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shipwren/C64/Game2A

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 » Personal collection » Acorn hard disk » misc » misc3
Filename: shipwren/C64/Game2A
Read OK:
File size: 1D4A bytes
Load address: 0000
Exec address: 0000
Duplicates

There are 3 duplicate copies of this file in the archive:

File contents
   10P%=2:O%=&5302
   20[OPT pass
   30.xch EQUB0:.ych EQUB0:.col EQUB0:.score EQUW0:.scrch EQUB0:.titstat EQUB0:.mdir EQUB0
   40.xset EQUB0:.yset EQUB0:.xscr EQUB0:.yscr EQUB0:.xpos EQUB0:.ypos EQUB0:.mfine EQUB0:.mtype EQUB0
   50.scrno EQUB0:.upvelo EQUB0:.xold EQUB0:.yold EQUB0:.fine EQUB0:.sound EQUB1:.clock EQUB0:.titcyc EQUB0:.invflag EQUB0
   60.face EQUB1:.phase EQUB0:.rghts EQUB0:.wiper EQUB0:.movstag EQUB0:.changed EQUB0:.power EQUB0:.powchange EQUB0:.objects EQUW0:.obch EQUB0:.getstat EQUB0
   70.lastat EQUB0:.lasad EQUW0:.lasdir EQUB0:.lastep EQUB0:.xf EQUB0:.yf EQUB0:.wirep EQUW0:.wirepb EQUW0:.xmont EQUB0:.ymont EQUB0:.mflag EQUB0:.monstat EQUB0:.wiperm EQUB0
   80.deaded EQUB0:.clearup EQUB0:.xmoo EQUB0:.ymoo EQUB0:.fnst EQUB0
   90.scrtxt EQUD0:.shoot EQUB0
  100.delyou LDXxmoo:LDYymoo:.mcd STXxset:STYyset
  110.dark LDY#5:CPYxscr:BNEreald:DEY:CPYyscr:BNEreald:LDA#&1A:CMPobjects:BEQreald:CMPobjects+1:BEQreald:LDA#0:STA&72:JMPblockon+6:.reald JMPblockon
  120]:IFP%>&70THENPRINT"Code Overflow to:";P%:END
  130P%=&1000:O%=&5800:[OPT pass
  140LDA#&FF:STAscrtxt+3:SEI:LDA#(irq MOD 256):STA&314:LDA#(irq DIV 256):STA&315:CLI
  150.prog JSRtitle:JSRblascr:JSRscroff
  160LDY#0:LDA#3:STA&70:LDA#&30:STA&71
  170.lines LDA(&70),Y:ORA#12:STA(&70),Y:LDA&70:CLC:ADC#8:STA&70:LDA&71:ADC#0:STA&71:CMP#&6C:BNElines
  180STApowchange:STAobch:STAscrch:LDY#255:STYpower:STYobjects:STYobjects+1:INY:STYscore:STYscore+1:.scobarlop LDAsbar,Y:CMP#&FF:BEQstext:JSRoswrch:INY:JMPscobarlop
  190.stext LDA#1:STAcol:LDA#2:STAxch:LDA#24:STAych:LDA#(scort MOD 256):STA&72:LDA#(scort DIV 256):STA&73:JSRstring:LDA#13:STAxch:INC&72:JSRstring:LDA#8:STAxch:LDA#28:STAych:INC&72:JSRstring
  200.game LDA#0:STAxscr:STAyscr:LDA#2:STAxpos:STAypos:LDX#&30:.clrpot STXclrpnt+2:STXclrplp+2:.clrplp LDA&30FE:AND#&7F:.clrpnt STA&30FE:INX:CPX#&80:BNEclrpot
  210.newscr JSRscreen:.oldscr JSRquitch:JSRsboard:LDA#0:STAmovstag:LDAfine:BEQmoveslop:STAchanged:LDAwiper:PHA:JSRmainclear:PLA:STAwiper:.moveslop LDAchanged:BEQnodyou:JSRdispyou:.nodyou JSRdispmon:JSRwait:INCmovstag
