[gforth] / gforth / kernel / vars.fs  

gforth: gforth/kernel/vars.fs

Diff for /gforth/kernel/vars.fs between version 1.39 and 1.50

version 1.39, Sat Feb 18 13:12:52 2006 UTC version 1.50, Sat Dec 31 15:29:26 2011 UTC
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 \ VARS.FS      Kernal variables  \ VARS.FS      Kernal variables
   
 \ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2011 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,
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 \ 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
   
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 \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
   
 FF Constant /line  has? EC [IF] 20 cells [ELSE] FF [THEN] Constant /line
   
 has? file [IF]  has? file [IF]
 40 Constant c/l  40 Constant c/l
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 [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  create holdbuf word-pno-size chars allot
 holdbuf word-pno-size chars + aconstant holdbuf-end  holdbuf word-pno-size chars + aconstant holdbuf-end
 avariable holdptr holdbuf-end holdptr a!  avariable holdptr holdbuf-end holdptr a!
 avariable holdend holdbuf-end holdend a!  avariable holdend holdbuf-end holdend a!
   [THEN]
   
 84 constant pad-minsize ( -- u )  84 constant pad-minsize ( -- u )
   
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 AUser handler   \ pointer to last throw frame  AUser handler   \ pointer to last throw frame
 has? backtrace [IF]  has? backtrace [IF]
 User backtrace-empty \ true if the next THROW should store a backtrace  
 AUser backtrace-rp0 \ rp at last call of interpret  AUser backtrace-rp0 \ rp at last call of interpret
 [THEN]  [THEN]
 \ AUser output  \ AUser output
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 User base ( -- a-addr ) \ core  User base ( -- a-addr ) \ core
 \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the  \G @code{User} variable -- @i{a-addr} is the address of a cell that
 \G number base used by default for number conversion during input and output.  \G stores the number base used by default for number conversion during
   \G input and output.  Don't store to @code{base}, use
   \G @code{base-execute} instead.
                        A base !                         A base !
 User dpl ( -- a-addr ) \ gforth  User dpl ( -- a-addr ) \ gforth
 \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the  \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the
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                         \ 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)
   has? ec [IF]
 AUser LastCFA  AUser LastCFA
   [THEN]
 AUser Last  AUser Last
   
   has? flash [IF]
       AUser flash-dp
       : rom  flash-dp dpp ! ;
       : ram  normal-dp dpp ! ;
   [THEN]
   
 User max-name-length \ maximum length of all names defined yet  User max-name-length \ maximum length of all names defined yet
 32 max-name-length !  32 max-name-length !
   

Generate output suitable for use with a patch program
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Removed from v.1.39  
changed lines
  Added in v.1.50
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