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21 lines
275 B
NASM
21 lines
275 B
NASM
DelayFrame::
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; Wait for one frame
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ld a, 1
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ldh [hVBlankOccurred], a
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; Wait for the next VBlank, halting to conserve battery
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.halt
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halt
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nop
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ldh a, [hVBlankOccurred]
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and a
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jr nz, .halt
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ret
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DelayFrames::
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; Wait c frames
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call DelayFrame
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dec c
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jr nz, DelayFrames
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ret
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