class CartridgeTest(unittest.TestCase):
def setUp(self):
self.cart = Cartridge()
def tearDown(self):
self.cart = None
def test_inesprg_1(self):
self.cart.set_iNES_prg(1)
self.assertEquals(1, self.cart.inespgr)
def test_inesprg_2(self):
self.cart.set_iNES_prg(2)
self.assertEquals(2, self.cart.inespgr)
def test_ineschr(self):
self.cart.set_iNES_chr(1)
self.assertEquals(1, self.cart.ineschr)
def test_inesmap(self):
self.cart.set_iNES_map(1)
self.assertEquals(1, self.cart.inesmap)
def test_inesmir(self):
self.cart.set_iNES_mir(1)
self.assertEquals(1, self.cart.inesmir)
def test_bank_1(self):
self.cart.set_bank_id(0)
self.assertEquals(1, len(self.cart.banks))
def test_bank_2(self):
self.cart.set_bank_id(0)
self.cart.set_bank_id(1)
self.assertEquals(2, len(self.cart.banks))
def test_org_1(self):
self.cart.set_bank_id(0)
self.cart.set_org(0xc000)
self.assertEquals(0xc000, self.cart.banks[0]['start'])
def test_append_code(self):
code = [0x4e, 0x45, 0x53, 0x1a]
self.cart.append_code(code)
self.assertEquals(4, self.cart.pc)
self.assertEquals(code, self.cart.get_code())
def test_using_org_to_jump(self):
self.cart.set_bank_id(0)
self.cart.set_org(0xc000)
code = [0x4e, 0x45, 0x53, 0x1a]
self.cart.append_code(code)
self.cart.set_org(0xc000 + 8)
self.cart.append_code(code)
self.assertEquals(
[0x4e, 0x45, 0x53, 0x1a, 0xff, 0xff,
0xff, 0xff, 0x4e, 0x45, 0x53, 0x1a],
self.cart.get_code()
)
class CartridgeTest(unittest.TestCase):
def setUp(self):
self.cart = Cartridge()
def tearDown(self):
self.cart = None
def test_inesprg_1(self):
self.cart.set_iNES_prg(1)
self.assertEquals(1, self.cart.inespgr)
def test_inesprg_2(self):
self.cart.set_iNES_prg(2)
self.assertEquals(2, self.cart.inespgr)
def test_ineschr(self):
self.cart.set_iNES_chr(1)
self.assertEquals(1, self.cart.ineschr)
def test_inesmap(self):
self.cart.set_iNES_map(1)
self.assertEquals(1, self.cart.inesmap)
def test_inesmir(self):
self.cart.set_iNES_mir(1)
self.assertEquals(1, self.cart.inesmir)
def test_bank_1(self):
self.cart.set_bank_id(0)
self.assertEquals(1, len(self.cart.banks))
def test_bank_2(self):
self.cart.set_bank_id(0)
self.cart.set_bank_id(1)
self.assertEquals(2, len(self.cart.banks))
def test_org_1(self):
self.cart.set_bank_id(0)
self.cart.set_org(0xc000)
self.assertEquals(0xc000, self.cart.banks[0]['start'])
def test_append_code(self):
code = [0x4e, 0x45, 0x53, 0x1a]
self.cart.append_code(code)
self.assertEquals(4, self.cart.pc)
self.assertEquals(code, self.cart.get_code())
def test_using_org_to_jump(self):
self.cart.set_bank_id(0)
self.cart.set_org(0xc000)
code = [0x4e, 0x45, 0x53, 0x1a]
self.cart.append_code(code)
self.cart.set_org(0xc000 + 8)
self.cart.append_code(code)
self.assertEquals(
[0x4e, 0x45, 0x53, 0x1a, 0xff, 0xff, 0xff, 0xff, 0x4e, 0x45, 0x53, 0x1a],
self.cart.get_code()
)
def semantic(ast, iNES=False, cart=None):
if cart is None:
cart = Cartridge()
labels = get_labels(ast)
address = 0
# translate statments to opcode
for leaf in ast:
if leaf['type'] == 'S_RS':
labels[leaf['children'][0]['value']] = cart.rs
cart.rs += get_value(leaf['children'][2])
elif leaf['type'] == 'S_DIRECTIVE':
directive = leaf['children'][0]['value']
if len(leaf['children']) == 2:
argument = get_value(leaf['children'][1], labels)
else:
argument = leaf['children'][1:]
if directive in directive_list:
directive_list[directive](argument, cart)
else:
raise Exception('UNKNOW DIRECTIVE')
else:
if leaf['type'] in ['S_IMPLIED', 'S_ACCUMULATOR']:
instruction = leaf['children'][0]['value']
address = False
elif leaf['type'] == 'S_RELATIVE':
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][1], labels)
elif leaf['type'] == 'S_IMMEDIATE_WITH_MODIFIER':
instruction = leaf['children'][0]['value']
modifier = leaf['children'][1]['value']
address = get_value(leaf['children'][3], labels)
if modifier == '#LOW':
address = (address & 0x00ff)
elif modifier == '#HIGH':
address = (address & 0xff00) >> 8
elif leaf['type'] in [
'S_RELATIVE', 'S_IMMEDIATE', 'S_ZEROPAGE', 'S_ABSOLUTE',
'S_ZEROPAGE_X', 'S_ZEROPAGE_Y', 'S_ABSOLUTE_X',
'S_ABSOLUTE_Y'
]:
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][1], labels)
elif leaf['type'] in ['S_INDIRECT_X', 'S_INDIRECT_Y']:
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][2], labels)
address_mode = address_mode_def[leaf['type']]['short']
opcode = opcodes[instruction][address_mode]
if address_mode != 'sngl' and address_mode != 'acc':
if 'rel' == address_mode:
address = 126 + (address - cart.pc)
if address == 128:
address = 0
elif address < 128:
address = address | 0b10000000
elif address > 128:
address = address & 0b01111111
