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Capture interrupt input at the end of an access cycle, not the beginning.

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All still a guess.
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Thomas Harte
2022-06-03 15:39:53 -04:00
parent a61f7e38b6
commit 542126194a
1 changed files with 2 additions and 2 deletions
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4
Processors/68000Mk2/Implementation/68000Mk2Implementation.hpp
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@@ -318,9 +318,9 @@ void Processor<BusHandler, dtack_is_implicit, permit_overrun, signal_will_perfor
// Reads one futher word from the program counter and inserts it into // Reads one futher word from the program counter and inserts it into
// the prefetch queue. // the prefetch queue.
#define Prefetch() \ #define Prefetch() \
captured_interrupt_level_ = bus_interrupt_level_; \
prefetch_.high = prefetch_.low; \ prefetch_.high = prefetch_.low; \
ReadProgramWord(prefetch_.low) ReadProgramWord(prefetch_.low) \
captured_interrupt_level_ = bus_interrupt_level_;
// Raises the exception with integer vector x — x is the vector identifier, // Raises the exception with integer vector x — x is the vector identifier,
// not its address. // not its address.