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Imports EXG and PEA tests, and fixes EXG timing.

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This commit is contained in:
Thomas Harte 2019-06-23 22:21:25 -04:00
parent 5d283a9f1f
commit d50fbfb506
2 changed files with 93 additions and 1 deletions
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92
OSBindings/Mac/Clock SignalTests/68000Tests.mm
View File

@ -1213,6 +1213,62 @@ class CPU::MC68000::ProcessorStorageTests {
// XCTAssertEqual(42, _machine->get_cycle_count());
}
// MARK: EXG
- (void)testEXG_D1D2 {
_machine->set_program({
0xc342 // EXG D1, D2
});
auto state = _machine->get_processor_state();
state.data[1] = 0x11111111;
state.data[2] = 0x22222222;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0x22222222);
XCTAssertEqual(state.data[2], 0x11111111);
XCTAssertEqual(6, _machine->get_cycle_count());
}
- (void)testEXG_A1A2 {
_machine->set_program({
0xc34a // EXG A1, A2
});
auto state = _machine->get_processor_state();
state.address[1] = 0x11111111;
state.address[2] = 0x22222222;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.address[1], 0x22222222);
XCTAssertEqual(state.address[2], 0x11111111);
XCTAssertEqual(6, _machine->get_cycle_count());
}
- (void)testEXG_A1D1 {
_machine->set_program({
0xc389 // EXG A1, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0x11111111;
state.address[1] = 0x22222222;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0x22222222);
XCTAssertEqual(state.address[1], 0x11111111);
XCTAssertEqual(6, _machine->get_cycle_count());
}
// MARK: LEA
- (void)testLEA_w {
@ -1782,6 +1838,42 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(4, _machine->get_cycle_count());
}
// MARK: PEA
- (void)testPEA_A1 {
_machine->set_program({
0x4851 // PEA (A1)
});
auto state = _machine->get_processor_state();
state.address[1] = 0x3000ffff;
_machine->set_initial_stack_pointer(0x1996);
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.address[1], 0x3000ffff);
XCTAssertEqual(state.stack_pointer(), 0x1992);
XCTAssertEqual(*_machine->ram_at(0x1992), 0x3000);
XCTAssertEqual(*_machine->ram_at(0x1994), 0xffff);
XCTAssertEqual(12, _machine->get_cycle_count());
}
- (void)testPEA_XXXw {
_machine->set_program({
0x4878, 0x3000 // PEA ($3000).w
});
_machine->set_initial_stack_pointer(0x1996);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.stack_pointer(), 0x1992);
XCTAssertEqual(*_machine->ram_at(0x1992), 0x0000);
XCTAssertEqual(*_machine->ram_at(0x1994), 0x3000);
XCTAssertEqual(16, _machine->get_cycle_count());
}
// MARK: ROL
- (void)testROLb_8 {

2
Processors/68000/Implementation/68000Storage.cpp
View File

@ -952,7 +952,7 @@ struct ProcessorStorageConstructor {
break;
}
op(Action::PerformOperation, seq("np"));
op(Action::PerformOperation, seq("np n"));
} break;
case Decoder::NOP: {