mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-05 22:05:04 +00:00
95 lines
No EOL
2.7 KiB
Tal
95 lines
No EOL
2.7 KiB
Tal
( 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 { ;print-hex JSR2 #0a .Console/write DEO }
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%DEBUG2 { SWP ;print-hex JSR2 ;print-hex JSR2 #0a .Console/write DEO }
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%RTN { JMP2r }
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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 &debug $1 &halt $1 ]
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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 &pad $2 &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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|40 @Audio1 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1 ]
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|50 @Audio2 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &length $2 &addr $2 &volume $1 &pitch $1 ]
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|60 @Audio3 [ &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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|a0 @File [ &vector $2 &success $2 &offset $2 &pad $2 &name $2 &length $2 &load $2 &save $2 ]
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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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( variables )
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|0000
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@lista $3
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@listb $3
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@listc $3
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( program )
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|0100 ( -> )
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( theme )
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#0fe5 .System/r DEO2
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#0fc5 .System/g DEO2
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#0f25 .System/b DEO2
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#01 .lista #00 + STZ
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#02 .lista #01 + STZ
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#03 .lista #02 + STZ
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#10 .listb #00 + STZ
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#20 .listb #01 + STZ
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#30 .listb #02 + STZ
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.lista .listb .listc ;add-lists-loop JSR2
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.listc LDZ DEBUG
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.listc #01 + LDZ DEBUG
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.listc #02 + LDZ DEBUG
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BRK
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( Write a Forth word to add together two integer
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vectors (a.k.a. arrays) of three elements each. )
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@add-lists-linear ( a b c -- )
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STH
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( a[0] b[0] + ) LDZk STH SWP LDZk STHr + STHkr STZ
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( a[1] b[1] + ) #01 + LDZk STH SWP #01 + LDZk STHr + STHkr #01 + STZ
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( a[2] b[2] + ) #01 + LDZ SWP #01 + LDZ + STHr #02 + STZ
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RTN
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@add-lists-loop ( a b c -- )
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STH
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#00 #03
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&loop
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( get incr ) OVR STH
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( get a[x] ) OVR2 STHkr ADD LDZ
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( get b[x] ) SWP STHkr ADD LDZ
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( set c[x] ) ADD STHr STHkr ADD STZ
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( incr ) SWP #01 ADD SWP
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LTHk ,&loop JCN
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POP2 POP2 POPr
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JMP2r
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@print-hex ( value -- )
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STHk #04 SFT ,&parse JSR .Console/write DEO
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STHr #0f AND ,&parse JSR .Console/write DEO
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RTN
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&parse ( value -- char )
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DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN
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RTN |