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Imports LSR tests.

This commit is contained in:
Thomas Harte 2019-06-25 13:57:42 -04:00
parent 4048ed3a33
commit 40100773d3

View File

@ -1834,6 +1834,128 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(16, _machine->get_cycle_count());
}
// MARK: LSR
- (void)testLSRb_Dn_2 {
_machine->set_program({
0xe429 // LSR.b D2, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
state.data[2] = 2;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0xce3dd519);
XCTAssertEqual(state.data[2], 2);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry);
XCTAssertEqual(10, _machine->get_cycle_count());
}
- (void)testLSRb_Dn_69 {
_machine->set_program({
0xe429 // LSR.b D2, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
state.data[2] = 0x69;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0xce3dd500);
XCTAssertEqual(state.data[2], 0x69);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Zero);
XCTAssertEqual(88, _machine->get_cycle_count());
}
- (void)testLSRw_Dn_0 {
_machine->set_program({
0xe469 // LSR.w D2, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
state.data[2] = 0;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0xce3dd567);
XCTAssertEqual(state.data[2], 0);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Negative);
XCTAssertEqual(6, _machine->get_cycle_count());
}
- (void)testLSRw_Dn_b {
_machine->set_program({
0xe469 // LSR.w D2, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
state.data[2] = 0xb;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0xce3d001a);
XCTAssertEqual(state.data[2], 0xb);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry);
XCTAssertEqual(28, _machine->get_cycle_count());
}
- (void)testLSRl_Dn {
_machine->set_program({
0xe4a9 // LSR.l D2, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
state.data[2] = 0x20;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0);
XCTAssertEqual(state.data[2], 0x20);
XCTAssertEqual(state.status & Flag::ConditionCodes, Flag::Extend | Flag::Carry | Flag::Zero);
XCTAssertEqual(72, _machine->get_cycle_count());
}
- (void)testLSRl_Imm {
_machine->set_program({
0xe089 // LSR.L #8, D1
});
auto state = _machine->get_processor_state();
state.data[1] = 0xce3dd567;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.data[1], 0xce3dd5);
XCTAssertEqual(state.status & Flag::ConditionCodes, 0);
XCTAssertEqual(24, _machine->get_cycle_count());
}
- (void)testLSR_XXXw {
_machine->set_program({
0xe2f8, 0x3000 // LSR.l ($3000).w
});
*_machine->ram_at(0x3000) = 0x8ccc;
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(*_machine->ram_at(0x3000), 0x4666);
XCTAssertEqual(state.status & Flag::ConditionCodes, 0);
XCTAssertEqual(16, _machine->get_cycle_count());
}
// MARK: MOVEM
- (void)testMOVEM {