CRT_ID_OFFSET
WCrt(ba, CRT_ID_OFFSET, HDE);
WCrt(ba, CRT_ID_OFFSET, HDE);
WCrt(ba, CRT_ID_OFFSET, (HDE / 2) & 0xff );
WCrt(ba, CRT_ID_OFFSET, (md->TX / 8) & 0xff );
WCrt(ba, CRT_ID_OFFSET, (md->TX / 4) & 0xff );
WCrt(ba, CRT_ID_OFFSET, (md->TX * 3 / 8) & 0xff );
WCrt (ba, CRT_ID_OFFSET, (HDE / 2) & 0xff);
WCrt (ba, CRT_ID_OFFSET, (md->TX / 8) & 0xff);
regs->crt[CRT_ID_OFFSET] = mode->disp_width/16;