Merge branch 'master' into pygame

This commit is contained in:
James Tauber 2011-08-13 04:00:56 -04:00
commit d11aff5416
2 changed files with 23 additions and 16 deletions

View File

@ -126,6 +126,10 @@ class RAM:
self.end = start + size - 1 self.end = start + size - 1
self.__mem = [0x00] * size self.__mem = [0x00] * size
def load(self, address, data):
for offset, datum in enumerate(data):
self.__mem[address - self.start + offset] = datum
def read_byte(self, address): def read_byte(self, address):
assert self.start <= address <= self.end assert self.start <= address <= self.end
return self.__mem[address - self.start] return self.__mem[address - self.start]
@ -180,7 +184,11 @@ class Memory:
self.ram = RAM(0x0000, 0xC000) self.ram = RAM(0x0000, 0xC000)
self.softswitches = SoftSwitches() self.softswitches = SoftSwitches()
def load(self, address, data):
if address < 0xC000:
self.ram.load(address, data)
def read_byte(self, address): def read_byte(self, address):
if address < 0xC000: if address < 0xC000:
return self.ram.read_byte(address) return self.ram.read_byte(address)

View File

@ -5,7 +5,7 @@ from applepy import Memory, CPU
class TestMemory(unittest.TestCase): class TestMemory(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
def test_load(self): def test_load(self):
self.memory.load(0x1000, [0x01, 0x02, 0x03]) self.memory.load(0x1000, [0x01, 0x02, 0x03])
@ -25,7 +25,7 @@ class TestMemory(unittest.TestCase):
class TestLoadStoreOperations(unittest.TestCase): class TestLoadStoreOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
self.memory.load(0x1000, [0x00, 0x01, 0x7F, 0x80, 0xFF]) self.memory.load(0x1000, [0x00, 0x01, 0x7F, 0x80, 0xFF])
@ -114,7 +114,7 @@ class TestLoadStoreOperations(unittest.TestCase):
class TestRegisterTransferOperations(unittest.TestCase): class TestRegisterTransferOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_TAX(self): def test_TAX(self):
@ -189,7 +189,7 @@ class TestRegisterTransferOperations(unittest.TestCase):
class TestStackOperations(unittest.TestCase): class TestStackOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_TSX(self): def test_TSX(self):
@ -237,7 +237,7 @@ class TestStackOperations(unittest.TestCase):
class TestLogicalOperations(unittest.TestCase): class TestLogicalOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_AND(self): def test_AND(self):
@ -325,7 +325,7 @@ class TestLogicalOperations(unittest.TestCase):
class TestArithmeticOperations(unittest.TestCase): class TestArithmeticOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_ADC_without_BCD(self): def test_ADC_without_BCD(self):
@ -544,7 +544,7 @@ class TestArithmeticOperations(unittest.TestCase):
class TestIncrementDecrementOperations(unittest.TestCase): class TestIncrementDecrementOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_INC(self): def test_INC(self):
@ -653,7 +653,7 @@ class TestIncrementDecrementOperations(unittest.TestCase):
class TestShiftOperations(unittest.TestCase): class TestShiftOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_ASL(self): def test_ASL(self):
@ -760,7 +760,7 @@ class TestShiftOperations(unittest.TestCase):
class TestJumpCallOperations(unittest.TestCase): class TestJumpCallOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_JMP(self): def test_JMP(self):
@ -792,7 +792,7 @@ class TestJumpCallOperations(unittest.TestCase):
class TestBranchOperations(unittest.TestCase): class TestBranchOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_BCC(self): def test_BCC(self):
@ -879,7 +879,7 @@ class TestBranchOperations(unittest.TestCase):
class TestStatusFlagOperations(unittest.TestCase): class TestStatusFlagOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_CLC(self): def test_CLC(self):
@ -921,13 +921,12 @@ class TestStatusFlagOperations(unittest.TestCase):
class TestSystemFunctionOperations(unittest.TestCase): class TestSystemFunctionOperations(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_BRK(self): def test_BRK(self):
self.cpu.program_counter = 0x1000 self.cpu.program_counter = 0x1000
self.memory.write_byte(0xFFFE, 0x00) self.memory.rom.load(0xFFFE, [0x00, 0x20])
self.memory.write_byte(0xFFFF, 0x20)
status = self.cpu.status_as_byte() status = self.cpu.status_as_byte()
self.cpu.BRK() self.cpu.BRK()
self.assertEqual(self.cpu.program_counter, 0x2000) self.assertEqual(self.cpu.program_counter, 0x2000)
@ -952,7 +951,7 @@ class TestSystemFunctionOperations(unittest.TestCase):
class Test6502Bugs(unittest.TestCase): class Test6502Bugs(unittest.TestCase):
def setUp(self): def setUp(self):
self.memory = Memory(0x10000) self.memory = Memory()
self.cpu = CPU(self.memory) self.cpu = CPU(self.memory)
def test_zero_page_x(self): def test_zero_page_x(self):