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path: root/nandgame/assembler/disas_ins.py
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import sys

from disas import print_decoded

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print(f"Usage: {sys.argv[0]} [ins]")
        sys.exit(1)

    ins_hex = sys.argv[1]
    insb = bytes.fromhex(ins_hex)
    if (len(insb) != 2):
        print("Invalid instruction")
        sys.exit(1)
    ins = int.from_bytes(insb)
    raw_ins = f"{insb[0]:02x} {insb[1]:02x}"
    decoded_ins = print_decoded(ins, False)
    decoded_ins2 = print_decoded(ins, True)
    if decoded_ins == decoded_ins2:
        line = f"\t{raw_ins}\t{decoded_ins}"
    else:
        line = f"\t{raw_ins}\t{decoded_ins2:<25}; {decoded_ins}"
    print(line)