R3,R3,R2 ; Set R3 to point to a tile in the map
�LLDR R4,newtile ; Load R4 with the value of the newtile
�CADD R4,R4,#32 ; Reset r4 so that tile 0 = 32
�FSTRB R4,[R3] ; And save the newtile to the map
�LDR R0,earthcount
�<ADR R1,numberbuffer ; Load R1 with a buffer
�@MOV R2,#20 ; Set R2 to the buffer size
�9SWI "OS_ConvertInteger4" ; Convert the number
'MOV R0,#112:MOV R1,#2:SWI "OS_Byte"
BSWI 256+31 ; Print chr$ 31 (move cursor)
MOV R0,#34
&SWI "OS_WriteC"
0MOV R0,#11
:SWI "OS_WriteC"
D>ADR R0,numberbuffer ; Load R0 with the buffer
N7SWI "OS_Write0" ; Print the string
X'MOV R0,#112:MOV R1,#1:SWI "OS_Byte"
bBSWI 256+31 ; Print chr$ 31 (move cursor)
lMOV R0,#34
vSWI "OS_WriteC"
�MOV R0,#11
�SWI "OS_WriteC"
�=ADR R0,numberbuffer ; Load R0 with the buffer
�7SWI "OS_Write0" ; Print the string
�MOV PC,R14
�:
� .canmove
�?LDR R0,result ; Load in the type of tile
�
MOV R1,#0
�:CMP R0,#0 ; Is the tile blank ?
�G�Q R1,#1 ; If it is, set R1 to yes he can move
�;CMP R0,#3 ; Is the tile a rock ?
�E�Q R1,#4 ; If it is, set R1 to indicate that
8CMP R0,#20 ; Is the tile earth
:�Q R1,#5 ; If it is indicate that
7CMP R0,#19 ; Is the tile gold
:�Q R1,#3 ; If it is indicate that
*?CMP R0,#22 ; Is the tile a Power Pill
4I�Q R1,#5 ; <<< TEMOORARY NUMBER � POWER PILL >>>
><CMP R0,#21 ; Is the tile poision ?
H:�Q R1,#2 ; If it is indicate that
R;�Q R2,#1 ; Load r2 with 1 (1=dead)
\JSTREQ R2,dead ; And set the dead flag to � (1=Dead)
f>STR R1,canhemove ; Store R1 to "canhemove"
pMOV PC,R14
z:
�.checklink
�
EQUD 0
�:
�.checkrockleft
�7STR R14,checklink ; Store the link regsiter
�,LDR R0,xstore:ADD R0,R0,#1:STR R0,xstore
�MBL checktile ; Find out what is in the tile next to the rock
�;LDR R0,result ; Get the result of the check
�5CMP R0,#0 ; Is it a blank space ?
�DBEQ moverockleft ; If it is move the rock along into it
�LMOV R0,#0 ; Load R0 with the value 0 (0=No he cant move)
�BSTR R0,canhemove ; And set the canhemove word to zero
�8LDR R14,checklink ; Reload the link register
IMOV PC,R14 ; And exit the routine, the man cannot move
.moverockleft
>MOV R0,#3 ; Set R0 to the value 3 (3=Rock)
$>STR R0,newtile ; And store the value in newtile
.@BL changetile ; Then change the tile into a rock
8EMOV R0,#0 ; Set R0 to the value 0 (0=Blank space)
B>STR R0,newtile ; And store the value in newtile
L,LDR R0,xstore:SUB R0,R0,#1:STR R0,xstore
VKBL changetile ; Then blank over the old rock with the space
`LMOV R0,#1 ; Load R0 with the value 1 (1=Yes he can move)
jBSTR R0,canhemove ; And set the canhemove word to zero
t8LDR R14,checklink ; Reload the link register
~FMOV PC,R14 ; And exit the routine, the man can move
�:
�.checkrockright
�7STR R14,checklink ; Store the link regsiter
�,LDR R0,xstore:SUB R0,R0,#1:STR R0,xstore
�MBL checktile ; Find out what is in the tile next to the rock
�;LDR R0,result ; Get the result of the check
�5CMP R0,#0 ; Is it a blank space ?
�DBEQ moverockright ; If it is move the rock along into it
�LMOV R0,#0 ; Load R0 with the value 0 (0=No he cant move)
�BSTR R0,canhemove ; And set the canhemove word to zero
�8LDR R14,checklink ; Reload the link register
�IMOV PC,R14 ; And exit the routine, the man cannot move
.moverockright
>MOV R0,#3 ; Set R0 to the value 3 (3=Rock)
>STR R0,newtile ; And store the value in newtile
@BL changetile ; Then change the tile into a rock
(EMOV R0,#0 ; Set R0 to the value 0 (0=Blank space)
2>STR R0,newtile ; And store the value in newtile
<,LDR R0,xstore:ADD R0,R0,#1:STR R0,xstore
FKBL changetile ; Then blank over the old rock with the space
PLMOV R0,#1 ; Load R0 with the value 1 (1=Yes he can move)
ZASTR R0,canhemove ; And set the canhemove word to one
d8LDR R14,checklink ; Reload the link register
nFMOV PC,R14 ; And exit the routine, the man can move
x:
�.screenbank
�.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
�LDR R9,banknum
�:CMP R9,#0 ; Was bank 0 written to last
�8�Q R9,#4 ; If yes write to bank 4 next
�;MOVNE R9,#0 ; If not write to bank 0 next
�STR R9,banknum
�7MOV R0,#113 ; Set R0 to the value 113
�LDR R9,banknum
�
CMP R9,#4
� �Q R1,#1
�MOVNE R1,#2
�SWI "OS_Byte"
MOV PC,R14
:
.foursyncs
".MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
,.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
6.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
@ MOV R0,#19:SWI "OS_Byte"
J MOV R0,#19:SWI "OS_Byte"
T MOV R0,#19:SWI "OS_Byte"
^.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
h.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
r.MOV R0,#19:SWI "OS_Byte" ; Wait for Vsync
|MOV PC,R14
�:
�.clearkeys
�MOV R0,#15
�
MOV R1,#1
�SWI "OS_Byte"
�MOV PC,R14
�:
�.didmapscroll
� EQUD0
�.scrollleft
�STR R14,movelink
�
MOV R0,#0
�STR R0,direction
MOVR0,#1:STRR0,didmapscroll
-LDR R0,xmappos:ADD R0,R0,#4:STR R0,xstore
-LDR R0,ymappos:ADD R0,R0,#3:STR R0,ystore
&HBL checktile ; What type is the destination tile
08BL canmove ; Can he walk on it
:6LDR R0,canhemove ; Better find out
D<CMP R0,#4 ; Is there a rock there
NGBLEQ checkrockleft ; If so, find out if it is movable
X;CMP R0,#5 ; Is there earth there
bBLEQ getearth
l
CMP R0,#3
vBLEQ getgold
�CLDR R0,canhemove ; And reload R0 with canhemove
�ACMP R0,#0 ; Check if he can walk on it
�ABEQ endmove ; and if he cant dont scroll
�;CMP R0,#2 ; Does the tile kill ?
�KBEQ endmove ; If yes dont bother scrolling onto it
�
MOV R0,#0
�=STR R0,scrollcounter ; Set the scrollcounter to zero
�BL screenbank
�BL plotmap
�BL plothim
�.leftscrloop
�LDR R0,startxpos
�SUB R0,R0,#4
STR R0,startxpos
BL screenbank
.BL plotmap ; Redraw the map
3BL plothim ; Plot the characters
*>LDR R0,scrollcounter ; Load the scrollcounter into R0
4:ADD R0,R0,#1 ; Add 1 to the scrollcounter
>ESTR R0,scrollcounter ; Save the scrollcounter back to memory
H?CMP R0,#4 ; Have 4 scrolls been completed ?
R0BNE leftscrloop ; If not loop back
\LDR R0,xmappos
fADD R0,R0,#1
pSTR R0,xmappos
zLDR R0,startxpos
�ADD R0,R0,#16
�STR R0,startxpos
�BL newframe
� .endmove
�LDR R14,movelink
�MOV PC,R14
�:
�.scrollright
�STR R14,movelink
�
MOV R0,#2
�STR R0,direction
� MOVR0,#1:STRR0,didmapscroll
�-LDR R0,xmappos:ADD R0,R0,#2:STR R0,xstore
-LDR R0,ymappos:ADD R0,R0,#3:STR R0,ystore
HBL checktile ; What type is the destination tile
8BL canmove ; Can he walk on it
$6LDR R0,canhemove ; Better find out
.<CMP R0,#4 ; Is there a rock there
8GBLEQ checkrockright ; If so, find out if it is movable
B;CMP R0,#5 ; Is there earth there
LBLEQ getearth
V
CMP R0,#3
`BLEQ getgold
jCLDR R0,canhemove ; And reload R0 with canhemove
tACMP R0,#0 ; Check if he can walk on it
~ABEQ endmove ; and if he cant dont scroll
�;CMP R0,#2 ; Does the tile kill ?
�KBEQ endmove ; If yes dont bother scrolling onto it
�
MOV R0,#0
�=STR R0,scrollcounter ; Set the scrollcounter to zero
�.rightscrloop
�LDR R0,startxpos
�ADD R0,R0,#4
�STR R0,startxpos
�BL screenbank
�.BL plotmap ; Redraw the map
�BL plothim
�>LDR R0,scrollcounter ; Load the scrollcounter into R0
:ADD R0,R0,#1 ; Add 1 to the scrollcounter
ESTR R0,scrollcounter ; Save the scrollcounter back to memory
?CMP R0,#4 ; Have 4 scrolls been completed ?
0BNE rightscrloop ; If not loop back
(LDR R0,xmappos
2SUB R0,R0,#1
<STR R0,xmappos
FLDR R0,startxpos
PSUB R0,R0,#16
ZSTR R0,startxpos
dBL newframe
nLDR R14,movelink
xMOV PC,R14
�:
�
.scrollup
�STR R14,movelink
�
MOV R0,#6
�STR R0,direction
� MOVR0,#1:STRR0,didmapscroll
�-LDR R0,xmappos:ADD R0,R0,#3:STR R0,xstore
�-LDR R0,ymappos:ADD R0,R0,#4:STR R0,ystore
�HBL checktile ; What type is the destination tile
�BL canmove
�LDR R0,canhemove
�
CMP R0,#0
�BEQ endmove
;CMP R0,#2 ; Does the tile kill ?
KBEQ endmove ; If yes dont bother scrolling onto it
CMP R0,#4
"BEQ endmove
,;CMP R0,#5 ; Is there earth there
6BLEQ getearth
@
CMP R0,#3
JBLEQ getgold
T
MOV R0,#0
^=STR R0,scrollcounter ; Set the scrollcounter to zero
h.upscrloop
rLDR R0,startypos
|SUB R0,R0,#1280
�STR R0,startypos
�BL screenbank
�.BL plotmap ; Redraw the map
�BL plothim
�>LDR R0,scrollcounter ; Load the scrollcounter into R0
�:ADD R0,R0,#1 ; Add 1 to the scrollcounter
�ESTR R0,scrollcounter ; Save the scrollcounter back to memory
�?CMP R0,#4 ; Have 4 scrolls been completed ?
�0BNE upscrloop ; If not loop back
�LDR R0,ymappos
�ADD R0,R0,#1
�STR R0,ymappos
�LDR R0,startypos
ADD R0,R0,#5120
STR R0,startypos
BL newframe
&LDR R14,movelink
0MOV PC,R14
::
D.scrolldown
NSTR R14,movelink
X
MOV R0,#4
bSTR R0,direction
l MOVR0,#1:STRR0,didmapscroll
v-LDR R0,xmappos:ADD R0,R0,#3:STR R0,xstore
�-LDR R0,ymappos:ADD R0,R0,#2:STR R0,ystore
�HBL checktile ; What type is the destination tile
�BL canmove
�LDR R0,canhemove
�
CMP R0,#0
�BEQ endmove
�
CMP R0,#4
�BEQ endmove
�;CMP R0,#2 ; Does the tile kill ?
�KBEQ endmove ; If yes dont bother scrolling onto it
�;CMP R0,#5 ; Is there earth there
�BLEQ getearth
�
CMP R0,#3
!BLEQ getgold
!
MOV R0,#0
!=STR R0,scrollcounter ; Set the scrollcounter to zero
! .downscrloop
!*LDR R0,startypos
!4ADD R0,R0,#1280
!>STR R0,startypos
!HBL screenbank
!R.BL plotmap ; Redraw the map
!\BL plothim
!f>LDR R0,scrollcounter ; Load the scrollcounter into R0
!p:ADD R0,R0,#1 ; Add 1 to the scrollcounter
!zESTR R0,scrollcounter ; Save the scrollcounter back to memory
!�?CMP R0,#4 ; Have 4 scrolls been completed ?
