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Undo 8-cycle-if-met WAIT.

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This commit is contained in:
Thomas Harte 2022-03-13 12:47:48 -04:00
parent cbf9b345ff
commit f2ce646d8d
1 changed files with 4 additions and 6 deletions
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10
Machines/Amiga/Copper.cpp
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@ -124,13 +124,11 @@ bool Copper::advance_dma(uint16_t position, uint16_t blitter_status) {
// Got to here => this is a WAIT or a SKIP.
const bool raster_is_satisfied = satisfies_raster(position, blitter_status, instruction_);
if(!(instruction_[1] & 1)) {
// A WAIT. Empirically, I don't think this waits at all if the test is
// already satisfied.
state_ = raster_is_satisfied ? State::FetchFirstWord : State::Waiting;
if(raster_is_satisfied) LOG("Will wait from " << PADHEX(4) << position);
// A WAIT. The wait-for-start-of-next PAL wait of
// $FFDF,$FFFE seems to suggest evaluation will happen
// in the next cycle rather than this one.
state_ = State::Waiting;
break;
}