VGA_DAC_PALETTE
outb(IO_VGA + VGA_DAC_PALETTE, (uint8_t)r >> 2);
outb(IO_VGA + VGA_DAC_PALETTE, (uint8_t)g >> 2);
outb(IO_VGA + VGA_DAC_PALETTE, (uint8_t)b >> 2);
*palette++ = vga_raw_read(vh, VGA_DAC_PALETTE);
vga_raw_write(vh, VGA_DAC_PALETTE, *palette++);
VGA_DAC_PALETTE, vga_dacpal[i * 3 + 0]);
VGA_DAC_PALETTE, vga_dacpal[i * 3 + 1]);
VGA_DAC_PALETTE, vga_dacpal[i * 3 + 2]);
mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, r);
mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, g);
mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, b);