taglinefilesource code
StartHorizRetrace129drivers/char/vesa_blank.cunsigned char  StartHorizRetrace;  /* CRT-Controller:04h */
StartHorizRetrace170drivers/char/vesa_blank.cvga.StartHorizRetrace = inb_p(video_port_val);
StartHorizRetrace245drivers/char/vesa_blank.coutb_p(vga.StartHorizRetrace,video_port_val);