  220LDAmovstag:CMP#3:BNEmoveslop:LDAmfine:PHA:LDAfine:STAfnst:LDA#0:STAmovstag
  230STAchanged:STAfine:STAmfine:JSRdispyou:JSRdispmon:PLA:STAmfine:JSRwait:JSRmainclear
  240.finend JSRlaser:JSRdeadedch:JSRmonpro:JSRgetoput:LDAupvelo:BEQfallh:JSRjumpup:LDAxpos:STAxset:LDAypos:STAyset:JSRgetblock:CMP#10:BNEnofall:BEQwatt
  250.fallh LDAxpos:STAxset:LDAypos:STAyset:JSRgetblock:CMP#8:BEQwatt:CMP#10:BEQwatt:CMP#14:BEQladder:.laddown LDAypos:CMP#9:BEQdownscr:INCyset:JSRgetblock:JSRdoorch:BCSfalldown:AND#&30:BEQfalldown:BNEnofall
  260.downscr LDA#0:STAypos:INCyscr:JMPnewscr:.watt JMPzap:.ladder JMP ladderb
  270.falldown LDA#5:STAfine:INCypos:.nofall LDA#((oldscr-1) DIV 256):PHA:LDA#((oldscr-1) MOD 256):PHA
  280.moveyou LDA#2:JSRkeybyte:BCCnjump:JSRjump:.njump LDA#0:JSRkeybyte:BCSleft:.nleft LDA#1:JSRkeybyte:BCCnright:BCSright
  290.left LDA#0:STAface:STArghts:LDAxpos:BEQleftscr:SEC:SBC#1:STAxset:LDAypos:STAyset:JSRgetblock:JSRdoorch:BCSnoupl:AND#&30:CMP#&10:BEQnomove:CMP#&20:BEQnomove:CMP#&30:BNEnoupl:DECypos:DECxpos:LDA#3:STAfine:.nright RTS
  300.noupl DECxpos:LDA#1:STAfine:.nomove RTS:.right LDA#0:STArghts:LDA#1:STAface:LDAxpos:CMP#9:BEQrightscr:CLC:ADC#1:STAxset:LDAypos:STAyset:JSRgetblock:JSRdoorch:BCSnoupr:AND#&30:CMP#&10:BEQnomover:CMP#&20:BEQnomover:CMP#&30:BNEnoupr
  310DECypos:LDA#4:.nouprs INCxpos:STAfine:.nosnd RTS:.noupr LDA#2:JMPnouprs:.nomover LDA#1:STArghts:STAchanged:RTS:.leftscr LDA#9:STAxpos:DECxscr:.scrpass JMPscreen:.rightscr LDA#0:STAxpos:INCxscr:BNEscrpass
  320.jump LDAypos:CMP#9:BEQnosnd:CLC:ADC#1:STAyset:LDAxpos:STAxset:JSRgetblock:AND#&30:BEQnosnd:LDA#3:STAupvelo:LDAsound:BEQnosnd:LDA#7:LDX#(jumpn MOD 256):LDY#(jumpn DIV 256):JMPosword
  330.dispshr SEI:LDAwiper:BEQnowipe:LDY#0:.wiplop LDA(wirep),Y:STA(&78),Y:INY:CPY#32:BNEwiplop:LDA&78:CLC:ADC#&80:STA&78:LDA&79:ADC#2:STA&79:LDY#0:.wipeb LDA(wirepb),Y:STA(&78),Y:INY:CPY#32:BNEwipeb
  340.nowipe LDA#1:STAwiper:LDAxpos:ASL A:ASL A:ASL A:ASL A:ASL A:ASL A:STA&70:LDAxpos:LSR A:LSR A:CLC:ADC#&35:STA&71:LDAypos:CLC:ADC&71:STA&71:LDAypos:ASL A:ASL A:CLC:ADC&71:STA&71:LDY#0
  350STY&72:LDA#&1A:STA&73:LDXmovstag:LDAsequen,X:CLC:ADCfine:TAX:LDA&70:CLC:ADClowad,X:STA&70:LDA&71:ADChighad,X:STA&71:LDAmflag:BNEmonsadr:CPX#0:BEQnophase:LDAmovstag:CMP#2:BEQnophase:LDXphase:INX
