private void ctrl_LF() {
if (vt100_mode_lfnewline) {
ctrl_CR();
}
if (cy == scroll_area_y1 - 1) {
scroll_area_up(scroll_area_y0, scroll_area_y1);
} else {
cursor_down();
}
}
private void csi_CUD(String p) {
int[] ps = vt100_parse_params(p, new int[] {1});
cursor_down(Math.max(1, ps[0]));
}
private void cursor_down() {
cursor_down(1);
}