if address_mode_def[leaf['type']]['size'] == 2:
cart.append_code([opcode, address])
else:
arg1 = (address & 0x00ff)
arg2 = (address & 0xff00) >> 8
cart.append_code([opcode, arg1, arg2])
else:
cart.append_code([opcode])
# nes_code = []
if iNES:
return cart.get_ines_code()
else:
return cart.get_code()
def semantic(ast, iNES=False, cart=None ):
if cart == None:
cart = Cartridge()
labels = get_labels(ast)
address = 0
#translate statments to opcode
for leaf in ast:
if leaf['type'] == 'S_RS':
labels[leaf['children'][0]['value']] = cart.rs;
cart.rs += get_value(leaf['children'][2]);
elif leaf['type'] == 'S_DIRECTIVE':
directive = leaf['children'][0]['value']
if len(leaf['children']) == 2:
argument = get_value(leaf['children'][1], labels)
else:
argument = leaf['children'][1:]
if directive in directive_list:
directive_list[directive](argument, cart)
else:
raise Exception('UNKNOW DIRECTIVE')
else:
if leaf['type'] in ['S_IMPLIED', 'S_ACCUMULATOR']:
instruction = leaf['children'][0]['value']
address = False
elif leaf['type'] == 'S_RELATIVE':
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][1], labels)
elif leaf['type'] == 'S_IMMEDIATE_WITH_MODIFIER':
instruction = leaf['children'][0]['value']
modifier = leaf['children'][1]['value']
address = get_value(leaf['children'][3], labels);
if modifier == '#LOW':
address = (address & 0x00ff)
elif modifier == '#HIGH':
address = (address & 0xff00) >> 8;
elif leaf['type'] in [
'S_RELATIVE', 'S_IMMEDIATE', 'S_ZEROPAGE', 'S_ABSOLUTE',
'S_ZEROPAGE_X', 'S_ZEROPAGE_Y', 'S_ABSOLUTE_X', 'S_ABSOLUTE_Y']:
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][1], labels)
elif leaf['type'] in ['S_INDIRECT_X', 'S_INDIRECT_Y']:
instruction = leaf['children'][0]['value']
address = get_value(leaf['children'][2], labels)
address_mode = address_mode_def[leaf['type']]['short']
opcode = opcodes[instruction][address_mode]
if address_mode != 'sngl' and address_mode != 'acc':
if 'rel' == address_mode:
address = 126 + (address - cart.pc)
if address == 128:
address = 0
elif address < 128:
address = address | 0b10000000
elif address > 128:
address = address & 0b01111111
if address_mode_def[leaf['type']]['size'] == 2:
cart.append_code([opcode, address])
else:
arg1 = (address & 0x00ff)
arg2 = (address & 0xff00) >> 8
cart.append_code([opcode, arg1, arg2])
else:
cart.append_code([opcode])
nes_code = []
if iNES:
return cart.get_ines_code()
else:
return cart.get_code()
def semantic(ast, iNES=False, cart=None):
if cart is None:
cart = Cartridge()
labels = get_labels(ast)
address = 0
# translate statments to opcode
for leaf in ast:
if leaf["type"] == "S_RS":
labels[leaf["children"][0]["value"]] = cart.rs
cart.rs += get_value(leaf["children"][2])
elif leaf["type"] == "S_DIRECTIVE":
directive = leaf["children"][0]["value"]
if len(leaf["children"]) == 2:
argument = get_value(leaf["children"][1], labels)
else:
argument = leaf["children"][1:]
if directive in directive_list:
directive_list[directive](argument, cart)
else:
raise Exception("UNKNOW DIRECTIVE")
else:
if leaf["type"] in ["S_IMPLIED", "S_ACCUMULATOR"]:
instruction = leaf["children"][0]["value"]
address = False
elif leaf["type"] == "S_RELATIVE":
instruction = leaf["children"][0]["value"]
address = get_value(leaf["children"][1], labels)
elif leaf["type"] == "S_IMMEDIATE_WITH_MODIFIER":
instruction = leaf["children"][0]["value"]
modifier = leaf["children"][1]["value"]
address = get_value(leaf["children"][3], labels)
if modifier == "#LOW":
address = address & 0x00FF
elif modifier == "#HIGH":
address = (address & 0xFF00) >> 8
elif leaf["type"] in [
"S_RELATIVE",
"S_IMMEDIATE",
"S_ZEROPAGE",
"S_ABSOLUTE",
"S_ZEROPAGE_X",
"S_ZEROPAGE_Y",
"S_ABSOLUTE_X",
"S_ABSOLUTE_Y",
]:
instruction = leaf["children"][0]["value"]
address = get_value(leaf["children"][1], labels)
elif leaf["type"] in ["S_INDIRECT_X", "S_INDIRECT_Y"]:
instruction = leaf["children"][0]["value"]
address = get_value(leaf["children"][2], labels)
address_mode = address_mode_def[leaf["type"]]["short"]
opcode = opcodes[instruction][address_mode]
if address_mode != "sngl" and address_mode != "acc":
if "rel" == address_mode:
address = 126 + (address - cart.pc)
if address == 128:
address = 0
elif address < 128:
address = address | 0b10000000
elif address > 128:
address = address & 0b01111111
if address_mode_def[leaf["type"]]["size"] == 2:
cart.append_code([opcode, address])
else:
arg1 = address & 0x00FF
arg2 = (address & 0xFF00) >> 8
cart.append_code([opcode, arg1, arg2])
else:
cart.append_code([opcode])
# nes_code = []
if iNES:
return cart.get_ines_code()
else:
return cart.get_code()