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| 1 : | anton | 1.1 | \ VARS.FS Kernal variables |
| 2 : | |||
| 3 : | \ Copyright (C) 1995 Free Software Foundation, Inc. | ||
| 4 : | |||
| 5 : | \ This file is part of Gforth. | ||
| 6 : | |||
| 7 : | \ Gforth is free software; you can redistribute it and/or | ||
| 8 : | \ modify it under the terms of the GNU General Public License | ||
| 9 : | \ as published by the Free Software Foundation; either version 2 | ||
| 10 : | \ of the License, or (at your option) any later version. | ||
| 11 : | |||
| 12 : | \ This program is distributed in the hope that it will be useful, | ||
| 13 : | \ but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 : | \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 : | \ GNU General Public License for more details. | ||
| 16 : | |||
| 17 : | \ You should have received a copy of the GNU General Public License | ||
| 18 : | \ along with this program; if not, write to the Free Software | ||
| 19 : | \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 20 : | |||
| 21 : | hex \ everything now hex! 11may93jaw | ||
| 22 : | |||
| 23 : | \ important constants 17dec92py | ||
| 24 : | |||
| 25 : | \ dpANS6 (sect 3.1.3.1) says | ||
| 26 : | \ "a true flag ... [is] a single-cell value with all bits set" | ||
| 27 : | \ better definition: 0 0= constant true ( no dependence on 2's compl) | ||
| 28 : | -1 Constant true \ see starts looking for | ||
| 29 : | \ primitives after this word! | ||
| 30 : | 0 Constant false | ||
| 31 : | |||
| 32 : | 1 cells Constant cell ( -- u ) \ gforth | ||
| 33 : | 1 floats Constant float ( -- u ) \ gforth | ||
| 34 : | |||
| 35 : | 20 Constant bl \ used by docon:, must be constant | ||
| 36 : | |||
| 37 : | FF Constant /line | ||
| 38 : | |||
| 39 : | 40 Constant c/l | ||
| 40 : | 10 Constant l/s | ||
| 41 : | 400 Constant chars/block | ||
| 42 : | |||
| 43 : | anton | 1.2 | $20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u ) |
| 44 : | 84 constant pad-minsize ( -- u ) | ||
| 45 : | |||
| 46 : | anton | 1.1 | \ that's enough so long |
| 47 : | |||
| 48 : | \ User variables 13feb93py | ||
| 49 : | |||
| 50 : | \ initialized by COLD | ||
| 51 : | |||
| 52 : | Create main-task 100 cells allot | ||
| 53 : | jwilke | 1.3 | |
| 54 : | \ set user-pointer from cross-compiler right | ||
| 55 : | main-task | ||
| 56 : | UNLOCK tup ! LOCK | ||
| 57 : | anton | 1.1 | |
| 58 : | jwilke | 1.4 | Variable udp |
| 59 : | anton | 1.1 | |
| 60 : | AUser next-task main-task next-task ! | ||
| 61 : | AUser prev-task main-task prev-task ! | ||
| 62 : | AUser save-task 0 save-task ! | ||
| 63 : | jwilke | 1.3 | AUser sp0 \ used by douser:, must be user |
| 64 : | ' sp0 Alias s0 | ||
| 65 : | AUser rp0 ' rp0 Alias r0 | ||
| 66 : | anton | 1.5 | AUser fp0 \ no f0, because this leads to unexpected results |
| 67 : | jwilke | 1.3 | AUser lp0 ' lp0 Alias l0 |
| 68 : | AUser handler \ pointer to last throw frame | ||
| 69 : | anton | 1.1 | \ AUser output |
| 70 : | \ AUser input | ||
| 71 : | |||
| 72 : | AUser errorhandler | ||
| 73 : | |||
| 74 : | AUser "error 0 "error ! | ||
| 75 : | |||
| 76 : | jwilke | 1.3 | [IFUNDEF] #tib \ in ec-Version we may define this ourself |
| 77 : | User tibstack \ saves >tib in execute | ||
| 78 : | User >tib \ pointer to terminal input buffer | ||
| 79 : | User #tib \ chars in terminal input buffer | ||
| 80 : | User >in 0 >in ! \ char number currently processed in tib | ||
| 81 : | [THEN] | ||
| 82 : | anton | 1.1 | User blk 0 blk ! |
| 83 : | User loadfile 0 loadfile ! | ||
| 84 : | |||
| 85 : | User loadfilename# 0 loadfilename# ! | ||
| 86 : | |||
| 87 : | User loadline \ number of the currently interpreted | ||
| 88 : | \ (in TIB) line if the interpretation | ||
| 89 : | \ is in a textfile | ||
| 90 : | \ the first line is 1 | ||
| 91 : | |||
| 92 : | 2User linestart \ starting file postition of | ||
| 93 : | \ the current interpreted line (in TIB) | ||
| 94 : | |||
| 95 : | User base A base ! | ||
| 96 : | User dpl -1 dpl ! | ||
| 97 : | |||
| 98 : | User state 0 state ! | ||
| 99 : | AUser normal-dp \ the usual dictionary pointer | ||
| 100 : | AUser dpp normal-dp dpp ! | ||
| 101 : | \ the pointer to the current dictionary pointer | ||
| 102 : | \ ist reset to normal-dp on (doerror) | ||
| 103 : | \ (i.e. any throw caught by quit) | ||
| 104 : | AUser LastCFA | ||
| 105 : | AUser Last | ||
| 106 : | |||
| 107 : | User locals-size \ this is the current size of the locals stack | ||
| 108 : | \ frame of the current word | ||
| 109 : | |||
| 110 : |
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