version 1.1, 1998/11/08 23:08:04
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version 1.5, 1998/12/20 23:17:54
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Line 1
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\ Convert image to C include file |
\ Convert image to C include file |
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\ Copyright (C) 1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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0 Value image |
0 Value image |
0 Value bitmap |
0 Value bitmap |
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Create magicbuf 8 allot |
Create magicbuf 8 allot |
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Variable bswap? |
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Variable tchars |
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Variable tcell |
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: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 |
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over 24 rshift $FF and or |
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over 8 rshift $FF00 and or |
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over 8 lshift $FF0000 and or |
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over 24 lshift $FF000000 and or nip ; |
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: search-magic ( fd -- ) >r |
: search-magic ( fd -- ) >r |
BEGIN magicbuf 8 r@ read-file throw 8 = WHILE |
BEGIN magicbuf 8 r@ read-file throw 8 = WHILE |
magicbuf s" Gforth1" tuck compare 0= UNTIL |
magicbuf s" Gforth" tuck compare 0= UNTIL |
ELSE true abort" No magic found" THEN |
ELSE true abort" No magic found" THEN |
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magicbuf 6 + c@ digit? drop tchars ! |
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magicbuf 7 + c@ digit? drop dup -2 and tcell ! |
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1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! |
rdrop ; |
rdrop ; |
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Create image-header 4 cells allot |
Create image-header 4 cells allot |
Line 17 Variable bitmap-chars
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Line 48 Variable bitmap-chars
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: read-header ( fd -- ) |
: read-header ( fd -- ) |
image-header 4 cells rot read-file throw drop |
image-header 4 cells rot read-file throw drop |
image-header 2 cells + @ dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars ! |
image-header 2 cells + @ bswap tchars @ * |
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dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars ! |
image-cells @ cells allocate throw to image |
image-cells @ cells allocate throw to image |
bitmap-chars @ allocate throw to bitmap ; |
bitmap-chars @ allocate throw to bitmap ; |
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Line 27 Variable bitmap-chars
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Line 59 Variable bitmap-chars
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: read-bitmap ( fd -- ) >r |
: read-bitmap ( fd -- ) >r |
bitmap bitmap-chars @ r> read-file throw drop ; |
bitmap bitmap-chars @ r> read-file throw drop ; |
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: .08x ( n -- ) 0 <# # # # # # # # # 'x hold '0 hold #> type ; |
: .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; |
: .02x ( n -- ) 0 <# # # 'x hold '0 hold #> type ; |
: .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; |
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: .image ( -- ) |
: .image ( -- ) |
image-cells @ 0 ?DO |
image-cells @ 0 ?DO |
I 4 + I' min I ?DO space image I cells + @ .08x ." ," LOOP cr |
I 4 + I' min I ?DO space image I cells + @ bswap .08x ." ," LOOP cr |
4 +LOOP ; |
4 +LOOP ; |
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: .reloc ( -- ) |
: .reloc ( -- ) |
bitmap-chars @ 0 ?DO |
bitmap-chars @ 0 ?DO |
I 8 + I' min I ?DO space bitmap I + c@ .02x ." ," LOOP cr |
I $10 + I' min I ?DO space |
8 +LOOP ; |
0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP |
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.02x ." ," tchars @ +LOOP cr |
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$10 +LOOP ; |
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: read-image ( addr u -- ) |
: read-image ( addr u -- ) |
r/o bin open-file throw >r |
r/o bin open-file throw >r |
Line 47 Variable bitmap-chars
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Line 81 Variable bitmap-chars
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r@ read-dictionary r@ read-bitmap r> close-file throw ; |
r@ read-dictionary r@ read-bitmap r> close-file throw ; |
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: .imagesize ( -- ) |
: .imagesize ( -- ) |
image-header 3 cells + @ 1 cells / .08x ; |
image-header 3 cells + @ bswap tcell @ / tchars @ * .08x ; |
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: .relocsize ( -- ) |
: .relocsize ( -- ) |
bitmap-chars @ .08x ; |
bitmap-chars @ 1- tchars @ / 1+ .08x ; |
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: fi2c ( addr u -- ) base @ >r hex |
: fi2c ( addr u -- ) base @ >r hex |
read-image |
read-image |