mirror of
https://github.com/mouse6502/mktrashdove.git
synced 2024-05-31 18:41:34 +00:00
1423865f6d
this is the trashdove.. it somehow got into the Apple II double lo-res screen.
17 lines
409 B
ArmAsm
17 lines
409 B
ArmAsm
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ZP0 = $06
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ZP1 = $07
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ZP2 = $08
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ZP3 = $09
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PAGE2 = $C01C ; R7 1=video page2 OR aux video page selected
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PAGE2OFF = $C054 ; RW select page1 display (or main video memory)
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PAGE2ON = $C055 ; RW select page2 display (or aux video memory)
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DHRON = $C05E ; enable dhr
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DHROFF = $C05F ; disable dhr
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TEXTOFF = $C050 ; select graphics mode
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MIXEDON = $C053 ; use graphics with four lines of text
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