PANTS ATTACK
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 Full colour isometric landscape editor.

 by Jason J Railton, February 2020.

 This code is free for public use and abuse.
 No liability accepted for such.
 Credit would be appreciated.


 Instructions
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 Keys Q A O P pan the view around the map.

 Press E to centre the edit cursor in the current view.
 Keys W S U I move the edit cursor.

 Press 0..7 to set a column's height.
 Press 8 to change a column's colour.

 Press 9 to choose a type of floating platform instead.
 Note that floating platforms of height 0 or 1 display special
  structures of two overlapping platforms. 

 Press C to copy and B to paste a block
 Press SPACE to delete a block

 To save your data, either save a complete snapshot or
 memory from 49152,16384.