  360.addph LDA&72:CLC:ADC#&80:STA&72:LDA&73:ADC#0:STA&73:DEX:BNEaddph:LDAphase:EOR#1:STAphase:JMPnophase:.monsadr LDAmonstat:EOR#1:STAmonstat:ASL A:ASL A:ASL A:ASL A:ASL A:CLC:ADC#&80:STA&72:LDA#&1B:STA&73:LDA#1:STAwiperm
  370LDAmtype:CMP#2:BNEnotyptr:LDA&72:CLC:ADC#&80:STA&72:LDA&73:ADC#0:STA&73:.notyptr JMPleface
  380.nophase LDArghts:BEQnotrght:LDA&70:CLC:ADC#32:STA&70:LDA&71:ADC#0:STA&71:.notrght LDAface:BNEleface:LDA&72:CLC:ADC#&20:STA&72:.leface LDA&70:STA&78:LDA&71:STA&79
  390.ladisp LDA(&70),Y:STA(wirep),Y:ORA(&72),Y:STA(&70),Y:INY:CPY#32:BNEladisp:LDA&72:CLC:ADC#&40:STA&72:LDA&73:ADC#0:STA&73:LDA&70:CLC:ADC#&80:STA&70:LDA&71:ADC#2:STA&71:LDY#0
  400.lbdisp LDA(&70),Y:STA(wirepb),Y:ORA(&72),Y:STA(&70),Y:INY:CPY#32:BNElbdisp:CLI:RTS
  410.wait LDAclock:CMP&80:BNEwait:LDAclock:ADC#5:STA&80:RTS
  420.jumpup DECupvelo:LDAypos:BEQupscr:SEC:SBC#1:STAyset:LDAxpos:STAxset:JSRgetblock:JSRdoorch:BCSupone:AND#&30:BEQupone:LDA#0:STAupvelo:RTS:.upone LDA#6:STAfine:DECypos:RTS:.upscr DECyscr:LDA#9:STAypos:JMPscreen
  430.screen LDA#0:STAclearup:STAlastat:STAinvflag:JSRscroff:LDAxpos:STAxold:LDAypos:STAyold:JSRpoint:LDA#&FF:STAyset:.ylop LDA#&FF:STAxset:INCyset
  440.xlop INCxset:JSRdark:LDAxset:CMP#9:BEQnexty:JMPxlop:.nexty LDAyset:CMP#9:BNEylop:JSRsboard:JSRnamscr
  450.scron LDA&D011:ORA#&10:STA&D011:LDAclock:CLC:ADC#4:STA&80:LDA#0:STAwiper:STAwiperm:LDA#1:STAchanged:JMPmonset
  460.ladderb LDA#3:JSRkeybyte:BCSfallset:LDA#2:JSRkeybyte:BCCstable:LDA#1:STAupvelo:JSRjumpup:JMPoldscr:.stable JMPnofall:.fallset JMPladdown
  470.blockon JSRobjcheck:JSRgetblock:LDAxset:ASL A:ASL A:ASL A:ASL A:ASL A:ASL A:STA&70:LDAxset:LSR A:LSR A:CLC:ADC#&35:STA&71:LDAyset:CLC:ADC&71:STA&71:LDAyset:ASL A:ASL A:CLC:ADC&71:STA&71
  480LDA&72:LSR A:LSR A:CLC:ADC#&20:STA&73:LDA&72:CMP#30:BEQdoorcol:LSR A:ROR A:ROR A:AND#&C0:STA&72:LDY#0
  490.transtop LDA(&70),Y:AND#&C0:CLC:ADC(&72),Y:STA(&70),Y:INY:CPY#&40:BNEtranstop:LDY#0:LDA&72:CLC:ADC#&40:STA&72:LDA&70:CLC:ADC#&80:STA&70:LDA&71:ADC#2:STA&71
  500.transbot LDA(&70),Y:AND#&C0:CLC:ADC(&72),Y:STA(&70),Y:INY:CPY#&40:BNEtransbot:RTS:.doorcol JMPlocktype
  510.getblock LDA#&30:CLC:ADCxscr:STA&71:LDAyscr:ASL A:ASL A:ASL A:ASL A:CLC:ADC&71:STAscrno
  520STA&71:LDAyset:STA&70:ASL A:ASL A:ASL A:PHA:CLC:ADC&70:STA&70:PLA:ASL A:CLC:ADC&70:STA&70:LDYxset:LDAxdata,Y:TAY:LDA(&70),Y:ROL A:ROL A:ROL A:AND#3:STA&72:INY:LDA(&70),Y:LSR A:LSR A:LSR A:LSR A:AND#12
  530CLC:ADC&72:STA&72:LDAxset:LSR A:TAY:LDAhbdat,Y:TAY:LDA(&70),Y:STA&73:LDAxset:AND#1:BNEbit2:LDA&73:ASL A:ROL A:ROL A:JMPfbgot
