// // 68000Bitwise.m // Clock SignalTests // // Created by Thomas Harte on 28/06/2019. // // Largely ported from the tests of the Portable 68k Emulator. // #import #include "TestRunner68000.hpp" @interface M68000BitwiseTests : XCTestCase @end @implementation M68000BitwiseTests { std::unique_ptr _machine; } - (void)setUp { _machine = std::make_unique(); } - (void)tearDown { _machine.reset(); } // MARK: AND - (void)testANDb_Dn { _machine->set_program({ 0xc604 // AND.b D4, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54ff7856; state.registers.data[4] = 0x9853abcd; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff7844); XCTAssertEqual(state.registers.data[4], 0x9853abcd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 4); } - (void)testANDw_Dn { _machine->set_program({ 0xc644 // AND.w D4, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[4] = 0x9853fbcd; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff844); XCTAssertEqual(state.registers.data[4], 0x9853fbcd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Negative); XCTAssertEqual(_machine->get_cycle_count(), 4); } - (void)testANDl_Dn { _machine->set_program({ 0xc684 // AND.l D4, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[4] = 0x9853fbcd; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x1053f844); XCTAssertEqual(state.registers.data[4], 0x9853fbcd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)performANDx_Ind:(uint16_t)opcode { _machine->set_program({ opcode }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x0053; *_machine->ram_at(0x3002) = 0xfb00; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x0053); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb00); XCTAssertEqual(state.registers.address[4], 0x3000); } - (void)testANDb_Ind { [self performANDx_Ind:0xc614]; // AND.b (A4), D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff800); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testANDw_Ind { [self performANDx_Ind:0xc654]; // AND.w (A4), D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff0052); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testANDl_Ind { [self performANDx_Ind:0xc694]; // AND.l (A4), D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x0053f800); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 14); } - (void)performANDx_PostInc:(uint16_t)opcode { _machine->set_program({ opcode // AND.B (A4)+, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x0053; *_machine->ram_at(0x3002) = 0xfb00; _machine->set_processor_state(state); _machine->run_for_instructions(1); } - (void)testANDb_PostInc_A4 { [self performANDx_PostInc:0xc61c]; // AND.B (A4)+, D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff800); XCTAssertEqual(state.registers.address[4], 0x3001); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testANDb_PostInc_A7 { _machine->set_program({ 0xc61f // AND.B (A7)+, D3 }, 0x3000); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; *_machine->ram_at(0x3000) = 0x0053; *_machine->ram_at(0x3002) = 0xfb00; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff800); XCTAssertEqual(state.registers.stack_pointer(), 0x3002); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testANDw_PostInc_A4 { [self performANDx_PostInc:0xc65c]; // AND.w (A4)+, D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff0052); XCTAssertEqual(state.registers.address[4], 0x3002); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testANDl_PostInc_A4 { [self performANDx_PostInc:0xc69c]; // AND.l (A4)+, D3 const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x0053f800); XCTAssertEqual(state.registers.address[4], 0x3004); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 14); } // Omitted: address error test. - (void)testANDl_PreDec { _machine->set_program({ 0xc6a4 // AND.l -(A4), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3004; *_machine->ram_at(0x3000) = 0x0053; *_machine->ram_at(0x3002) = 0xfb00; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x0053); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb00); XCTAssertEqual(state.registers.address[4], 0x3000); XCTAssertEqual(state.registers.data[3], 0x0053f800); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(16, _machine->get_cycle_count()); } - (void)testANDl_d16An { _machine->set_program({ 0xc6ac, 0xfffa // AND.l -6(A4), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3006; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.address[4], 0x3006); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(18, _machine->get_cycle_count()); } - (void)testANDl_d8AnDnw_positive { _machine->set_program({ 0xc6b4, 0x6006 // AND.l 6(A4, D6.W), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[6] = 