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Merge pull request #967 from TomHarte/EnterpriseTiming

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Correct Enterprise timing error.
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Thomas Harte 2021-07-06 22:48:58 -04:00 committed by GitHub
commit 6a15b8f695
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1 changed files with 3 additions and 3 deletions
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6
Machines/Enterprise/Enterprise.cpp
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@ -276,14 +276,14 @@ template <bool has_disk_controller> class ConcreteMachine:
}
break;
case PartialMachineCycle::ReadOpcodeStart:
if(!is_video_[address >> 14] && wait_mode_ != WaitMode::None) {
penalty = dave_delay_;
} else {
if(is_video_[address >> 14]) {
// Query Nick for the amount of delay that would occur with one cycle left
// in this read opcode.
const auto delay_time = nick_.time_since_flush(HalfCycles(2));
const auto delay = nick_.last_valid()->get_time_until_z80_slot(delay_time);
penalty = nick_.back_map(delay, delay_time);
} else if(wait_mode_ != WaitMode::None) {
penalty = dave_delay_;
}
break;