ASM_FMT_M46
op = ASM_OP_THASH, fmt = ASM_FMT_M46;
op = ASM_OP_TTAG, fmt = ASM_FMT_M46;
op = ASM_OP_TPA, fmt = ASM_FMT_M46;
op = ASM_OP_TAK, fmt = ASM_FMT_M46;
case ASM_FMT_M46: