VGA_TS_INDEX
bus_space_write_1(fb->mmiot, fb->mmioh, IO_VGA + VGA_TS_INDEX, regno);
bus_space_write_1(fb->mmiot, fb->mmioh, IO_VGA + VGA_TS_INDEX, regno);
vga_raw_write(vh, VGA_TS_INDEX, reg);
vga_raw_write(vh, VGA_TS_INDEX, reg);
#define TS_INDEX (VGA_BASE + VGA_TS_INDEX)