10 lines
174 B
Forth
10 lines
174 B
Forth
~~~
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:keys:UP #-300 ;
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:keys:DOWN #-301 ;
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:keys:RIGHT #-302 ;
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:keys:LEFT #-303 ;
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:c:get/ext (-c)
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c:get dup #27 eq?
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[ drop c:get drop c:get #235 + n:negate ] if ;
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~~~
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