[gforth] / gforth / fi2c.fs  

gforth: gforth/fi2c.fs

Diff for /gforth/fi2c.fs between version 1.2 and 1.12

version 1.2, Tue Dec 8 22:02:41 1998 UTC version 1.12, Sat Sep 14 08:20:19 2002 UTC
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 \ Convert image to C include file  \ Convert image to C include file
   
 \ Copyright (C) 1998 Free Software Foundation, Inc.  \ Copyright (C) 1998,1999 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
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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.
   
 0 Value image  0 Value image
 0 Value bitmap  0 Value bitmap
   
 Create magicbuf 8 allot  Create magicbuf 8 allot
   
   Variable bswap?
   Variable tchars
   Variable tcell
   Variable au
   
   : bswap ( n -- n' )  bswap? @ 0= ?EXIT  0
       over 24 rshift $FF       and or
       over  8 rshift $FF00     and or
       over  8 lshift $FF0000   and or
       over 24 lshift $FF000000 and or nip ;
   
 : 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" Gforth2" tuck str=  UNTIL
     ELSE  true abort" No magic found"  THEN      ELSE  true abort" No magic found"  THEN
       1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars !
       1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
       1 magicbuf 7 + c@ 3 rshift 3 and lshift au !
       magicbuf 7 + c@ 1 and 0=
       [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !
       ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr
     rdrop ;      rdrop ;
   
 Create image-header  4 cells allot  Create image-header  4 cells allot
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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 @ * tcell @ / au @ /
       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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     image image-cells @ cells r> read-file throw drop ;      image image-cells @ cells r> read-file throw drop ;
   
 : 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 ;
   
 : .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 ;
   
 : .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 ;
   
 : .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
               .02x ." ," tchars @ +LOOP cr
           $10 +LOOP ;
   
 : read-image ( addr u -- )  : read-image ( addr u -- )
     r/o bin open-file throw >r      r/o bin open-file throw >r
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     r@ read-dictionary r@ read-bitmap r> close-file throw ;      r@ read-dictionary r@ read-bitmap r> close-file throw ;
   
 : .imagesize ( -- )  : .imagesize ( -- )
     image-header 3 cells + @ 1 cells / .08x ;      image-header 3 cells + @ tchars @ * tcell @ / au @ / bswap .08x ;
   
 : .relocsize ( -- )  : .relocsize ( -- )
     bitmap-chars @ .08x ;      bitmap-chars @ .08x ;

Generate output suitable for use with a patch program
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