本文整理汇总了Python中emupy6502.opcodes.OpCode.execute方法的典型用法代码示例。如果您正苦于以下问题:Python OpCode.execute方法的具体用法?Python OpCode.execute怎么用?Python OpCode.execute使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类emupy6502.opcodes.OpCode
的用法示例。
在下文中一共展示了OpCode.execute方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: run
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def run(self, cycles):
while cycles > 0:
opcode = self.memory_controller.read(self.pc)
self.registers.pc += 1
cycle_count = OpCode.execute(opcode, self.registers, self.memory_controller)
cycles = cycles - cycle_count
示例2: Cpu6502
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
class Cpu6502(object):
def __init__(self, memory_controller = None):
self.registers = Registers()
self.memory_controller = memory_controller
self.opcodes = OpCode()
def run(self, cycles):
while cycles > 0:
opcode = self.memory_controller.read(self.pc)
self.registers.pc += 1
cycle_count = OpCode.execute(opcode, self.registers, self.memory_controller)
cycles = cycles - cycle_count
def run_until_signalled(self, signal):
memory_controller = self.memory_controller
self.total_cycles = 0
while not signal():
opcode = memory_controller.read(self.registers.pc)
self.registers.pc += 1
self.total_cycles += self.opcodes.execute(opcode, self.registers, self.memory_controller)
return self.total_cycles
示例3: test_execute_asl_accumulator_negative
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_asl_accumulator_negative(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = -3
mock_memory_controller = Mock()
# we're mocking 0x0A 0x21
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x0A, registers, mock_memory_controller)
self.assertEqual(count, 2)
mock_memory_controller.read.assert_not_called()
self.assertEqual(registers.pc, 1)
self.assertEqual(registers.accumulator, 0xfa)
self.assertFalse(registers.zero_flag)
self.assertTrue(registers.carry_flag)
self.assertTrue(registers.negative_flag)
示例4: test_execute_asl_zeropage
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_asl_zeropage(self):
opcode = OpCode()
registers = Registers()
mock_memory_controller = Mock()
# we're mocking 0x06 0x30
mock_memory_controller.read.side_effect = [0x30, 0x20]
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x06, registers, mock_memory_controller)
self.assertEqual(count, 5)
self.assertEqual(mock_memory_controller.read.call_count, 2)
self.assertEqual(mock_memory_controller.read.call_args_list[0], unittest.mock.call(1))
mock_memory_controller.write.assert_called_with(0x30, 0x40)
self.assertEqual(registers.pc, 2)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.carry_flag)
self.assertFalse(registers.negative_flag)
示例5: test_execute_sbc_immediate_borrow_in_no_borrow_out_overflow_positive_result
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_sbc_immediate_borrow_in_no_borrow_out_overflow_positive_result(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 0xd0 #start with negative acc this time
with patch.object(MemoryController, 'read') as mock_memory_controller:
# Mocking 0xE9 0x70 so subtracting 0xd0 - 0x70 (-48 - 112 = 96 (overflow))
mock_memory_controller.read.return_value = 0x70
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0xE9, registers, mock_memory_controller)
self.assertEqual(count, 2)
self.assertEqual(registers.accumulator, 0x5f)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.negative_flag)
self.assertTrue(registers.carry_flag)
self.assertTrue(registers.overflow_flag)
示例6: execute_adc_should_set_carry
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def execute_adc_should_set_carry(self, actual_opcode, expected_clocks):
opcode = OpCode()
registers = Registers()
registers.accumulator = 1
registers.zero_flag = False
registers.negative_flag = True
with patch.object(MemoryController, 'read') as mock_memory_controller:
mock_memory_controller.read.return_value = 0xff
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(actual_opcode, registers, mock_memory_controller)
self.assertEqual(count, expected_clocks)
self.assertTrue(registers.accumulator == 0)
self.assertTrue(registers.zero_flag)
self.assertFalse(registers.negative_flag)
self.assertTrue(registers.carry_flag)
示例7: test_execute_rol_absolute_carry_clear_sign_clear
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_rol_absolute_carry_clear_sign_clear(self):
opcode = OpCode()
registers = Registers()
mock_memory_controller = Mock()
mock_memory_controller.read.side_effect = [0x00, 0x30, 3]
# we're mocking 0x2E 0x30 and [0x3000] = 3
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x2E, registers, mock_memory_controller)
self.assertEqual(count, 6)
self.assertEqual(mock_memory_controller.read.call_count, 3)
mock_memory_controller.write.assert_called_with(0x3000, 6)
self.assertEqual(registers.pc, 3)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.carry_flag)
self.assertFalse(registers.negative_flag)
示例8: test_execute_rol_zeropage_carry_clear_sign_set
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_rol_zeropage_carry_clear_sign_set(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 0xc0
mock_memory_controller = Mock()
mock_memory_controller.read.side_effect = [0x30, 0xc0]
# we're mocking 0x26 0x30 and [0x30] = 0xc0
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x26, registers, mock_memory_controller)
self.assertEqual(count, 5)
mock_memory_controller.write.assert_called_with(0x30, 0x80)
self.assertEqual(registers.pc, 2)
self.assertFalse(registers.zero_flag)
