version 1.3, 1998/12/11 22:54:27
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version 1.12, 2002/09/14 08:20:19
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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. |
\ Copyright (C) 1998,1999 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 16
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Line 16
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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0 Value image |
0 Value image |
0 Value bitmap |
0 Value bitmap |
Line 25 Create magicbuf 8 allot
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Line 25 Create magicbuf 8 allot
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Variable bswap? |
Variable bswap? |
Variable tchars |
Variable tchars |
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Variable tcell |
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Variable au |
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: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 |
: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 |
over 24 rshift $FF and or |
over 24 rshift $FF and or |
Line 34 Variable tchars
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Line 36 Variable tchars
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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" Gforth" tuck compare 0= UNTIL |
magicbuf s" Gforth2" tuck str= UNTIL |
ELSE true abort" No magic found" THEN |
ELSE true abort" No magic found" THEN |
magicbuf 6 + c@ digit? drop tchars ! |
1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars ! |
magicbuf 7 + c@ 1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! |
1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell ! |
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1 magicbuf 7 + c@ 3 rshift 3 and lshift au ! |
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magicbuf 7 + c@ 1 and 0= |
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[ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! |
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." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr |
rdrop ; |
rdrop ; |
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Create image-header 4 cells allot |
Create image-header 4 cells allot |
Line 46 Variable bitmap-chars
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Line 52 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 + @ bswap tchars @ * |
image-header 2 cells + @ bswap tchars @ * tcell @ / au @ / |
dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars ! |
dup image-cells ! 1- 8 / tchars @ / 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 55 Variable bitmap-chars
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Line 61 Variable bitmap-chars
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image image-cells @ cells r> read-file throw drop ; |
image image-cells @ cells r> read-file throw drop ; |
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: read-bitmap ( fd -- ) >r |
: read-bitmap ( fd -- ) >r |
bitmap bitmap-chars @ r> read-file throw drop ; |
bitmap bitmap-chars @ tchars @ * 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 |
Line 66 Variable bitmap-chars
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Line 72 Variable bitmap-chars
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4 +LOOP ; |
4 +LOOP ; |
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: .reloc ( -- ) |
: .reloc ( -- ) |
bitmap-chars @ 0 ?DO |
bitmap-chars @ tchars @ * 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 77 Variable bitmap-chars
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Line 85 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 + @ bswap 1 cells / tchars @ * .08x ; |
image-header 3 cells + @ tchars @ * tcell @ / au @ / bswap .08x ; |
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: .relocsize ( -- ) |
: .relocsize ( -- ) |
bitmap-chars @ .08x ; |
bitmap-chars @ .08x ; |