[gforth] / gforth / history.fs  

gforth: gforth/history.fs

Diff for /gforth/history.fs between version 1.53 and 1.54

version 1.53, Sat May 5 17:30:23 2007 UTC version 1.54, Thu Jun 7 20:57:13 2007 UTC
Line 200 
Line 200 
   
 Variable curpos  Variable curpos
   
   s" os-type" environment? [IF] s" cygwin" str= [IF]
   : save-cursor ( -- ) #esc emit '7 emit ;
   : restore-cursor ( -- ) #esc emit '8 emit ;
   : cur-correct ( addr u -- )  2drop ;
   [ELSE]
 : at-xy? ( -- x y )  : at-xy? ( -- x y )
     key? drop      key? drop
     #esc emit ." [6n"  0 0      #esc emit ." [6n"  0 0
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 : cursor! ( n -- )  form nip /mod at-xy ;  : cursor! ( n -- )  form nip /mod at-xy ;
 : cur-correct  ( addr u -- )  x-width curpos @ + cursor@ -  : cur-correct  ( addr u -- )  x-width curpos @ + cursor@ -
     form nip >r  r@ 2/ + r@ / r> * negate curpos +! ;      form nip >r  r@ 2/ + r@ / r> * negate curpos +! ;
   
 : save-cursor ( -- )  cursor@ curpos ! ;  : save-cursor ( -- )  cursor@ curpos ! ;
 : restore-cursor ( -- )  curpos @ cursor! ;  : restore-cursor ( -- )  curpos @ cursor! ;
   [THEN]
 : .rest ( addr pos1 -- addr pos1 )  : .rest ( addr pos1 -- addr pos1 )
     key? ?EXIT      key? ?EXIT
     restore-cursor 2dup type 2dup cur-correct ;      restore-cursor 2dup type 2dup cur-correct ;


Generate output suitable for use with a patch program
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  Added in v.1.54

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