Diff for /gforth/extend.fs between versions 1.54 and 1.58

version 1.54, 2003/01/31 22:45:11 version 1.58, 2007/01/25 09:11:08
Line 1 Line 1
 \ EXTEND.FS    CORE-EXT Word not fully tested!         12may93jaw  \ EXTEND.FS    CORE-EXT Word not fully tested!         12may93jaw
   
 \ Copyright (C) 1995,1998,2000 Free Software Foundation, Inc.  \ Copyright (C) 1995,1998,2000,2003,2005 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 36  decimal Line 36  decimal
   
 \ !! 2value  \ !! 2value
   
   [ifundef] 2literal
 : 2Literal ( compilation w1 w2 -- ; run-time  -- w1 w2 ) \ double two-literal  : 2Literal ( compilation w1 w2 -- ; run-time  -- w1 w2 ) \ double two-literal
     \G Compile appropriate code such that, at run-time, cell pair @i{w1, w2} are      \G Compile appropriate code such that, at run-time, cell pair @i{w1, w2} are
     \G placed on the stack. Interpretation semantics are undefined.      \G placed on the stack. Interpretation semantics are undefined.
     swap postpone Literal  postpone Literal ; immediate restrict      swap postpone Literal  postpone Literal ; immediate restrict
   [then]
   
 ' drop alias d>s ( d -- n ) \ double            d_to_s  ' drop alias d>s ( d -- n ) \ double            d_to_s
   
Line 48  decimal Line 50  decimal
     \G In ANS Forth u3 can only be a positive signed number.      \G In ANS Forth u3 can only be a positive signed number.
     >r s>d >r abs -rot      >r s>d >r abs -rot
     s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um*      s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um*
     swap >r 0 d+ r> -rot r@ um/mod -rot r> um/mod nip swap      swap >r 0 d+ r> -rot r@ um/mod -rot r> um/mod -rot
     r> IF dnegate THEN ;      r> IF IF 1. d+ THEN dnegate ELSE drop THEN ;
   
 \ CASE OF ENDOF ENDCASE                                 17may93jaw  \ CASE OF ENDOF ENDCASE                                 17may93jaw
   

Removed from v.1.54  
changed lines
  Added in v.1.58


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