218     int y, y_start, dd, ds;  in tcx_update_display()  local
228     ds = 1024;  in tcx_update_display()
234     for (y = 0; y < ts->height; y++, page += ds) {  in tcx_update_display()
235         if (tcx_check_dirty(ts, snap, page, ds)) {  in tcx_update_display()
251         s += ds;  in tcx_update_display()
268     int y, y_start, dd, ds;  in tcx24_update_display()  local
281     ds = 1024;  in tcx24_update_display()
287     for (y = 0; y < ts->height; y++, page += ds) {  in tcx24_update_display()
288         if (tcx_check_dirty(ts, snap, page, ds)) {  in tcx24_update_display()
305         s += ds;  in tcx24_update_display()
306         cptr += ds;  in tcx24_update_display()
307         s24 += ds;  in tcx24_update_display()