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20 lines
359 B
Forth
20 lines
359 B
Forth
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\ Arrays with bounds checking
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| : (ARRAYERROR
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ABORT" Array out of bounds!" ;
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: ARRAY ( size -- )
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CREATE DUP , 2* ALLOT
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DOES> ( i -- addr )
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OVER 0< (ARRAYERROR
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2DUP @ 1- - 0> (ARRAYERROR
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SWAP 1+ 2* + ;
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: CARRAY ( size -- )
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CREATE DUP , ALLOT
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DOES> ( i -- addr )
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OVER 0< (ARRAYERROR
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2DUP @ 1- - 0> (ARRAYERROR
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+ 1+ ;
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