Python Memory.read_byte Exemples

Exemple #1

Fichier : tests.py Projet : carriercomm/applepy

class TestSystemFunctionOperations(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_BRK(self):
        self.cpu.program_counter = 0x1000
        self.memory.rom.load(0xFFFE, [0x00, 0x20])
        status = self.cpu.status_as_byte()
        self.cpu.BRK()
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.assertEqual(self.cpu.break_flag, 1)
        self.assertEqual(self.memory.read_byte(None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 1), status)
        self.assertEqual(self.memory.read_byte(None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 2), 0x01)
        self.assertEqual(self.memory.read_byte(None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 3), 0x10)

    def test_RTI(self):
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFF, 0x12)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFE, 0x33)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFD, 0x20)
        self.cpu.stack_pointer = 0xFC
        self.cpu.RTI()
        self.assertEqual(self.cpu.program_counter, 0x1233)
        self.assertEqual(self.cpu.status_as_byte(), 0x20)

    def test_NOP(self):
        self.cpu.NOP()

Exemple #2

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestSystemFunctionOperations(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_BRK(self):
        self.cpu.program_counter = 0x1000
        self.memory.rom.load(0xFFFE, [0x00, 0x20])
        status = self.cpu.status_as_byte()
        self.cpu.BRK()
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.assertEqual(self.cpu.break_flag, 1)
        self.assertEqual(
            self.memory.read_byte(
                None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 1),
            status)
        self.assertEqual(
            self.memory.read_byte(
                None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 2), 0x01)
        self.assertEqual(
            self.memory.read_byte(
                None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 3), 0x10)

    def test_RTI(self):
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFF, 0x12)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFE, 0x33)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFD, 0x20)
        self.cpu.stack_pointer = 0xFC
        self.cpu.RTI()
        self.assertEqual(self.cpu.program_counter, 0x1233)
        self.assertEqual(self.cpu.status_as_byte(), 0x20)

    def test_NOP(self):
        self.cpu.NOP()

Exemple #3

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestJumpCallOperations(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_JMP(self):
        self.cpu.JMP(0x1000)
        self.assertEqual(self.cpu.program_counter, 0x1000)

    def test_JSR(self):
        self.cpu.program_counter = 0x1000
        self.cpu.JSR(0x2000)
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.assertEqual(
            self.memory.read_byte(
                None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 1), 0xFF)
        self.assertEqual(
            self.memory.read_byte(
                None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 2), 0x0F)

    def test_RTS(self):
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFF, 0x12)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFE, 0x33)
        self.cpu.stack_pointer = 0xFD
        self.cpu.RTS()
        self.assertEqual(self.cpu.program_counter, 0x1234)

    def test_JSR_and_RTS(self):
        self.cpu.program_counter = 0x1000
        self.cpu.JSR(0x2000)
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.cpu.RTS()
        self.assertEqual(self.cpu.program_counter, 0x1000)  # @@@

Exemple #4

Fichier : tests.py Projet : carriercomm/applepy

class TestJumpCallOperations(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_JMP(self):
        self.cpu.JMP(0x1000)
        self.assertEqual(self.cpu.program_counter, 0x1000)

    def test_JSR(self):
        self.cpu.program_counter = 0x1000
        self.cpu.JSR(0x2000)
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.assertEqual(self.memory.read_byte(None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 1), 0xFF)
        self.assertEqual(self.memory.read_byte(None, self.cpu.STACK_PAGE + self.cpu.stack_pointer + 2), 0x0F)

    def test_RTS(self):
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFF, 0x12)
        self.memory.write_byte(None, self.cpu.STACK_PAGE + 0xFE, 0x33)
        self.cpu.stack_pointer = 0xFD
        self.cpu.RTS()
        self.assertEqual(self.cpu.program_counter, 0x1234)

    def test_JSR_and_RTS(self):
        self.cpu.program_counter = 0x1000
        self.cpu.JSR(0x2000)
        self.assertEqual(self.cpu.program_counter, 0x2000)
        self.cpu.RTS()
        self.assertEqual(self.cpu.program_counter, 0x1000)  # @@@

Exemple #5

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestMemory(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)

    def test_load(self):
        self.memory.load(0x1000, [0x01, 0x02, 0x03])
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.memory.read_byte(None, 0x1001), 0x02)
        self.assertEqual(self.memory.read_byte(None, 0x1002), 0x03)

    def test_write(self):
        self.memory.write_byte(None, 0x1000, 0x11)
        self.memory.write_byte(None, 0x1001, 0x12)
        self.memory.write_byte(None, 0x1002, 0x13)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x11)
        self.assertEqual(self.memory.read_byte(None, 0x1001), 0x12)
        self.assertEqual(self.memory.read_byte(None, 0x1002), 0x13)