self.assertTrue(registers.carry_flag)
self.assertTrue(registers.negative_flag)
示例9: test_execute_rol_accumulator_carry_set_sign_clear
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_rol_accumulator_carry_set_sign_clear(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 3
registers.carry_flag = True
mock_memory_controller = Mock()
# we're mocking 0x2A
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x2A, registers, mock_memory_controller)
self.assertEqual(count, 2)
mock_memory_controller.read.assert_not_called()
self.assertEqual(registers.pc, 1)
self.assertEqual(registers.accumulator, 7)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.carry_flag)
self.assertFalse(registers.negative_flag)
示例10: test_execute_sbc_immediate_no_borrow_in_borrow_out_overflow_negative_result
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_sbc_immediate_no_borrow_in_borrow_out_overflow_negative_result(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 0x50
registers.carry_flag = True
with patch.object(MemoryController, 'read') as mock_memory_controller:
# Mocking 0xE9 0xb0 so subtracting 0x50 - 0xb0 (80 - -80)
mock_memory_controller.read.return_value = 0xb0
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0xE9, registers, mock_memory_controller)
self.assertEqual(count, 2)
self.assertTrue(registers.accumulator == 0xa0)
self.assertFalse(registers.zero_flag)
self.assertTrue(registers.negative_flag)
self.assertFalse(registers.carry_flag)
self.assertTrue(registers.overflow_flag)
示例11: execute_sbc_borrow_in_borrow_out_no_overflow_positive_result
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def execute_sbc_borrow_in_borrow_out_no_overflow_positive_result(self, actual_opcode, expected_clocks, mock_memory_controller, **kwargs):
opcode = OpCode()
registers = Registers()
setattr(registers,'accumulator',0x50)
if kwargs:
for arg in kwargs:
setattr(registers, arg, kwargs[arg])
# Mocking 0x150 - 0xf0 (borrow 'in')
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(actual_opcode, registers, mock_memory_controller)
self.assertEqual(count, expected_clocks)
self.assertEqual(registers.accumulator, 0x5f)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.negative_flag)
self.assertFalse(registers.carry_flag)
self.assertFalse(registers.overflow_flag)
示例12: test_execute_adc_absolute
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_adc_absolute(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 5
registers.zero_flag = True
registers.negative_flag = True
with patch.object(MemoryController, 'read') as mock_memory_controller:
# we're mocking 0xb5 0x21 0x22 and value at [0x2221] = 1
mock_memory_controller.read.side_effect = [0x21, 0x22, 1]
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x6D, registers, mock_memory_controller)
self.assertEqual(count, 4)
self.assertTrue(registers.accumulator == 6)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.negative_flag)
self.assertFalse(registers.carry_flag)
示例13: test_execute_asl_absolute_x
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_asl_absolute_x(self):
opcode = OpCode()
registers = Registers()
registers.x_index = 3
mock_memory_controller = Mock()
# we're mocking 0x1E 0x2100 so write is to [0x2103]
mock_memory_controller.read.side_effect = [0, 0x21, 0xfe]
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x1E, registers, mock_memory_controller)
self.assertEqual(count, 7)
# these are checked more thoroughly in addressing_modes_tests
self.assertEqual(mock_memory_controller.read.call_count, 3)
mock_memory_controller.write.assert_called_with(0x2103, 0xfc)
self.assertEqual(registers.pc, 3)
self.assertFalse(registers.zero_flag)
self.assertTrue(registers.carry_flag)
self.assertTrue(registers.negative_flag)
示例14: test_execute_adc_indirect_indexed_y_page_boundary
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_adc_indirect_indexed_y_page_boundary(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 5
registers.y_index = 3
registers.zero_flag = True
registers.negative_flag = True
with patch.object(MemoryController, 'read') as mock_memory_controller:
# we're mocking 0x71 0x2a memory at 0x2a = [0x28, 0x40], [0x4101] = 3
mock_memory_controller.read.side_effect = [0x2a, 0xfe, 0x40, 3]
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x71, registers, mock_memory_controller)
self.assertEqual(count, 6)
self.assertEqual(mock_memory_controller.read.call_count, 4)
self.assertTrue(registers.accumulator == 8)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.negative_flag)
self.assertFalse(registers.carry_flag)
示例15: test_execute_asl_absolute
# 需要导入模块: from emupy6502.opcodes import OpCode [as 别名]
# 或者: from emupy6502.opcodes.OpCode import execute [as 别名]
def test_execute_asl_absolute(self):
opcode = OpCode()
registers = Registers()
registers.accumulator = 0x20
mock_memory_controller = Mock()
# we're mocking 0x0E 0x0 0x20 so store to [0x2000]
mock_memory_controller.read.side_effect = [0, 0x20, 0x21]
registers.pc += 1 #need to fake the cpu reading the opcode
count = opcode.execute(0x0E, registers, mock_memory_controller)
self.assertEqual(count, 6)
# these are checked more thoroughly in addressing_modes_tests
self.assertEqual(mock_memory_controller.read.call_count, 3)
self.assertEqual(mock_memory_controller.read.call_args_list[0], unittest.mock.call(1))
mock_memory_controller.write.assert_called_with(0x2000, 0x42)
self.assertEqual(registers.pc, 3)
self.assertFalse(registers.zero_flag)
self.assertFalse(registers.carry_flag)
self.assertFalse(registers.negative_flag)