Browse code
Add a version of life.tal with an infinite loop.
Andrew Alderwick authored on 27/03/2022 12:57:52
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+( Copy of demos/life.tal, but with in infinite loop in the Screen vector ) |
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+ |
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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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+ |
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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 &vector $2 &read $1 &pad $5 &write $1 &error $1 |
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+|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 |
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+|30 @Audio0 &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $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 &wheel $1 |
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+ |
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+|0000 |
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+ |
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+@world &frame $1 &count $2 |
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+@anchor &x $2 &y $2 &x2 $2 &y2 $2 |
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+@pointer &x $2 &y $2 |
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+ |
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+|0100 ( -> ) |
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+ |
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+ ( theme ) |
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+ #02cf .System/r DEO2 |
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+ #02ff .System/g DEO2 |
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+ #024f .System/b DEO2 |
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+ ( resize ) |
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+ #00c0 .Screen/width DEO2 |
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+ #00c0 .Screen/height DEO2 |
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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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+ ;on-control .Controller/vector DEO2 |
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+ ( glider ) |
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+ #07 #03 ;set-cell JSR2 |
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+ #07 #04 ;set-cell JSR2 |
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+ #05 #04 ;set-cell JSR2 |
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+ #07 #05 ;set-cell JSR2 |
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+ #06 #05 ;set-cell JSR2 |
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+ ( center ) |
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+ .Screen/width DEI2 #01 SFT2 #0040 SUB2 |
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+ DUP2 .anchor/x STZ2 |
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+ #007e ADD2 .anchor/x2 STZ2 |
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+ .Screen/height DEI2 #01 SFT2 #0040 SUB2 |
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+ DUP2 .anchor/y STZ2 |
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+ #007e ADD2 .anchor/y2 STZ2 |
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+ |
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+BRK |
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+ |
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+@on-frame ( -> ) |
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+ ( Because an interrupted infinite loop will (almost certainly) leave |
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+ items on the stacks, clear both stacks here. ) |
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+ #00 .System/wst DEO |
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+ #00 .System/rst DEO |
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+ |
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+ .Mouse/state DEI #00 EQU #01 JCN [ BRK ] |
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+ #0000 .world/count STZ2 |
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+ .world/frame LDZ INC |
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+ DUP .world/frame STZ |
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+ #03 AND #00 EQU #01 JCN [ BRK ] |
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+ &infinite-loop |
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+ ;run JSR2 |
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+ ,&infinite-loop JMP |
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+ &paused |
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+ |
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+BRK |
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+ |
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+@on-mouse ( -> ) |
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+ |
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+ ( clear last cursor ) |
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+ ;cursor .Screen/addr DEO2 |
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+ .pointer/x LDZ2 .Screen/x DEO2 |
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+ .pointer/y LDZ2 .Screen/y DEO2 |
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+ #40 .Screen/sprite DEO |
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+ ( record pointer positions ) |
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+ .Mouse/x DEI2 DUP2 .pointer/x STZ2 .Screen/x DEO2 |
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+ .Mouse/y DEI2 DUP2 .pointer/y STZ2 .Screen/y DEO2 |
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+ ( colorize on state ) |
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+ #42 [ .Mouse/state DEI #00 NEQ ] ADD .Screen/sprite DEO |
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+ ( on touch in rect ) |
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+ .Mouse/state DEI #00 NEQ #01 JCN [ BRK ] |
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+ .Mouse/x DEI2 .Mouse/y DEI2 .anchor ;within-rect JSR2 JMP [ BRK ] |
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+ ( paint ) |
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+ .Mouse/x DEI2 .anchor/x LDZ2 SUB2 #01 SFT NIP |
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+ .Mouse/y DEI2 .anchor/y LDZ2 SUB2 #01 SFT NIP |
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+ ;set-cell JSR2 |
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+ ( draw ) |
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+ ;draw-grid JSR2 |
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+ |
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+BRK |
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+ |
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+@on-control ( -> ) |
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+ |
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+ ( toggle play ) |
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+ .Controller/key DEI #20 NEQ ,&no-toggle JCN |
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+ ;on-frame |
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+ .Screen/vector DEI2 ;on-frame/paused EQU2 ,&swap JCN |
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+ POP2 ;on-frame/paused |
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+ &swap |
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+ .Screen/vector DEO2 |
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+ &no-toggle |
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+ ( clear on home ) |
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+ .Controller/button DEI #08 NEQ ,&no-reset JCN |
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+ ;bank1 #0400 ;mclr JSR2 |
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+ &no-reset |
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+ |
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+BRK |
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+ |
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+@run ( -- ) |
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+ |
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+ ( clear buffer ) |
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+ ;bank2 #1000 ;mclr JSR2 |
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+ ( run grid ) |
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+ #4000 |
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+ &ver |
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+ STHk |
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+ #4000 |
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+ &hor |
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+ DUP STHkr ,run-cell JSR |
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+ INC GTHk ,&hor JCN |
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+ POP2 |
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+ POPr |
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+ INC GTHk ,&ver JCN |
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+ POP2 |
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+ ( move buffer ) |
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+ ;bank2 ;bank1 #1000 ;mcpy JSR2 |
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+ ( draw ) |
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+ ;draw-grid JSR2 |
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+ |
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+JMP2r |
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+ |
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+@run-cell ( x y -- ) |
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+ |
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+ ( x y ) DUP2 |
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+ ( neighbours ) DUP2 ;get-neighbours JSR2 |
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+ ( state ) ROT ROT ;get-cell JSR2 |
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+ #00 EQU ,&dead JCN |
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+ DUP #02 LTH ,&dies JCN |
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+ DUP #03 GTH ,&dies JCN |
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+ POP ,&save JSR JMP2r |
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+ &dies POP POP2 JMP2r |
