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| 1 : | anton | 1.1 | \ input output basics (extra since) 02mar97jaw |
| 2 : | |||
| 3 : | anton | 1.6 | \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
| 4 : | anton | 1.1 | |
| 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 : | jwilke | 1.2 | \ Output 13feb93py |
| 22 : | |||
| 23 : | jwilke | 1.3 | has? os [IF] |
| 24 : | jwilke | 1.2 | 0 Value outfile-id ( -- file-id ) \ gforth |
| 25 : | pazsan | 1.5 | 0 Value infile-id ( -- file-id ) \ gforth |
| 26 : | pazsan | 1.7 | |
| 27 : | jwilke | 1.2 | : (type) ( c-addr u -- ) \ gforth |
| 28 : | outfile-id write-file drop \ !! use ?DUP-IF THROW ENDIF instead of DROP ? | ||
| 29 : | ; | ||
| 30 : | |||
| 31 : | : (emit) ( c -- ) \ gforth | ||
| 32 : | outfile-id emit-file drop \ !! use ?DUP-IF THROW ENDIF instead of DROP ? | ||
| 33 : | ; | ||
| 34 : | pazsan | 1.5 | |
| 35 : | : (key) ( -- c ) \ gforth | ||
| 36 : | infile-id key-file ; | ||
| 37 : | |||
| 38 : | : (key?) ( -- flag ) \ gforth | ||
| 39 : | infile-id key?-file ; | ||
| 40 : | jwilke | 1.2 | [THEN] |
| 41 : | |||
| 42 : | pazsan | 1.7 | undef-words |
| 43 : | |||
| 44 : | Defer type ( c-addr u -- ) \ core | ||
| 45 : | crook | 1.8 | \G If u>0, display u characters from a string starting with the character |
| 46 : | \G stored at c-addr. | ||
| 47 : | pazsan | 1.4 | : (type) BEGIN dup WHILE |
| 48 : | >r dup c@ (emit) 1+ r> 1- REPEAT 2drop ; | ||
| 49 : | |||
| 50 : | pazsan | 1.7 | [IFDEF] (type) ' (type) IS Type [THEN] |
| 51 : | jwilke | 1.2 | |
| 52 : | Defer emit ( c -- ) \ core | ||
| 53 : | crook | 1.8 | \G Display the character associated with character value c. |
| 54 : | pazsan | 1.7 | : (emit) ( c -- ) \ gforth |
| 55 : | 0 emit-file drop \ !! use ?DUP-IF THROW ENDIF instead of DROP ? | ||
| 56 : | ; | ||
| 57 : | |||
| 58 : | [IFDEF] (emit) ' (emit) IS emit [THEN] | ||
| 59 : | jwilke | 1.2 | |
| 60 : | Defer key ( -- c ) \ core | ||
| 61 : | pazsan | 1.7 | : (key) ( -- c ) \ gforth |
| 62 : | 0 key-file ; | ||
| 63 : | |||
| 64 : | [IFDEF] (key) ' (key) IS key [THEN] | ||
| 65 : | pazsan | 1.5 | |
| 66 : | Defer key? ( -- flag ) \ core | ||
| 67 : | pazsan | 1.7 | : (key?) ( -- flag ) \ gforth |
| 68 : | 0 key?-file ; | ||
| 69 : | |||
| 70 : | [IFDEF] (key?) ' (key?) IS key? [THEN] | ||
| 71 : | |||
| 72 : | all-words | ||
| 73 : | jwilke | 1.2 | |
| 74 : | : (.") "lit count type ; | ||
| 75 : | : (S") "lit count ; | ||
| 76 : | |||
| 77 : | anton | 1.1 | \ Input 13feb93py |
| 78 : | |||
| 79 : | 07 constant #bell ( -- c ) \ gforth | ||
| 80 : | 08 constant #bs ( -- c ) \ gforth | ||
| 81 : | 09 constant #tab ( -- c ) \ gforth | ||
| 82 : | 7F constant #del ( -- c ) \ gforth | ||
| 83 : | 0D constant #cr ( -- c ) \ gforth | ||
| 84 : | \ the newline key code | ||
| 85 : | 0C constant #ff ( -- c ) \ gforth | ||
| 86 : | 0A constant #lf ( -- c ) \ gforth | ||
| 87 : | |||
| 88 : | jwilke | 1.3 | : bell #bell emit [ has? os [IF] ] outfile-id flush-file drop [ [THEN] ] ; |
| 89 : | anton | 1.1 | : cr ( -- ) \ core |
| 90 : | crook | 1.8 | \G Output a carriage-return and (if appropriate for the host operating system) |
| 91 : | \G a line feed. | ||
| 92 : | jwilke | 1.3 | [ has? crlf [IF] ] #cr emit #lf emit |
| 93 : | anton | 1.1 | [ [ELSE] ] #lf emit |
| 94 : | [ [THEN] ] | ||
| 95 : | ; | ||
| 96 : | |||
| 97 : | crook | 1.8 | : space ( -- ) \ core |
| 98 : | \G Display one space. | ||
| 99 : | bl emit ; | ||
| 100 : | |||
| 101 : | pazsan | 1.7 | has? ec [IF] |
| 102 : | crook | 1.8 | : spaces ( n -- ) \ core |
| 103 : | \G If n > 0, display n spaces. | ||
| 104 : | 0 max 0 ?DO space LOOP ; | ||
| 105 : | pazsan | 1.7 | : backspaces 0 max 0 ?DO #bs emit LOOP ; |
| 106 : | [ELSE] | ||
| 107 : | anton | 1.1 | \ space spaces 21mar93py |
| 108 : | decimal | ||
| 109 : | Create spaces ( u -- ) \ core | ||
| 110 : | crook | 1.8 | \G If n > 0, display n spaces. |
| 111 : | bl 80 times \ times from target compiler! 11may93jaw | ||
| 112 : | anton | 1.1 | DOES> ( u -- ) |
| 113 : | crook | 1.8 | swap |
| 114 : | 0 max 0 ?DO I' I - &80 min 2dup type +LOOP drop ; | ||
| 115 : | anton | 1.1 | Create backspaces |
| 116 : | crook | 1.8 | 08 80 times \ times from target compiler! 11may93jaw |
| 117 : | anton | 1.1 | DOES> ( u -- ) |
| 118 : | crook | 1.8 | swap |
| 119 : | 0 max 0 ?DO I' I - &80 min 2dup type +LOOP drop ; | ||
| 120 : | anton | 1.1 | hex |
| 121 : | [THEN] | ||
| 122 : |
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