+ if(strcmp(cmd, "reboot") == 0) {
+ reboot();
+
+ } else if(strcmp(cmd, "down") == 0) {
+ printf("scroll down\n");
+ cur_y += 10;
+ video_scroll(cur_x, cur_y);
+
+ } else if(strcmp(cmd, "up") == 0) {
+ printf("scroll up\n");
+ cur_y -= 10;
+ video_scroll(cur_x, cur_y);
+
+ } else if(strcmp(cmd, "ticks") == 0) {
+ printf("%lu\n", num_ticks);
+
+ } else if(strcmp(cmd, "help") == 0) {