VGA_SEQ_CHARACTER_MAP
vga_wseq(state->vgabase, VGA_SEQ_CHARACTER_MAP, font_select);
vga_wseq(cinfo->regbase, VGA_SEQ_CHARACTER_MAP, 0x00);
vga_wseq(regbase, VGA_SEQ_CHARACTER_MAP, 0x00);
par->seq[VGA_SEQ_CHARACTER_MAP] = 0x00;
seq[VGA_SEQ_CHARACTER_MAP] = 0x00;