2021-04-24 17:15:47 +00:00
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( dev/screen )
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%RTN { JMP2r }
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2021-04-29 04:00:39 +00:00
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%MOD { DUP2 DIV MUL SUB }
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2021-04-24 17:15:47 +00:00
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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 &color $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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2021-04-29 04:00:39 +00:00
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#0c5f .System/r DEO2
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#022f .System/g DEO2
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#0da4 .System/b DEO2
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2021-04-24 17:15:47 +00:00
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( find screen center )
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.Screen/width DEI2 #0002 DIV2 .center/x POK2
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.Screen/height DEI2 #0002 DIV2 .center/y POK2
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( draw )
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;draw-sprites JSR2
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BRK
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@draw-sprites ( -- )
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;preview_icn .Screen/addr DEO2
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2021-04-29 04:00:39 +00:00
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#00 #ff
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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 PEK2 #0040 SUB2 ADD2 .Screen/x DEO2
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( move ) OVR #f0 AND #02 DIV #00 SWP
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.center/y PEK2 #0018 SUB2 ADD2 .Screen/y DEO2
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2021-04-24 17:15:47 +00:00
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( draw ) OVR .Screen/color DEO
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( incr ) SWP #01 ADD SWP
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2021-04-29 04:00:39 +00:00
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DUP2 LTH ,&loop JNZ
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POP2
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2021-04-24 17:15:47 +00:00
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RTN
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@preview_icn [ 183c 66db db66 3c18 0000 183c 3c18 0000 ]
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