Python Cpu示例

示例#1

文件： test_cpu_set_instructions.py 项目： Hexadorsimal/pynes

class CpuSetInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        self.cpu = Cpu()

    def test_sec(self):
        instruction = self.cpu.decode(opcode=0x38)
        self.cpu.execute(instruction)
        self.assertTrue(self.cpu.p.c)

    def test_sed(self):
        instruction = self.cpu.decode(opcode=0xF8)
        self.cpu.execute(instruction)
        self.assertTrue(self.cpu.p.d)

    def test_sei(self):
        instruction = self.cpu.decode(opcode=0x78)
        self.cpu.execute(instruction)
        self.assertTrue(self.cpu.p.i)

示例#2

 def setUp(self):
     bus = Bus()
     bus.attach_device('RAM', Ram(256), 0, 256)
     self.cpu = Cpu(bus)
     self.cpu.write(0x0000, 0xff)

示例#3

class CpuLoadInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        bus = Bus()
        bus.attach_device('RAM', Ram(256), 0, 256)
        self.cpu = Cpu(bus)
        self.cpu.write(0x0000, 0xff)

    def test_lda(self):
        instruction = self.cpu.decode(0xAD)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.a.value, 0xFF)
        self.assertFalse(self.cpu.p.z)
        self.assertTrue(self.cpu.p.n)

    def test_ldx(self):
        instruction = self.cpu.decode(0xAE)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.x.value, 0xFF)
        self.assertFalse(self.cpu.p.z)
        self.assertTrue(self.cpu.p.n)

    def test_ldy(self):
        instruction = self.cpu.decode(0xAC)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.y.value, 0xFF)
        self.assertFalse(self.cpu.p.z)
        self.assertTrue(self.cpu.p.n)

示例#4

 def setUp(self):
     bus = Bus()
     bus.attach_device('RAM', Ram(256), 0, 256)
     self.cpu = Cpu(bus)

示例#5

class CpuDecrementInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        bus = Bus()
        bus.attach_device('RAM', Ram(256), 0, 256)
        self.cpu = Cpu(bus)

    def test_dec(self):
        self.cpu.write(0x0000, 0x01)
        instruction = self.cpu.decode(0xCE)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.read(0x0000), 0x00)
        self.assertTrue(self.cpu.p.z)
        self.assertFalse(self.cpu.p.n)

    def test_dex(self):
        self.cpu.x.value = 0x01
        instruction = self.cpu.decode(0xCA)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.x.value, 0x00)
        self.assertTrue(self.cpu.p.z)
        self.assertFalse(self.cpu.p.n)

    def test_dey(self):
        self.cpu.y.value = 0x01
        instruction = self.cpu.decode(0x88)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.y.value, 0x00)
        self.assertTrue(self.cpu.p.z)
        self.assertFalse(self.cpu.p.n)

示例#6

文件： test_cpu_set_instructions.py 项目： Hexadorsimal/pynes

 def setUp(self):
     self.cpu = Cpu()

示例#7

文件： test_cpu_transfer_instructions.py 项目： Hexadorsimal/pynes

 def setUp(self):
     bus = Bus()
     bus.attach_device('Stack Area', Ram(0x100), 0x100, 0x100)
     self.cpu = Cpu(bus)

示例#8

文件： test_cpu_transfer_instructions.py 项目： Hexadorsimal/pynes

class CpuTransferInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        bus = Bus()
        bus.attach_device('Stack Area', Ram(0x100), 0x100, 0x100)
        self.cpu = Cpu(bus)

    def test_tax(self):
        self.cpu.a.value = 3
        instruction = self.cpu.decode(0xAA)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.a.value, self.cpu.x.value)
        self.assertEqual(self.cpu.x.value, 3)

    def test_tay(self):
        self.cpu.a.value = 2
        instruction = self.cpu.decode(0xA8)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.a.value, self.cpu.y.value)
        self.assertEqual(self.cpu.y.value, 2)

    def test_txa(self):
        self.cpu.x.value = 10
        instruction = self.cpu.decode(0x8A)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.a.value, self.cpu.x.value)
        self.assertEqual(self.cpu.a.value, 10)

    def test_tya(self):
        self.cpu.y.value = 0xDD
        instruction = self.cpu.decode(0x98)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.a.value, self.cpu.y.value)
        self.assertEqual(self.cpu.a.value, 0xDD)

    def test_tsx(self):
        self.cpu.s.value = 0xFD
        instruction = self.cpu.decode(0xBA)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.x.value, 0xFD)

    def test_txs(self):
        self.cpu.x.value = 0xAA
        instruction = self.cpu.decode(0x9A)
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.s.value, 0xAA)

示例#9

文件： test_cpu_store_instructions.py 项目： Hexadorsimal/pynes

class CpuStoreInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        bus = Bus()
        bus.attach_device('RAM', Ram(256), 0, 256)
        self.cpu = Cpu(bus)
        self.cpu.write(0x0000, 0x00)

    def test_sta(self):
        self.cpu.a.value = 0xff
        instruction = self.cpu.decode(0x8D)
        instruction.parameter = 0x0000
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.read(0x0000), 0xff)

    def test_stx(self):
        self.cpu.x.value = 0xff
        instruction = self.cpu.decode(0x8E)
        instruction.parameter = 0x0000
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.read(0x0000), 0xff)

    def test_sty(self):
        self.cpu.y.value = 0xff
        instruction = self.cpu.decode(0x8C)
        instruction.parameter = 0x0000
        self.cpu.execute(instruction)
        self.assertEqual(self.cpu.read(0x0000), 0xff)

示例#10

文件： test_cpu_clear_instructions.py 项目： Hexadorsimal/pynes

class CpuClearInstructionsTestCase(unittest.TestCase):
    def setUp(self):
        self.cpu = Cpu()

    def test_clc(self):
        instruction = self.cpu.decode(opcode=0x18)
        self.cpu.execute(instruction)
        self.assertFalse(self.cpu.p.c)

    def test_cld(self):
        instruction = self.cpu.decode(opcode=0xD8)
        self.cpu.execute(instruction)
        self.assertFalse(self.cpu.p.d)

    def test_cli(self):
        instruction = self.cpu.decode(opcode=0x58)
        self.cpu.execute(instruction)
        self.assertFalse(self.cpu.p.i)

    def test_clv(self):
        instruction = self.cpu.decode(opcode=0xB8)
        self.cpu.execute(instruction)
        self.assertFalse(self.cpu.p.v)