taglinefilesource code
video_mem_end400drivers/char/console.cif (scr_end > video_mem_end) {
video_mem_end1422drivers/char/console.cscr_end = video_mem_end = (base += screen_size);
video_mem_end1441drivers/char/console.cvideo_mem_end = video_mem_term;
video_mem_end1471drivers/char/console.cscr_end = video_mem_end = video_mem_start+screen_size;
video_mem_end1509drivers/char/console.cvideo_mem_end = video_mem_term;