Browse code
Ported automata
neauoire authored on 15/05/2021 20:09:11
Showing 3 changed files
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+( Project by Alex Schroeder - https://alexschroeder.ch ) |
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+ |
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+%RTN { JMP2r }
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+%INCR { SWP #01 ADD SWP }
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+%CELL { #1000 }
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+%NEXT { #2000 }
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+ |
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+( devices ) |
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+ |
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+|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $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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+|b0 @DateTime [ &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1 ] |
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+ |
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+|0000 |
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+ |
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+( program ) |
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+ |
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+@seed [ &x $1 &w $2 &s $2 ] |
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+ |
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+|0100 ( -> ) |
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+ |
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+ ( theme ) |
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+ #2aac .System/r DEO2 |
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+ #269b .System/g DEO2 |
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+ #378d .System/b DEO2 |
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+ |
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+ ;seed-line JSR2 |
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+ |
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+ ( run for a few generations ) |
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+ #00 #ff |
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+ &loop |
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+ OVR #00 SWP ;print-line JSR2 |
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+ ;compute-next JSR2 |
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+ ;copy-next JSR2 |
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+ ( incr ) INCR |
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+ ( loop ) LTHk ,&loop JCN |
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+ POP2 |
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+ |
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+BRK |
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+ |
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+@print-line ( y -- ) |
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+ |
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+ ( set ) .Screen/y DEO2 |
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+ ( loop through cells ) |
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+ #00 #ff |
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+ &loop |
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+ ( copy ) OVR #00 SWP DUP2 |
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+ ( pos ) .Screen/x DEO2 |
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+ ( addr ) CELL ADD2 |
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+ ( draw ) LDA .Screen/color DEO |
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+ ( incr ) INCR |
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+ ( loop ) LTHk ,&loop JCN |
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+ POP2 |
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+ |
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+RTN |
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+ |
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+@compute-next ( -- ) |
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+ |
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+ ( loop through 62 cells ) |
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+ #01 #fe |
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+ &loop |
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+ OVR DUP DUP ( three copies of the counter ) |
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+ #01 SUB #00 SWP CELL ADD2 LDA |
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+ SWP |
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+ #01 ADD #00 SWP CELL ADD2 LDA |
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+ ( the cell dies if the neighbors are either both dead or both alive, i.e. Rule 90 ) |
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+ NEQ |
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+ ( one copy of the counter and the life value ) |
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+ SWP #00 SWP NEXT ADD2 STA |
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+ ( incr ) INCR |
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+ ( loop ) LTHk ,&loop JCN |
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+ POP2 |
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+ |
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+RTN |
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+ |
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+@copy-next ( -- ) |
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+ |
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+ ( loop through cells ) |
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+ #00 #ff |
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+ &loop |
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+ OVR DUP ( two copies of the counter ) |
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+ #00 SWP NEXT ADD2 LDA ( one copy of the counter and the value ) |
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+ SWP #00 SWP CELL ADD2 STA |
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+ ( incr ) INCR |
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+ ( loop ) LTHk ,&loop JCN |
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+ POP2 |
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+ |
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+RTN |
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+ |
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+@seed-line ( -- ) |
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+ |
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+ .DateTime/second DEI .seed/x STZ |
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+ #0000 .seed/w STZ2 |
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+ #e2a9 .seed/s STZ2 |
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+ ( loop through cells ) |
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+ #01 #fe |
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+ &loop |
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+ OVR ( one copy of the counter ) |
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+ ;rand JSR2 |
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+ #10 AND ( pick a bit ) |
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+ SWP #00 SWP CELL ADD2 STA |
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+ ( incr ) INCR |
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+ ( loop ) LTHk ,&loop JCN |
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+ POP2 |
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+ |
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+RTN |
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+ |
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+( https://en.wikipedia.org/wiki/Middle-square_method ) |
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+ |
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+@rand ( -- 1 ) |
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+ |
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+ .seed/x LDZ #00 SWP DUP2 MUL2 |
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+ .seed/w LDZ2 .seed/s LDZ2 ADD2 |
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+ DUP2 .seed/w STZ2 |
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+ ADD2 |
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+ #04 SFT SWP #40 SFT ADD |
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+ DUP .seed/x STZ |
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+ |
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+RTN |
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\ No newline at end of file |
| ... | ... |
@@ -160,4 +160,28 @@ RTN |
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RTN |
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+@line-hor ( x0* x1* y* color -- ) |
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+ |
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+ STH .Screen/y DEO2 |
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+ &loop |
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+ ( save ) OVR2 .Screen/x DEO2 |
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+ ( draw ) STHkr .Screen/color DEO |
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+ ( incr ) SWP2 #0002 ++ SWP2 |
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+ LTH2k ,&loop JCN |
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+ POP2 POP2 POPr |
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+ |
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+RTN |
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+ |
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+@line-ver ( x* y0* y1* color -- ) |
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+ |
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+ STH ROT2 .Screen/x DEO2 |
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+ &loop |
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+ ( save ) OVR2 .Screen/y DEO2 |
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+ ( draw ) STHkr .Screen/color DEO |
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+ ( incr ) SWP2 #0002 ++ SWP2 |
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+ LTH2k ,&loop JCN |
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+ POP2 POP2 POPr |
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+ |
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+RTN |
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+ |
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@checker_icn [ f0f0 f0f0 0f0f 0f0f ] |