version 1.36, 2003/10/03 09:14:27
|
version 1.48, 2011/04/13 20:11:12
|
Line 1
|
Line 1
|
\ 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 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 |
|
|
FF Constant /line |
has? EC [IF] 20 cells [ELSE] FF [THEN] Constant /line |
|
|
|
has? file [IF] |
40 Constant c/l |
40 Constant c/l |
10 Constant l/s |
10 Constant l/s |
400 Constant chars/block |
400 Constant chars/block |
|
[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 ) |
|
|
Line 69 $400 Value def#tib
|
Line 73 $400 Value def#tib
|
|
|
\ initialized by COLD |
\ initialized by COLD |
|
|
|
has? no-userspace 0= [IF] |
Create main-task has? OS [IF] 100 [ELSE] 40 [THEN] cells dup allot |
Create main-task has? OS [IF] 100 [ELSE] 40 [THEN] cells dup allot |
|
|
\ set user-pointer from cross-compiler right |
\ set user-pointer from cross-compiler right |
Line 81 Variable udp ( -- a-addr ) \ gforth
|
Line 86 Variable udp ( -- a-addr ) \ gforth
|
AUser next-task main-task next-task ! |
AUser next-task main-task next-task ! |
AUser prev-task main-task prev-task ! |
AUser prev-task main-task prev-task ! |
AUser save-task 0 save-task ! |
AUser save-task 0 save-task ! |
|
[THEN] |
AUser sp0 ( -- a-addr ) \ gforth |
AUser sp0 ( -- a-addr ) \ gforth |
\G @code{User} variable -- initial value of the data stack pointer. |
\G @code{User} variable -- initial value of the data stack pointer. |
\ sp0 is used by douser:, must be user |
\ sp0 is used by douser:, must be user |
' sp0 Alias s0 ( -- a-addr ) \ gforth |
\ ' sp0 Alias s0 ( -- a-addr ) \ gforth |
\G OBSOLETE alias of @code{sp0} |
\G OBSOLETE alias of @code{sp0} |
|
|
AUser rp0 ( -- a-addr ) \ gforth |
AUser rp0 ( -- a-addr ) \ gforth |
\G @code{User} variable -- initial value of the return stack pointer. |
\G @code{User} variable -- initial value of the return stack pointer. |
' rp0 Alias r0 ( -- a-addr ) \ gforth |
\ ' rp0 Alias r0 ( -- a-addr ) \ gforth |
\G OBSOLETE alias of @code{rp0} |
\G OBSOLETE alias of @code{rp0} |
|
|
has? floating [IF] |
has? floating [IF] |
Line 101 AUser fp0 ( -- a-addr ) \ gforth
|
Line 107 AUser fp0 ( -- a-addr ) \ gforth
|
has? glocals [IF] |
has? glocals [IF] |
AUser lp0 ( -- a-addr ) \ gforth |
AUser lp0 ( -- a-addr ) \ gforth |
\G @code{User} variable -- initial value of the locals stack pointer. |
\G @code{User} variable -- initial value of the locals stack pointer. |
' lp0 Alias l0 ( -- a-addr ) \ gforth |
\ ' lp0 Alias l0 ( -- a-addr ) \ gforth |
\G OBSOLETE alias of @code{lp0} |
\G OBSOLETE alias of @code{lp0} |
[THEN] |
[THEN] |
|
|
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 |
Line 146 has? file [IF]
|
Line 151 has? file [IF]
|
User loadfile 0 loadfile ! |
User loadfile 0 loadfile ! |
|
|
2user loadfilename 0 0 loadfilename 2! \ addr u for sourcefilename |
2user loadfilename 0 0 loadfilename 2! \ addr u for sourcefilename |
|
|
User loadline \ number of the currently interpreted |
User loadline \ number of the currently interpreted |
\ (in TIB) line if the interpretation |
\ (in TIB) line if the interpretation |
\ is in a textfile |
\ is in a textfile |
Line 157 has? file [IF]
|
Line 162 has? file [IF]
|
[THEN] |
[THEN] |
[THEN] |
[THEN] |
|
|
|
2user includefilename 0 0 includefilename 2! \ innermost included file |
|
|
|
|
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 |
Line 192 AUser dpp normal-dp dpp !
|
Line 202 AUser dpp normal-dp dpp !
|
AUser LastCFA |
AUser LastCFA |
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 ! |
|
|