import struct, os, sys

BIN_PATH = r'k:\ghidra\Crusader_Decomp\NE_segments\seg001_code_off_37600_len_8400.bin'
TARGET = 0x265B

with open(BIN_PATH, 'rb') as f:
    f.seek(TARGET - 0x200)
    data = f.read(0x280)

try:
    import capstone
    md = capstone.Cs(capstone.CS_ARCH_X86, capstone.CS_MODE_16)
    for ins in md.disasm(data, TARGET - 0x200):
        print('  0x%04x: %s %s' % (ins.address, ins.mnemonic, ins.op_str))
        if ins.address > TARGET + 0x40:
            break
except ImportError:
    print('capstone not available, trying ndisasm...')
    import subprocess, tempfile
    tmp = os.path.join(os.environ.get('TEMP', '.'), 'seg001_chunk.bin')
    with open(tmp, 'wb') as f2:
        f2.write(data)
    result = subprocess.run(
        ['ndisasm', '-b', '16', '-o', '0x%x' % (TARGET - 0x200), tmp],
        capture_output=True, text=True, timeout=15
    )
    if result.returncode == 0:
        for line in result.stdout.split('\n'):
            try:
                addr = int(line.split()[0], 16)
                if TARGET - 0x200 <= addr <= TARGET + 0x40:
                    print(line)
            except:
                pass
    else:
        print('ndisasm failed:', result.stderr)
        # Fallback: hex dump
        offset = TARGET - 0x200
        for i in range(0, len(data), 16):
            hexb = ' '.join('%02x' % b for b in data[i:i+16])
            print('0x%04x: %s' % (offset+i, hexb))