  540.bit2 LDA&73:ASL A:ROL A:.fbgot AND#1:ASL A:ASL A:ASL A:ASL A:CLC:ADC&72:ASL A:STA&72:RTS
  550.blascr JSRscroff:LDY#0:STY&70:LDA#&30:STA&71:.blanlop LDA(&70),Y:AND#&C0:STA(&70),Y:INY:BNEblanlop:INC&71:LDA&71:CMP#&80:BNEblanlop:JMPscron
  560.putch ASL A:ASL A:ASL A:TAX:LDA#0:STA&70:LDA#&30:STA&71:LDYxch
  570.xlopc BEQnoxch:LDA&70:CLC:ADC#&20:STA&70:LDA&71:ADC#0:STA&71:DEY:JMPxlopc
  580.noxch LDYych:.ylopc BEQnoych:LDA&70:CLC:ADC#&80:STA&70:LDA&71:ADC#2:STA&71:DEY:JMPylopc
  590.noych LDY#0:.sline LDA&C00,X:.linelop PHA:ASL A:ROL A:ROL A:AND#3:BEQblanch:STA&80:LDA#0:.colch CLC:ADCcol:DEC&80:BNEcolch:.blanch STA&80:LDA(&70),Y:AND#&C0:ORA&80:EORinvflag:STA(&70),Y:TYA:CLC:ADC#8:TAY:CMP#&20:BCSnewlin
  600PLA:ASL A:ASL A:JMPlinelop:.newlin AND#7:TAY:PLA:INY:INX:CPY#8:BNEsline:RTS
  610]:ENDPROC

P%=2:O%=&5302

[OPT pass
Y.xch EQUB0:.ych EQUB0:.col EQUB0:.score EQUW0:.scrch EQUB0:.titstat EQUB0:.mdir EQUB0
(e.xset EQUB0:.yset EQUB0:.xscr EQUB0:.yscr EQUB0:.xpos EQUB0:.ypos EQUB0:.mfine EQUB0:.mtype EQUB0
2y.scrno EQUB0:.upvelo EQUB0:.xold EQUB0:.yold EQUB0:.fine EQUB0:.sound EQUB1:.clock EQUB0:.titcyc EQUB0:.invflag EQUB0
<�.face EQUB1:.phase EQUB0:.rghts EQUB0:.wiper EQUB0:.movstag EQUB0:.changed EQUB0:.power EQUB0:.powchange EQUB0:.objects EQUW0:.obch EQUB0:.getstat EQUB0
F�.lastat EQUB0:.lasad EQUW0:.lasdir EQUB0:.lastep EQUB0:.xf EQUB0:.yf EQUB0:.wirep EQUW0:.wirepb EQUW0:.xmont EQUB0:.ymont EQUB0:.mflag EQUB0:.monstat EQUB0:.wiperm EQUB0
PD.deaded EQUB0:.clearup EQUB0:.xmoo EQUB0:.ymoo EQUB0:.fnst EQUB0
Z.scrtxt EQUD0:.shoot EQUB0
d0.delyou LDXxmoo:LDYymoo:.mcd STXxset:STYyset
n�.dark LDY#5:CPYxscr:BNEreald:DEY:CPYyscr:BNEreald:LDA#&1A:CMPobjects:BEQreald:CMPobjects+1:BEQreald:LDA#0:STA&72:JMPblockon+6:.reald JMPblockon
x']:�P%>&70��"Code Overflow to:";P%:�
�P%=&1000:O%=&5800:[OPT pass
�OLDA#&FF:STAscrtxt+3:SEI:LDA#(irq � 256):STA&314:LDA#(irq � 256):STA&315:CLI
�&.prog JSRtitle:JSRblascr:JSRscroff
�%LDY#0:LDA#3:STA&70:LDA#&30:STA&71
�c.lines LDA(&70),Y:�A#12:STA(&70),Y:LDA&70:CLC:ADC#8:STA&70:LDA&71:ADC#0:STA&71:CMP#&6C:BNElines
��STApowchange:STAobch:STAscrch:LDY#255:STYpower:STYobjects:STYobjects+1:INY:STYscore:STYscore+1:.scobarlop LDAsbar,Y:CMP#&FF:BEQstext:JSRoswrch:INY:JMPscobarlop
��.stext LDA#1:STAcol:LDA#2:STAxch:LDA#24:STAych:LDA#(scort � 256):STA&72:LDA#(scort � 256):STA&73:JSRstring:LDA#13:STAxch:INC&72:JSRstring:LDA#8:STAxch:LDA#28:STAych:INC&72:JSRstring
