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Apply new status before entering STOP loop.

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This commit is contained in:
Thomas Harte 2022-06-15 10:50:03 -04:00
parent 733ffc0eee
commit 93615f6647
1 changed files with 10 additions and 3 deletions
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13
Processors/68000Mk2/Implementation/68000Mk2Implementation.hpp
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@ -27,6 +27,7 @@ enum ExecutionState: int {
Reset = std::numeric_limits<int>::min(),
Decode,
WaitForDTACK,
WaitForInterrupt,
StoreOperand,
StoreOperand_bw,
@ -377,14 +378,20 @@ void Processor<BusHandler, dtack_is_implicit, permit_overrun, signal_will_perfor
}
MoveToStateSpecific(WaitForDTACK);
// Spin in place until an interrupt arrives.
BeginState(STOP):
IdleBus(1);
// Apply the suffix status.
status_.set_status(operand_[0].w);
did_update_status();
[[fallthrough]];
BeginState(WaitForInterrupt):
// Spin in place until an interrupt arrives.
captured_interrupt_level_ = bus_interrupt_level_;
if(status_.would_accept_interrupt(captured_interrupt_level_)) {
MoveToStateSpecific(DoInterrupt);
}
MoveToStateSpecific(STOP);
IdleBus(1);
MoveToStateSpecific(WaitForInterrupt);
// Perform the RESET exception, which seeds the stack pointer and program
// counter, populates the prefetch queue, and then moves to instruction dispatch.