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Adds a couple of the one-shots: SWAP, MOVE USP.

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This commit is contained in:
Thomas Harte 2019-06-19 19:10:36 -04:00
parent 91ced056d2
commit 47b1218a68
1 changed files with 34 additions and 1 deletions
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35
OSBindings/Mac/Clock SignalTests/68000Tests.mm
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@ -671,7 +671,7 @@ class CPU::MC68000::ProcessorStorageTests {
- (void)testAddOverflow {
_machine->set_program({
0x0602, 0x82 // ADD.B #$82, D2
0xd43c, 0x82 // ADD.B #$82, D2
});
auto state = _machine->get_processor_state();
state.data[2] = 0x82;
@ -773,4 +773,37 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Negative);
}
// MARK: MOVE USP
- (void)testMoveUSP {
_machine->set_program({
0x4e69 // MOVE USP, A1
});
auto state = _machine->get_processor_state();
state.address[1] = 0x12348756;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(state.address[1], 0);
}
// MARK: SWAP
- (void)testSwap {
_machine->set_program({
0x4841 // SWAP D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0x12348756;
_machine->set_processor_state(state);
_machine->run_for_instructions(2);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0x87561234);
XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Negative);
}
@end