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Adds a couple of the one-shots: SWAP, MOVE USP.
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@ -671,7 +671,7 @@ class CPU::MC68000::ProcessorStorageTests {
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- (void)testAddOverflow {
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_machine->set_program({
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0x0602, 0x82 // ADD.B #$82, D2
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0xd43c, 0x82 // ADD.B #$82, D2
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});
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auto state = _machine->get_processor_state();
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state.data[2] = 0x82;
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@ -773,4 +773,37 @@ class CPU::MC68000::ProcessorStorageTests {
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XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Negative);
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}
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// MARK: MOVE USP
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- (void)testMoveUSP {
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_machine->set_program({
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0x4e69 // MOVE USP, A1
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});
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auto state = _machine->get_processor_state();
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state.address[1] = 0x12348756;
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_machine->set_processor_state(state);
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_machine->run_for_instructions(2);
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state = _machine->get_processor_state();
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XCTAssertEqual(state.address[1], 0);
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}
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// MARK: SWAP
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- (void)testSwap {
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_machine->set_program({
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0x4841 // SWAP D1
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});
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auto state = _machine->get_processor_state();
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state.data[1] = 0x12348756;
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_machine->set_processor_state(state);
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_machine->run_for_instructions(2);
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state = _machine->get_processor_state();
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XCTAssertEqual(state.data[1], 0x87561234);
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XCTAssertEqual(state.status & CPU::MC68000::Flag::ConditionCodes, CPU::MC68000::Flag::Negative);
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}
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@end
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