0xfffffffd; state.registers.address[4] = 0x2ffd; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.address[4], 0x2ffd); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.data[6], 0xfffffffd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDl_d8AnDnw_negative { _machine->set_program({ 0xc6b4, 0x60fe // AND.l -2(A4, D6.W), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[6] = 0xf001fffd; state.registers.address[4] = 0x3005; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.address[4], 0x3005); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.data[6], 0xf001fffd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDl_d8AnDnl { _machine->set_program({ 0xc6b4, 0x6801 // AND.l 6(A4, D6.W), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[6] = 0xffffffff; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.address[4], 0x3000); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.data[6], 0xffffffff); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDl_XXXw { _machine->set_program({ 0xc6b8, 0x3000 // AND.l $3000.w, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(18, _machine->get_cycle_count()); } - (void)testANDl_XXXl { _machine->set_program({ 0xc6b9, 0x0001, 0x1170 // AND.L $11170.l, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; *_machine->ram_at(0x11170) = 0x1253; *_machine->ram_at(0x11172) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x11170), 0x1253); XCTAssertEqual(*_machine->ram_at(0x11172), 0xfb34); XCTAssertEqual(state.registers.data[3], 0x1053f814); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(22, _machine->get_cycle_count()); } - (void)testANDl_d16PC { _machine->set_program({ 0xc6ba, 0xfffa // AND.l -6(PC), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; *_machine->ram_at(0xffc) = 0x383c; *_machine->ram_at(0xffe) = 0x1234; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0xffc), 0x383c); XCTAssertEqual(*_machine->ram_at(0xffe), 0x1234); XCTAssertEqual(state.registers.data[3], 0x103c1014); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(18, _machine->get_cycle_count()); } - (void)testANDl_d8AnPC { _machine->set_program({ 0xc6bb, 0x10f6 // and.l -10(PC), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.data[1] = 4; *_machine->ram_at(0xffc) = 0x383c; *_machine->ram_at(0xffe) = 0x1234; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0xffc), 0x383c); XCTAssertEqual(*_machine->ram_at(0xffe), 0x1234); XCTAssertEqual(state.registers.data[3], 0x103c1014); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDb_Imm { _machine->set_program({ 0xc63c, 0x0034 // AND.b #$34, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff814); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(8, _machine->get_cycle_count()); } - (void)testANDw_Imm { _machine->set_program({ 0xc67c, 0x1234 // AND.w #$1234, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff1014); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(8, _machine->get_cycle_count()); } - (void)testANDl_Imm { _machine->set_program({ 0xc6bc, 0x3456, 0x1234 // AND.l #$34561234, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x14561014); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(16, _machine->get_cycle_count()); } - (void)testANDl_IndTarget { _machine->set_program({ 0xc794 // AND.l D3, (A4) }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb03; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x3000); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1053); XCTAssertEqual(*_machine->ram_at(0x3002), 0xf802); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDl_PostIncTarget { _machine->set_program({ 0xc79c // AND.l D3, (A4)+ }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb03; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x3004); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1053); XCTAssertEqual(*_machine->ram_at(0x3002), 0xf802); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDl_PreDecTarget { _machine->set_program({ 0xc7a4 // AND.l D3, -(A4) }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x2ffc) = 0x1253; *_machine->ram_at(0x2ffe) = 0xfb03; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x2ffc); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x2ffc), 0x1053); XCTAssertEqual(*_machine->ram_at(0x2ffe), 0xf802); XCTAssertEqual(22, _machine->get_cycle_count()); } - (void)testANDl_d16AnTarget { _machine->set_program({ 0xc7ac, 0x0002 // AND.l D3, 2(A4) }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3002) = 0x1253; *_machine->ram_at(0x3004) = 0xfb03; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x3000); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3002), 0x1053); XCTAssertEqual(*_machine->ram_at(0x3004), 