Repeat: Difference between revisions
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Thundergnat (talk | contribs) m (syntax highlighting fixup automation) |
Thundergnat (talk | contribs) m (fix markup) |
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===Using self-modifying code=== |
===Using self-modifying code=== |
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This method assumes the routine doesn't use the B register, or restores it before returning. Also, the actual "wrapper" used to repeat the passed function must be in RAM so that its instructions can be modified at runtime. |
This method assumes the routine doesn't use the B register, or restores it before returning. Also, the actual "wrapper" used to repeat the passed function must be in RAM so that its instructions can be modified at runtime. |
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<syntaxhighlight lang="z80"> |
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LD HL,myFunc |
LD HL,myFunc |
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LD (repeatproc+1),HL |
LD (repeatproc+1),HL |
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