mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-15 02:35:06 +00:00
64 lines
1.5 KiB
Tal
64 lines
1.5 KiB
Tal
( DVD Bounce )
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|00 @System &vector $2 &wst $1 &rst $1 &eaddr $2 &ecode $1 &pad $1 &r $2 &g $2 &b $2 &debug $1 &halt $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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|0000
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@dvd &x $2 &y $2 &dx $1 &dy $1
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|0100 ( -> )
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( theme )
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#4cfd .System/r DEO2
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#4cf3 .System/g DEO2
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#dcf2 .System/b DEO2
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( vectors )
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;on-frame .Screen/vector DEO2
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( starting position )
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.Screen/width DEI2 #01 SFT2 .dvd/x STZ2
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.Screen/height DEI2 #01 SFT2 .dvd/y STZ2
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( set collisions )
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.Screen/width DEI2 #0020 SUB2 ;on-frame/hit-hor STA2
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.Screen/height DEI2 #0010 SUB2 ;on-frame/hit-ver STA2
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( drawing mode )
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#36 .Screen/auto DEO
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#01 ,draw-dvd JSR
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BRK
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@on-frame ( -> )
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#00 ,draw-dvd JSR
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( x )
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.dvd/x LDZ2
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STH2k #0000 EQU2 ,&flip-x JCN
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STH2kr [ LIT2 &hit-hor $2 ] EQU2 ,&flip-x JCN
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&no-x
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STH2r [ #00 .dvd/dx LDZ ] DUP2 ADD2 ADD2 #ffff ADD2 .dvd/x STZ2
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( y )
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.dvd/y LDZ2
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STH2k #0000 EQU2 ,&flip-y JCN
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STH2kr [ LIT2 &hit-ver $2 ] EQU2 ,&flip-y JCN
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&no-y
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STH2r [ #00 .dvd/dy LDZ ] DUP2 ADD2 ADD2 #ffff ADD2 .dvd/y STZ2
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#01 ,draw-dvd JSR
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BRK
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&flip-x .dvd/dx LDZk #00 EQU SWP STZ ,&no-x JMP
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&flip-y .dvd/dy LDZk #00 EQU SWP STZ ,&no-y JMP
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@draw-dvd ( color -- )
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;dvd_icn .Screen/addr DEO2
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.dvd/x LDZ2 .Screen/x DEO2
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.dvd/y LDZ2 .Screen/y DEO2
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.Screen/sprite DEOk DEO
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JMP2r
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@dvd_icn ( 4 x 2 )
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001f 3f38 3838 787f 00fe fe7e 7777 e3c3
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000f 1f3b 7b77 e7c7 00fc fe8f 8707 0efc
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7f00 000f ff7f 0700 0301 00ff f0f8 ff00
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8700 00ff 7f7f ff00 f000 00e0 fcfc 8000
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