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Factors the half mask into steps count.

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This commit is contained in:
Thomas Harte 2020-05-14 00:09:01 -04:00
parent 11d936331d
commit c5b746543b
1 changed files with 5 additions and 1 deletions
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6
Processors/Z80/State/State.cpp
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@ -8,6 +8,8 @@
#include "State.hpp"
#include <cassert>
using namespace CPU::Z80;
State::State(const ProcessorBase &src): State() {
@ -88,10 +90,12 @@ State::State(const ProcessorBase &src): State() {
} else {
// There's no need to determine which opcode because that knowledge is already
// contained in the dedicated opcode field.
Populate(Operation, current_instruction_page_->instructions[src.operation_]);
Populate(Operation, current_instruction_page_->instructions[src.operation_ & src.halt_mask_]);
}
}
assert(execution_state.steps_into_phase >= 0);
#undef Populate
#undef ContainedBy
}