def test_decode_operation(dasm: Disassembler) -> None:
rom_data = [0x12, 0x4E]
dasm.seed_rom_data(rom_data)
opcode = dasm.read_opcode()
operation = dasm.read_operation(opcode)
expect(hex(operation)).to(equal("0x1000"))
def test_decode_address(dasm: Disassembler) -> None:
rom_data = [0x12, 0x4E]
dasm.seed_rom_data(rom_data)
opcode = dasm.read_opcode()
address = dasm.read_address(opcode)
expect(hex(address)).to(equal("0x24e"))
def test_unable_to_decode(dasm: Disassembler) -> None:
rom_data = [0x99, 0x4E]
dasm.seed_rom_data(rom_data)
try:
dasm.decode()
except IndexError:
pass
def cli(rom_file: str, insight: bool) -> None:
"""Disassemble ROM_FILE.
ROM_FILE is the rom binary file to load.
"""
click.echo("ROM File: ", nl=False)
click.secho(f"{os.path.basename(rom_file)}", fg="green", bold=True)
dasm = Disassembler(rom_file, insight)
assert isinstance(dasm.rom_data, bytearray)
dasm.decode()
writer = Writer(dasm)
writer.generate()
def test_no_opcode(dasm: Disassembler) -> None:
rom_data = [0x99, 0x4E]
dasm.seed_rom_data(rom_data)
opcode = dasm.read_opcode()
operation = dasm.read_operation(opcode)
address = dasm.read_address(opcode)
dasm.add_to_disassembly(operation, address)
def dasm() -> Disassembler:
return Disassembler()
def test_Dxyn(dasm: Disassembler) -> None:
rom_data = [0xD3, 0x47]
dasm.seed_rom_data(rom_data)
dasm.decode()
expect(dasm.disassembly).to(equal({0x200: "DRW V3, V4, 0x07"}))
def test_Annn(dasm: Disassembler) -> None:
rom_data = [0xA2, 0x02]
dasm.seed_rom_data(rom_data)
dasm.decode()
expect(dasm.disassembly).to(equal({0x200: "LD I, lbl_0x0202"}))
def test_6xkk(dasm: Disassembler) -> None:
rom_data = [0x67, 0x03]
dasm.seed_rom_data(rom_data)
dasm.decode()
expect(dasm.disassembly).to(equal({0x200: "LD V7, 0x03"}))
def test_3xkk(dasm: Disassembler) -> None:
rom_data = [0x32, 0x0A]
dasm.seed_rom_data(rom_data)
dasm.decode()
expect(dasm.disassembly).to(equal({0x200: "SE V2, 0x0a"}))
def test_1nnn(dasm: Disassembler) -> None:
rom_data = [0x12, 0x4E]
dasm.seed_rom_data(rom_data)
dasm.decode()
expect(dasm.disassembly).to(equal({0x200: "JP lbl_0x024e"}))