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Imports SUBX tests.

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This commit is contained in:
Thomas Harte 2019-06-28 14:30:26 -04:00
parent 6a77ed1e07
commit fd604048db
1 changed files with 64 additions and 0 deletions
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64
OSBindings/Mac/Clock SignalTests/68000Tests.mm
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@ -5197,6 +5197,70 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Negative | Flag::Carry);
}
// MARK: SUBX
- (void)testSUBXl_Dn {
_machine->set_program({
0x9581 // SUBX.l D1, D2
});
auto state = _machine->get_processor_state();
state.data[1] = 0x12345678;
state.data[2] = 0x12345678;
state.status |= Flag::ConditionCodes;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(8, _machine->get_cycle_count());
XCTAssertEqual(state.data[1], 0x12345678);
XCTAssertEqual(state.data[2], 0xffffffff);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry | Flag::Negative);
}
- (void)testSUBXb_Dn {
_machine->set_program({
0x9501 // SUBX.b D1, D2
});
auto state = _machine->get_processor_state();
state.data[1] = 0x80;
state.data[2] = 0x01;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(4, _machine->get_cycle_count());
XCTAssertEqual(state.data[1], 0x80);
XCTAssertEqual(state.data[2], 0x81);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry | Flag::Negative | Flag::Overflow);
}
- (void)testSUBXl_PreDec {
_machine->set_program({
0x9389 // SUBX.l -(A1), -(A1)
});
auto state = _machine->get_processor_state();
state.address[1] = 0x3000;
*_machine->ram_at(0x2ff8) = 0x1000;
*_machine->ram_at(0x2ffa) = 0x0000;
*_machine->ram_at(0x2ffc) = 0x7000;
*_machine->ram_at(0x2ffe) = 0x1ff1;
state.status |= Flag::ConditionCodes;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(30, _machine->get_cycle_count());
XCTAssertEqual(state.address[1], 0x2ff8);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry | Flag::Negative );
XCTAssertEqual(*_machine->ram_at(0x2ff8), 0x9fff);
XCTAssertEqual(*_machine->ram_at(0x2ffa), 0xe00e);
XCTAssertEqual(*_machine->ram_at(0x2ffc), 0x7000);
XCTAssertEqual(*_machine->ram_at(0x2ffe), 0x1ff1);
}
// MARK: SWAP
- (void)testSwap {