- MAPS :
Must be rectangular (long > large) Check charaters : 0 is empty, 1 is wall, C is collectible, E for exit map, P for player position Maps must be surrounded by walls At least : 1 exit, one collectible, one starting position
- COMMANDS :
W, A, S, D to move the main character ESC must close the window and quit program cleanly Clicking on red cross on window frame must close the window and quit program cleanly
WRITE "Error\n" if any kind is encounttered in the file with explicit message of our choice