vbox_write_ioport
vbox_write_ioport(VBE_DISPI_INDEX_ID, id);
vbox_write_ioport(VBE_DISPI_INDEX_XRES, width);
vbox_write_ioport(VBE_DISPI_INDEX_YRES, height);
vbox_write_ioport(VBE_DISPI_INDEX_VIRT_WIDTH, pitch * 8 / bpp);
vbox_write_ioport(VBE_DISPI_INDEX_BPP, bpp);
vbox_write_ioport(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
vbox_write_ioport(VBE_DISPI_INDEX_X_OFFSET,
vbox_write_ioport(VBE_DISPI_INDEX_Y_OFFSET,