117 lines
2.5 KiB
Tal
117 lines
2.5 KiB
Tal
( dev/screen )
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%RTN { JMP2r }
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%2// { #01 SFT2 }
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( devices )
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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 &pixel $1 &sprite $1 ]
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( variables )
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|0000
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@center [ &x $2 &y $2 ]
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( init )
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|0100 ( -> )
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( theme )
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#f07f .System/r DEO2
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#f0e0 .System/g DEO2
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#f0c0 .System/b DEO2
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( find screen center )
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.Screen/width DEI2 2// .center/x STZ2
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.Screen/height DEI2 2// .center/y STZ2
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( draw )
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;draw-table JSR2
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;draw-sprites JSR2
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;draw-circle JSR2
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;draw-pixels JSR2
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BRK
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@draw-table ( -- )
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#00 #10
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&loop
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OVR #08 MUL #00 SWP ;font-hex ADD2 .Screen/addr DEO2
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( x-axis )
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OVR #08 MUL #00 SWP
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.center/x LDZ2 #0040 SUB2 ADD2 .Screen/x DEO2
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.center/y LDZ2 #0050 SUB2 .Screen/y DEO2
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( draw ) #01 .Screen/sprite DEO
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( y-axis )
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OVR #08 MUL #00 SWP
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.center/y LDZ2 #0040 SUB2 ADD2 .Screen/y DEO2
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.center/x LDZ2 #0050 SUB2 .Screen/x DEO2
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( draw ) #01 .Screen/sprite DEO
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( incr ) SWP #01 ADD SWP
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LTHk ,&loop JCN
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POP2
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RTN
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@draw-sprites ( -- )
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;preview_icn .Screen/addr DEO2
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#00 #00
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&loop
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( move ) OVR #0f AND #40 SFT #02 DIV #00 SWP
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.center/x LDZ2 #0040 SUB2 ADD2 .Screen/x DEO2
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( move ) OVR #f0 AND #02 DIV #00 SWP
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.center/y LDZ2 #0040 SUB2 ADD2 .Screen/y DEO2
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( draw ) OVR .Screen/sprite DEO
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( incr ) SWP #01 ADD SWP
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NEQk ,&loop JCN
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POP2
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RTN
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@draw-circle ( -- )
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;preview_icn .Screen/addr DEO2
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.center/x LDZ2 #0048 ADD2 .Screen/x DEO2
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.center/y LDZ2 #0030 ADD2 .Screen/y DEO2
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#81 .Screen/sprite DEO
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.center/x LDZ2 #0050 ADD2 .Screen/x DEO2
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#91 .Screen/sprite DEO
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.center/x LDZ2 #0048 ADD2 .Screen/x DEO2
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.center/y LDZ2 #0038 ADD2 .Screen/y DEO2
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#a1 .Screen/sprite DEO
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.center/x LDZ2 #0050 ADD2 .Screen/x DEO2
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#b1 .Screen/sprite DEO
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RTN
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@draw-pixels ( -- )
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.center/y LDZ2 #0040 SUB2 .Screen/y DEO2
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.center/x LDZ2 #0048 ADD2 .Screen/x DEO2
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#00 .Screen/pixel DEO
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.center/x LDZ2 #0049 ADD2 .Screen/x DEO2
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#01 .Screen/pixel DEO
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.center/x LDZ2 #004a ADD2 .Screen/x DEO2
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#02 .Screen/pixel DEO
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.center/x LDZ2 #004b ADD2 .Screen/x DEO2
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#03 .Screen/pixel DEO
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RTN
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@preview_icn [
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0f38 675f dfbf bfbf 0007 1820 2344 4848
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@font-hex
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007c 8282 8282 827c 0030 1010 1010 1010
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007c 8202 7c80 80fe 007c 8202 1c02 827c
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000c 1424 4484 fe04 00fe 8080 7c02 827c
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007c 8280 fc82 827c 007c 8202 1e02 0202
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007c 8282 7c82 827c 007c 8282 7e02 827c
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007c 8202 7e82 827e 00fc 8282 fc82 82fc
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007c 8280 8080 827c 00fc 8282 8282 82fc
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007c 8280 f080 827c 007c 8280 f080 8080
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