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| 1 : | pazsan | 1.1 | \ Convert image to C include file |
| 2 : | |||
| 3 : | anton | 1.9 | \ Copyright (C) 1998,1999 Free Software Foundation, Inc. |
| 4 : | anton | 1.2 | |
| 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 : | pazsan | 1.1 | 0 Value image |
| 22 : | 0 Value bitmap | ||
| 23 : | |||
| 24 : | Create magicbuf 8 allot | ||
| 25 : | |||
| 26 : | pazsan | 1.3 | Variable bswap? |
| 27 : | Variable tchars | ||
| 28 : | pazsan | 1.4 | Variable tcell |
| 29 : | pazsan | 1.7 | Variable au |
| 30 : | pazsan | 1.3 | |
| 31 : | : bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 | ||
| 32 : | over 24 rshift $FF and or | ||
| 33 : | over 8 rshift $FF00 and or | ||
| 34 : | over 8 lshift $FF0000 and or | ||
| 35 : | over 24 lshift $FF000000 and or nip ; | ||
| 36 : | |||
| 37 : | pazsan | 1.1 | : search-magic ( fd -- ) >r |
| 38 : | BEGIN magicbuf 8 r@ read-file throw 8 = WHILE | ||
| 39 : | pazsan | 1.6 | magicbuf s" Gforth2" tuck compare 0= UNTIL |
| 40 : | pazsan | 1.1 | ELSE true abort" No magic found" THEN |
| 41 : | pazsan | 1.6 | 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars ! |
| 42 : | 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell ! | ||
| 43 : | pazsan | 1.7 | 1 magicbuf 7 + c@ 3 rshift 3 and lshift au ! |
| 44 : | pazsan | 1.6 | magicbuf 7 + c@ 1 and 0= |
| 45 : | [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! | ||
| 46 : | pazsan | 1.7 | ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr |
| 47 : | pazsan | 1.1 | rdrop ; |
| 48 : | |||
| 49 : | Create image-header 4 cells allot | ||
| 50 : | Variable image-cells | ||
| 51 : | Variable bitmap-chars | ||
| 52 : | |||
| 53 : | : read-header ( fd -- ) | ||
| 54 : | image-header 4 cells rot read-file throw drop | ||
| 55 : | pazsan | 1.7 | image-header 2 cells + @ bswap tchars @ * au @ / |
| 56 : | pazsan | 1.8 | dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars ! |
| 57 : | pazsan | 1.1 | image-cells @ cells allocate throw to image |
| 58 : | bitmap-chars @ allocate throw to bitmap ; | ||
| 59 : | |||
| 60 : | : read-dictionary ( fd -- ) >r | ||
| 61 : | image image-cells @ cells r> read-file throw drop ; | ||
| 62 : | |||
| 63 : | : read-bitmap ( fd -- ) >r | ||
| 64 : | pazsan | 1.8 | bitmap bitmap-chars @ tchars @ * r> read-file throw drop ; |
| 65 : | pazsan | 1.1 | |
| 66 : | pazsan | 1.4 | : .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; |
| 67 : | : .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; | ||
| 68 : | pazsan | 1.1 | |
| 69 : | : .image ( -- ) | ||
| 70 : | image-cells @ 0 ?DO | ||
| 71 : | pazsan | 1.3 | I 4 + I' min I ?DO space image I cells + @ bswap .08x ." ," LOOP cr |
| 72 : | pazsan | 1.1 | 4 +LOOP ; |
| 73 : | |||
| 74 : | : .reloc ( -- ) | ||
| 75 : | pazsan | 1.8 | bitmap-chars @ tchars @ * 0 ?DO |
| 76 : | pazsan | 1.4 | I $10 + I' min I ?DO space |
| 77 : | 0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP | ||
| 78 : | .02x ." ," tchars @ +LOOP cr | ||
| 79 : | $10 +LOOP ; | ||
| 80 : | pazsan | 1.1 | |
| 81 : | : read-image ( addr u -- ) | ||
| 82 : | r/o bin open-file throw >r | ||
| 83 : | r@ search-magic | ||
| 84 : | r@ file-position throw r@ read-header r@ reposition-file throw | ||
| 85 : | r@ read-dictionary r@ read-bitmap r> close-file throw ; | ||
| 86 : | |||
| 87 : | : .imagesize ( -- ) | ||
| 88 : | pazsan | 1.8 | image-header 3 cells + @ bswap .08x ; |
| 89 : | pazsan | 1.1 | |
| 90 : | : .relocsize ( -- ) | ||
| 91 : | pazsan | 1.8 | bitmap-chars @ .08x ; |
| 92 : | pazsan | 1.1 | |
| 93 : | : fi2c ( addr u -- ) base @ >r hex | ||
| 94 : | read-image | ||
| 95 : | ." #include " '" emit ." forth.h" '" emit cr | ||
| 96 : | ." Cell image[" .imagesize ." ] = {" cr .image ." };" cr | ||
| 97 : | ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr | ||
| 98 : | r> base ! ; | ||
| 99 : |
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