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Diff for /gforth/kernel/vars.fs between versions 1.46 and 1.54

version 1.46, 2007/12/31 17:34:59 version 1.54, 2012/12/31 15:25:19
Line 1 Line 1
 \ VARS.FS      Kernal variables  \ VARS.FS      Kernal variables
   
 \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2011,2012 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 hex \ everything now hex!                               11may93jaw  hex \ everything now hex!                               11may93jaw
   
Line 46  has? floating [IF] Line 45  has? floating [IF]
 \G @i{c-char} is the character value for a space.  \G @i{c-char} is the character value for a space.
 \ used by docon:, must be constant  \ used by docon:, must be constant
   
 has? EC [IF] 40 [ELSE] FF [THEN] Constant /line  has? EC [IF] 20 cells [ELSE] FF [THEN] Constant /line
   
 has? file [IF]  has? file [IF]
 40 Constant c/l  40 Value c/l
 10 Constant l/s  10 Value l/s
 400 Constant chars/block  400 Value chars/block
 [THEN]  [THEN]
   
 20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u )  20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u )
   
 has? EC 0= [IF]  
 create holdbuf word-pno-size chars allot  
 holdbuf word-pno-size chars + aconstant holdbuf-end  
 avariable holdptr holdbuf-end holdptr a!  
 avariable holdend holdbuf-end holdend a!  
 [THEN]  
   
 84 constant pad-minsize ( -- u )  84 constant pad-minsize ( -- u )
   
 $400 Value def#tib  $400 Value def#tib
Line 112  AUser lp0 ( -- a-addr ) \ gforth Line 104  AUser lp0 ( -- a-addr ) \ gforth
 \G OBSOLETE alias of @code{lp0}  \G OBSOLETE alias of @code{lp0}
 [THEN]  [THEN]
   
   AUser throw-entry  \ pointer to task-specific signal handler
   
 AUser handler   \ pointer to last throw frame  AUser handler   \ pointer to last throw frame
 has? backtrace [IF]  has? backtrace [IF]
 AUser backtrace-rp0 \ rp at last call of interpret  AUser backtrace-rp0 \ rp at last call of interpret
Line 123  AUser errorhandler Line 117  AUser errorhandler
   
 AUser "error            0 "error !  AUser "error            0 "error !
   
   has? EC 0= [IF]
       auser holdbufptr
       here word-pno-size chars allot dup holdbufptr !
       word-pno-size chars +
       : holdbuf ( -- addr ) holdbufptr @ ;
       : holdbuf-end   holdbuf word-pno-size chars + ;
       auser holdptr dup holdptr a!
       auser holdend     holdend a!
   [THEN]
   
 has? new-input [IF]  has? new-input [IF]
     User current-input      User current-input
 [ELSE]  [ELSE]
Line 180  User dpl ( -- a-addr ) \ gforth Line 184  User dpl ( -- a-addr ) \ gforth
 \G 0. After the conversion of 234123.9 it contains 1, and so forth.  \G 0. After the conversion of 234123.9 it contains 1, and so forth.
 -1 dpl !  -1 dpl !
   
   User dp-char ( -- a-addr ) \ VFX
   \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the
   \G decimal point character for double number conversion
   '.' dp-char !
   
   User fp-char ( -- a-addr ) \ VFX
   \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the
   \G decimal point character for floating point number conversion
   '.' fp-char !
   
 User state ( -- a-addr ) \ core,tools-ext  User state ( -- a-addr ) \ core,tools-ext
 \G @code{User} variable -- @i{a-addr} is the address of a cell  \G @code{User} variable -- @i{a-addr} is the address of a cell
 \G containing the compilation state flag. 0 => interpreting, -1 =>  \G containing the compilation state flag. 0 => interpreting, -1 =>
Line 200  AUser dpp  normal-dp dpp ! Line 214  AUser dpp  normal-dp dpp !
                         \ the pointer to the current dictionary pointer                          \ the pointer to the current dictionary pointer
                         \ ist reset to normal-dp on (doerror)                          \ ist reset to normal-dp on (doerror)
                         \  (i.e. any throw caught by quit)                          \  (i.e. any throw caught by quit)
 AUser LastCFA  has? ec [IF]
       AUser LastCFA
   [THEN]
 AUser Last  AUser Last
   
 has? flash [IF]  has? flash [IF]
Removed from v.1.46  
changed lines
  Added in v.1.54

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