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Adds BSR tests.

This commit is contained in:
Thomas Harte 2019-06-28 21:31:41 -04:00
parent 17666bc059
commit a1c00e9318

View File

@ -1789,6 +1789,44 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800);
}
// MARK: BSR
- (void)testBSRw {
_machine->set_program({
0x6100, 0x0006 // BSR.w $1008
});
_machine->set_initial_stack_pointer(0x3000);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.program_counter, 0x1008 + 4);
XCTAssertEqual(state.stack_pointer(), 0x2ffc);
XCTAssertEqual(state.status & Flag::ConditionCodes, 0);
XCTAssertEqual(*_machine->ram_at(0x2ffc), 0);
XCTAssertEqual(*_machine->ram_at(0x2ffe), 0x1004);
XCTAssertEqual(_machine->get_cycle_count(), 18);
}
- (void)testBSRb {
_machine->set_program({
0x6106 // BSR.b $1008
});
_machine->set_initial_stack_pointer(0x3000);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.program_counter, 0x1008 + 4);
XCTAssertEqual(state.stack_pointer(), 0x2ffc);
XCTAssertEqual(state.status & Flag::ConditionCodes, 0);
XCTAssertEqual(*_machine->ram_at(0x2ffc), 0);
XCTAssertEqual(*_machine->ram_at(0x2ffe), 0x1002);
XCTAssertEqual(_machine->get_cycle_count(), 18);
}
// MARK: BTST
- (void)performBTSTD0D1:(uint32_t)d1 {