_emit_MOV
off += _emit_MOV(dry_run, &buf[off], CCR, dregs_ccr);
off += _emit_MOV(dry_run, &buf[off], CCR, dregs_ccr);
off += _emit_MOV(dry_run, &buf[off], SAR, x->src_addr);
off += _emit_MOV(dry_run, &buf[off], DAR, x->dst_addr);
off += _emit_MOV(dry_run, &buf[off], CCR, pxs->ccr);