!�0BNE downscrloop ; If not loop back
!�LDR R0,ymappos
!�SUB R0,R0,#1
!�STR R0,ymappos
!�LDR R0,startypos
!�SUB R0,R0,#5120
!�STR R0,startypos
!�BL newframe
!�LDR R14,movelink
!�MOV PC,R14
!�:
!�.windowdata
" EQUD 16
"EQUD 10240
" EQUD 96
"$EQUD 35840
".:
"8.screenstart
"B
EQUD 0
"L
EQUD 0
"V .banknum
"`
EQUD 0
"j.startxpos
"t
EQUD 0
"~.startypos
"�EQUD 10240
"� .xmappos
"� EQUD 13
"� .ymappos
"� EQUD 18
"�.xtilecount
"�
EQUD 0
"�.ytilecount
"�
EQUD 0
"�.tilepointer
"�EQUD tilebitmaps
"�.mappointer
# EQUD mapdata
#
.gamemappointer
#EQUD gamemaps
# :
#(:
#2 .plotmap
#<GLDR R5,startxpos ; Load R5 with the start map x pos
#FHLDR R6,startypos ; Load R6 with the start y position
#P?MOV R2,#0 ; Load R2 with the value 0
#ZFSTR R2,ytilecount ; And set the y tile counter to 0
#d
.mapyloop
#n?MOV R2,#0 ; Load R2 with the value 0
#xFSTR R2,xtilecount ; And set the x tile counter to 0
#�LDR R5,startxpos
#�
.mapxloop
#�SUB R6,R6,#5120
#�:
#�GLDR R1,tilepointer ; Put address of tilebitmaps in R1
#�ALDR R3,xmappos ; Load R3 with the x map pos
#�EADD R3,R3,R2 ; Add the x counter to the x pos
#�ALDR R4,ymappos ; Load R4 with the y map pos
#�LDR R2,ytilecount
#�ADD R4,R4,R2
#�@MOV R2,#40 ; Load R2 with the value 40
#�8MUL R4,R2,R4 ; Multiply R4 by 40
#�HADD R2,R3,R4 ; R2 = X map pos + (Y map pos * 40)
$LDR R3,mappointer
$KADD R3,R3,R2 ; Set R3 to point to a tile in the map
$FLDRB R2,[R3] ; And load the value of that tile
$"KSUB R2,R2,#32 ; Set the letter A of map data to be 0
$,AMOV R4,#512 ; Load R4 with the value 512
$6LMUL R3,R2,R4 ; Multiply the value of the tile by 512
$@NADD R1,R1,R3 ; And set R1 to point to the correct tile
$JLDR R2,banknum
$TADR R9,screenstart
$^LDR R0,[R2,R9]
$h:
$rHADR R2,windowdata ; Get the address of the windowdata
$|MLDMIA R2,{R9-R12} ; Load the window boundaries into R9-R12
$�CMOV R7,R5 ; Copy the start x pos into R7
$�LADD R7,R7,#16 ; And then set R7 to point to end x pos
$�DMOV R4,#0 ; Set the y pos counter to zero
$�
.ysprloop
$�NMOV R3,R5 ; Load the x counter with the start x pos
$�NCMP R6,R10 ; Compare the y pos against top of window
$�BLT jumpxloop
$�NCMP R6,R12 ; Compare the y pos against bot of window
$�BGE jumpxloop
$�
.xsprloop
$�CLDR R2,[R1] ; Load a word from tile bitmap
$�JADD R1,R1,#4 ; Add 4 to the sprite pointer address
$�JCMP R3,R9 ; Compare X pos against LHS of window
%BLT pixcellplotted
%CMP R3,R11
% BGE pixcellplotted
%&HADD R8,R0,R6 ; Add Screenstart + Y address in R8
%0ASTR R2,[R8,R3] ; Plot word to screen memory
%:.pixcellplotted
%D=ADD R3,R3,#4 ; Add 4 to the X counter
%NICMP R3,R7 ; Compare x counter with final x pos
%XDBNE xsprloop ; If they arent equal loop back
%b.jumpxloopa
%lJADD R6,R6,#160 ; Add 160 to the y address to plot at
%vAADD R4,R4,#1 ; Add 1 to the y pos counter
%�LCMP R4,#32 ; Compare the Y counter with the height
%�DBNE ysprloop ; If they arent equal loop back
%�:
%�ADD R5,R5,#16
%�LDR R2,xtilecount
%�ADD R2,R2,#1
%�STR R2,xtilecount
%�
CMP R2,#7
%�BNE mapxloop
%�ADD R6,R6,#5120
%�LDR R2,ytilecount
%�ADD R2,R2,#1
%�STR R2,ytilecount
&
CMP R2,#7
& BNE mapyloop
&JMOV PC,R14 ; End the routine, the map is plotted
& .jumpxloop
&*ADD R1,R1,#16
&4B jumpxloopa
&>:
&H.direction
&R
EQUD 0
&\
.frame
&f
EQUD 0
&p.characterpointer
&zEQUD characters
&� .manypos
&�EQUD (160*32)*4
&� .plothim
&�LDR R2,banknum
&�ADR R9,screenstart
&�LDR R0,[R2,R9]
&�LDR R1,characterpointer
&�JLDR R8,direction ; Load the variable direction into R8
&�7MOV R7,#512 ; Load 512 into R7
&�;MUL R9,R8,R7 ; R9 = direction * 512
&�GADD R1,R9,R1 ; Add the direction to the pointer
&�DLDR R8,frame ; Load the frame number into R8
&�GMUL R9,R8,R7 ; Multiply the frame number by 512
'@ADD R1,R1,R9 ; And add it to the pointer
'KLDR R2,manypos ; Load the y screen address to plot at
'CADD R0,R0,R2 ; Add the screen address to R0
'$MOV R3,#(16*3)
'.ADD R0,R0,R3
'8MOV R4,#32
'B
.ymanloop
'LALDMIA R1!,{R5-R8} ; Load four words into R5-R8
'VDSTMIA R0,{R5-R8} ; Save four words to the screen
'`>ADD R0,R0,#160 ; Add a line to y address
'jGSUBS R4,R4,#1 ; Subtract 1 from the line counter
'tIBNE ymanloop ; If all lines not plotted loop back
'~5MOV PC,R14 ; End of routine
'�:
'�.bytesinlevel
'�
EQUD 1136
'�:
'�.downloadlevel
'�HLDR R0,level ; Load the level to download into R0
'�ILDR R1,bytesinlevel ; Load the number of bytes in a level
'�HLDR R2,gamemappointer ; Set R2 to point to the main levels
'�DADR R3,startmanx ; Set R3 to point to the gamemap
'�>MUL R4,R0,R1 ; R4= level * bytesinlevel
'�LADD R2,R2,R4 ; Set R2 to point to the map to download
'�:MOV R0,#0 ; Set the counter to 0
( .downloadloop
(
CLDRB R4,[R2] ; Load a byte from the main map
(DSTRB R4,[R3] ; Store the byte in the game map
( CADD R3,R3,#1 ; Add 1 to the game map pointer
((CADD R2,R2,#1 ; Add 1 to the main map pointer
(2:ADD R0,R0,#1 ; Add 1 to the counter
(<NCMP R0,R1 ; Have all the bytes been downloaded yet ?
(FBNE downloadloop
(PMOV PC,R14
(Z:
(d.startmanx
(n
EQUD 0
(x.startmany
(�
EQUD 0
(�
.password
(�EQUS " ":EQUB 13
(� .mapdata
(� ]:P%=P%+(40*28):[OPT opt%
(�:
(�&; The gamefile is loaded into here
(�:
(�.loadgamefile
(�.tilebitmaps
(� ]:P%=P%+(512*28):[OPT opt%
(�.characters
(� ]:P%=P%+(512*10):[OPT opt%
)
.gamemaps
)]:P%=P%+5680:[OPT opt%
) .pallete
)"]:P%=P%+130:[OPT opt%
),
.gamename
)6]:P%=P%+20:[OPT opt%
)@.gamedesigner
)J]:P%=P%+20:[OPT opt%
)T
.gametime
)^]:P%=P%+25:[OPT opt%
)h ALIGN
)r.spritearea
)|EQUD &2800
)�
EQUD 0
)� EQUD 16
)�]:P%=P%+&2800:[OPT opt%
)�:
)�]
)��:�
)�:
)���drawscreen
)��"FX 112,2":�
)�+�background:�box(80,80,732,732):�scores
)��"FX 112,1":�
)�+�background:�box(80,80,732,732):�scores
)��
*:
*
��game
* =!level=startlevel%:!dead=0:!finishedmap=0:� downloadlevel
*&=X%=!startmanx:Y%=!startmany:!xmappos=X%:!ymappos=Y%:�fade
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000011f0 0d 06 18 14 e3 20 6f 70 74 25 3d 30 20 b8 20 32 |..... opt%=0 . 2|
00001200 20 88 20 32 0d 06 22 16 50 25 3d 63 6f 64 65 25 | . 2..".P%=code%|
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00001220 61 69 6e 6c 69 6e 6b 0d 06 36 0a 45 51 55 44 20 |ainlink..6.EQUD |
00001230 30 0d 06 40 0d 2e 6d 61 69 6e 6c 6f 6f 70 0d 06 |0..@..mainloop..|
00001240 4a 14 53 54 52 20 52 31 34 2c 6d 61 69 6e 6c 69 |J.STR R14,mainli|
00001250 6e 6b 0d 06 54 0b 2e 69 6e 6c 6f 6f 70 0d 06 5e |nk..T..inloop..^|
00001260 0d 4d 4f 56 20 52 30 2c 23 30 0d 06 68 17 53 54 |.MOV R0,#0..h.ST|
00001270 52 20 52 30 2c 64 69 64 6d 61 70 73 63 72 6f 6c |R R0,didmapscrol|
00001280 6c 0d 06 72 3c 4d 4f 56 20 52 30 2c 23 31 32 31 |l..r<MOV R0,#121|
00001290 20 20 20 20 20 20 20 20 20 20 3b 20 4f 73 62 79 | ; Osby|
000012a0 74 65 20 6e 75 6d 62 65 72 20 31 32 31 20 2d 20 |te number 121 - |
000012b0 4b 65 79 62 6f 61 72 64 20 53 63 61 6e 0d 06 7c |Keyboard Scan..||
000012c0 14 4d 4f 56 20 52 31 2c 23 37 39 20 84 20 26 38 |.MOV R1,#79 . &8|
000012d0 30 0d 06 86 11 53 57 49 20 22 4f 53 5f 42 79 74 |0....SWI "OS_Byt|
000012e0 65 22 0d 06 90 0f 43 4d 50 20 52 31 2c 23 26 46 |e"....CMP R1,#&F|
000012f0 46 0d 06 9a 13 42 4c 45 51 20 73 63 72 6f 6c 6c |F....BLEQ scroll|
00001300 64 6f 77 6e 0d 06 a4 15 4d 4f 56 20 52 31 2c 23 |down....MOV R1,#|
00001310 31 30 34 20 84 20 26 38 30 0d 06 ae 0f 4d 4f 56 |104 . &80....MOV|
00001320 20 52 30 2c 23 31 32 31 0d 06 b8 11 53 57 49 20 | R0,#121....SWI |
00001330 22 4f 53 5f 42 79 74 65 22 0d 06 c2 0f 43 4d 50 |"OS_Byte"....CMP|
00001340 20 52 31 2c 23 26 46 46 0d 06 cc 11 42 4c 45 51 | R1,#&FF....BLEQ|
00001350 20 73 63 72 6f 6c 6c 75 70 0d 06 d6 14 4d 4f 56 | scrollup....MOV|
00001360 20 52 31 2c 23 39 37 20 84 20 26 38 30 0d 06 e0 | R1,#97 . &80...|
00001370 0f 4d 4f 56 20 52 30 2c 23 31 32 31 0d 06 ea 11 |.MOV R0,#121....|
00001380 53 57 49 20 22 4f 53 5f 42 79 74 65 22 0d 06 f4 |SWI "OS_Byte"...|
00001390 0f 43 4d 50 20 52 31 2c 23 26 46 46 0d 06 fe 14 |.CMP R1,#&FF....|
000013a0 42 4c 45 51 20 73 63 72 6f 6c 6c 72 69 67 68 74 |BLEQ scrollright|
000013b0 0d 07 08 14 4d 4f 56 20 52 31 2c 23 36 36 20 84 |....MOV R1,#66 .|
000013c0 20 26 38 30 0d 07 12 0f 4d 4f 56 20 52 30 2c 23 | &80....MOV R0,#|
000013d0 31 32 31 0d 07 1c 11 53 57 49 20 22 4f 53 5f 42 |121....SWI "OS_B|
000013e0 79 74 65 22 0d 07 26 0f 43 4d 50 20 52 31 2c 23 |yte"..&.CMP R1,#|
000013f0 26 46 46 0d 07 30 13 42 4c 45 51 20 73 63 72 6f |&FF..0.BLEQ scro|
00001400 6c 6c 6c 65 66 74 0d 07 3a 05 3a 0d 07 44 12 42 |llleft..:.:..D.B|
00001410 4c 20 75 70 64 61 74 65 72 6f 63 6b 73 0d 07 4e |L updaterocks..N|
00001420 11 42 4c 20 73 63 72 65 65 6e 62 61 6e 6b 0d 07 |.BL screenbank..|
00001430 58 0e 42 4c 20 70 6c 6f 74 6d 61 70 0d 07 62 0e |X.BL plotmap..b.|
00001440 42 4c 20 70 6c 6f 74 68 69 6d 0d 07 6c 10 42 4c |BL plothim..l.BL|
00001450 20 63 6c 65 61 72 6b 65 79 73 0d 07 76 16 4c 44 | clearkeys..v.LD|
00001460 52 20 52 30 2c 66 69 6e 69 73 68 65 64 6d 61 70 |R R0,finishedmap|
00001470 0d 07 80 0d 43 4d 50 20 52 30 2c 23 31 0d 07 8a |....CMP R0,#1...|
00001480 11 42 45 51 20 65 6e 64 6f 66 67 61 6d 65 0d 07 |.BEQ endofgame..|
00001490 94 05 3a 0d 07 9e 3e 4d 4f 56 20 52 31 2c 23 39 |..:...>MOV R1,#9|
000014a0 36 20 84 20 26 38 30 20 20 20 20 20 20 20 20 20 |6 . &80 |
000014b0 3b 20 4c 6f 61 64 20 52 31 20 77 69 74 68 20 31 |; Load R1 with 1|
000014c0 31 32 20 84 20 26 38 30 20 28 39 36 3d 54 41 42 |12 . &80 (96=TAB|
000014d0 29 0d 07 a8 3b 4d 4f 56 20 52 30 2c 23 31 32 31 |)...;MOV R0,#121|
000014e0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000014f0 3b 20 4f 53 42 59 54 45 20 31 32 31 20 2d 20 6b |; OSBYTE 121 - k|
00001500 65 79 62 6f 61 72 64 20 73 63 61 6e 0d 07 b2 2c |eyboard scan...,|
00001510 53 57 49 20 22 4f 53 5f 42 79 74 65 22 20 20 20 |SWI "OS_Byte" |
00001520 20 20 20 20 20 20 20 20 20 20 20 3b 20 43 61 6c | ; Cal|
00001530 6c 20 4f 53 42 59 54 45 0d 07 bc 0f 4c 44 52 20 |l OSBYTE....LDR |
00001540 52 30 2c 64 65 61 64 0d 07 c6 0f 43 4d 50 20 52 |R0,dead....CMP R|
00001550 31 2c 23 26 46 46 0d 07 d0 0c ec 51 20 52 30 2c |1,#&FF.....Q R0,|
00001560 23 31 0d 07 da 0f 53 54 52 20 52 30 2c 64 65 61 |#1....STR R0,dea|
00001570 64 0d 07 e4 3f 4c 44 52 20 52 30 2c 64 65 61 64 |d...?LDR R0,dead|
00001580 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001590 3b 20 4c 6f 61 64 20 74 68 65 20 76 61 72 69 61 |; Load the varia|
000015a0 62 6c 65 20 64 65 61 64 20 69 6e 74 6f 20 52 30 |ble dead into R0|
000015b0 0d 07 ee 33 43 4d 50 20 52 30 2c 23 31 20 20 20 |...3CMP R0,#1 |
000015c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
000015d0 20 49 73 20 74 68 65 20 70 6c 61 79 65 72 20 64 | Is the player d|
000015e0 65 61 64 0d 07 f8 11 42 45 51 20 65 6e 64 6f 66 |ead....BEQ endof|
