CR32
i810_writeb(CR_INDEX_CGA, mmio, CR32);
unsigned char CR31, CR32, CR33, CR34, CR36, CR3A, CR3B, CR3C;
vga_out8(0x3d5, reg->CR32, par);
vga_out8(0x3d5, reg->CR32, par);
reg->CR32 = vga_in8(0x3d5, par);
vga_out8(0x3d5, reg->CR32, par);
{VIACR, CR32, 0xFF, 0x00},
{VIACR, CR32, 0xFF, 0x00},
{VIACR, CR32, 0xFF, 0x00},
{VIACR, CR32, 0xFF, 0x00},
{VIACR, CR32, 0xFF, 0x00},