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Avoid spurious mismatches.

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This commit is contained in:
Thomas Harte 2022-06-08 16:03:02 -04:00
parent fd1955e15b
commit 168dc12e27
1 changed files with 9 additions and 3 deletions
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12
OSBindings/Mac/Clock SignalTests/68000OldVsNew.mm
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@ -214,7 +214,7 @@ template <typename M68000> struct Tester {
bus_handler.instructions = instructions;
try {
processor.run_for(HalfCycles(5000));
processor.run_for(HalfCycles(5000)); // Arbitrary, but will definitely exceed any one instruction (by quite a distance).
} catch (const HarmlessStopException &) {}
}
@ -279,11 +279,17 @@ template <typename M68000> struct Tester {
oldState.data[c] = newState.registers.data[c] = rand() ^ (rand() << 1);
if(c != 7) oldState.address[c] = newState.registers.address[c] = rand() << 1;
}
oldState.status = newState.registers.status = rand() | (1 << 13);
// Fully to paper over the two 68000s' different ways of doing a faked
// reset, pick a random status such that:
//
// (i) supervisor mode is active;
// (ii) trace is inactive; and
// (iii) interrupt level is 7.
oldState.status = newState.registers.status = (rand() | (1 << 13) | (7 << 8)) & ~(1 << 15);
oldState.user_stack_pointer = newState.registers.user_stack_pointer = rand() << 1;
oldTester->processor.set_state(oldState);
newTester->processor.set_state(newState);
oldTester->processor.set_state(oldState);
// Run a single instruction.
newTester->run_instructions(1);