000015f0 67 61 6d 65 0d 08 02 30 42 20 69 6e 6c 6f 6f 70 |game...0B inloop|
00001600 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001610 20 20 20 3b 20 4c 6f 6f 70 20 62 61 63 6b 20 61 | ; Loop back a|
00001620 67 61 69 6e 0d 08 0c 0e 2e 65 6e 64 6f 66 67 61 |gain.....endofga|
00001630 6d 65 0d 08 16 11 42 4c 20 73 63 72 65 65 6e 62 |me....BL screenb|
00001640 61 6e 6b 0d 08 20 0e 42 4c 20 70 6c 6f 74 6d 61 |ank.. .BL plotma|
00001650 70 0d 08 2a 0e 42 4c 20 70 6c 6f 74 68 69 6d 0d |p..*.BL plothim.|
00001660 08 34 0f 4c 44 52 20 52 30 2c 64 65 61 64 0d 08 |.4.LDR R0,dead..|
00001670 3e 0d 43 4d 50 20 52 30 2c 23 31 0d 08 48 17 42 |>.CMP R0,#1..H.B|
00001680 4c 45 51 20 64 65 61 74 68 61 6e 69 6d 61 74 69 |LEQ deathanimati|
00001690 6f 6e 0d 08 52 14 4c 44 52 20 52 31 34 2c 6d 61 |on..R.LDR R14,ma|
000016a0 69 6e 6c 69 6e 6b 0d 08 5c 0e 4d 4f 56 20 50 43 |inlink..\.MOV PC|
000016b0 2c 52 31 34 0d 08 66 05 3a 0d 08 70 0f 2e 65 61 |,R14..f.:..p..ea|
000016c0 72 74 68 63 6f 75 6e 74 0d 08 7a 0a 45 51 55 44 |rthcount..z.EQUD|
000016d0 20 30 0d 08 84 0e 2e 67 6f 6c 64 63 6f 75 6e 74 | 0.....goldcount|
000016e0 0d 08 8e 0a 45 51 55 44 20 30 0d 08 98 0e 2e 67 |....EQUD 0.....g|
000016f0 6f 6c 64 74 6f 74 61 6c 0d 08 a2 0a 45 51 55 44 |oldtotal....EQUD|
00001700 20 30 0d 08 ac 0a 2e 6c 65 76 65 6c 0d 08 b6 0a | 0.....level....|
00001710 45 51 55 44 20 30 0d 08 c0 09 2e 64 65 61 64 0d |EQUD 0.....dead.|
00001720 08 ca 0a 45 51 55 44 20 30 0d 08 d4 0a 2e 6c 69 |...EQUD 0.....li|
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00001740 10 2e 66 69 6e 69 73 68 65 64 6d 61 70 0d 08 f2 |..finishedmap...|
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00001a70 42 4c 20 66 6f 75 72 73 79 6e 63 73 0d 0a 64 11 |BL foursyncs..d.|
00001a80 42 4c 20 73 63 72 65 65 6e 62 61 6e 6b 0d 0a 6e |BL screenbank..n|
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00001b20 74 6d 61 70 0d 0a d2 11 42 4c 20 73 63 72 65 65 |tmap....BL scree|
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00001b60 6f 63 6b 73 6c 69 6e 6b 0d 0a fa 0e 4d 4f 56 20 |ockslink....MOV |
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00001b80 72 6f 63 6b 73 6f 75 6e 64 0d 0b 18 30 4d 4f 56 |rocksound...0MOV|
00001b90 20 52 30 2c 23 31 20 20 20 20 20 20 20 20 20 20 | R0,#1 |
00001ba0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00001bb0 43 68 61 6e 6e 65 6c 20 31 0d 0b 22 31 4d 4f 56 |Channel 1.."1MOV|
00001bc0 20 52 31 2c 23 31 35 20 20 20 20 20 20 20 20 20 | R1,#15 |
00001bd0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00001be0 56 6f 6c 75 6d 65 20 2b 31 35 0d 0b 2c 41 52 53 |Volume +15..,ARS|
00001bf0 42 20 52 31 2c 52 31 2c 23 30 20 20 20 20 20 20 |B R1,R1,#0 |
00001c00 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00001c10 20 4d 61 6b 65 20 76 6f 6c 75 6d 65 20 6e 65 67 | Make volume neg|
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00001c30 4f 56 20 52 32 2c 23 32 30 30 20 20 20 20 20 20 |OV R2,#200 |
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00001c60 4f 56 20 52 33 2c 23 34 20 20 20 20 20 20 20 20 |OV R3,#4 |
00001c70 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001c80 3b 20 44 75 72 61 74 69 6f 6e 20 31 30 0d 0b 4a |; Duration 10..J|
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00001ca0 72 6f 6c 22 20 20 20 20 20 20 20 20 20 20 20 20 |rol" |
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00001d10 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00001d40 7a 65 72 6f 0d 0b 7c 40 4d 4f 56 20 52 32 2c 23 |zero..|@MOV R2,#|
00001d50 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |0 |
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00001da0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00001dd0 65 72 6f 0d 0b 9a 0f 2e 78 63 6f 75 6e 74 6c 6f |ero.....xcountlo|
00001de0 6f 70 0d 0b a4 3a 4c 44 52 42 20 52 34 2c 5b 52 |op...:LDRB R4,[R|
00001df0 30 5d 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |0] |
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00001e30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001e40 20 3b 20 41 64 64 20 31 20 74 6f 20 74 68 65 20 | ; Add 1 to the |
00001e50 6d 61 70 20 70 6f 69 6e 74 65 72 0d 0b b8 3e 43 |map pointer...>C|
00001e60 4d 50 20 52 34 2c 23 33 32 2b 31 39 20 20 20 20 |MP R4,#32+19 |
00001e70 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001e80 3b 20 49 73 20 74 68 65 20 74 69 6c 65 20 61 20 |; Is the tile a |
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00001ea0 45 51 20 52 31 2c 52 31 2c 23 31 20 20 20 20 20 |EQ R1,R1,#1 |
00001eb0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00001ec0 49 66 20 79 65 73 20 61 64 64 20 31 20 74 6f 20 |If yes add 1 to |
00001ed0 74 68 65 20 64 69 61 6d 6f 6e 64 20 63 6f 75 6e |the diamond coun|
00001ee0 74 65 72 0d 0b cc 3d 41 44 44 20 52 33 2c 52 33 |ter...=ADD R3,R3|
00001ef0 2c 23 31 20 20 20 20 20 20 20 20 20 20 20 20 20 |,#1 |
00001f00 20 20 20 20 20 20 20 20 3b 20 41 64 64 20 31 20 | ; Add 1 |
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00001f20 0d 0b d6 3e 43 4d 50 20 52 33 2c 23 34 30 20 20 |...>CMP R3,#40 |
00001f30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001f40 20 20 20 20 20 3b 20 49 73 20 61 20 6c 69 6e 65 | ; Is a line|
00001f50 20 73 63 61 6e 6e 65 64 20 79 65 74 20 3f 0d 0b | scanned yet ?..|
00001f60 e0 12 42 4e 45 20 78 63 6f 75 6e 74 6c 6f 6f 70 |..BNE xcountloop|
00001f70 0d 0b ea 3d 41 44 44 20 52 32 2c 52 32 2c 23 31 |...=ADD R2,R2,#1|
00001f80 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001f90 20 20 20 20 20 3b 20 41 64 64 20 31 20 74 6f 20 | ; Add 1 to |
00001fa0 74 68 65 20 79 20 63 6f 75 6e 74 65 72 0d 0b f4 |the y counter...|
00001fb0 45 43 4d 50 20 52 32 2c 23 32 38 20 20 20 20 20 |ECMP R2,#28 |
00001fc0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00001fd0 20 20 3b 20 48 61 73 20 74 68 65 20 6d 61 70 20 | ; Has the map |
00001fe0 62 65 65 6e 20 73 63 61 6e 6e 65 64 20 79 65 74 |been scanned yet|
00001ff0 20 3f 0d 0b fe 12 42 4e 45 20 79 63 6f 75 6e 74 | ?....BNE ycount|
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00002010 6f 6c 64 74 6f 74 61 6c 20 20 20 20 20 20 20 20 |oldtotal |
00002020 20 20 20 20 20 20 20 20 20 3b 20 53 74 6f 72 65 | ; Store|
00002030 20 74 68 65 20 64 69 61 6d 6f 6e 64 20 63 6f 75 | the diamond cou|
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00002060 05 3a 0d 0c 26 0d 2e 6e 65 77 66 72 61 6d 65 0d |.:..&..newframe.|
00002070 0c 30 10 4c 44 52 20 52 30 2c 66 72 61 6d 65 0d |.0.LDR R0,frame.|
00002080 0c 3a 0d 43 4d 50 20 52 30 2c 23 31 0d 0c 44 0c |.:.CMP R0,#1..D.|
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000020f0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00002100 20 53 74 6f 72 65 20 74 68 65 20 6c 69 6e 6b 20 | Store the link |
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00002140 35 2c 23 33 20 20 20 20 20 20 3b 20 53 65 74 20 |5,#3 ; Set |
00002150 52 35 20 74 6f 20 70 6f 69 6e 74 20 74 6f 20 74 |R5 to point to t|
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00002190 20 20 3b 20 53 65 74 20 52 36 20 74 6f 20 70 6f | ; Set R6 to po|
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00002220 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 52 | ; R|
00002230 31 30 20 70 6f 69 6e 74 73 20 74 6f 20 6d 61 70 |10 points to map|
00002240 20 64 61 74 61 0d 0c da 4a 4c 44 52 20 52 31 31 | data...JLDR R11|
00002250 2c 65 6e 64 6f 66 6d 61 70 20 20 20 20 20 20 20 |,endofmap |
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00002270 20 52 31 31 20 77 69 74 68 20 74 68 65 20 76 61 | R11 with the va|
00002280 6c 75 65 20 6f 66 20 65 6e 64 6f 66 6d 61 70 0d |lue of endofmap.|
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000022a0 31 31 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |11 |
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000022e0 56 20 52 39 2c 23 32 37 20 20 20 20 20 20 20 20 |V R9,#27 |
000022f0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00002300 20 53 65 74 20 74 68 65 20 6d 61 70 20 79 20 63 | Set the map y c|
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00002330 56 20 52 38 2c 23 30 20 20 20 20 20 20 20 20 20 |V R8,#0 |
00002340 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00002350 20 53 65 74 20 74 68 65 20 78 20 6d 61 70 20 63 | Set the x map c|
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00002370 78 72 6f 63 6b 6c 6f 6f 70 0d 0d 16 3b 4c 44 52 |xrockloop...;LDR|
00002380 42 20 52 31 31 2c 5b 52 31 30 5d 20 20 20 20 20 |B R11,[R10] |
00002390 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
000023a0 4c 6f 61 64 20 61 20 74 69 6c 65 20 69 6e 74 6f |Load a tile into|
000023b0 20 52 31 31 0d 0d 20 39 43 4d 50 20 52 31 31 2c | R11.. 9CMP R11,|
000023c0 23 33 2b 33 32 20 20 20 20 20 20 20 20 20 20 20 |#3+32 |
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000023f0 38 42 4c 45 51 20 72 6f 63 6b 66 6f 75 6e 64 20 |8BLEQ rockfound |
00002400 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002410 20 20 3b 20 49 66 20 69 74 20 69 73 20 63 68 65 | ; If it is che|
00002420 63 6b 20 69 74 0d 0d 34 46 53 55 42 20 52 31 30 |ck it..4FSUB R10|
00002430 2c 52 31 30 2c 23 31 20 20 20 20 20 20 20 20 20 |,R10,#1 |
00002440 20 20 20 20 20 20 20 20 20 20 3b 20 53 75 62 74 | ; Subt|
00002450 72 61 63 74 20 31 20 66 72 6f 6d 20 74 68 65 20 |ract 1 from the |
00002460 6d 61 70 20 70 6f 69 6e 74 65 72 0d 0d 3e 41 41 |map pointer..>AA|
00002470 44 44 20 52 38 2c 52 38 2c 23 31 20 20 20 20 20 |DD R8,R8,#1 |
00002480 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002490 3b 20 41 64 64 20 31 20 74 6f 20 74 68 65 20 78 |; Add 1 to the x|
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000024b0 43 4d 50 20 52 38 2c 23 34 30 20 20 20 20 20 20 |CMP R8,#40 |
000024c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000024d0 20 3b 20 49 73 20 74 68 61 74 20 74 68 65 20 65 | ; Is that the e|
000024e0 6e 64 20 6f 66 20 74 68 65 20 6c 69 6e 65 20 3f |nd of the line ?|
000024f0 0d 0d 52 37 42 4e 45 20 78 72 6f 63 6b 6c 6f 6f |..R7BNE xrockloo|
00002500 70 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |p |
00002510 20 20 20 20 20 3b 20 49 66 20 6e 6f 74 20 6c 6f | ; If not lo|
00002520 6f 70 20 62 61 63 6b 0d 0d 5c 48 53 55 42 20 52 |op back..\HSUB R|
00002530 39 2c 52 39 2c 23 31 20 20 20 20 20 20 20 20 20 |9,R9,#1 |
00002540 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 53 75 | ; Su|
00002550 62 74 72 61 63 74 20 31 20 66 72 6f 6d 20 74 68 |btract 1 from th|
00002560 65 20 79 20 6d 61 70 20 63 6f 75 6e 74 65 72 0d |e y map counter.|
