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Imports BRA, EORI CCR and ORI CCR tests, extends PEA tests.

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This commit is contained in:
Thomas Harte 2019-06-27 23:05:00 -04:00
parent d81053ea38
commit 5d0db2198c
1 changed files with 110 additions and 3 deletions
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113
OSBindings/Mac/Clock SignalTests/68000Tests.mm
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@ -548,10 +548,10 @@ class CPU::MC68000::ProcessorStorageTests {
// XCTAssert(!falseInvalids.count, "%@ opcodes should be valid but aren't: %@", @(falseInvalids.count), falseInvalids.hexDump);
}
// MARK: - Portable 68k tests
// MARK: - Portable 68k tests (mostly)
// Tests below this line were ported from those of the Portable 68k package.
// That emulator does not include a licence. It reports that all tests were
// Tests below this line were overwhelmingly ported from those of the Portable 68k
// package. That emulator does not include a licence. It reports that all tests were
// verified against an Amiga.
//
// Cf. https://sourceforge.net/projects/portable68000/
@ -1613,6 +1613,32 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(*_machine->ram_at(0x3000), 0x3800);
}
// MARK: BRA
- (void)testBRAb {
_machine->set_program({
0x6004 // BRA.b +4
});
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.program_counter, 0x1006 + 4);
XCTAssertEqual(_machine->get_cycle_count(), 10);
}
- (void)testBRAw {
_machine->set_program({
0x6000, 0x0004 // BRA.b +4
});
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.program_counter, 0x1006 + 4);
XCTAssertEqual(_machine->get_cycle_count(), 10);
}
// MARK: BSET
- (void)performBSETD0D1:(uint32_t)d1 {
@ -2573,6 +2599,24 @@ class CPU::MC68000::ProcessorStorageTests {
// Omitted: divide by zero test.
// MARK: EORI to CCR
- (void)testEORICCR {
_machine->set_program({
0x0a3c, 0x001b // EORI.b #$1b, CCR
});
auto state = _machine->get_processor_state();
state.status |= 0xc;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.status & Flag::ConditionCodes, 0xc ^ 0x1b);
XCTAssertEqual(20, _machine->get_cycle_count());
}
// MARK: EXG
- (void)testEXG_D1D2 {
@ -4189,6 +4233,24 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(24, _machine->get_cycle_count());
}
// MARK: ORI to CCR
- (void)testORICCR {
_machine->set_program({
0x003c, 0x001b // ORI.b #$1b, CCR
});
auto state = _machine->get_processor_state();
state.status |= 0xc;
_machine->set_processor_state(state);
_machine->run_for_instructions(1);
state = _machine->get_processor_state();
XCTAssertEqual(state.status & Flag::ConditionCodes, 0xc | 0x1b);
XCTAssertEqual(20, _machine->get_cycle_count());
}
// MARK: PEA
- (void)testPEA_A1 {
@ -4210,6 +4272,36 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(12, _machine->get_cycle_count());
}
- (void)testPEA_A7 {
_machine->set_program({
0x4857 // PEA (A7)
});
_machine->set_initial_stack_pointer(0x1012);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.stack_pointer(), 0x100e);
XCTAssertEqual(*_machine->ram_at(0x1010), 0x1012);
XCTAssertEqual(*_machine->ram_at(0x1008), 0x0000);
XCTAssertEqual(12, _machine->get_cycle_count());
}
- (void)testPEA_4A7 {
_machine->set_program({
0x486f, 0x0004 // PEA 4(A7)
});
_machine->set_initial_stack_pointer(0x1012);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.stack_pointer(), 0x100e);
XCTAssertEqual(*_machine->ram_at(0x1010), 0x1016);
XCTAssertEqual(*_machine->ram_at(0x1008), 0x0000);
XCTAssertEqual(16, _machine->get_cycle_count());
}
- (void)testPEA_XXXw {
_machine->set_program({
0x4878, 0x3000 // PEA ($3000).w
@ -4225,6 +4317,21 @@ class CPU::MC68000::ProcessorStorageTests {
XCTAssertEqual(16, _machine->get_cycle_count());
}
- (void)testPEA_XXXl {
_machine->set_program({
0x4879, 0x1234, 0x5678 // PEA ($12345678)
});
_machine->set_initial_stack_pointer(0x1996);
_machine->run_for_instructions(1);
const auto state = _machine->get_processor_state();
XCTAssertEqual(state.stack_pointer(), 0x1992);
XCTAssertEqual(*_machine->ram_at(0x1992), 0x1234);
XCTAssertEqual(*_machine->ram_at(0x1994), 0x5678);
XCTAssertEqual(20, _machine->get_cycle_count());
}
// MARK: ROL
- (void)testROLb_8 {