mirror of https://git.sr.ht/~rabbits/uxn
Added Game Of Life
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neauoire
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67adcd563b
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b99cc32ba6
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@ -1,57 +1,38 @@
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( game of life )
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( game of life
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Any live cell with fewer than two live neighbours dies, as if by underpopulation.
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Any live cell with two or three live neighbours lives on to the next generation.
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Any live cell with more than three live neighbours dies, as if by overpopulation.
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Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction. )
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%+ { ADD } %- { SUB } %* { MUL } %/ { DIV }
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%< { LTH } %> { GTH } %= { EQU } %! { NEQ }
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%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
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%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
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%TOS { #00 SWP }
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%INCR { #01 + } %DECR { #01 - }
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%TOS { #00 SWP } %TOB { SWP POP }
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%RTN { JMP2r }
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%MOD { DUP2 / * - }
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%SFL { #40 SFT SFT }
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%INCR { #01 + } %DECR { #01 - }
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%DEBUG { .Console/byte DEO #0a .Console/char DEO }
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%DEBUG2 { .Console/short DEO2 #0a .Console/char DEO }
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%WIDTH { #40 } %HEIGHT { #40 }
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%BANK1 { #8000 } %BANK2 { #a000 }
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%GET-SIZE { WIDTH TOS #0008 // HEIGHT TOS ** }
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(
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The maximum grid is 256x256,
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each byte is 8 horizontal cells,
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the memory is 32x256[8192 bytes long]
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The universe of the Game of Life is an infinite, two-dimensional orthogonal grid of square cells,
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each of which is in one of two possible states, live or dead,. Every cell interacts with its eight
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neighbours, which are the cells that are horizontally, vertically, or diagonally adjacent.
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At each step in time, the following transitions occur:
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Any live cell with fewer than two live neighbours dies, as if by underpopulation.
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Any live cell with two or three live neighbours lives on to the next generation.
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Any live cell with more than three live neighbours dies, as if by overpopulation.
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Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction.
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)
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%WIDTH { #40 } %HEIGHT { #40 }
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%BANK1 { #8000 }
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%BANK2 { #a000 }
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( devices )
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|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 ]
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|10 @Console [ &pad $8 &char $1 &byte $1 &short $2 &string $2 ]
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|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &color $1 ]
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|80 @Controller [ &vector $2 &button $1 &key $1 ]
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|90 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &chord $1 ]
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( variables )
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|0000
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@timer $2
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@timer $1
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@anchor [ &x $2 &y $2 ]
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@pointer [ &x $2 &y $2 ]
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( program )
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@ -64,6 +45,7 @@
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( vectors )
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;on-frame .Screen/vector DEO2
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;on-mouse .Mouse/vector DEO2
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( glider )
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#07 #03 ;set-cell JSR2
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@ -72,22 +54,22 @@
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#07 #05 ;set-cell JSR2
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#06 #05 ;set-cell JSR2
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.Screen/width DEI2 #0002 // WIDTH #02 / TOS SUB2 .anchor/x POK2
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.Screen/height DEI2 #0002 // HEIGHT #02 / TOS SUB2 .anchor/y POK2
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.Screen/width DEI2 #0002 // WIDTH TOS -- .anchor/x POK2
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.Screen/height DEI2 #0002 // HEIGHT TOS -- .anchor/y POK2
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BRK
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@on-frame ( -> )
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.timer PEK #01 ADD [ DUP ] .timer POK
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.timer PEK #01 + [ DUP ] .timer POK
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#08 MOD #00 ! #01 JNZ [ BRK ]
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#10 MOD #00 ! #01 JNZ [ BRK ]
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( clear buffer )
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BANK2 DUP2 GET-SIZE ++
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&clear-loop
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OVR2 #0000 SWP2 STA2
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( incr ) SWP2 #0002 ADD2 SWP2
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SWP2 #0002 ++ SWP2
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OVR2 OVR2 !! ,&clear-loop JNZ
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POP2 POP2
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@ -98,28 +80,68 @@ BRK
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©-loop
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OVR2 DUP2 LDA2
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SWP2 #2000 -- STA2
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( incr ) SWP2 #0002 ADD2 SWP2
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SWP2 #0002 ++ SWP2
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OVR2 OVR2 !! ,©-loop JNZ
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POP2 POP2
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( draw )
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;draw-grid JSR2