00002570 0d 66 49 43 4d 4e 20 52 39 2c 23 31 20 20 20 20 |.fICMN R9,#1 |
00002580 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002590 20 20 20 20 3b 20 48 61 73 20 74 68 65 20 79 20 | ; Has the y |
000025a0 63 6f 75 6e 74 65 72 20 72 65 61 63 68 65 64 20 |counter reached |
000025b0 2d 31 20 79 65 74 20 3f 0d 0d 70 37 42 4e 45 20 |-1 yet ?..p7BNE |
000025c0 79 72 6f 63 6b 6c 6f 6f 70 20 20 20 20 20 20 20 |yrockloop |
000025d0 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 | ; I|
000025e0 66 20 6e 6f 74 20 6c 6f 6f 70 20 62 61 63 6b 0d |f not loop back.|
000025f0 0d 7a 0d 4d 4f 56 20 52 30 2c 23 30 0d 0d 84 12 |.z.MOV R0,#0....|
00002600 53 54 52 20 52 30 2c 6e 65 77 74 69 6c 65 0d 0d |STR R0,newtile..|
00002610 8e 11 42 4c 20 63 68 61 6e 67 65 74 69 6c 65 0d |..BL changetile.|
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00002630 6c 69 6e 6b 20 20 20 20 20 20 20 20 20 20 20 20 |link |
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00002650 20 6c 69 6e 6b 20 72 65 67 69 73 74 65 72 0d 0d | link register..|
00002660 a2 0e 4d 4f 56 20 50 43 2c 52 31 34 0d 0d ac 05 |..MOV PC,R14....|
00002670 3a 0d 0d b6 0e 2e 72 6f 63 6b 66 6f 75 6e 64 0d |:.....rockfound.|
00002680 0d c0 48 4d 4f 56 20 52 30 2c 52 31 30 20 20 20 |..HMOV R0,R10 |
00002690 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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000026b0 64 72 65 73 73 20 6f 66 20 74 68 65 20 72 6f 63 |dress of the roc|
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000026e0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 47 65 | ; Ge|
000026f0 74 20 74 68 65 20 61 64 64 72 65 73 73 20 31 20 |t the address 1 |
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00002710 6f 63 6b 0d 0d d4 47 4c 44 52 42 20 52 31 31 2c |ock...GLDRB R11,|
00002720 5b 52 30 5d 20 20 20 20 20 20 20 20 20 20 20 20 |[R0] |
00002730 20 20 20 20 20 20 20 20 3b 20 4c 6f 61 64 20 74 | ; Load t|
00002740 68 65 20 74 69 6c 65 20 66 72 6f 6d 20 74 68 65 |he tile from the|
00002750 72 65 20 69 6e 74 6f 20 52 30 0d 0d de 42 43 4d |re into R0...BCM|
00002760 50 20 52 31 31 2c 23 33 32 2b 30 20 20 20 20 20 |P R11,#32+0 |
00002770 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00002780 20 49 73 20 74 68 65 20 74 69 6c 65 20 61 20 62 | Is the tile a b|
00002790 6c 61 6e 6b 20 73 70 61 63 65 20 3f 0d 0d e8 11 |lank space ?....|
000027a0 42 4e 45 20 6e 6f 74 61 62 6c 61 6e 6b 0d 0d f2 |BNE notablank...|
000027b0 47 53 54 52 42 20 52 31 31 2c 5b 52 31 30 5d 20 |GSTRB R11,[R10] |
000027c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000027d0 20 20 3b 20 53 74 6f 72 65 20 61 20 62 6c 61 6e | ; Store a blan|
000027e0 6b 20 74 69 6c 65 20 6f 76 65 72 20 74 68 65 20 |k tile over the |
000027f0 72 6f 63 6b 0d 0d fc 3b 4d 4f 56 20 52 31 31 2c |rock...;MOV R11,|
00002800 23 33 32 2b 33 20 20 20 20 20 20 20 20 20 20 20 |#32+3 |
00002810 20 20 20 20 20 20 20 20 20 3b 20 4c 6f 61 64 20 | ; Load |
00002820 52 31 31 20 77 69 74 68 20 61 20 72 6f 63 6b 0d |R11 with a rock.|
00002830 0e 06 4d 53 54 52 42 20 52 31 31 2c 5b 52 30 5d |..MSTRB R11,[R0]|
00002840 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002850 20 20 20 20 3b 20 41 6e 64 20 70 6c 61 63 65 20 | ; And place |
00002860 74 68 65 20 72 6f 63 6b 20 69 6e 20 69 74 73 20 |the rock in its |
00002870 6e 65 77 20 70 6f 73 69 74 69 6f 6e 0d 0e 10 4a |new position...J|
00002880 42 20 63 68 65 63 6b 66 6f 72 6d 61 6e 62 65 6c |B checkformanbel|
00002890 6f 77 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |ow |
000028a0 20 3b 20 43 68 65 63 6b 20 74 6f 20 73 65 65 20 | ; Check to see |
000028b0 69 66 20 6d 61 6e 20 77 61 73 20 68 69 74 20 62 |if man was hit b|
000028c0 79 20 72 6f 63 6b 0d 0e 1a 0e 2e 6e 6f 74 61 62 |y rock.....notab|
000028d0 6c 61 6e 6b 0d 0e 24 46 4d 4f 56 20 52 35 2c 52 |lank..$FMOV R5,R|
000028e0 31 31 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |11 |
000028f0 20 20 20 20 20 20 20 20 20 3b 20 50 75 74 20 74 | ; Put t|
00002900 68 65 20 76 61 6c 75 65 20 6f 66 20 74 68 65 20 |he value of the |
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00002920 50 20 52 31 31 2c 23 33 32 2b 34 20 20 20 20 20 |P R11,#32+4 |
00002930 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00002940 20 49 73 20 74 68 65 20 74 69 6c 65 20 61 20 6c | Is the tile a l|
00002950 65 66 74 20 73 6c 6f 70 65 20 3f 0d 0e 38 11 42 |eft slope ?..8.B|
00002960 45 51 20 6c 65 66 74 73 6c 6f 70 65 0d 0e 42 42 |EQ leftslope..BB|
00002970 43 4d 50 20 52 31 31 2c 23 33 32 2b 36 20 20 20 |CMP R11,#32+6 |
00002980 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002990 20 3b 20 49 73 20 74 68 65 20 74 69 6c 65 20 61 | ; Is the tile a|
000029a0 20 72 69 67 68 74 20 73 6c 6f 70 65 20 3f 0d 0e | right slope ?..|
000029b0 4c 12 42 45 51 20 72 69 67 68 74 73 6c 6f 70 65 |L.BEQ rightslope|
000029c0 0d 0e 56 3c 43 4d 50 20 52 35 2c 23 33 32 2b 31 |..V<CMP R5,#32+1|
000029d0 39 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |9 |
000029e0 20 20 20 20 20 3b 20 49 73 20 74 68 65 20 74 69 | ; Is the ti|
000029f0 6c 65 20 61 20 64 69 61 6d 6f 6e 64 0d 0e 60 11 |le a diamond..`.|
00002a00 42 45 51 20 6c 65 66 74 73 6c 6f 70 65 0d 0e 6a |BEQ leftslope..j|
00002a10 39 43 4d 50 20 52 35 2c 23 33 32 2b 33 20 20 20 |9CMP R5,#32+3 |
00002a20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002a30 20 20 3b 20 49 73 20 74 68 65 20 74 69 6c 65 20 | ; Is the tile |
00002a40 61 20 72 6f 63 6b 0d 0e 74 11 42 45 51 20 6c 65 |a rock..t.BEQ le|
00002a50 66 74 73 6c 6f 70 65 0d 0e 7e 3f 43 4d 50 20 52 |ftslope..~?CMP R|
00002a60 35 2c 23 33 32 2b 32 32 20 20 20 20 20 20 20 20 |5,#32+22 |
00002a70 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 | ; Is|
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00002a90 72 20 70 69 6c 6c 0d 0e 88 11 42 45 51 20 6c 65 |r pill....BEQ le|
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00002ab0 72 6e 66 72 6f 6d 73 6c 6f 70 65 0d 0e 9c 3f 43 |rnfromslope...?C|
00002ac0 4d 50 20 52 35 2c 23 33 32 2b 32 32 20 20 20 20 |MP R5,#32+22 |
00002ad0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00002b60 35 2c 23 33 32 2b 31 39 20 20 20 20 20 20 20 20 |5,#32+19 |
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00002ca0 31 31 2c 23 32 38 2b 33 32 20 20 20 20 20 20 20 |11,#28+32 |
00002cb0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 | ; Is|
00002cc0 20 74 68 65 20 6d 61 6e 20 69 6e 20 74 68 61 74 | the man in that|
00002cd0 20 74 69 6c 65 20 3f 0d 0f 14 3a ec 51 20 52 31 | tile ?...:.Q R1|
00002ce0 2c 23 31 20 20 20 20 20 20 20 20 20 20 20 20 20 |,#1 |
00002cf0 20 20 20 20 20 20 20 20 20 3b 20 49 66 20 79 65 | ; If ye|
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00002d20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002d30 20 20 20 20 20 20 3b 20 53 74 6f 72 65 20 74 68 | ; Store th|
00002d40 65 20 76 61 72 69 61 62 6c 65 20 64 65 61 64 0d |e variable dead.|
00002d50 0f 28 0f 42 20 72 6f 63 6b 73 6f 75 6e 64 0d 0f |.(.B rocksound..|
00002d60 32 0e 4d 4f 56 20 50 43 2c 52 31 34 0d 0f 3c 05 |2.MOV PC,R14..<.|
00002d70 3a 0d 0f 46 0e 2e 6c 65 66 74 73 6c 6f 70 65 0d |:..F..leftslope.|
00002d80 0f 50 0e 4d 4f 56 20 52 36 2c 52 31 30 0d 0f 5a |.P.MOV R6,R10..Z|
00002d90 4a 53 55 42 20 52 36 2c 52 36 2c 23 31 20 20 20 |JSUB R6,R6,#1 |
00002da0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002db0 20 20 3b 20 4d 6f 76 65 20 74 68 65 20 61 64 64 | ; Move the add|
00002dc0 72 65 73 73 20 31 20 74 69 6c 65 20 74 6f 20 74 |ress 1 tile to t|
00002dd0 68 65 20 6c 65 66 74 0d 0f 64 42 4c 44 52 42 20 |he left..dBLDRB |
00002de0 52 31 31 2c 5b 52 36 5d 20 20 20 20 20 20 20 20 |R11,[R6] |
00002df0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 41 6e | ; An|
00002e00 64 20 67 65 74 20 74 68 65 20 74 69 6c 65 20 66 |d get the tile f|
00002e10 72 6f 6d 20 74 68 65 72 65 0d 0f 6e 3c 43 4d 50 |rom there..n<CMP|
00002e20 20 52 31 31 2c 23 33 32 2b 30 20 20 20 20 20 20 | R11,#32+0 |
00002e30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00002e40 49 73 20 69 74 20 61 20 62 6c 61 6e 6b 20 73 70 |Is it a blank sp|
00002e50 61 63 65 20 3f 0d 0f 78 4e 42 4e 45 20 72 65 74 |ace ?..xNBNE ret|
00002e60 75 72 6e 66 72 6f 6d 73 6c 6f 70 65 20 20 20 20 |urnfromslope |
00002e70 20 20 20 20 20 20 20 20 20 20 3b 20 49 66 20 6e | ; If n|
00002e80 6f 74 20 65 78 69 74 20 74 68 69 73 20 73 75 62 |ot exit this sub|
00002e90 72 6f 75 74 69 6e 65 20 69 6d 6d 65 64 69 61 74 |routine immediat|
00002ea0 65 6c 79 0d 0f 82 11 41 44 44 20 52 36 2c 52 36 |ely....ADD R6,R6|
00002eb0 2c 23 34 30 0d 0f 8c 42 4c 44 52 42 20 52 31 31 |,#40...BLDRB R11|
00002ec0 2c 5b 52 36 5d 20 20 20 20 20 20 20 20 20 20 20 |,[R6] |
00002ed0 20 20 20 20 20 20 20 20 20 3b 20 41 6e 64 20 67 | ; And g|
00002ee0 65 74 20 74 68 65 20 74 69 6c 65 20 66 72 6f 6d |et the tile from|
00002ef0 20 74 68 65 72 65 0d 0f 96 3c 43 4d 50 20 52 31 | there...<CMP R1|
00002f00 31 2c 23 33 32 2b 30 20 20 20 20 20 20 20 20 20 |1,#32+0 |
00002f10 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 20 | ; Is |
00002f20 69 74 20 61 20 62 6c 61 6e 6b 20 73 70 61 63 65 |it a blank space|
00002f30 20 3f 0d 0f a0 4e 42 4e 45 20 72 65 74 75 72 6e | ?...NBNE return|
00002f40 66 72 6f 6d 73 6c 6f 70 65 20 20 20 20 20 20 20 |fromslope |
00002f50 20 20 20 20 20 20 20 3b 20 49 66 20 6e 6f 74 20 | ; If not |
00002f60 65 78 69 74 20 74 68 69 73 20 73 75 62 72 6f 75 |exit this subrou|
00002f70 74 69 6e 65 20 69 6d 6d 65 64 69 61 74 65 6c 79 |tine immediately|
00002f80 0d 0f aa 47 4d 4f 56 20 52 37 2c 23 33 32 2b 33 |...GMOV R7,#32+3|
00002f90 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00002fa0 20 20 20 20 20 3b 20 4c 6f 61 64 20 52 37 20 77 | ; Load R7 w|
00002fb0 69 74 68 20 74 68 65 20 76 61 6c 75 65 20 6f 66 |ith the value of|
00002fc0 20 61 20 72 6f 63 6b 0d 0f b4 4b 53 54 52 42 20 | a rock...KSTRB |
00002fd0 52 37 2c 5b 52 36 5d 20 20 20 20 20 20 20 20 20 |R7,[R6] |
00002fe0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 41 6e | ; An|
00002ff0 64 20 70 75 74 20 74 68 65 20 72 6f 63 6b 20 69 |d put the rock i|
00003000 6e 20 69 74 73 20 6e 65 77 20 70 6f 73 69 74 69 |n its new positi|
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00003020 2b 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |+0 |
00003030 20 20 20 20 20 20 20 3b 20 4c 6f 61 64 20 52 37 | ; Load R7|
00003040 20 77 69 74 68 20 74 68 65 20 76 61 6c 75 65 20 | with the value |
00003050 6f 66 20 61 20 62 6c 61 6e 6b 20 73 70 61 63 65 |of a blank space|
