13 lines
285 B
Forth
13 lines
285 B
Forth
: ? @ . ;
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: +! SWAP OVER @ + SWAP ! ;
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: ALLOT HERE +! ;
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: VARIABLE CREATE 2 ALLOT ;
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: CONSTANT CREATE HERE @ ! DOES> @ ;
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: , HERE @ ! 2 ALLOT ;
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: C, HERE @ C! 1 ALLOT ;
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: THEN DUP HERE @ SWAP - SWAP C! ; IMMEDIATE
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: NOT IF 0 ELSE 1 THEN ;
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: = CMP NOT ;
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: < CMP 0 1 - = ;
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: > CMP 1 = ;
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