ț.game LDA#0:STAxscr:STAyscr:LDA#2:STAxpos:STAypos:LDX#&30:.clrpot STXclrpnt+2:STXclrplp+2:.clrplp LDA&30FE:�#&7F:.clrpnt STA&30FE:INX:CPX#&80:BNEclrpot
��.newscr JSRscreen:.oldscr JSRquitch:JSRsboard:LDA#0:STAmovstag:LDAfine:BEQmoveslop:STAchanged:LDAwiper:PHA:JSRmainclear:PLA:STAwiper:.moveslop LDAchanged:BEQnodyou:JSRdispyou:.nodyou JSRdispmon:JSRwait:INCmovstag
�NLDAmovstag:CMP#3:BNEmoveslop:LDAmfine:PHA:LDAfine:STAfnst:LDA#0:STAmovstag
�WSTAchanged:STAfine:STAmfine:JSRdispyou:JSRdispmon:PLA:STAmfine:JSRwait:JSRmainclear
�.finend JSRlaser:JSRdeadedch:JSRmonpro:JSRgetoput:LDAupvelo:BEQfallh:JSRjumpup:LDAxpos:STAxset:LDAypos:STAyset:JSRgetblock:CMP#10:BNEnofall:BEQwatt
��.fallh LDAxpos:STAxset:LDAypos:STAyset:JSRgetblock:CMP#8:BEQwatt:CMP#10:BEQwatt:CMP#14:BEQladder:.laddown LDAypos:CMP#9:BEQdownscr:INCyset:JSRgetblock:JSRdoorch:BCSfalldown:�#&30:BEQfalldown:BNEnofall
M.downscr LDA#0:STAypos:INCyscr:JMPnewscr:.watt JMPzap:.ladder JMP ladderb
a.falldown LDA#5:STAfine:INCypos:.nofall LDA#((oldscr-1) � 256):PHA:LDA#((oldscr-1) � 256):PHA
y.moveyou LDA#2:JSRkeybyte:BCCnjump:JSRjump:.njump LDA#0:JSRkeybyte:BCSleft:.nleft LDA#1:JSRkeybyte:BCCnright:BCSright
"�.left LDA#0:STAface:STArghts:LDAxpos:BEQleftscr:SEC:SBC#1:STAxset:LDAypos:STAyset:JSRgetblock:JSRdoorch:BCSnoupl:�#&30:CMP#&10:BEQnomove:CMP#&20:BEQnomove:CMP#&30:BNEnoupl:DECypos:DECxpos:LDA#3:STAfine:.nright RTS
,�.noupl DECxpos:LDA#1:STAfine:.nomove RTS:.right LDA#0:STArghts:LDA#1:STAface:LDAxpos:CMP#9:BEQrightscr:CLC:ADC#1:STAxset:LDAypos:STAyset:JSRgetblock:JSRdoorch:BCSnoupr:�#&30:CMP#&10:BEQnomover:CMP#&20:BEQnomover:CMP#&30:BNEnoupr
6�DECypos:LDA#4:.nouprs INCxpos:STAfine:.nosnd RTS:.noupr LDA#2:JMPnouprs:.nomover LDA#1:STArghts:STAchanged:RTS:.leftscr LDA#9:STAxpos:DECxscr:.scrpass JMPscreen:.rightscr LDA#0:STAxpos:INCxscr:BNEscrpass
@�.jump LDAypos:CMP#9:BEQnosnd:CLC:ADC#1:STAyset:LDAxpos:STAxset:JSRgetblock:�#&30:BEQnosnd:LDA#3:STAupvelo:LDAsound:BEQnosnd:LDA#7:LDX#(jumpn � 256):LDY#(jumpn � 256):JMPosword
J�.dispshr SEI:LDAwiper:BEQnowipe:LDY#0:.wiplop LDA(wirep),Y:STA(&78),Y:INY:CPY#32:BNEwiplop:LDA&78:CLC:ADC#&80:STA&78:LDA&79:ADC#2:STA&79:LDY#0:.wipeb LDA(wirepb),Y:STA(&78),Y:INY:CPY#32:BNEwipeb
T�.nowipe LDA#1:STAwiper:LDAxpos:ASL A:ASL A:ASL A:ASL A:ASL A:ASL A:STA&70:LDAxpos:LSR A:LSR A:CLC:ADC#&35:STA&71:LDAypos:CLC:ADC&71:STA&71:LDAypos:ASL A:ASL A:CLC:ADC&71:STA&71:LDY#0