00003060 0d 0f c8 4e 53 54 52 42 20 52 37 2c 5b 52 31 30 |...NSTRB R7,[R10|
00003070 5d 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |] |
00003080 20 20 20 20 20 3b 20 41 6e 64 20 70 75 74 20 74 | ; And put t|
00003090 68 65 20 73 70 61 63 65 20 6f 76 65 72 20 74 68 |he space over th|
000030a0 65 20 6f 6c 64 20 72 6f 63 6b 20 70 6f 73 0d 0f |e old rock pos..|
000030b0 d2 49 41 44 44 20 52 36 2c 52 36 2c 23 34 30 20 |.IADD R6,R6,#40 |
000030c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000030d0 20 20 20 3b 20 47 65 74 20 74 68 65 20 61 64 64 | ; Get the add|
000030e0 72 65 73 73 20 31 20 74 69 6c 65 20 62 65 6c 6f |ress 1 tile belo|
000030f0 77 20 61 67 61 69 6e 0d 0f dc 41 4c 44 52 42 20 |w again...ALDRB |
00003100 52 31 31 2c 5b 52 36 5d 20 20 20 20 20 20 20 20 |R11,[R6] |
00003110 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 4c 6f | ; Lo|
00003120 61 64 20 74 69 6c 65 20 66 72 6f 6d 20 74 68 65 |ad tile from the|
00003130 20 61 64 64 72 65 73 73 0d 0f e6 45 4c 44 52 20 | address...ELDR |
00003140 52 31 2c 64 65 61 64 20 20 20 20 20 20 20 20 20 |R1,dead |
00003150 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 4c | ; L|
00003160 6f 61 64 20 52 31 20 77 69 74 68 20 74 68 65 20 |oad R1 with the |
00003170 76 61 72 69 61 62 6c 65 20 64 65 61 64 0d 0f f0 |variable dead...|
00003180 40 43 4d 50 20 52 31 31 2c 23 32 38 2b 33 32 20 |@CMP R11,#28+32 |
00003190 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000031a0 20 20 3b 20 49 73 20 74 68 65 20 6d 61 6e 20 69 | ; Is the man i|
000031b0 6e 20 74 68 61 74 20 74 69 6c 65 20 3f 0d 0f fa |n that tile ?...|
000031c0 3a ec 51 20 52 31 2c 23 31 20 20 20 20 20 20 20 |:.Q R1,#1 |
000031d0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
000031e0 20 49 66 20 79 65 73 2c 20 68 65 20 69 73 20 6e | If yes, he is n|
000031f0 6f 77 20 64 65 61 64 0d 10 04 45 43 4d 50 20 52 |ow dead...ECMP R|
00003200 31 31 2c 23 33 32 2b 33 20 20 20 20 20 20 20 20 |11,#32+3 |
00003210 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 | ; Is|
00003220 20 74 68 65 72 65 20 61 20 72 6f 63 6b 20 69 6e | there a rock in|
00003230 20 74 68 61 74 20 74 69 6c 65 20 3f 0d 10 0e 4f | that tile ?...O|
00003240 42 45 51 20 63 68 65 63 6b 6c 65 66 74 64 65 61 |BEQ checkleftdea|
00003250 64 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |d |
00003260 20 3b 20 49 66 20 79 65 73 20 63 68 65 63 6b 20 | ; If yes check |
00003270 74 6f 20 73 65 65 20 69 66 20 6d 61 6e 20 69 73 |to see if man is|
00003280 20 6e 65 78 74 20 74 6f 20 69 74 0d 10 18 48 43 | next to it...HC|
00003290 4d 50 20 52 31 31 2c 23 33 32 2b 31 39 20 20 20 |MP R11,#32+19 |
000032a0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000032b0 3b 20 49 73 20 74 68 65 72 65 20 61 20 64 69 61 |; Is there a dia|
000032c0 6d 6f 6e 64 20 69 6e 20 74 68 61 74 20 74 69 6c |mond in that til|
000032d0 65 20 3f 0d 10 22 4f 42 45 51 20 63 68 65 63 6b |e ?.."OBEQ check|
000032e0 6c 65 66 74 64 65 61 64 20 20 20 20 20 20 20 20 |leftdead |
000032f0 20 20 20 20 20 20 20 20 3b 20 49 66 20 79 65 73 | ; If yes|
00003300 20 63 68 65 63 6b 20 74 6f 20 73 65 65 20 69 66 | check to see if|
00003310 20 6d 61 6e 20 69 73 20 6e 65 78 74 20 74 6f 20 | man is next to |
00003320 69 74 0d 10 2c 4b 43 4d 50 20 52 31 31 2c 23 33 |it..,KCMP R11,#3|
00003330 32 2b 32 32 20 20 20 20 20 20 20 20 20 20 20 20 |2+22 |
00003340 20 20 20 20 20 20 20 3b 20 49 73 20 74 68 65 72 | ; Is ther|
00003350 65 20 61 20 70 6f 77 65 72 20 70 69 6c 6c 20 69 |e a power pill i|
00003360 6e 20 74 68 61 74 20 74 69 6c 65 20 3f 0d 10 36 |n that tile ?..6|
00003370 4f 42 45 51 20 63 68 65 63 6b 6c 65 66 74 64 65 |OBEQ checkleftde|
00003380 61 64 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |ad |
00003390 20 20 3b 20 49 66 20 79 65 73 20 63 68 65 63 6b | ; If yes check|
000033a0 20 74 6f 20 73 65 65 20 69 66 20 6d 61 6e 20 69 | to see if man i|
000033b0 73 20 6e 65 78 74 20 74 6f 20 69 74 0d 10 40 4b |s next to it..@K|
000033c0 43 4d 50 20 52 31 31 2c 23 33 32 2b 34 20 20 20 |CMP R11,#32+4 |
000033d0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000033e0 20 3b 20 49 73 20 74 68 65 72 65 20 61 20 6c 65 | ; Is there a le|
000033f0 66 74 20 73 6c 6f 70 65 20 69 6e 20 74 68 61 74 |ft slope in that|
00003400 20 74 69 6c 65 20 3f 0d 10 4a 3e 53 54 52 20 52 | tile ?..J>STR R|
00003410 31 2c 64 65 61 64 20 20 20 20 20 20 20 20 20 20 |1,dead |
00003420 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 53 74 | ; St|
00003430 6f 72 65 20 74 68 65 20 76 61 72 69 61 62 6c 65 |ore the variable|
00003440 20 64 65 61 64 0d 10 54 0f 42 20 72 6f 63 6b 73 | dead..T.B rocks|
00003450 6f 75 6e 64 0d 10 5e 0e 4d 4f 56 20 50 43 2c 52 |ound..^.MOV PC,R|
00003460 31 34 0d 10 68 12 2e 63 68 65 63 6b 6c 65 66 74 |14..h..checkleft|
00003470 64 65 61 64 0d 10 72 48 53 55 42 20 52 36 2c 52 |dead..rHSUB R6,R|
00003480 36 2c 23 31 20 20 20 20 20 20 20 20 20 20 20 20 |6,#1 |
00003490 20 20 20 20 20 20 20 20 20 3b 20 47 65 74 20 61 | ; Get a|
000034a0 64 64 72 65 73 73 20 6f 66 20 74 69 6c 65 20 31 |ddress of tile 1|
000034b0 20 74 6f 20 74 68 65 20 6c 65 66 74 0d 10 7c 41 | to the left..|A|
000034c0 4c 44 52 42 20 52 31 31 2c 5b 52 36 5d 20 20 20 |LDRB R11,[R6] |
000034d0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000034e0 20 3b 20 4c 6f 61 64 20 74 69 6c 65 20 66 72 6f | ; Load tile fro|
000034f0 6d 20 74 68 65 20 61 64 64 72 65 73 73 0d 10 86 |m the address...|
00003500 40 43 4d 50 20 52 31 31 2c 23 32 38 2b 33 32 20 |@CMP R11,#28+32 |
00003510 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00003520 20 20 3b 20 49 73 20 74 68 65 20 6d 61 6e 20 69 | ; Is the man i|
00003530 6e 20 74 68 61 74 20 74 69 6c 65 20 3f 0d 10 90 |n that tile ?...|
00003540 3a ec 51 20 52 31 2c 23 31 20 20 20 20 20 20 20 |:.Q R1,#1 |
00003550 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00003560 20 49 66 20 79 65 73 2c 20 68 65 20 69 73 20 6e | If yes, he is n|
00003570 6f 77 20 64 65 61 64 0d 10 9a 3e 53 54 52 20 52 |ow dead...>STR R|
00003580 31 2c 64 65 61 64 20 20 20 20 20 20 20 20 20 20 |1,dead |
00003590 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 53 74 | ; St|
000035a0 6f 72 65 20 74 68 65 20 76 61 72 69 61 62 6c 65 |ore the variable|
000035b0 20 64 65 61 64 0d 10 a4 0e 4d 4f 56 20 50 43 2c | dead....MOV PC,|
000035c0 52 31 34 0d 10 ae 05 3a 0d 10 b8 0f 2e 72 69 67 |R14....:.....rig|
000035d0 68 74 73 6c 6f 70 65 0d 10 c2 0e 4d 4f 56 20 52 |htslope....MOV R|
000035e0 36 2c 52 31 30 0d 10 cc 4b 41 44 44 20 52 36 2c |6,R10...KADD R6,|
000035f0 52 36 2c 23 31 20 20 20 20 20 20 20 20 20 20 20 |R6,#1 |
00003600 20 20 20 20 20 20 20 20 20 20 3b 20 4d 6f 76 65 | ; Move|
00003610 20 74 68 65 20 61 64 64 72 65 73 73 20 31 20 74 | the address 1 t|
00003620 69 6c 65 20 74 6f 20 74 68 65 20 72 69 67 68 74 |ile to the right|
00003630 0d 10 d6 42 4c 44 52 42 20 52 31 31 2c 5b 52 36 |...BLDRB R11,[R6|
00003640 5d 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |] |
00003650 20 20 20 20 20 3b 20 41 6e 64 20 67 65 74 20 74 | ; And get t|
00003660 68 65 20 74 69 6c 65 20 66 72 6f 6d 20 74 68 65 |he tile from the|
00003670 72 65 0d 10 e0 3c 43 4d 50 20 52 31 31 2c 23 33 |re...<CMP R11,#3|
00003680 32 2b 30 20 20 20 20 20 20 20 20 20 20 20 20 20 |2+0 |
00003690 20 20 20 20 20 20 20 3b 20 49 73 20 69 74 20 61 | ; Is it a|
000036a0 20 62 6c 61 6e 6b 20 73 70 61 63 65 20 3f 0d 10 | blank space ?..|
000036b0 ea 10 4d 4f 56 4e 45 20 50 43 2c 52 31 34 0d 10 |..MOVNE PC,R14..|
000036c0 f4 11 41 44 44 20 52 36 2c 52 36 2c 23 34 30 0d |..ADD R6,R6,#40.|
000036d0 10 fe 42 4c 44 52 42 20 52 31 31 2c 5b 52 36 5d |..BLDRB R11,[R6]|
000036e0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000036f0 20 20 20 20 3b 20 41 6e 64 20 67 65 74 20 74 68 | ; And get th|
00003700 65 20 74 69 6c 65 20 66 72 6f 6d 20 74 68 65 72 |e tile from ther|
00003710 65 0d 11 08 3c 43 4d 50 20 52 31 31 2c 23 33 32 |e...<CMP R11,#32|
00003720 2b 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |+0 |
00003730 20 20 20 20 20 20 3b 20 49 73 20 69 74 20 61 20 | ; Is it a |
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00003ae0 32 2b 31 39 20 20 20 20 20 20 20 20 20 20 20 20 |2+19 |
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000043b0 72 69 74 65 43 22 3a 4d 4f 56 20 52 30 2c 23 39 |riteC":MOV R0,#9|
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00004480 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00004490 20 3b 20 50 72 69 6e 74 20 63 68 72 24 20 33 31 | ; Print chr$ 31|
000044a0 20 28 6d 6f 76 65 20 63 75 72 73 6f 72 29 0d 14 | (move cursor)..|
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00005720 2c 72 65 73 75 6c 74 20 20 20 20 20 20 20 20 20 |,result |
00005730 20 20 20 20 3b 20 47 65 74 20 74 68 65 20 72 65 | ; Get the re|
00005740 73 75 6c 74 20 6f 66 20 74 68 65 20 63 68 65 63 |sult of the chec|
00005750 6b 0d 18 c4 35 43 4d 50 20 52 30 2c 23 30 20 20 |k...5CMP R0,#0 |
00005760 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00005770 20 49 73 20 69 74 20 61 20 62 6c 61 6e 6b 20 73 | Is it a blank s|
00005780 70 61 63 65 20 3f 0d 18 ce 44 42 45 51 20 6d 6f |pace ?...DBEQ mo|
00005790 76 65 72 6f 63 6b 72 69 67 68 74 20 20 20 20 20 |verockright |
000057a0 20 20 20 20 3b 20 49 66 20 69 74 20 69 73 20 6d | ; If it is m|
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000057d0 56 20 52 30 2c 23 30 20 20 20 20 20 20 20 20 20 |V R0,#0 |
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000057f0 30 20 77 69 74 68 20 74 68 65 20 76 61 6c 75 65 |0 with the value|
00005800 20 30 20 28 30 3d 4e 6f 20 68 65 20 63 61 6e 74 | 0 (0=No he cant|
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00005820 2c 63 61 6e 68 65 6d 6f 76 65 20 20 20 20 20 20 |,canhemove |
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00005840 65 20 63 61 6e 68 65 6d 6f 76 65 20 77 6f 72 64 |e canhemove word|
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000058a0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
000058b0 41 6e 64 20 65 78 69 74 20 74 68 65 20 72 6f 75 |And exit the rou|
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00005960 6e 65 77 74 69 6c 65 0d 19 1e 40 42 4c 20 63 68 |newtile...@BL ch|
00005970 61 6e 67 65 74 69 6c 65 20 20 20 20 20 20 20 20 |angetile |
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00005a50 78 73 74 6f 72 65 0d 19 46 4b 42 4c 20 63 68 61 |xstore..FKBL cha|
00005a60 6e 67 65 74 69 6c 65 20 20 20 20 20 20 20 20 20 |ngetile |
00005a70 20 20 20 20 3b 20 54 68 65 6e 20 62 6c 61 6e 6b | ; Then blank|
00005a80 20 6f 76 65 72 20 74 68 65 20 6f 6c 64 20 72 6f | over the old ro|
