2018-06-24 14:09:41 +00:00
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DelayFrame::
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2013-09-03 21:36:55 +00:00
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; Wait for one frame
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ld a, 1
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2018-01-23 22:39:09 +00:00
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ld [wVBlankOccurred], a
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2013-09-03 21:36:55 +00:00
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; Wait for the next VBlank, halting to conserve battery
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.halt
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halt ; rgbasm adds a nop after this instruction by default
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2018-01-23 22:39:09 +00:00
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ld a, [wVBlankOccurred]
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2013-09-03 21:36:55 +00:00
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and a
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jr nz, .halt
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ret
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2018-06-24 14:09:41 +00:00
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DelayFrames::
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2013-09-03 21:36:55 +00:00
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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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