^�STY&72:LDA#&1A:STA&73:LDXmovstag:LDAsequen,X:CLC:ADCfine:TAX:LDA&70:CLC:ADClowad,X:STA&70:LDA&71:ADChighad,X:STA&71:LDAmflag:BNEmonsadr:CPX#0:BEQnophase:LDAmovstag:CMP#2:BEQnophase:LDXphase:INX
h�.addph LDA&72:CLC:ADC#&80:STA&72:LDA&73:ADC#0:STA&73:DEX:BNEaddph:LDAphase:�#1:STAphase:JMPnophase:.monsadr LDAmonstat:�#1:STAmonstat:ASL A:ASL A:ASL A:ASL A:ASL A:CLC:ADC#&80:STA&72:LDA#&1B:STA&73:LDA#1:STAwiperm
r^LDAmtype:CMP#2:BNEnotyptr:LDA&72:CLC:ADC#&80:STA&72:LDA&73:ADC#0:STA&73:.notyptr JMPleface
|�.nophase LDArghts:BEQnotrght:LDA&70:CLC:ADC#32:STA&70:LDA&71:ADC#0:STA&71:.notrght LDAface:BNEleface:LDA&72:CLC:ADC#&20:STA&72:.leface LDA&70:STA&78:LDA&71:STA&79
��.ladisp LDA(&70),Y:STA(wirep),Y:�A(&72),Y:STA(&70),Y:INY:CPY#32:BNEladisp:LDA&72:CLC:ADC#&40:STA&72:LDA&73:ADC#0:STA&73:LDA&70:CLC:ADC#&80:STA&70:LDA&71:ADC#2:STA&71:LDY#0
�V.lbdisp LDA(&70),Y:STA(wirepb),Y:�A(&72),Y:STA(&70),Y:INY:CPY#32:BNElbdisp:CLI:RTS
�;.wait LDAclock:CMP&80:BNEwait:LDAclock:ADC#5:STA&80:RTS
��.jumpup DECupvelo:LDAypos:BEQupscr:SEC:SBC#1:STAyset:LDAxpos:STAxset:JSRgetblock:JSRdoorch:BCSupone:�#&30:BEQupone:LDA#0:STAupvelo:RTS:.upone LDA#6:STAfine:DECypos:RTS:.upscr DECyscr:LDA#9:STAypos:JMPscreen
��.screen LDA#0:STAclearup:STAlastat:STAinvflag:JSRscroff:LDAxpos:STAxold:LDAypos:STAyold:JSRpoint:LDA#&FF:STAyset:.ylop LDA#&FF:STAxset:INCyset
�i.xlop INCxset:JSRdark:LDAxset:CMP#9:BEQnexty:JMPxlop:.nexty LDAyset:CMP#9:BNEylop:JSRsboard:JSRnamscr
�q.scron LDA&D011:�A#&10:STA&D011:LDAclock:CLC:ADC#4:STA&80:LDA#0:STAwiper:STAwiperm:LDA#1:STAchanged:JMPmonset
̍.ladderb LDA#3:JSRkeybyte:BCSfallset:LDA#2:JSRkeybyte:BCCstable:LDA#1:STAupvelo:JSRjumpup:JMPoldscr:.stable JMPnofall:.fallset JMPladdown
־.blockon JSRobjcheck:JSRgetblock:LDAxset:ASL A:ASL A:ASL A:ASL A:ASL A:ASL A:STA&70:LDAxset:LSR A:LSR A:CLC:ADC#&35:STA&71:LDAyset:CLC:ADC&71:STA&71:LDAyset:ASL A:ASL A:CLC:ADC&71:STA&71
�gLDA&72:LSR A:LSR A:CLC:ADC#&20:STA&73:LDA&72:CMP#30:BEQdoorcol:LSR A:ROR A:ROR A:�#&C0:STA&72:LDY#0
�.transtop LDA(&70),Y:�#&C0:CLC:ADC(&72),Y:STA(&70),Y:INY:CPY#&40:BNEtranstop:LDY#0:LDA&72:CLC:ADC#&40:STA&72:LDA&70:CLC:ADC#&80:STA&70:LDA&71:ADC#2:STA&71
�i.transbot LDA(&70),Y:�#&C0:CLC:ADC(&72),Y:STA(&70),Y:INY:CPY#&40:BNEtransbot:RTS:.doorcol JMPlocktype
�\.getblock LDA#&30:CLC:ADCxscr:STA&71:LDAyscr:ASL A:ASL A:ASL A:ASL A:CLC:ADC&71:STAscrno
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