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+ &dead |
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+ DUP #03 EQU ,&birth JCN POP POP2 JMP2r |
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+ &birth POP ,&save JSR JMP2r |
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+ |
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+JMP2r |
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+ &save ( x y -- ) |
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+ STH2 #01 STH2r ,get-index JSR [ #1000 ADD2 ] STA |
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+ .world/count LDZ2 INC2 .world/count STZ2 |
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+ JMP2r |
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+ |
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+@get-index ( x y -- index* ) |
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+ |
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+ ( y ) #3f AND #00 SWP #60 SFT2 |
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+ ( x ) ROT #3f AND #00 SWP ADD2 |
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+ ;bank1 ADD2 |
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+ |
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+JMP2r |
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+ |
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+@set-cell ( x y -- ) |
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+ |
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+ STH2 #01 STH2r ,get-index JSR STA |
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+ |
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+JMP2r |
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+ |
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+@get-cell ( x y -- cell ) |
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+ |
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+ ,get-index JSR LDA |
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+ |
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+JMP2r |
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+ |
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+@get-neighbours ( x y -- neighbours ) |
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+ |
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+ ,&origin STR2 |
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+ LITr 00 |
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+ #0800 |
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+ &loop |
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+ #00 OVR #10 SFT2 ;&mask ADD2 LDA2 [ LIT2 &origin $2 ] |
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+ ROT ADD STH ADD STHr ;get-cell JSR2 STH ADDr |
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+ INC GTHk ,&loop JCN |
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+ POP2 |
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+ STHr |
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+ |
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+JMP2r |
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+ &mask ffff 00ff 01ff ff00 0100 ff01 0001 0101 |
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+ |
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+@draw-grid ( -- ) |
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+ |
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+ ( draw cell count ) |
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+ .anchor/x LDZ2 .Screen/x DEO2 |
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+ .anchor/y2 LDZ2 #0008 ADD2 .Screen/y DEO2 |
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+ #01 .Screen/auto DEO |
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+ .world/count LDZ2 ;draw-short JSR2 |
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+ #00 .Screen/auto DEO |
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+ #4000 |
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+ &ver |
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+ #00 OVR #10 SFT2 .anchor/y LDZ2 ADD2 .Screen/y DEO2 |
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+ STHk |
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+ #4000 |
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+ &hor |
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+ #00 OVR #10 SFT2 .anchor/x LDZ2 ADD2 .Screen/x DEO2 |
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+ DUP STHkr ;get-cell JSR2 INC .Screen/pixel DEO |
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+ INC GTHk ,&hor JCN |
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+ POP2 |
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+ POPr |
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+ INC GTHk ,&ver JCN |
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+ POP2 |
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+ |
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+JMP2r |
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+ |
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+@draw-short ( short* -- ) |
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+ |
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+ SWP ,draw-byte JSR |
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+ |
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+@draw-byte ( byte color -- ) |
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+ |
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+ DUP #04 SFT ,draw-hex JSR #0f AND |
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+ |
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+@draw-hex ( char color -- ) |
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+ |
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+ #00 SWP #30 SFT2 ;font-hex ADD2 .Screen/addr DEO2 |
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+ #03 .Screen/sprite DEO |
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+ |
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+JMP2r |
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+ |
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+@within-rect ( x* y* rect -- flag ) |
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+ |
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+ STH |
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+ ( y < rect.y1 ) DUP2 STHkr #02 ADD LDZ2 LTH2 ,&skip JCN |
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+ ( y > rect.y2 ) DUP2 STHkr #06 ADD LDZ2 GTH2 ,&skip JCN |
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+ SWP2 |
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+ ( x < rect.x1 ) DUP2 STHkr LDZ2 LTH2 ,&skip JCN |
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+ ( x > rect.x2 ) DUP2 STHkr #04 ADD LDZ2 GTH2 ,&skip JCN |
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+ POP2 POP2 POPr |
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+ #01 |
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+JMP2r |
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+ &skip |
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+ POP2 POP2 POPr |
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+ #00 |
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+ |
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+JMP2r |
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+ |
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+@mclr ( addr* len* -- ) |
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+ |
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+ OVR2 ADD2 SWP2 |
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+ &loop |
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+ STH2k #00 STH2r STA |
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+ INC2 GTH2k ,&loop JCN |
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+ POP2 POP2 |
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+ |
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+JMP2r |
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+ |
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+@mcpy ( src* dst* len* -- ) |
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+ |
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+ SWP2 STH2 |
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+ OVR2 ADD2 SWP2 |
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+ &loop |
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+ LDAk STH2kr STA INC2r |
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+ INC2 GTH2k ,&loop JCN |
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+ POP2 POP2 |
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+ POP2r |
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+ |
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+JMP2r |
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+ |
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+@cursor |
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+ 80c0 e0f0 f8e0 1000 |
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+ |
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+@font-hex |
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+ 7c82 8282 8282 7c00 |
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+ 3010 1010 1010 3800 |
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+ 7c82 027c 8080 fe00 |
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+ 7c82 021c 0282 7c00 |
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+ 2242 82fe 0202 0200 |
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+ fe80 807c 0282 7c00 |
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+ 7c82 80fc 8282 7c00 |
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+ fe82 0408 0810 1000 |
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+ 7c82 827c 8282 7c00 |
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+ 7c82 827e 0202 0200 |
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+ 7c82 82fe 8282 8200 |
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+ fc82 82fc 8282 fc00 |
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+ 7c82 8080 8082 7c00 |
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+ fc82 8282 8282 fc00 |
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+ fe80 80f0 8080 fe00 |
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+ fe80 80f0 8080 8000 |
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+ |
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+@bank1 $1000 @bank2 |