0xf802); XCTAssertEqual(24, _machine->get_cycle_count()); } - (void)testANDl_xxxWTarget { _machine->set_program({ 0xc7b8, 0x3000 // AND.l D3, ($3000).w }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3000; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb03; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x3000); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1053); XCTAssertEqual(*_machine->ram_at(0x3002), 0xf802); XCTAssertEqual(24, _machine->get_cycle_count()); } // MARK: BCHG - (void)performBCHGD0D1:(uint32_t)d1 { _machine->set_program({ 0x0340 // BCHG D1, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; state.registers.data[1] = d1; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); } - (void)testBCHG_D0D1_0 { [self performBCHGD0D1:0]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345679); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 6); } - (void)testBCHG_D0D1_10 { [self performBCHGD0D1:10]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345278); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 6); } - (void)testBCHG_D0D1_48 { [self performBCHGD0D1:48]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12355678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)performBCHGD1Ind:(uint32_t)d1 { _machine->set_program({ 0x0350 // BCHG D1, (A0) }); auto state = _machine->get_processor_state(); state.registers.address[0] = 0x3000; state.registers.data[1] = d1; *_machine->ram_at(0x3000) = 0x7800; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); XCTAssertEqual(state.registers.address[0], 0x3000); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBCHG_D1Ind_48 { [self performBCHGD1Ind:48]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7900); } - (void)testBCHG_D1Ind_7 { [self performBCHGD1Ind:7]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(*_machine->ram_at(0x3000), 0xf800); } - (void)performBCHGImm:(uint16_t)immediate { _machine->set_program({ 0x0840, immediate // BCHG #, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); } - (void)testBCHG_Imm_31 { [self performBCHGImm:31]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x92345678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBCHG_Imm_4 { [self performBCHGImm:4]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345668); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 10); } - (void)testBCHG_ImmWWWx { _machine->set_program({ 0x0878, 0x0006, 0x3000 // BCHG #6, ($3000).W }); *_machine->ram_at(0x3000) = 0x7800; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 20); XCTAssertEqual(*_machine->ram_at(0x3000), 0x3800); } // MARK: BCLR - (void)performBCLRD0D1:(uint32_t)d1 { _machine->set_program({ 0x0380 // BCLR D1, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; state.registers.data[1] = d1; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); } - (void)testBCLR_D0D1_0 { [self performBCLRD0D1:0]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testBCLR_D0D1_10 { [self performBCLRD0D1:10]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345278); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)testBCLR_D0D1_50 { [self performBCLRD0D1:50]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12305678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 10); } - (void)performBCLRD1Ind:(uint32_t)d1 { _machine->set_program({ 0x0390 // BCLR D1, (A0) }); auto state = _machine->get_processor_state(); state.registers.address[0] = 0x3000; state.registers.data[1] = d1; *_machine->ram_at(0x3000) = 0x7800; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); XCTAssertEqual(state.registers.address[0], 0x3000); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBCLR_D1Ind_50 { [self performBCLRD1Ind:50]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800); } - (void)testBCLR_D1Ind_3 { [self performBCLRD1Ind:3]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7000); } - (void)performBCLRImm:(uint16_t)immediate { _machine->set_program({ 0x0880, immediate // BCLR #, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); } - (void)testBCLR_Imm_28 { [self performBCLRImm:28]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x02345678); XCTAssertEqual(_machine->get_cycle_count(), 14); } - (void)testBCLR_Imm_4 { [self performBCLRImm:4]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345668); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBCLR_ImmWWWx { _machine->set_program({ 0x08b8, 0x0006, 0x3000 // BCLR #6, ($3000).W }); *_machine->ram_at(0x3000) = 0x7800; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 20); XCTAssertEqual(*_machine->ram_at(0x3000), 0x3800); } // MARK: BSET - (void)performBSETD0D1:(uint32_t)d1 { _machine->set_program({ 0x03c0 // BSET D1, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; state.registers.data[1] = d1; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); } - (void)testBSET_D0D1_0 { [self performBSETD0D1:0]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345679); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 6); } - (void)testBSET_D0D1_10 { [self performBSETD0D1:10]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 6); } - (void)testBSET_D0D1_49 { [self performBSETD0D1:49]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12365678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 8); } - (void)performBSETD1Ind:(uint32_t)d1 { _machine->set_program({ 0x03d0 // BSET D1, (A0) }); auto state = _machine->get_processor_state(); state.registers.address[0] = 0x3000; state.registers.data[1] = d1; *_machine->ram_at(0x3000) = 0x7800; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); XCTAssertEqual(state.registers.address[0], 0x3000); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBSET_D1Ind_50 { [self performBSETD1Ind:50]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7c00); } - (void)testBSET_D1Ind_3 { [self performBSETD1Ind:3]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800); } - (void)performBSETImm:(uint16_t)immediate { _machine->set_program({ 0x08c0, immediate // BSET #, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); } - (void)testBSET_Imm_28 { [self performBSETImm:28]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345678); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 12); } - (void)testBSET_Imm_2 { [self performBSETImm:2]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x1234567c); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(_machine->get_cycle_count(), 10); } - (void)testBSET_ImmWWWx { _machine->set_program({ 0x08f8, 0x0006, 0x3000 // BSET #6, ($3000).W }); *_machine->ram_at(0x3000) = 0x7800; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 20); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800); } // MARK: BTST - (void)performBTSTD0D1:(uint32_t)d1 { _machine->set_program({ 0x0300 // BTST D1, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; state.registers.data[1] = d1; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345678); XCTAssertEqual(state.registers.data[1], d1); XCTAssertEqual(6, _machine->get_cycle_count()); } - (void)testBTST_D0D1_0 { [self performBTSTD0D1:0]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); } - (void)testBTST_D0D1_10 { [self performBTSTD0D1:10]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); } - (void)testBTST_D0D1_49 { [self performBTSTD0D1:49]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); } - (void)performBTSTD1Ind:(uint32_t)d1 { _machine->set_program({ 0x0310 // BTST D1, (A0) }); auto state = _machine->get_processor_state(); state.registers.address[0] = 0x3000; state.registers.data[1] = d1; *_machine->ram_at(0x3000) = 0x7800; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], d1); XCTAssertEqual(state.registers.address[0], 0x3000); XCTAssertEqual(8, _machine->get_cycle_count()); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800); } - (void)testBTST_D1Ind_50 { [self performBTSTD1Ind:50]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); } - (void)testBTST_D1Ind_3 { [self performBTSTD1Ind:3]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); } - (void)performBTSTImm:(uint16_t)immediate { _machine->set_program({ 0x0800, immediate // BTST #, D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345678); XCTAssertEqual(10, _machine->get_cycle_count()); } - (void)testBTST_Imm_28 { [self performBTSTImm:28]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); } - (void)testBTST_Imm_2 { [self performBTSTImm:2]; const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); } - (void)testBTST_ImmWWWx { _machine->set_program({ 0x0838, 0x0006, 0x3000 // BTST #6, ($3000).W }); *_machine->ram_at(0x3000) = 0x7800; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(_machine->get_cycle_count(), 16); XCTAssertEqual(*_machine->ram_at(0x3000), 0x7800); } // MARK: - // MARK: ANDI - (void)testANDIb { _machine->set_program({ 0x0201, 0x0012 // ANDI.B #$12, D1 }); auto state = _machine->get_processor_state(); state.registers.data[1] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], 0x12345610); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(8, _machine->get_cycle_count()); } - (void)testANDIl { _machine->set_program({ 0x02b8, 0xffff, 0x0000, 0x3000 // ANDI.L #$ffff0000, ($3000).W }); *_machine->ram_at(0x3000) = 0x0000; *_machine->ram_at(0x3002) = 0xffff; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x0000); XCTAssertEqual(*_machine->ram_at(0x3002), 