00005a90 63 6b 20 77 69 74 68 20 74 68 65 20 73 70 61 63 |ck with the spac|
00005aa0 65 0d 19 50 4c 4d 4f 56 20 52 30 2c 23 31 20 20 |e..PLMOV R0,#1 |
00005ab0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00005ac0 20 4c 6f 61 64 20 52 30 20 77 69 74 68 20 74 68 | Load R0 with th|
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00005b20 76 65 20 77 6f 72 64 20 74 6f 20 6f 6e 65 0d 19 |ve word to one..|
00005b30 64 38 4c 44 52 20 52 31 34 2c 63 68 65 63 6b 6c |d8LDR R14,checkl|
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00005b70 2c 52 31 34 20 20 20 20 20 20 20 20 20 20 20 20 |,R14 |
00005b80 20 20 20 20 3b 20 41 6e 64 20 65 78 69 74 20 74 | ; And exit t|
00005b90 68 65 20 72 6f 75 74 69 6e 65 2c 20 74 68 65 20 |he routine, the |
00005ba0 6d 61 6e 20 63 61 6e 20 6d 6f 76 65 0d 19 78 05 |man can move..x.|
00005bb0 3a 0d 19 82 0f 2e 73 63 72 65 65 6e 62 61 6e 6b |:.....screenbank|
00005bc0 0d 19 8c 2e 4d 4f 56 20 52 30 2c 23 31 39 3a 53 |....MOV R0,#19:S|
00005bd0 57 49 20 22 4f 53 5f 42 79 74 65 22 20 20 3b 20 |WI "OS_Byte" ; |
00005be0 57 61 69 74 20 66 6f 72 20 56 73 79 6e 63 0d 19 |Wait for Vsync..|
00005bf0 96 12 4c 44 52 20 52 39 2c 62 61 6e 6b 6e 75 6d |..LDR R9,banknum|
00005c00 0d 19 a0 3a 43 4d 50 20 52 39 2c 23 30 20 20 20 |...:CMP R9,#0 |
00005c10 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00005c20 57 61 73 20 62 61 6e 6b 20 30 20 77 72 69 74 74 |Was bank 0 writt|
00005c30 65 6e 20 74 6f 20 6c 61 73 74 0d 19 aa 38 ec 51 |en to last...8.Q|
00005c40 20 52 39 2c 23 34 20 20 20 20 20 20 20 20 20 20 | R9,#4 |
00005c50 20 20 20 20 20 3b 20 49 66 20 79 65 73 20 77 72 | ; If yes wr|
00005c60 69 74 65 20 74 6f 20 62 61 6e 6b 20 34 20 6e 65 |ite to bank 4 ne|
00005c70 78 74 0d 19 b4 3b 4d 4f 56 4e 45 20 52 39 2c 23 |xt...;MOVNE R9,#|
00005c80 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |0 |
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00005ca0 6f 20 62 61 6e 6b 20 30 20 6e 65 78 74 0d 19 be |o bank 0 next...|
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00005cc0 19 c8 37 4d 4f 56 20 52 30 2c 23 31 31 33 20 20 |..7MOV R0,#113 |
00005cd0 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 53 | ; S|
00005ce0 65 74 20 52 30 20 74 6f 20 74 68 65 20 76 61 6c |et R0 to the val|
00005cf0 75 65 20 31 31 33 0d 19 d2 12 4c 44 52 20 52 39 |ue 113....LDR R9|
00005d00 2c 62 61 6e 6b 6e 75 6d 0d 19 dc 0d 43 4d 50 20 |,banknum....CMP |
00005d10 52 39 2c 23 34 0d 19 e6 0c ec 51 20 52 31 2c 23 |R9,#4.....Q R1,#|
00005d20 31 0d 19 f0 0f 4d 4f 56 4e 45 20 52 31 2c 23 32 |1....MOVNE R1,#2|
00005d30 0d 19 fa 11 53 57 49 20 22 4f 53 5f 42 79 74 65 |....SWI "OS_Byte|
00005d40 22 0d 1a 04 0e 4d 4f 56 20 50 43 2c 52 31 34 0d |"....MOV PC,R14.|
00005d50 1a 0e 05 3a 0d 1a 18 0e 2e 66 6f 75 72 73 79 6e |...:.....foursyn|
00005d60 63 73 0d 1a 22 2e 4d 4f 56 20 52 30 2c 23 31 39 |cs..".MOV R0,#19|
00005d70 3a 53 57 49 20 22 4f 53 5f 42 79 74 65 22 20 20 |:SWI "OS_Byte" |
00005d80 3b 20 57 61 69 74 20 66 6f 72 20 56 73 79 6e 63 |; Wait for Vsync|
00005d90 0d 1a 2c 2e 4d 4f 56 20 52 30 2c 23 31 39 3a 53 |..,.MOV R0,#19:S|
00005da0 57 49 20 22 4f 53 5f 42 79 74 65 22 20 20 3b 20 |WI "OS_Byte" ; |
00005db0 57 61 69 74 20 66 6f 72 20 56 73 79 6e 63 0d 1a |Wait for Vsync..|
00005dc0 36 2e 4d 4f 56 20 52 30 2c 23 31 39 3a 53 57 49 |6.MOV R0,#19:SWI|
00005dd0 20 22 4f 53 5f 42 79 74 65 22 20 20 3b 20 57 61 | "OS_Byte" ; Wa|
00005de0 69 74 20 66 6f 72 20 56 73 79 6e 63 0d 1a 40 1c |it for Vsync..@.|
00005df0 4d 4f 56 20 52 30 2c 23 31 39 3a 53 57 49 20 22 |MOV R0,#19:SWI "|
00005e00 4f 53 5f 42 79 74 65 22 0d 1a 4a 1c 4d 4f 56 20 |OS_Byte"..J.MOV |
00005e10 52 30 2c 23 31 39 3a 53 57 49 20 22 4f 53 5f 42 |R0,#19:SWI "OS_B|
00005e20 79 74 65 22 0d 1a 54 1c 4d 4f 56 20 52 30 2c 23 |yte"..T.MOV R0,#|
00005e30 31 39 3a 53 57 49 20 22 4f 53 5f 42 79 74 65 22 |19:SWI "OS_Byte"|
00005e40 0d 1a 5e 2e 4d 4f 56 20 52 30 2c 23 31 39 3a 53 |..^.MOV R0,#19:S|
00005e50 57 49 20 22 4f 53 5f 42 79 74 65 22 20 20 3b 20 |WI "OS_Byte" ; |
00005e60 57 61 69 74 20 66 6f 72 20 56 73 79 6e 63 0d 1a |Wait for Vsync..|
00005e70 68 2e 4d 4f 56 20 52 30 2c 23 31 39 3a 53 57 49 |h.MOV R0,#19:SWI|
00005e80 20 22 4f 53 5f 42 79 74 65 22 20 20 3b 20 57 61 | "OS_Byte" ; Wa|
00005e90 69 74 20 66 6f 72 20 56 73 79 6e 63 0d 1a 72 2e |it for Vsync..r.|
00005ea0 4d 4f 56 20 52 30 2c 23 31 39 3a 53 57 49 20 22 |MOV R0,#19:SWI "|
00005eb0 4f 53 5f 42 79 74 65 22 20 20 3b 20 57 61 69 74 |OS_Byte" ; Wait|
00005ec0 20 66 6f 72 20 56 73 79 6e 63 0d 1a 7c 0e 4d 4f | for Vsync..|.MO|
00005ed0 56 20 50 43 2c 52 31 34 0d 1a 86 05 3a 0d 1a 90 |V PC,R14....:...|
00005ee0 0e 2e 63 6c 65 61 72 6b 65 79 73 0d 1a 9a 0e 4d |..clearkeys....M|
00005ef0 4f 56 20 52 30 2c 23 31 35 0d 1a a4 0d 4d 4f 56 |OV R0,#15....MOV|
00005f00 20 52 31 2c 23 31 0d 1a ae 11 53 57 49 20 22 4f | R1,#1....SWI "O|
00005f10 53 5f 42 79 74 65 22 0d 1a b8 0e 4d 4f 56 20 50 |S_Byte"....MOV P|
00005f20 43 2c 52 31 34 0d 1a c2 05 3a 0d 1a cc 11 2e 64 |C,R14....:.....d|
00005f30 69 64 6d 61 70 73 63 72 6f 6c 6c 0d 1a d6 09 45 |idmapscroll....E|
00005f40 51 55 44 30 0d 1a e0 0f 2e 73 63 72 6f 6c 6c 6c |QUD0.....scrolll|
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00005f70 30 2c 23 30 0d 1a fe 14 53 54 52 20 52 30 2c 64 |0,#0....STR R0,d|
00005f80 69 72 65 63 74 69 6f 6e 0d 1b 08 1f 4d 4f 56 52 |irection....MOVR|
00005f90 30 2c 23 31 3a 53 54 52 52 30 2c 64 69 64 6d 61 |0,#1:STRR0,didma|
00005fa0 70 73 63 72 6f 6c 6c 0d 1b 12 2d 4c 44 52 20 52 |pscroll...-LDR R|
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00006000 65 0d 1b 26 48 42 4c 20 63 68 65 63 6b 74 69 6c |e..&HBL checktil|
00006010 65 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |e |
00006020 20 20 20 20 20 20 3b 20 57 68 61 74 20 74 79 70 | ; What typ|
00006030 65 20 69 73 20 74 68 65 20 64 65 73 74 69 6e 61 |e is the destina|
00006040 74 69 6f 6e 20 74 69 6c 65 0d 1b 30 38 42 4c 20 |tion tile..08BL |
00006050 63 61 6e 6d 6f 76 65 20 20 20 20 20 20 20 20 20 |canmove |
00006060 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 | ; |
00006070 43 61 6e 20 68 65 20 77 61 6c 6b 20 6f 6e 20 69 |Can he walk on i|
00006080 74 0d 1b 3a 36 4c 44 52 20 52 30 2c 63 61 6e 68 |t..:6LDR R0,canh|
00006090 65 6d 6f 76 65 20 20 20 20 20 20 20 20 20 20 20 |emove |
000060a0 20 20 20 20 20 20 3b 20 42 65 74 74 65 72 20 66 | ; Better f|
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000060c0 30 2c 23 34 20 20 20 20 20 20 20 20 20 20 20 20 |0,#4 |
000060d0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 | ; Is|
000060e0 20 74 68 65 72 65 20 61 20 72 6f 63 6b 20 74 68 | there a rock th|
000060f0 65 72 65 0d 1b 4e 47 42 4c 45 51 20 63 68 65 63 |ere..NGBLEQ chec|
00006100 6b 72 6f 63 6b 6c 65 66 74 20 20 20 20 20 20 20 |krockleft |
00006110 20 20 20 20 20 20 20 20 3b 20 49 66 20 73 6f 2c | ; If so,|
00006120 20 66 69 6e 64 20 6f 75 74 20 69 66 20 69 74 20 | find out if it |
00006130 69 73 20 6d 6f 76 61 62 6c 65 0d 1b 58 3b 43 4d |is movable..X;CM|
00006140 50 20 52 30 2c 23 35 20 20 20 20 20 20 20 20 20 |P R0,#5 |
00006150 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00006160 20 49 73 20 74 68 65 72 65 20 65 61 72 74 68 20 | Is there earth |
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00006180 74 65 61 72 74 68 0d 1b 6c 0d 43 4d 50 20 52 30 |tearth..l.CMP R0|
00006190 2c 23 33 0d 1b 76 10 42 4c 45 51 20 67 65 74 67 |,#3..v.BLEQ getg|
000061a0 6f 6c 64 0d 1b 80 43 4c 44 52 20 52 30 2c 63 61 |old...CLDR R0,ca|
000061b0 6e 68 65 6d 6f 76 65 20 20 20 20 20 20 20 20 20 |nhemove |
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000061d0 6c 6f 61 64 20 52 30 20 77 69 74 68 20 63 61 6e |load R0 with can|
000061e0 68 65 6d 6f 76 65 0d 1b 8a 41 43 4d 50 20 52 30 |hemove...ACMP R0|
000061f0 2c 23 30 20 20 20 20 20 20 20 20 20 20 20 20 20 |,#0 |
00006200 20 20 20 20 20 20 20 20 20 20 20 3b 20 43 68 65 | ; Che|
00006210 63 6b 20 69 66 20 68 65 20 63 61 6e 20 77 61 6c |ck if he can wal|
00006220 6b 20 6f 6e 20 69 74 0d 1b 94 41 42 45 51 20 65 |k on it...ABEQ e|
00006230 6e 64 6d 6f 76 65 20 20 20 20 20 20 20 20 20 20 |ndmove |
00006240 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 61 6e | ; an|
00006250 64 20 69 66 20 68 65 20 63 61 6e 74 20 64 6f 6e |d if he cant don|
00006260 74 20 73 63 72 6f 6c 6c 0d 1b 9e 3b 43 4d 50 20 |t scroll...;CMP |
00006270 52 30 2c 23 32 20 20 20 20 20 20 20 20 20 20 20 |R0,#2 |
00006280 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 44 | ; D|
00006290 6f 65 73 20 74 68 65 20 74 69 6c 65 20 6b 69 6c |oes the tile kil|
000062a0 6c 20 3f 0d 1b a8 4b 42 45 51 20 65 6e 64 6d 6f |l ?...KBEQ endmo|
000062b0 76 65 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |ve |
000062c0 20 20 20 20 20 20 20 20 3b 20 49 66 20 79 65 73 | ; If yes|
000062d0 20 64 6f 6e 74 20 62 6f 74 68 65 72 20 73 63 72 | dont bother scr|
000062e0 6f 6c 6c 69 6e 67 20 6f 6e 74 6f 20 69 74 0d 1b |olling onto it..|
000062f0 b2 0d 4d 4f 56 20 52 30 2c 23 30 0d 1b bc 3d 53 |..MOV R0,#0...=S|
00006300 54 52 20 52 30 2c 73 63 72 6f 6c 6c 63 6f 75 6e |TR R0,scrollcoun|
00006310 74 65 72 20 20 20 20 20 20 3b 20 53 65 74 20 74 |ter ; Set t|
00006320 68 65 20 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 |he scrollcounter|
00006330 20 74 6f 20 7a 65 72 6f 0d 1b c6 11 42 4c 20 73 | to zero....BL s|
00006340 63 72 65 65 6e 62 61 6e 6b 0d 1b d0 0e 42 4c 20 |creenbank....BL |
00006350 70 6c 6f 74 6d 61 70 0d 1b da 0e 42 4c 20 70 6c |plotmap....BL pl|
00006360 6f 74 68 69 6d 0d 1b e4 10 2e 6c 65 66 74 73 63 |othim.....leftsc|
00006370 72 6c 6f 6f 70 0d 1b ee 14 4c 44 52 20 52 30 2c |rloop....LDR R0,|
00006380 73 74 61 72 74 78 70 6f 73 0d 1b f8 10 53 55 42 |startxpos....SUB|
00006390 20 52 30 2c 52 30 2c 23 34 0d 1c 02 14 53 54 52 | R0,R0,#4....STR|
000063a0 20 52 30 2c 73 74 61 72 74 78 70 6f 73 0d 1c 0c | R0,startxpos...|
000063b0 11 42 4c 20 73 63 72 65 65 6e 62 61 6e 6b 0d 1c |.BL screenbank..|
000063c0 16 2e 42 4c 20 70 6c 6f 74 6d 61 70 20 20 20 20 |..BL plotmap |
000063d0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 52 65 | ; Re|
000063e0 64 72 61 77 20 74 68 65 20 6d 61 70 0d 1c 20 33 |draw the map.. 3|
000063f0 42 4c 20 70 6c 6f 74 68 69 6d 20 20 20 20 20 20 |BL plothim |
00006400 20 20 20 20 20 20 20 20 20 20 3b 20 50 6c 6f 74 | ; Plot|
00006410 20 74 68 65 20 63 68 61 72 61 63 74 65 72 73 0d | the characters.|
00006420 1c 2a 3e 4c 44 52 20 52 30 2c 73 63 72 6f 6c 6c |.*>LDR R0,scroll|
00006430 63 6f 75 6e 74 65 72 20 20 20 20 20 20 3b 20 4c |counter ; L|
