RL_DA
RL_WREG(RL_DA, RLDA_GS);
RL_WREG(RL_DA, RLDA_GS|RLDA_RST);
RL_WREG(RL_DA, da);
RL_WREG(RL_DA, (cn << RLDA_CYLSHFT) | (tn ? RLDA_HSRW : 0) | (sn << 1));