VGA_TS_MODE_BLANK
vga_ts_write(vh, mode, vga_ts_read(vh, mode) | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, vga_ts_read(vh, mode) & ~VGA_TS_MODE_BLANK);
return (vga_ts_read(&vc->hdl, mode) & VGA_TS_MODE_BLANK) == 0;
vga_ts_write(&vc->hdl, mode, val & ~VGA_TS_MODE_BLANK);
vga_ts_write(&vc->hdl, mode, val | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, vga_ts_read(vh, mode) | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, regs->ts[1] | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, vga_ts_read(vh, mode) & ~VGA_TS_MODE_BLANK);
return (vga_ts_read(&vc->hdl, mode) & VGA_TS_MODE_BLANK) == 0;
vga_ts_write(&vc->hdl, mode, val & ~VGA_TS_MODE_BLANK);
vga_ts_write(&vc->hdl, mode, val | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, vga_ts[1] | VGA_TS_MODE_BLANK);
vga_ts_write(vh, mode, vga_ts[1] & ~VGA_TS_MODE_BLANK);