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| 1 : | pazsan | 1.1 | \ Convert image to C include file |
| 2 : | |||
| 3 : | anton | 1.2 | \ Copyright (C) 1998 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 : | pazsan | 1.1 | 0 Value image |
| 22 : | 0 Value bitmap | ||
| 23 : | |||
| 24 : | Create magicbuf 8 allot | ||
| 25 : | |||
| 26 : | : search-magic ( fd -- ) >r | ||
| 27 : | BEGIN magicbuf 8 r@ read-file throw 8 = WHILE | ||
| 28 : | magicbuf s" Gforth1" tuck compare 0= UNTIL | ||
| 29 : | ELSE true abort" No magic found" THEN | ||
| 30 : | rdrop ; | ||
| 31 : | |||
| 32 : | Create image-header 4 cells allot | ||
| 33 : | Variable image-cells | ||
| 34 : | Variable bitmap-chars | ||
| 35 : | |||
| 36 : | : read-header ( fd -- ) | ||
| 37 : | image-header 4 cells rot read-file throw drop | ||
| 38 : | image-header 2 cells + @ dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars ! | ||
| 39 : | image-cells @ cells allocate throw to image | ||
| 40 : | bitmap-chars @ allocate throw to bitmap ; | ||
| 41 : | |||
| 42 : | : read-dictionary ( fd -- ) >r | ||
| 43 : | image image-cells @ cells r> read-file throw drop ; | ||
| 44 : | |||
| 45 : | : read-bitmap ( fd -- ) >r | ||
| 46 : | bitmap bitmap-chars @ r> read-file throw drop ; | ||
| 47 : | |||
| 48 : | : .08x ( n -- ) 0 <# # # # # # # # # 'x hold '0 hold #> type ; | ||
| 49 : | : .02x ( n -- ) 0 <# # # 'x hold '0 hold #> type ; | ||
| 50 : | |||
| 51 : | : .image ( -- ) | ||
| 52 : | image-cells @ 0 ?DO | ||
| 53 : | I 4 + I' min I ?DO space image I cells + @ .08x ." ," LOOP cr | ||
| 54 : | 4 +LOOP ; | ||
| 55 : | |||
| 56 : | : .reloc ( -- ) | ||
| 57 : | bitmap-chars @ 0 ?DO | ||
| 58 : | I 8 + I' min I ?DO space bitmap I + c@ .02x ." ," LOOP cr | ||
| 59 : | 8 +LOOP ; | ||
| 60 : | |||
| 61 : | : read-image ( addr u -- ) | ||
| 62 : | r/o bin open-file throw >r | ||
| 63 : | r@ search-magic | ||
| 64 : | r@ file-position throw r@ read-header r@ reposition-file throw | ||
| 65 : | r@ read-dictionary r@ read-bitmap r> close-file throw ; | ||
| 66 : | |||
| 67 : | : .imagesize ( -- ) | ||
| 68 : | image-header 3 cells + @ 1 cells / .08x ; | ||
| 69 : | |||
| 70 : | : .relocsize ( -- ) | ||
| 71 : | bitmap-chars @ .08x ; | ||
| 72 : | |||
| 73 : | : fi2c ( addr u -- ) base @ >r hex | ||
| 74 : | read-image | ||
| 75 : | ." #include " '" emit ." forth.h" '" emit cr | ||
| 76 : | ." Cell image[" .imagesize ." ] = {" cr .image ." };" cr | ||
| 77 : | ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr | ||
| 78 : | r> base ! ; | ||
| 79 : |
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