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doofus37
PostPosted: Wed Sep 12, 2001 9:08 pm 
Does anybody have yacc and lex files for a reasonable 6502 assembly grammar? Also, how would you implement macros with yacc/lex?
Thanks


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GARTHWILSON
PostPosted: Thu Sep 13, 2001 2:01 am 
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>Does anybody have yacc and lex files for a
>reasonable 6502 assembly grammar? Also, how
>would you implement macros with yacc/lex?

What do yacc and lex stand for? In my work, lex has stood for language extension and lexical order, but I don't think that's what you mean.

Garth

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
What's an additional VIA among friends, anyhow?


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doofus37
PostPosted: Thu Sep 13, 2001 1:25 pm 
Lex and Yacc are utilities (originally from unix) for defining a language grammar and lexigraphic analyzer. With a simple syntax, you feed yacc with a language grammar, lex with language tokens, and together, they generate C code to parse text files.
-ss


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aofl
PostPosted: Sun Sep 16, 2001 8:10 pm 
lex is short for Lexical Analyzer and yacc stands for Yet Another Compiler Compiler. There are GNU versions of these utilities called flex and bison.


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