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eefbf66e95
When writing the xcomp documentation, I realized that with careful threading and by accepting a bit of code duplication in the xcomp toolset, I could de-stabilize a couple of words. (n) and EXIT are a bit trickier, but I think it can be done. It would be nice to get rid of stable wordrefs...
16 lines
631 B
Plaintext
16 lines
631 B
Plaintext
CREATE XCURRENT 0 ,
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: XCON XCURRENT CURRENT* ! ; : XCOFF 0x02 RAM+ CURRENT* ! ;
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: (xentry) XCON (entry) XCOFF ; : XCREATE (xentry) 2 C, ;
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: XCODE XCON CODE XCOFF ; : XIMM XCON IMMEDIATE XCOFF ;
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: _xapply ( a -- a-off )
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DUP ORG @ > IF ORG @ - BIN( @ + THEN ;
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: XFIND XCURRENT @ SWAP _find DROP _xapply ;
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: X' XCON ' XCOFF ; : X['] XCON ' _xapply LITN XCOFF ;
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: XCOMPILE XCON ' _xapply LITN
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LIT< , FIND DROP _xapply , XCOFF ;
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: X[COMPILE] XCON ' _xapply , XCOFF ;
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: XDO LIT< 2>R XFIND , H@ ;
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: XLOOP LIT< (loop) XFIND , H@ - C, ;
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: XIF LIT< (?br) XFIND , H@ 1 ALLOT ;
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: XELSE LIT< (br) XFIND , 1 ALLOT [COMPILE] THEN H@ 1- ;
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