Exemple #6

Fichier : tests.py Projet : carriercomm/applepy

class TestMemory(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)

    def test_load(self):
        self.memory.load(0x1000, [0x01, 0x02, 0x03])
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.memory.read_byte(None, 0x1001), 0x02)
        self.assertEqual(self.memory.read_byte(None, 0x1002), 0x03)

    def test_write(self):
        self.memory.write_byte(None, 0x1000, 0x11)
        self.memory.write_byte(None, 0x1001, 0x12)
        self.memory.write_byte(None, 0x1002, 0x13)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x11)
        self.assertEqual(self.memory.read_byte(None, 0x1001), 0x12)
        self.assertEqual(self.memory.read_byte(None, 0x1002), 0x13)

Exemple #7

Fichier : tests.py Projet : carriercomm/applepy

class TestShiftOperations(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_ASL(self):
        self.cpu.accumulator = 0x01
        self.cpu.ASL()
        self.assertEqual(self.cpu.accumulator, 0x02)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x02)
        self.cpu.ASL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x04)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)
        self.cpu.accumulator = 0x80
        self.cpu.ASL()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)

    def test_LSR(self):
        self.cpu.accumulator = 0x01
        self.cpu.LSR()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.LSR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.accumulator = 0x80
        self.cpu.LSR()
        self.assertEqual(self.cpu.accumulator, 0x40)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)

    def test_ROL(self):
        self.cpu.carry_flag = 0
        self.cpu.accumulator = 0x80
        self.cpu.ROL()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.cpu.accumulator = 0x80
        self.cpu.ROL()
        self.assertEqual(self.cpu.accumulator, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 0
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.ROL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.ROL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)

    def test_ROR(self):
        self.cpu.carry_flag = 0
        self.cpu.accumulator = 0x01
        self.cpu.ROR()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.cpu.accumulator = 0x01
        self.cpu.ROR()
        self.assertEqual(self.cpu.accumulator, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)  # @@@
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 0
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.ROR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.ROR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)  # @@@
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)

Exemple #8

Fichier : tests.py Projet : carriercomm/applepy

class TestIncrementDecrementOperations(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_INC(self):
        self.memory.write_byte(None, 0x1000, 0x00)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x7F)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0xFF)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_INX(self):
        self.cpu.x_index = 0x00
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0x7F
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0xFF
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_INY(self):
        self.cpu.y_index = 0x00
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0x7F
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0xFF
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_DEC(self):
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x00)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_DEX(self):
        self.cpu.x_index = 0x01
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.x_index = 0x80
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0x00
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_DEY(self):
        self.cpu.y_index = 0x01
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.y_index = 0x80
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0x00
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

Exemple #9

Fichier : tests.py Projet : carriercomm/applepy

class TestLoadStoreOperations(unittest.TestCase):

    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)
        self.memory.load(0x1000, [0x00, 0x01, 0x7F, 0x80, 0xFF])

    def test_LDA(self):
        self.cpu.LDA(0x1000)
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDA(0x1001)
        self.assertEqual(self.cpu.accumulator, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1002)
        self.assertEqual(self.cpu.accumulator, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1003)
        self.assertEqual(self.cpu.accumulator, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1004)
        self.assertEqual(self.cpu.accumulator, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_LDX(self):
        self.cpu.LDX(0x1000)
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDX(0x1001)
        self.assertEqual(self.cpu.x_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1002)
        self.assertEqual(self.cpu.x_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1003)
        self.assertEqual(self.cpu.x_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1004)
        self.assertEqual(self.cpu.x_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_LDY(self):
        self.cpu.LDY(0x1000)
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDY(0x1001)
        self.assertEqual(self.cpu.y_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1002)
        self.assertEqual(self.cpu.y_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1003)
        self.assertEqual(self.cpu.y_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1004)
        self.assertEqual(self.cpu.y_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_STA(self):
        self.cpu.accumulator = 0x37
        self.cpu.STA(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x37)

    def test_STX(self):
        self.cpu.x_index = 0x38
        self.cpu.STX(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x38)

    def test_STY(self):
        self.cpu.y_index = 0x39
        self.cpu.STY(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x39)

