Annotation of gforth/fi2c.fs, revision 1.2
1.1 pazsan 1: \ Convert image to C include file
2:
1.2 ! anton 3: \ 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:
1.1 pazsan 21: 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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