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Imports SUB tests.

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This commit is contained in:
Thomas Harte 2019-06-24 22:00:37 -04:00
parent e830d23533
commit aa656a39b8
1 changed files with 107 additions and 0 deletions
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107
OSBindings/Mac/Clock SignalTests/68000Tests.mm
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@ -2585,6 +2585,113 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::ConditionCodes);
}
// MARK: SUB
- (void)performSUBbIMM:(uint16_t)value d2:(uint32_t)d2 {
_machine->set_program({
0x0402, value // SUB.b #value, D2
});
auto state = _machine->get_processor_state();
state.data[2] = d2;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
XCTAssertEqual(8, _machine->get_cycle_count());
}
- (void)testSUBb_IMM_ff {
[self performSUBbIMM:0xff d2:0x9ae];
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.data[2], 0x9af);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Carry | Flag::Negative | Flag::Extend);
}
- (void)testSUBb_IMM_82 {
[self performSUBbIMM:0x82 d2:0x0a];
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.data[2], 0x88);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Carry | Flag::Negative | Flag::Overflow | Flag::Extend);
}
- (void)testSUBb_IMM_f0 {
[self performSUBbIMM:0xf0 d2:0x64];
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.data[2], 0x74);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Carry | Flag::Extend);
}
- (void)testSUBb_IMM_28 {
[self performSUBbIMM:0x28 d2:0xff96];
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.data[2], 0xff6e);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Overflow);
}
- (void)testSUBb_PreDec {
_machine->set_program({
0x9427 // SUB.b -(A7), D2
});
_machine->set_initial_stack_pointer(0x2002);
auto state = _machine->get_processor_state();
state.data[2] = 0x9c40;
*_machine->ram_at(0x2000) = 0x2710;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(10, _machine->get_cycle_count());
XCTAssertEqual(state.data[2], 0x9c19);
XCTAssertEqual(state.stack_pointer(), 0x2000);
}
// Omitted: SUB.w -(A6), D2, which is designed to trigger an address error.
- (void)testSUBw_XXXw {
_machine->set_program({
0x9578, 0x3000 // SUB.w D2, ($3000).w
});
auto state = _machine->get_processor_state();
state.data[2] = 0x2711;
*_machine->ram_at(0x3000) = 0x759f;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(16, _machine->get_cycle_count());
XCTAssertEqual(state.data[2], 0x2711);
XCTAssertEqual(state.status & Flag::ConditionCodes, 0);
XCTAssertEqual(*_machine->ram_at(0x3000), 0x4e8e);
}
- (void)testSUBl_dAn {
_machine->set_program({
0x95ab, 0x0004 // SUB.l D2, 4(A3)
});
auto state = _machine->get_processor_state();
state.data[2] = 0x45fd5ab4;
state.address[3] = 0x3000;
*_machine->ram_at(0x3004) = 0x327a;
*_machine->ram_at(0x3006) = 0x4ef3;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(24, _machine->get_cycle_count());
XCTAssertEqual(state.data[2], 0x45fd5ab4);
XCTAssertEqual(state.address[3], 0x3000);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Carry | Flag::Extend | Flag::Negative);
XCTAssertEqual(*_machine->ram_at(0x3004), 0xec7c);
XCTAssertEqual(*_machine->ram_at(0x3006), 0xf43f);
}
// MARK: SWAP
- (void)testSwap {