ASC_MC_WDTR_DONE
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);