- draw_line(fe, cx, cy, cx+2*td, cy, dcol);
- draw_line(fe, cx, cy+2*td, cx+2*td, cy+2*td, dcol);
- draw_line(fe, cx, cy, cx, cy+2*td, dcol);
- draw_line(fe, cx+2*td, cy, cx+2*td, cy+2*td, dcol);
+ draw_line(dr, cx, cy, cx+2*td, cy, dcol);
+ draw_line(dr, cx, cy+2*td, cx+2*td, cy+2*td, dcol);
+ draw_line(dr, cx, cy, cx, cy+2*td, dcol);
+ draw_line(dr, cx+2*td, cy, cx+2*td, cy+2*td, dcol);