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Adds Scc tests. No implementation fixes required.

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This commit is contained in:
Thomas Harte 2019-06-19 21:42:54 -04:00
parent 7976cf5b3c
commit 624b0b6372
1 changed files with 84 additions and 0 deletions
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84
OSBindings/Mac/Clock SignalTests/68000Tests.mm
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@ -874,6 +874,90 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(state.address[1], 0);
}
// MARK: Scc
- (void)testSFDn {
_machine->set_program({
0x51c0 // SF D0
});
auto state = _machine->get_processor_state();
state.data[0] = 0x12345678;
state.status = CPU::MC68000::Flag::Extend;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[0], 0x12345600);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Extend);
}
- (void)testSTDn {
_machine->set_program({
0x50c0 // ST D0
});
auto state = _machine->get_processor_state();
state.data[0] = 0x12345678;
state.status = CPU::MC68000::Flag::Extend;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[0], 0x123456ff);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Extend);
}
- (void)testSLSDn {
_machine->set_program({
0x53c0 // SLS D0
});
auto state = _machine->get_processor_state();
state.data[0] = 0x12345678;
state.status = CPU::MC68000::Flag::ConditionCodes;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[0], 0x123456ff);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::ConditionCodes);
}
- (void)testSGTAnXTrue {
_machine->set_program({
0x5ee8, 0x0002 // SGT 2(a0)
});
auto state = _machine->get_processor_state();
state.address[0] = 0x3000;
*_machine->ram_at(0x3002) = 0x8800;
state.status = CPU::MC68000::Flag::Extend;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(*_machine->ram_at(0x3002), 0xff00);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Extend);
}
- (void)testSGTAnXFalse {
_machine->set_program({
0x5ee8, 0x0002 // SGT 2(a0)
});
auto state = _machine->get_processor_state();
state.address[0] = 0x3000;
*_machine->ram_at(0x3002) = 0x8800;
state.status = CPU::MC68000::Flag::ConditionCodes;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(*_machine->ram_at(0x3002), 0x0000);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::ConditionCodes);
}
// MARK: SWAP
- (void)testSwap {