0x0000); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Zero); XCTAssertEqual(32, _machine->get_cycle_count()); } // MARK: ANDI CCR - (void)testANDICCR { _machine->set_program({ 0x023c, 0x001b // ANDI.b #$1b, CCR }); auto state = _machine->get_processor_state(); state.registers.status |= 0xc; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0xc & 0x1b); XCTAssertEqual(20, _machine->get_cycle_count()); } // MARK: ANDI SR - (void)testANDISR_supervisor { _machine->set_program({ 0x027c, 0x0700 // ANDI.W #$700, SR }, 300); _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.program_counter, 0x1004 + 4); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testANDISR_user { _machine->set_program({ 0x46fc, 0x0000, // MOVE 0, SR 0x027c, 0x0700 // ANDI.W #$700, SR }); _machine->run_for_instructions(2); const auto state = _machine->get_processor_state(); XCTAssertNotEqual(state.registers.program_counter, 0x1008 + 4); // XCTAssertEqual(34, _machine->get_cycle_count()); } // MARK: EOR - (void)testEORw { _machine->set_program({ 0xb744 // EOR.w D3, D4 }); auto state = _machine->get_processor_state(); state.registers.status |= ConditionCode::Extend | ConditionCode::Carry | ConditionCode::Overflow; state.registers.data[3] = 0x54ff0056; state.registers.data[4] = 0x9853abcd; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff0056); XCTAssertEqual(state.registers.data[4], 0x9853ab9b); XCTAssertEqual(4, _machine->get_cycle_count()); } - (void)testEORl { _machine->set_program({ 0xb792 // EOR.l D3, (A2) }); auto state = _machine->get_processor_state(); state.registers.address[2] = 0x3000; state.registers.data[3] = 0x54ff0056; *_machine->ram_at(0x3000) = 0x0f0f; *_machine->ram_at(0x3002) = 0x0f11; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff0056); XCTAssertEqual(state.registers.address[2], 0x3000); XCTAssertEqual(*_machine->ram_at(0x3000), 0x5bf0); XCTAssertEqual(*_machine->ram_at(0x3002), 0x0f47); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(20, _machine->get_cycle_count()); } // MARK: EORI - (void)testEORIb { _machine->set_program({ 0x0a01, 0x0012 // EORI.B #$12, D1 }); auto state = _machine->get_processor_state(); state.registers.data[1] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], 0x1234566a); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(8, _machine->get_cycle_count()); } - (void)testEORIl { _machine->set_program({ 0x0ab8, 0xffff, 0x0000, 0x3000 // EORI.L #$ffff0000, ($3000).W }); *_machine->ram_at(0x3000) = 0x0000; *_machine->ram_at(0x3002) = 0xffff; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0xffff); XCTAssertEqual(*_machine->ram_at(0x3002), 0xffff); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Negative); XCTAssertEqual(32, _machine->get_cycle_count()); } // MARK: EORI to CCR - (void)testEORICCR { _machine->set_program({ 0x0a3c, 0x001b // EORI.b #$1b, CCR }); auto state = _machine->get_processor_state(); state.registers.status |= 0xc; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0xc ^ 0x1b); XCTAssertEqual(20, _machine->get_cycle_count()); } // MARK: EORI to SR - (void)testEORISR_supervisor { _machine->set_program({ 0x0a7c, 0x0700 // EORI.W #$700, SR }, 300); _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.program_counter, 0x1004 + 4); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testEORISR_user { _machine->set_program({ 0x46fc, 0x0000, // MOVE 0, SR 0x0a7c, 0x0700 // EORI.W #$700, SR }); _machine->run_for_instructions(2); const auto state = _machine->get_processor_state(); XCTAssertNotEqual(state.registers.program_counter, 0x1008 + 4); // XCTAssertEqual(34, _machine->get_cycle_count()); } // MARK: NOT - (void)testNOTb { _machine->set_program({ 0x4600 // NOT.B D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x12345687); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Negative); XCTAssertEqual(4, _machine->get_cycle_count()); } - (void)testNOTw { _machine->set_program({ 0x4640 // NOT.w D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0x12340000; state.registers.status |= ConditionCode::AllConditions; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x1234ffff); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Negative | ConditionCode::Extend); XCTAssertEqual(4, _machine->get_cycle_count()); } - (void)testNOTl_Dn { _machine->set_program({ 0x4680 // NOT.l D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = 0xffffff00; state.registers.status |= ConditionCode::AllConditions; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[0], 0x000000ff); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Extend); XCTAssertEqual(6, _machine->get_cycle_count()); } - (void)testNOTl_XXXl { _machine->set_program({ 0x46b9, 0x0000, 0x3000 // NOT.L ($3000).L }); *_machine->ram_at(0x3000) = 0xf001; *_machine->ram_at(0x3002) = 0x2311; auto state = _machine->get_processor_state(); state.registers.status |= ConditionCode::Extend; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0x0ffe); XCTAssertEqual(*_machine->ram_at(0x3002), 0xdcee); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Extend); XCTAssertEqual(28, _machine->get_cycle_count()); } // MARK: OR - (void)testORb { _machine->set_program({ 0x8604 // OR.b D4, D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54ff0056; state.registers.data[4] = 0x9853abcd; state.registers.status |= ConditionCode::Extend | ConditionCode::Carry | ConditionCode::Overflow; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54ff00df); XCTAssertEqual(state.registers.data[4], 0x9853abcd); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Extend | ConditionCode::Negative); XCTAssertEqual(4, _machine->get_cycle_count()); } - (void)testORl_toDn { _machine->set_program({ 0x86ac, 0xfffa // OR.l -6(A4), D3 }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3006; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x56fffb76); XCTAssertEqual(state.registers.address[4], 0x3006); XCTAssertEqual(*_machine->ram_at(0x3000), 0x1253); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb34); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(18, _machine->get_cycle_count()); } - (void)testORl_fromDn { _machine->set_program({ 0x87ac, 0xfffa // OR.l D3, -6(A4) }); auto state = _machine->get_processor_state(); state.registers.data[3] = 0x54fff856; state.registers.address[4] = 0x3006; *_machine->ram_at(0x3000) = 0x1253; *_machine->ram_at(0x3002) = 0xfb34; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[3], 0x54fff856); XCTAssertEqual(state.registers.address[4], 0x3006); XCTAssertEqual(*_machine->ram_at(0x3000), 0x56ff); XCTAssertEqual(*_machine->ram_at(0x3002), 0xfb76); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(24, _machine->get_cycle_count()); } // MARK: ORI - (void)testORIb { _machine->set_program({ 0x0001, 0x0012 // ORI.B #$12, D1 }); auto state = _machine->get_processor_state(); state.registers.data[1] = 0x12345678; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.data[1], 0x1234567a); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0); XCTAssertEqual(8, _machine->get_cycle_count()); } - (void)testORIl { _machine->set_program({ 0x00b8, 0xffff, 0x0000, 0x3000 // ORI.L #$ffff0000, ($3000).W }); *_machine->ram_at(0x3000) = 0x0000; *_machine->ram_at(0x3002) = 0xffff; _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(*_machine->ram_at(0x3000), 0xffff); XCTAssertEqual(*_machine->ram_at(0x3002), 0xffff); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Negative); XCTAssertEqual(32, _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.registers.status |= 0xc; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, 0xc | 0x1b); XCTAssertEqual(20, _machine->get_cycle_count()); } // MARK: ORI to SR - (void)testORISR_supervisor { _machine->set_program({ 0x007c, 0x0700 // ORI.W #$700, SR }, 300); _machine->run_for_instructions(1); const auto state = _machine->get_processor_state(); XCTAssertEqual(state.registers.program_counter, 0x1004 + 4); XCTAssertEqual(20, _machine->get_cycle_count()); } - (void)testORISR_user { _machine->set_program({ 0x46fc, 0x0000, // MOVE 0, SR 0x007c, 0x0700 // ORI.W #$700, SR }); _machine->run_for_instructions(2); const auto state = _machine->get_processor_state(); XCTAssertNotEqual(state.registers.program_counter, 0x1008 + 4); // XCTAssertEqual(34, _machine->get_cycle_count()); } // MARK: TAS - (void)performTASDnd0:(uint32_t)d0 expectedCCR:(uint16_t)ccr { _machine->set_program({ 0x4ac0 // TAS D0 }); auto state = _machine->get_processor_state(); state.registers.data[0] = d0; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ccr); XCTAssertEqual(4, _machine->get_cycle_count()); } - (void)testTAS_Dn_unset { [self performTASDnd0:0x12345678 expectedCCR:0]; } - (void)testTAS_Dn_set { [self performTASDnd0:0x123456f0 expectedCCR:ConditionCode::Negative]; } - (void)testTAS_XXXl { _machine->set_program({ 0x4af9, 0x0000, 0x3000 // TAS ($3000).l }); *_machine->ram_at(0x3000) = 0x1100; auto state = _machine->get_processor_state(); state.registers.status |= ConditionCode::AllConditions; _machine->set_processor_state(state); _machine->run_for_instructions(1); state = _machine->get_processor_state(); XCTAssertEqual(state.registers.status & ConditionCode::AllConditions, ConditionCode::Extend); XCTAssertEqual(*_machine->ram_at(0x3000), 0x9100); XCTAssertEqual(22, _machine->get_cycle_count()); } @end