Keyboard

An optional library for reading the keyboard. For these to work you need to either use the Piston or call pollkb regularly.

Key codes are defined in allegro5_03_keys.f.

| kstate | ( n -- n ) | current state of key | klast | ( n -- n ) | state of key from last frame | kdelta | ( n -- n ) | change of key state (-1 = released, 0 = unchanged, 1 = pressed) | pressed | ( n -- flag ) | | released | ( n -- flag ) |