_vga_ts_write
_vga_ts_write(vh, 0x06, 0x12);
_vga_ts_write(vh, VGA_TS_NREGS + i, vga_ts_gd54xx[i]);
_vga_ts_write(vh, 0x06, 0x0);
_vga_ts_write(vh, i, regs->ts[i]);
_vga_ts_write(vh, i, vga_ts[i]);
_vga_ts_write(vh, offsetof(struct reg_vgats, reg), val)
static __inline void _vga_ts_write(struct vga_handle *, int, u_int8_t);