00006440 6f 61 64 20 74 68 65 20 73 63 72 6f 6c 6c 63 6f |oad the scrollco|
00006450 75 6e 74 65 72 20 69 6e 74 6f 20 52 30 0d 1c 34 |unter into R0..4|
00006460 3a 41 44 44 20 52 30 2c 52 30 2c 23 31 20 20 20 |:ADD R0,R0,#1 |
00006470 20 20 20 20 20 20 20 20 20 20 20 3b 20 41 64 64 | ; Add|
00006480 20 31 20 74 6f 20 74 68 65 20 73 63 72 6f 6c 6c | 1 to the scroll|
00006490 63 6f 75 6e 74 65 72 0d 1c 3e 45 53 54 52 20 52 |counter..>ESTR R|
000064a0 30 2c 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 |0,scrollcounter |
000064b0 20 20 20 20 20 3b 20 53 61 76 65 20 74 68 65 20 | ; Save the |
000064c0 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 62 61 |scrollcounter ba|
000064d0 63 6b 20 74 6f 20 6d 65 6d 6f 72 79 0d 1c 48 3f |ck to memory..H?|
000064e0 43 4d 50 20 52 30 2c 23 34 20 20 20 20 20 20 20 |CMP R0,#4 |
000064f0 20 20 20 20 20 20 20 20 20 20 3b 20 48 61 76 65 | ; Have|
00006500 20 34 20 73 63 72 6f 6c 6c 73 20 62 65 65 6e 20 | 4 scrolls been |
00006510 63 6f 6d 70 6c 65 74 65 64 20 3f 0d 1c 52 30 42 |completed ?..R0B|
00006520 4e 45 20 6c 65 66 74 73 63 72 6c 6f 6f 70 20 20 |NE leftscrloop |
00006530 20 20 20 20 20 20 20 20 20 3b 20 49 66 20 6e 6f | ; If no|
00006540 74 20 6c 6f 6f 70 20 62 61 63 6b 0d 1c 5c 12 4c |t loop back..\.L|
00006550 44 52 20 52 30 2c 78 6d 61 70 70 6f 73 0d 1c 66 |DR R0,xmappos..f|
00006560 10 41 44 44 20 52 30 2c 52 30 2c 23 31 0d 1c 70 |.ADD R0,R0,#1..p|
00006570 12 53 54 52 20 52 30 2c 78 6d 61 70 70 6f 73 0d |.STR R0,xmappos.|
00006580 1c 7a 14 4c 44 52 20 52 30 2c 73 74 61 72 74 78 |.z.LDR R0,startx|
00006590 70 6f 73 0d 1c 84 11 41 44 44 20 52 30 2c 52 30 |pos....ADD R0,R0|
000065a0 2c 23 31 36 0d 1c 8e 14 53 54 52 20 52 30 2c 73 |,#16....STR R0,s|
000065b0 74 61 72 74 78 70 6f 73 0d 1c 98 0f 42 4c 20 6e |tartxpos....BL n|
000065c0 65 77 66 72 61 6d 65 0d 1c a2 0c 2e 65 6e 64 6d |ewframe.....endm|
000065d0 6f 76 65 0d 1c ac 14 4c 44 52 20 52 31 34 2c 6d |ove....LDR R14,m|
000065e0 6f 76 65 6c 69 6e 6b 0d 1c b6 0e 4d 4f 56 20 50 |ovelink....MOV P|
000065f0 43 2c 52 31 34 0d 1c c0 05 3a 0d 1c ca 10 2e 73 |C,R14....:.....s|
00006600 63 72 6f 6c 6c 72 69 67 68 74 0d 1c d4 14 53 54 |crollright....ST|
00006610 52 20 52 31 34 2c 6d 6f 76 65 6c 69 6e 6b 0d 1c |R R14,movelink..|
00006620 de 0d 4d 4f 56 20 52 30 2c 23 32 0d 1c e8 14 53 |..MOV R0,#2....S|
00006630 54 52 20 52 30 2c 64 69 72 65 63 74 69 6f 6e 0d |TR R0,direction.|
00006640 1c f2 1f 4d 4f 56 52 30 2c 23 31 3a 53 54 52 52 |...MOVR0,#1:STRR|
00006650 30 2c 64 69 64 6d 61 70 73 63 72 6f 6c 6c 0d 1c |0,didmapscroll..|
00006660 fc 2d 4c 44 52 20 52 30 2c 78 6d 61 70 70 6f 73 |.-LDR R0,xmappos|
00006670 3a 41 44 44 20 52 30 2c 52 30 2c 23 32 3a 53 54 |:ADD R0,R0,#2:ST|
00006680 52 20 52 30 2c 78 73 74 6f 72 65 0d 1d 06 2d 4c |R R0,xstore...-L|
00006690 44 52 20 52 30 2c 79 6d 61 70 70 6f 73 3a 41 44 |DR R0,ymappos:AD|
000066a0 44 20 52 30 2c 52 30 2c 23 33 3a 53 54 52 20 52 |D R0,R0,#3:STR R|
000066b0 30 2c 79 73 74 6f 72 65 0d 1d 10 48 42 4c 20 63 |0,ystore...HBL c|
000066c0 68 65 63 6b 74 69 6c 65 20 20 20 20 20 20 20 20 |hecktile |
000066d0 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 57 | ; W|
000066e0 68 61 74 20 74 79 70 65 20 69 73 20 74 68 65 20 |hat type is the |
000066f0 64 65 73 74 69 6e 61 74 69 6f 6e 20 74 69 6c 65 |destination tile|
00006700 0d 1d 1a 38 42 4c 20 63 61 6e 6d 6f 76 65 20 20 |...8BL canmove |
00006710 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006720 20 20 20 20 20 3b 20 43 61 6e 20 68 65 20 77 61 | ; Can he wa|
00006730 6c 6b 20 6f 6e 20 69 74 0d 1d 24 36 4c 44 52 20 |lk on it..$6LDR |
00006740 52 30 2c 63 61 6e 68 65 6d 6f 76 65 20 20 20 20 |R0,canhemove |
00006750 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 42 | ; B|
00006760 65 74 74 65 72 20 66 69 6e 64 20 6f 75 74 0d 1d |etter find out..|
00006770 2e 3c 43 4d 50 20 52 30 2c 23 34 20 20 20 20 20 |.<CMP R0,#4 |
00006780 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006790 20 20 20 3b 20 49 73 20 74 68 65 72 65 20 61 20 | ; Is there a |
000067a0 72 6f 63 6b 20 74 68 65 72 65 0d 1d 38 47 42 4c |rock there..8GBL|
000067b0 45 51 20 63 68 65 63 6b 72 6f 63 6b 72 69 67 68 |EQ checkrockrigh|
000067c0 74 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b |t ;|
000067d0 20 49 66 20 73 6f 2c 20 66 69 6e 64 20 6f 75 74 | If so, find out|
000067e0 20 69 66 20 69 74 20 69 73 20 6d 6f 76 61 62 6c | if it is movabl|
000067f0 65 0d 1d 42 3b 43 4d 50 20 52 30 2c 23 35 20 20 |e..B;CMP R0,#5 |
00006800 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006810 20 20 20 20 20 20 3b 20 49 73 20 74 68 65 72 65 | ; Is there|
00006820 20 65 61 72 74 68 20 74 68 65 72 65 0d 1d 4c 11 | earth there..L.|
00006830 42 4c 45 51 20 67 65 74 65 61 72 74 68 0d 1d 56 |BLEQ getearth..V|
00006840 0d 43 4d 50 20 52 30 2c 23 33 0d 1d 60 10 42 4c |.CMP R0,#3..`.BL|
00006850 45 51 20 67 65 74 67 6f 6c 64 0d 1d 6a 43 4c 44 |EQ getgold..jCLD|
00006860 52 20 52 30 2c 63 61 6e 68 65 6d 6f 76 65 20 20 |R R0,canhemove |
00006870 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00006880 20 41 6e 64 20 72 65 6c 6f 61 64 20 52 30 20 77 | And reload R0 w|
00006890 69 74 68 20 63 61 6e 68 65 6d 6f 76 65 0d 1d 74 |ith canhemove..t|
000068a0 41 43 4d 50 20 52 30 2c 23 30 20 20 20 20 20 20 |ACMP R0,#0 |
000068b0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000068c0 20 20 3b 20 43 68 65 63 6b 20 69 66 20 68 65 20 | ; Check if he |
000068d0 63 61 6e 20 77 61 6c 6b 20 6f 6e 20 69 74 0d 1d |can walk on it..|
000068e0 7e 41 42 45 51 20 65 6e 64 6d 6f 76 65 20 20 20 |~ABEQ endmove |
000068f0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006900 20 20 20 3b 20 61 6e 64 20 69 66 20 68 65 20 63 | ; and if he c|
00006910 61 6e 74 20 64 6f 6e 74 20 73 63 72 6f 6c 6c 0d |ant dont scroll.|
00006920 1d 88 3b 43 4d 50 20 52 30 2c 23 32 20 20 20 20 |..;CMP R0,#2 |
00006930 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006940 20 20 20 20 3b 20 44 6f 65 73 20 74 68 65 20 74 | ; Does the t|
00006950 69 6c 65 20 6b 69 6c 6c 20 3f 0d 1d 92 4b 42 45 |ile kill ?...KBE|
00006960 51 20 65 6e 64 6d 6f 76 65 20 20 20 20 20 20 20 |Q endmove |
00006970 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 3b | ;|
00006980 20 49 66 20 79 65 73 20 64 6f 6e 74 20 62 6f 74 | If yes dont bot|
00006990 68 65 72 20 73 63 72 6f 6c 6c 69 6e 67 20 6f 6e |her scrolling on|
000069a0 74 6f 20 69 74 0d 1d 9c 0d 4d 4f 56 20 52 30 2c |to it....MOV R0,|
000069b0 23 30 0d 1d a6 3d 53 54 52 20 52 30 2c 73 63 72 |#0...=STR R0,scr|
000069c0 6f 6c 6c 63 6f 75 6e 74 65 72 20 20 20 20 20 20 |ollcounter |
000069d0 3b 20 53 65 74 20 74 68 65 20 73 63 72 6f 6c 6c |; Set the scroll|
000069e0 63 6f 75 6e 74 65 72 20 74 6f 20 7a 65 72 6f 0d |counter to zero.|
000069f0 1d b0 11 2e 72 69 67 68 74 73 63 72 6c 6f 6f 70 |....rightscrloop|
00006a00 0d 1d ba 14 4c 44 52 20 52 30 2c 73 74 61 72 74 |....LDR R0,start|
00006a10 78 70 6f 73 0d 1d c4 10 41 44 44 20 52 30 2c 52 |xpos....ADD R0,R|
00006a20 30 2c 23 34 0d 1d ce 14 53 54 52 20 52 30 2c 73 |0,#4....STR R0,s|
00006a30 74 61 72 74 78 70 6f 73 0d 1d d8 11 42 4c 20 73 |tartxpos....BL s|
00006a40 63 72 65 65 6e 62 61 6e 6b 0d 1d e2 2e 42 4c 20 |creenbank....BL |
00006a50 70 6c 6f 74 6d 61 70 20 20 20 20 20 20 20 20 20 |plotmap |
00006a60 20 20 20 20 20 20 20 3b 20 52 65 64 72 61 77 20 | ; Redraw |
00006a70 74 68 65 20 6d 61 70 0d 1d ec 0e 42 4c 20 70 6c |the map....BL pl|
00006a80 6f 74 68 69 6d 0d 1d f6 3e 4c 44 52 20 52 30 2c |othim...>LDR R0,|
00006a90 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 20 20 |scrollcounter |
00006aa0 20 20 20 3b 20 4c 6f 61 64 20 74 68 65 20 73 63 | ; Load the sc|
00006ab0 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 69 6e 74 6f |rollcounter into|
00006ac0 20 52 30 0d 1e 00 3a 41 44 44 20 52 30 2c 52 30 | R0...:ADD R0,R0|
00006ad0 2c 23 31 20 20 20 20 20 20 20 20 20 20 20 20 20 |,#1 |
00006ae0 20 3b 20 41 64 64 20 31 20 74 6f 20 74 68 65 20 | ; Add 1 to the |
00006af0 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 0d 1e 0a |scrollcounter...|
00006b00 45 53 54 52 20 52 30 2c 73 63 72 6f 6c 6c 63 6f |ESTR R0,scrollco|
00006b10 75 6e 74 65 72 20 20 20 20 20 20 3b 20 53 61 76 |unter ; Sav|
00006b20 65 20 74 68 65 20 73 63 72 6f 6c 6c 63 6f 75 6e |e the scrollcoun|
00006b30 74 65 72 20 62 61 63 6b 20 74 6f 20 6d 65 6d 6f |ter back to memo|
00006b40 72 79 0d 1e 14 3f 43 4d 50 20 52 30 2c 23 34 20 |ry...?CMP R0,#4 |
00006b50 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006b60 3b 20 48 61 76 65 20 34 20 73 63 72 6f 6c 6c 73 |; Have 4 scrolls|
00006b70 20 62 65 65 6e 20 63 6f 6d 70 6c 65 74 65 64 20 | been completed |
00006b80 3f 0d 1e 1e 30 42 4e 45 20 72 69 67 68 74 73 63 |?...0BNE rightsc|
00006b90 72 6c 6f 6f 70 20 20 20 20 20 20 20 20 20 20 3b |rloop ;|
00006ba0 20 49 66 20 6e 6f 74 20 6c 6f 6f 70 20 62 61 63 | If not loop bac|
00006bb0 6b 0d 1e 28 12 4c 44 52 20 52 30 2c 78 6d 61 70 |k..(.LDR R0,xmap|
00006bc0 70 6f 73 0d 1e 32 10 53 55 42 20 52 30 2c 52 30 |pos..2.SUB R0,R0|
00006bd0 2c 23 31 0d 1e 3c 12 53 54 52 20 52 30 2c 78 6d |,#1..<.STR R0,xm|
00006be0 61 70 70 6f 73 0d 1e 46 14 4c 44 52 20 52 30 2c |appos..F.LDR R0,|
00006bf0 73 74 61 72 74 78 70 6f 73 0d 1e 50 11 53 55 42 |startxpos..P.SUB|
00006c00 20 52 30 2c 52 30 2c 23 31 36 0d 1e 5a 14 53 54 | R0,R0,#16..Z.ST|
00006c10 52 20 52 30 2c 73 74 61 72 74 78 70 6f 73 0d 1e |R R0,startxpos..|
00006c20 64 0f 42 4c 20 6e 65 77 66 72 61 6d 65 0d 1e 6e |d.BL newframe..n|
00006c30 14 4c 44 52 20 52 31 34 2c 6d 6f 76 65 6c 69 6e |.LDR R14,movelin|
00006c40 6b 0d 1e 78 0e 4d 4f 56 20 50 43 2c 52 31 34 0d |k..x.MOV PC,R14.|
00006c50 1e 82 05 3a 0d 1e 8c 0d 2e 73 63 72 6f 6c 6c 75 |...:.....scrollu|
00006c60 70 0d 1e 96 14 53 54 52 20 52 31 34 2c 6d 6f 76 |p....STR R14,mov|
00006c70 65 6c 69 6e 6b 0d 1e a0 0d 4d 4f 56 20 52 30 2c |elink....MOV R0,|
00006c80 23 36 0d 1e aa 14 53 54 52 20 52 30 2c 64 69 72 |#6....STR R0,dir|
00006c90 65 63 74 69 6f 6e 0d 1e b4 1f 4d 4f 56 52 30 2c |ection....MOVR0,|
00006ca0 23 31 3a 53 54 52 52 30 2c 64 69 64 6d 61 70 73 |#1:STRR0,didmaps|
00006cb0 63 72 6f 6c 6c 0d 1e be 2d 4c 44 52 20 52 30 2c |croll...-LDR R0,|
00006cc0 78 6d 61 70 70 6f 73 3a 41 44 44 20 52 30 2c 52 |xmappos:ADD R0,R|
00006cd0 30 2c 23 33 3a 53 54 52 20 52 30 2c 78 73 74 6f |0,#3:STR R0,xsto|
00006ce0 72 65 0d 1e c8 2d 4c 44 52 20 52 30 2c 79 6d 61 |re...-LDR R0,yma|
00006cf0 70 70 6f 73 3a 41 44 44 20 52 30 2c 52 30 2c 23 |ppos:ADD R0,R0,#|
00006d00 34 3a 53 54 52 20 52 30 2c 79 73 74 6f 72 65 0d |4:STR R0,ystore.|
