VGA_CRTC_START_HI
vga_wcrt(cinfo->regbase, VGA_CRTC_START_HI, (base >> 8) & 0xff);
par->crtc[VGA_CRTC_START_HI] = (base & 0x0000FF00) >> 8;
par->crtc[VGA_CRTC_START_HI] = (base & 0x0000FF00) >> 8;
i740outreg(par, VGA_CRT_IC, VGA_CRTC_START_HI,
write3X4(par, VGA_CRTC_START_HI, (base & 0xFF00) >> 8);
vga_io_wcrt(VGA_CRTC_START_HI, pos >> 8);
par->crtc[VGA_CRTC_START_HI] = pos >> 8;