CRT_ID_HOR_TOTAL
WCrt(ba, CRT_ID_HOR_TOTAL, HT);
WCrt(ba, CRT_ID_HOR_TOTAL, HT);
WCrt(ba, CRT_ID_HOR_TOTAL, 0x5F);
WCrt(ba, CRT_ID_HOR_TOTAL, HT);
WCrt(ba, CRT_ID_HOR_TOTAL, 0x5F);
WCrt(ba, CRT_ID_HOR_TOTAL, HT);
WCrt(ba, CRT_ID_HOR_TOTAL, md->HT & 0xff);
WCrt (ba, CRT_ID_HOR_TOTAL, md->HT & 0xff);
regs->crt[CRT_ID_HOR_TOTAL] = mode->htotal;