29 lines
239 B
ArmAsm
29 lines
239 B
ArmAsm
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//
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// Helper routines to blank/show screen
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//
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#if CONFIG_TAPE_NORMAL || CONFIG_TAPE_TURBO
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screen_blank:
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lda VIC_SCROLY
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and #($FF - $10)
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sta VIC_SCROLY
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rts
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screen_show:
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lda VIC_SCROLY
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ora #$10
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sta VIC_SCROLY
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rts
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#endif
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