Exemple #10

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestShiftOperations(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_ASL(self):
        self.cpu.accumulator = 0x01
        self.cpu.ASL()
        self.assertEqual(self.cpu.accumulator, 0x02)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x02)
        self.cpu.ASL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x04)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)
        self.cpu.accumulator = 0x80
        self.cpu.ASL()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)

    def test_LSR(self):
        self.cpu.accumulator = 0x01
        self.cpu.LSR()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.LSR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.accumulator = 0x80
        self.cpu.LSR()
        self.assertEqual(self.cpu.accumulator, 0x40)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.assertEqual(self.cpu.carry_flag, 0)

    def test_ROL(self):
        self.cpu.carry_flag = 0
        self.cpu.accumulator = 0x80
        self.cpu.ROL()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.cpu.accumulator = 0x80
        self.cpu.ROL()
        self.assertEqual(self.cpu.accumulator, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 0
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.ROL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.ROL(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)

    def test_ROR(self):
        self.cpu.carry_flag = 0
        self.cpu.accumulator = 0x01
        self.cpu.ROR()
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.cpu.accumulator = 0x01
        self.cpu.ROR()
        self.assertEqual(self.cpu.accumulator, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)  # @@@
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 0
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.ROR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)
        self.cpu.carry_flag = 1
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.ROR(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)  # @@@
        self.assertEqual(self.cpu.zero_flag, 0)  # @@@
        self.assertEqual(self.cpu.carry_flag, 1)

Exemple #11

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestIncrementDecrementOperations(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)

    def test_INC(self):
        self.memory.write_byte(None, 0x1000, 0x00)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x7F)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0xFF)
        self.cpu.INC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_INX(self):
        self.cpu.x_index = 0x00
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0x7F
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0xFF
        self.cpu.INX()
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_INY(self):
        self.cpu.y_index = 0x00
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0x7F
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0xFF
        self.cpu.INY()
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)

    def test_DEC(self):
        self.memory.write_byte(None, 0x1000, 0x01)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.memory.write_byte(None, 0x1000, 0x80)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.memory.write_byte(None, 0x1000, 0x00)
        self.cpu.DEC(0x1000)
        self.assertEqual(self.memory.read_byte(None, 0x1000), 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_DEX(self):
        self.cpu.x_index = 0x01
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.x_index = 0x80
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.x_index = 0x00
        self.cpu.DEX()
        self.assertEqual(self.cpu.x_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_DEY(self):
        self.cpu.y_index = 0x01
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.y_index = 0x80
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.y_index = 0x00
        self.cpu.DEY()
        self.assertEqual(self.cpu.y_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

Exemple #12

Fichier : tests.py Projet : p-unity-lineage/applepy

class TestLoadStoreOperations(unittest.TestCase):
    def setUp(self):
        self.memory = Memory(use_bus=False)
        self.cpu = CPU(self.memory)
        self.memory.load(0x1000, [0x00, 0x01, 0x7F, 0x80, 0xFF])

    def test_LDA(self):
        self.cpu.LDA(0x1000)
        self.assertEqual(self.cpu.accumulator, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDA(0x1001)
        self.assertEqual(self.cpu.accumulator, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1002)
        self.assertEqual(self.cpu.accumulator, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1003)
        self.assertEqual(self.cpu.accumulator, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDA(0x1004)
        self.assertEqual(self.cpu.accumulator, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_LDX(self):
        self.cpu.LDX(0x1000)
        self.assertEqual(self.cpu.x_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDX(0x1001)
        self.assertEqual(self.cpu.x_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1002)
        self.assertEqual(self.cpu.x_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1003)
        self.assertEqual(self.cpu.x_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDX(0x1004)
        self.assertEqual(self.cpu.x_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_LDY(self):
        self.cpu.LDY(0x1000)
        self.assertEqual(self.cpu.y_index, 0x00)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 1)
        self.cpu.LDY(0x1001)
        self.assertEqual(self.cpu.y_index, 0x01)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1002)
        self.assertEqual(self.cpu.y_index, 0x7F)
        self.assertEqual(self.cpu.sign_flag, 0)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1003)
        self.assertEqual(self.cpu.y_index, 0x80)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)
        self.cpu.LDY(0x1004)
        self.assertEqual(self.cpu.y_index, 0xFF)
        self.assertEqual(self.cpu.sign_flag, 1)
        self.assertEqual(self.cpu.zero_flag, 0)

    def test_STA(self):
        self.cpu.accumulator = 0x37
        self.cpu.STA(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x37)

    def test_STX(self):
        self.cpu.x_index = 0x38
        self.cpu.STX(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x38)

    def test_STY(self):
        self.cpu.y_index = 0x39
        self.cpu.STY(0x2000)
        self.assertEqual(self.memory.read_byte(None, 0x2000), 0x39)