00006d10 1e d2 48 42 4c 20 63 68 65 63 6b 74 69 6c 65 20 |..HBL checktile |
00006d20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006d30 20 20 20 20 3b 20 57 68 61 74 20 74 79 70 65 20 | ; What type |
00006d40 69 73 20 74 68 65 20 64 65 73 74 69 6e 61 74 69 |is the destinati|
00006d50 6f 6e 20 74 69 6c 65 0d 1e dc 0e 42 4c 20 63 61 |on tile....BL ca|
00006d60 6e 6d 6f 76 65 0d 1e e6 14 4c 44 52 20 52 30 2c |nmove....LDR R0,|
00006d70 63 61 6e 68 65 6d 6f 76 65 0d 1e f0 0d 43 4d 50 |canhemove....CMP|
00006d80 20 52 30 2c 23 30 0d 1e fa 0f 42 45 51 20 65 6e | R0,#0....BEQ en|
00006d90 64 6d 6f 76 65 0d 1f 04 3b 43 4d 50 20 52 30 2c |dmove...;CMP R0,|
00006da0 23 32 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |#2 |
00006db0 20 20 20 20 20 20 20 20 20 20 3b 20 44 6f 65 73 | ; Does|
00006dc0 20 74 68 65 20 74 69 6c 65 20 6b 69 6c 6c 20 3f | the tile kill ?|
00006dd0 0d 1f 0e 4b 42 45 51 20 65 6e 64 6d 6f 76 65 20 |...KBEQ endmove |
00006de0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00006df0 20 20 20 20 20 3b 20 49 66 20 79 65 73 20 64 6f | ; If yes do|
00006e00 6e 74 20 62 6f 74 68 65 72 20 73 63 72 6f 6c 6c |nt bother scroll|
00006e10 69 6e 67 20 6f 6e 74 6f 20 69 74 0d 1f 18 0d 43 |ing onto it....C|
00006e20 4d 50 20 52 30 2c 23 34 0d 1f 22 0f 42 45 51 20 |MP R0,#4..".BEQ |
00006e30 65 6e 64 6d 6f 76 65 0d 1f 2c 3b 43 4d 50 20 52 |endmove..,;CMP R|
00006e40 30 2c 23 35 20 20 20 20 20 20 20 20 20 20 20 20 |0,#5 |
00006e50 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 | ; Is|
00006e60 20 74 68 65 72 65 20 65 61 72 74 68 20 74 68 65 | there earth the|
00006e70 72 65 0d 1f 36 11 42 4c 45 51 20 67 65 74 65 61 |re..6.BLEQ getea|
00006e80 72 74 68 0d 1f 40 0d 43 4d 50 20 52 30 2c 23 33 |rth..@.CMP R0,#3|
00006e90 0d 1f 4a 10 42 4c 45 51 20 67 65 74 67 6f 6c 64 |..J.BLEQ getgold|
00006ea0 0d 1f 54 0d 4d 4f 56 20 52 30 2c 23 30 0d 1f 5e |..T.MOV R0,#0..^|
00006eb0 3d 53 54 52 20 52 30 2c 73 63 72 6f 6c 6c 63 6f |=STR R0,scrollco|
00006ec0 75 6e 74 65 72 20 20 20 20 20 20 3b 20 53 65 74 |unter ; Set|
00006ed0 20 74 68 65 20 73 63 72 6f 6c 6c 63 6f 75 6e 74 | the scrollcount|
00006ee0 65 72 20 74 6f 20 7a 65 72 6f 0d 1f 68 0e 2e 75 |er to zero..h..u|
00006ef0 70 73 63 72 6c 6f 6f 70 0d 1f 72 14 4c 44 52 20 |pscrloop..r.LDR |
00006f00 52 30 2c 73 74 61 72 74 79 70 6f 73 0d 1f 7c 13 |R0,startypos..|.|
00006f10 53 55 42 20 52 30 2c 52 30 2c 23 31 32 38 30 0d |SUB R0,R0,#1280.|
00006f20 1f 86 14 53 54 52 20 52 30 2c 73 74 61 72 74 79 |...STR R0,starty|
00006f30 70 6f 73 0d 1f 90 11 42 4c 20 73 63 72 65 65 6e |pos....BL screen|
00006f40 62 61 6e 6b 0d 1f 9a 2e 42 4c 20 70 6c 6f 74 6d |bank....BL plotm|
00006f50 61 70 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |ap |
00006f60 20 20 3b 20 52 65 64 72 61 77 20 74 68 65 20 6d | ; Redraw the m|
00006f70 61 70 0d 1f a4 0e 42 4c 20 70 6c 6f 74 68 69 6d |ap....BL plothim|
00006f80 0d 1f ae 3e 4c 44 52 20 52 30 2c 73 63 72 6f 6c |...>LDR R0,scrol|
00006f90 6c 63 6f 75 6e 74 65 72 20 20 20 20 20 20 3b 20 |lcounter ; |
00006fa0 4c 6f 61 64 20 74 68 65 20 73 63 72 6f 6c 6c 63 |Load the scrollc|
00006fb0 6f 75 6e 74 65 72 20 69 6e 74 6f 20 52 30 0d 1f |ounter into R0..|
00006fc0 b8 3a 41 44 44 20 52 30 2c 52 30 2c 23 31 20 20 |.:ADD R0,R0,#1 |
00006fd0 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 41 64 | ; Ad|
00006fe0 64 20 31 20 74 6f 20 74 68 65 20 73 63 72 6f 6c |d 1 to the scrol|
00006ff0 6c 63 6f 75 6e 74 65 72 0d 1f c2 45 53 54 52 20 |lcounter...ESTR |
00007000 52 30 2c 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 |R0,scrollcounter|
00007010 20 20 20 20 20 20 3b 20 53 61 76 65 20 74 68 65 | ; Save the|
00007020 20 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 62 | scrollcounter b|
00007030 61 63 6b 20 74 6f 20 6d 65 6d 6f 72 79 0d 1f cc |ack to memory...|
00007040 3f 43 4d 50 20 52 30 2c 23 34 20 20 20 20 20 20 |?CMP R0,#4 |
00007050 20 20 20 20 20 20 20 20 20 20 20 3b 20 48 61 76 | ; Hav|
00007060 65 20 34 20 73 63 72 6f 6c 6c 73 20 62 65 65 6e |e 4 scrolls been|
00007070 20 63 6f 6d 70 6c 65 74 65 64 20 3f 0d 1f d6 30 | completed ?...0|
00007080 42 4e 45 20 75 70 73 63 72 6c 6f 6f 70 20 20 20 |BNE upscrloop |
00007090 20 20 20 20 20 20 20 20 20 20 3b 20 49 66 20 6e | ; If n|
000070a0 6f 74 20 6c 6f 6f 70 20 62 61 63 6b 0d 1f e0 12 |ot loop back....|
000070b0 4c 44 52 20 52 30 2c 79 6d 61 70 70 6f 73 0d 1f |LDR R0,ymappos..|
000070c0 ea 10 41 44 44 20 52 30 2c 52 30 2c 23 31 0d 1f |..ADD R0,R0,#1..|
000070d0 f4 12 53 54 52 20 52 30 2c 79 6d 61 70 70 6f 73 |..STR R0,ymappos|
000070e0 0d 1f fe 14 4c 44 52 20 52 30 2c 73 74 61 72 74 |....LDR R0,start|
000070f0 79 70 6f 73 0d 20 08 13 41 44 44 20 52 30 2c 52 |ypos. ..ADD R0,R|
00007100 30 2c 23 35 31 32 30 0d 20 12 14 53 54 52 20 52 |0,#5120. ..STR R|
00007110 30 2c 73 74 61 72 74 79 70 6f 73 0d 20 1c 0f 42 |0,startypos. ..B|
00007120 4c 20 6e 65 77 66 72 61 6d 65 0d 20 26 14 4c 44 |L newframe. &.LD|
00007130 52 20 52 31 34 2c 6d 6f 76 65 6c 69 6e 6b 0d 20 |R R14,movelink. |
00007140 30 0e 4d 4f 56 20 50 43 2c 52 31 34 0d 20 3a 05 |0.MOV PC,R14. :.|
00007150 3a 0d 20 44 0f 2e 73 63 72 6f 6c 6c 64 6f 77 6e |:. D..scrolldown|
00007160 0d 20 4e 14 53 54 52 20 52 31 34 2c 6d 6f 76 65 |. N.STR R14,move|
00007170 6c 69 6e 6b 0d 20 58 0d 4d 4f 56 20 52 30 2c 23 |link. X.MOV R0,#|
00007180 34 0d 20 62 14 53 54 52 20 52 30 2c 64 69 72 65 |4. b.STR R0,dire|
00007190 63 74 69 6f 6e 0d 20 6c 1f 4d 4f 56 52 30 2c 23 |ction. l.MOVR0,#|
000071a0 31 3a 53 54 52 52 30 2c 64 69 64 6d 61 70 73 63 |1:STRR0,didmapsc|
000071b0 72 6f 6c 6c 0d 20 76 2d 4c 44 52 20 52 30 2c 78 |roll. v-LDR R0,x|
000071c0 6d 61 70 70 6f 73 3a 41 44 44 20 52 30 2c 52 30 |mappos:ADD R0,R0|
000071d0 2c 23 33 3a 53 54 52 20 52 30 2c 78 73 74 6f 72 |,#3:STR R0,xstor|
000071e0 65 0d 20 80 2d 4c 44 52 20 52 30 2c 79 6d 61 70 |e. .-LDR R0,ymap|
000071f0 70 6f 73 3a 41 44 44 20 52 30 2c 52 30 2c 23 32 |pos:ADD R0,R0,#2|
00007200 3a 53 54 52 20 52 30 2c 79 73 74 6f 72 65 0d 20 |:STR R0,ystore. |
00007210 8a 48 42 4c 20 63 68 65 63 6b 74 69 6c 65 20 20 |.HBL checktile |
00007220 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00007230 20 20 20 3b 20 57 68 61 74 20 74 79 70 65 20 69 | ; What type i|
00007240 73 20 74 68 65 20 64 65 73 74 69 6e 61 74 69 6f |s the destinatio|
00007250 6e 20 74 69 6c 65 0d 20 94 0e 42 4c 20 63 61 6e |n tile. ..BL can|
00007260 6d 6f 76 65 0d 20 9e 14 4c 44 52 20 52 30 2c 63 |move. ..LDR R0,c|
00007270 61 6e 68 65 6d 6f 76 65 0d 20 a8 0d 43 4d 50 20 |anhemove. ..CMP |
00007280 52 30 2c 23 30 0d 20 b2 0f 42 45 51 20 65 6e 64 |R0,#0. ..BEQ end|
00007290 6d 6f 76 65 0d 20 bc 0d 43 4d 50 20 52 30 2c 23 |move. ..CMP R0,#|
000072a0 34 0d 20 c6 0f 42 45 51 20 65 6e 64 6d 6f 76 65 |4. ..BEQ endmove|
000072b0 0d 20 d0 3b 43 4d 50 20 52 30 2c 23 32 20 20 20 |. .;CMP R0,#2 |
000072c0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
000072d0 20 20 20 20 20 3b 20 44 6f 65 73 20 74 68 65 20 | ; Does the |
000072e0 74 69 6c 65 20 6b 69 6c 6c 20 3f 0d 20 da 4b 42 |tile kill ?. .KB|
000072f0 45 51 20 65 6e 64 6d 6f 76 65 20 20 20 20 20 20 |EQ endmove |
00007300 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
00007310 3b 20 49 66 20 79 65 73 20 64 6f 6e 74 20 62 6f |; If yes dont bo|
00007320 74 68 65 72 20 73 63 72 6f 6c 6c 69 6e 67 20 6f |ther scrolling o|
00007330 6e 74 6f 20 69 74 0d 20 e4 3b 43 4d 50 20 52 30 |nto it. .;CMP R0|
00007340 2c 23 35 20 20 20 20 20 20 20 20 20 20 20 20 20 |,#5 |
00007350 20 20 20 20 20 20 20 20 20 20 20 3b 20 49 73 20 | ; Is |
00007360 74 68 65 72 65 20 65 61 72 74 68 20 74 68 65 72 |there earth ther|
00007370 65 0d 20 ee 11 42 4c 45 51 20 67 65 74 65 61 72 |e. ..BLEQ getear|
00007380 74 68 0d 20 f8 0d 43 4d 50 20 52 30 2c 23 33 0d |th. ..CMP R0,#3.|
00007390 21 02 10 42 4c 45 51 20 67 65 74 67 6f 6c 64 0d |!..BLEQ getgold.|
000073a0 21 0c 0d 4d 4f 56 20 52 30 2c 23 30 0d 21 16 3d |!..MOV R0,#0.!.=|
000073b0 53 54 52 20 52 30 2c 73 63 72 6f 6c 6c 63 6f 75 |STR R0,scrollcou|
000073c0 6e 74 65 72 20 20 20 20 20 20 3b 20 53 65 74 20 |nter ; Set |
000073d0 74 68 65 20 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 |the scrollcounte|
000073e0 72 20 74 6f 20 7a 65 72 6f 0d 21 20 10 2e 64 6f |r to zero.! ..do|
000073f0 77 6e 73 63 72 6c 6f 6f 70 0d 21 2a 14 4c 44 52 |wnscrloop.!*.LDR|
00007400 20 52 30 2c 73 74 61 72 74 79 70 6f 73 0d 21 34 | R0,startypos.!4|
00007410 13 41 44 44 20 52 30 2c 52 30 2c 23 31 32 38 30 |.ADD R0,R0,#1280|
00007420 0d 21 3e 14 53 54 52 20 52 30 2c 73 74 61 72 74 |.!>.STR R0,start|
00007430 79 70 6f 73 0d 21 48 11 42 4c 20 73 63 72 65 65 |ypos.!H.BL scree|
00007440 6e 62 61 6e 6b 0d 21 52 2e 42 4c 20 70 6c 6f 74 |nbank.!R.BL plot|
00007450 6d 61 70 20 20 20 20 20 20 20 20 20 20 20 20 20 |map |
00007460 20 20 20 3b 20 52 65 64 72 61 77 20 74 68 65 20 | ; Redraw the |
00007470 6d 61 70 0d 21 5c 0e 42 4c 20 70 6c 6f 74 68 69 |map.!\.BL plothi|
00007480 6d 0d 21 66 3e 4c 44 52 20 52 30 2c 73 63 72 6f |m.!f>LDR R0,scro|
00007490 6c 6c 63 6f 75 6e 74 65 72 20 20 20 20 20 20 3b |llcounter ;|
000074a0 20 4c 6f 61 64 20 74 68 65 20 73 63 72 6f 6c 6c | Load the scroll|
000074b0 63 6f 75 6e 74 65 72 20 69 6e 74 6f 20 52 30 0d |counter into R0.|
000074c0 21 70 3a 41 44 44 20 52 30 2c 52 30 2c 23 31 20 |!p:ADD R0,R0,#1 |
000074d0 20 20 20 20 20 20 20 20 20 20 20 20 20 3b 20 41 | ; A|
000074e0 64 64 20 31 20 74 6f 20 74 68 65 20 73 63 72 6f |dd 1 to the scro|
000074f0 6c 6c 63 6f 75 6e 74 65 72 0d 21 7a 45 53 54 52 |llcounter.!zESTR|
00007500 20 52 30 2c 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 | R0,scrollcounte|
00007510 72 20 20 20 20 20 20 3b 20 53 61 76 65 20 74 68 |r ; Save th|
00007520 65 20 73 63 72 6f 6c 6c 63 6f 75 6e 74 65 72 20 |e scrollcounter |
00007530 62 61 63 6b 20 74 6f 20 6d 65 6d 6f 72 79 0d 21 |back to memory.!|
00007540 84 3f 43 4d 50 20 52 30 2c 23 34 20 20 20 20 20 |.?CMP R0,#4 |
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00007f90 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |0 |
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00008240 52 33 2c 52 37 20 20 20 20 20 20 20 20 20 20 20 |R3,R7 |
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000082c0 20 62 61 63 6b 0d 25 62 0f 2e 6a 75 6d 70 78 6c | back.%b..jumpxl|
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00008330 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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00008370 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | |
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