mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-16 03:05:06 +00:00
96 lines
2.5 KiB
Tal
96 lines
2.5 KiB
Tal
( Screen.pixel: test rom for screen pixel drawing )
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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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|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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@center &x $2 &y $2
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|0100
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@on-reset ( -> )
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( | theme )
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#f07f .System/r DEO2
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#f0d6 .System/g DEO2
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#f0b2 .System/b DEO2
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( | resize )
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#00c8 DUP2 .Screen/width DEO2
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.Screen/height DEO2
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( | find screen center )
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.Screen/width DEI2 #01 SFT2 .center/x STZ2
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.Screen/height DEI2 #01 SFT2 .center/y STZ2
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( | draw )
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<draw-bg-fill>
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<draw-bg-corners>
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<draw-fg-corners>
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<draw-pixels>
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BRK
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@<draw-bg-fill> ( -- )
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.center/x LDZ2 .Screen/x DEO2
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.center/x LDZ2 .Screen/y DEO2
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( | 4-way backgrounds )
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#0400
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&l ( -- )
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DUP DUP #40 SFT #80 ADD ORA .Screen/pixel DEO
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INC GTHk ?&l
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POP2 JMP2r
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@<draw-bg-corners> ( -- )
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.center/x LDZ2 #01 SFT2 .Screen/x DEO2
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.center/y LDZ2 #01 SFT2 .Screen/y DEO2
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#b0 .Screen/pixel DEO
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.center/x LDZ2 #01 SFT2 #0003 MUL2 .Screen/x DEO2
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.center/y LDZ2 #01 SFT2 .Screen/y DEO2
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#a1 .Screen/pixel DEO
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.center/x LDZ2 #01 SFT2 #0003 MUL2 .Screen/x DEO2
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.center/y LDZ2 #01 SFT2 #0003 MUL2 .Screen/y DEO2
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#83 .Screen/pixel DEO
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.center/x LDZ2 #01 SFT2 .Screen/x DEO2
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.center/y LDZ2 #01 SFT2 #0003 MUL2 .Screen/y DEO2
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#92 .Screen/pixel DEO
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JMP2r
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@<draw-fg-corners> ( -- )
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.center/x LDZ2 #02 SFT2 .Screen/x DEO2
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.center/y LDZ2 #02 SFT2 .Screen/y DEO2
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#f1 .Screen/pixel DEO
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.center/x LDZ2 #02 SFT2 #0007 MUL2 .Screen/x DEO2
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.center/y LDZ2 #02 SFT2 .Screen/y DEO2
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#e3 .Screen/pixel DEO
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( clear ) #e0 .Screen/pixel DEO
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.center/x LDZ2 #02 SFT2 #0007 MUL2 .Screen/x DEO2
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.center/y LDZ2 #02 SFT2 #0007 MUL2 .Screen/y DEO2
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#c2 .Screen/pixel DEO
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.center/x LDZ2 #02 SFT2 .Screen/x DEO2
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.center/y LDZ2 #02 SFT2 #0007 MUL2 .Screen/y DEO2
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#d0 .Screen/pixel DEO
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JMP2r
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@<draw-pixels> ( -- )
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( | bottom-left, background )
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.center/x LDZ2 #0010 SUB2 .Screen/x DEO2
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.center/y LDZ2 .Screen/y DEO2
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( auto-x ) #01 .Screen/auto DEO
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#00
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&bl ( -- )
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#00 OVR EQU OVR #0f AND ORA ?{
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.center/x LDZ2 #0010 SUB2 .Screen/x DEO2
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.Screen/y DEI2k INC2 ROT DEO2 }
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DUP #04 SFT OVR #0f AND LTH INC .Screen/pixel DEO
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INC DUP ?&bl
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POP
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( | bottom-right, foreground )
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.center/x LDZ2 .Screen/x DEO2
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.center/y LDZ2 #0010 SUB2 .Screen/y DEO2
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( auto-y ) #02 .Screen/auto DEO
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#00
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&br ( -- )
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#00 OVR EQU OVR #0f AND ORA ?{
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.center/y LDZ2 #0010 SUB2 .Screen/y DEO2
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.Screen/x DEI2k INC2 ROT DEO2 }
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DUP #04 SFT OVR #0f AND GTH INC #40 ORA .Screen/pixel DEO
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INC DUP ?&br
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POP JMP2r
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