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BRK
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@on-mouse ( -> )
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( clear last cursor )
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#fff8 .Screen/addr DEO2
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.pointer/x PEK2 .Screen/x DEO2
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.pointer/y PEK2 .Screen/y DEO2
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#30 .Screen/color DEO
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( record pointer positions )
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.Mouse/x DEI2 .pointer/x POK2
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.Mouse/y DEI2 .pointer/y POK2
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( draw new cursor )
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;cursor .Screen/addr DEO2
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.pointer/x PEK2 .Screen/x DEO2
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.pointer/y PEK2 .Screen/y DEO2
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( colorize on state )
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#32 [ .Mouse/state DEI #00 ! ] + .Screen/color DEO
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.Mouse/state DEI #00 ! #01 JNZ [ BRK ]
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.Mouse/x DEI2 DUP2 .anchor/x PEK2 >> ROT ROT .anchor/x PEK2 WIDTH #02 * TOS ++ #0001 ++ << #0101 ==
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.Mouse/y DEI2 DUP2 .anchor/y PEK2 >> ROT ROT .anchor/y PEK2 HEIGHT #02 * TOS ++ << #0101 ==
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#0101 == ;on-touch JNZ2
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BRK
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@on-touch ( -> )
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.Mouse/x DEI2 .anchor/x PEK2 SUB2 #02 / TOB
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.Mouse/y DEI2 .anchor/y PEK2 SUB2 #02 / TOB
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;set-cell JSR2
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BRK
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@draw-grid ( -- )
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#00 HEIGHT
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&ver
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OVR TOS .anchor/y PEK2 ADD2 .Screen/y DEO2
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OVR TOS #0002 ** .anchor/y PEK2 ++ .Screen/y DEO2
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OVR STH
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#00 WIDTH
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&hor
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OVR TOS .anchor/x PEK2 ADD2 .Screen/x DEO2
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OVR TOS #0002 ** .anchor/x PEK2 ++ .Screen/x DEO2
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OVR DUPr STHr ,get-cell JSR #01 + .Screen/color DEO
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( incr ) SWP #01 + SWP
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SWP #01 + SWP
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DUP2 ! ,&hor JNZ
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POP2
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POPr
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( incr ) SWP #01 + SWP
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POP2 POPr
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SWP #01 + SWP
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DUP2 ! ,&ver JNZ
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POP2
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BRK
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RTN
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@get-index ( x y -- index* )
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@ -130,10 +152,10 @@ RTN
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@set-cell ( x y -- )
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DUP2 ,get-index JSR LDA STH
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DUP2 POP #08 MOD #01 SWP SFL
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STHr SWP ORA STH
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,get-index JSR STHr ROT ROT STA
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DUP2 ,get-index JSR STH2
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POP #08 MOD #01 SWP SFL
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DUP2r LDAr STHr SWP ORA
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STH2r STA
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RTN
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@ -172,11 +194,10 @@ RTN
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( neighbours ) DUP2r STH2r ,get-neighbours JSR
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( state ) STH2r ;get-cell JSR2
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,run-cell JSR
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( incr ) SWP #01 + SWP
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SWP #01 + SWP
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DUP2 ! ,&hor JNZ
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POP2
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POPr
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( incr ) SWP #01 + SWP
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POP2 POPr
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SWP #01 + SWP
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DUP2 ! ,&ver JNZ
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POP2
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@ -198,16 +219,16 @@ RTN
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@save-cell ( x y -- )
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,get-index-buffer JSR STH2
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( get index )
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HEIGHT MOD SWP WIDTH MOD SWP
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WIDTH #08 / TOS ROT TOS ** ROT #08 / TOS ++ [ BANK2 ++ ]
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( save in buffer )
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STH2
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DUP2 POP #08 MOD #01 SWP SFL
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DUP2r LDAr STHr SWP ORA
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STH2r STA
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RTN
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@get-index-buffer ( x y -- index* )
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HEIGHT MOD SWP WIDTH MOD SWP
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WIDTH #08 / TOS ROT TOS ** ROT #08 / TOS ++ [ BANK2 ++ ]
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RTN
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@cursor [
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80c0 e0f0 f8e0 1000 ]
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@ -1,5 +1,13 @@
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( a blank file )
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%+ { ADD } %- { SUB } %* { MUL } %/ { DIV }
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%< { LTH } %> { GTH } %= { EQU } %! { NEQ }
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%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
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%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
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%DEBUG { .Console/byte DEO #0a .Console/char DEO }
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%DEBUG2 { .Console/short DEO2 #0a .Console/char DEO }
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( devices )
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|00 @System [ &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 ]
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