--- gforth/fi2c.fs 1998/12/08 22:02:41 1.2 +++ gforth/fi2c.fs 2003/08/25 14:17:44 1.14 @@ -1,6 +1,6 @@ \ Convert image to C include file -\ Copyright (C) 1998 Free Software Foundation, Inc. +\ Copyright (C) 1998,1999,2002,2003 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -16,17 +16,34 @@ \ You should have received a copy of the GNU General Public License \ 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 bitmap 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 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 + 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 ; Create image-header 4 cells allot @@ -35,7 +52,8 @@ Variable bitmap-chars : read-header ( fd -- ) 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 bitmap-chars @ allocate throw to bitmap ; @@ -43,20 +61,22 @@ Variable bitmap-chars image image-cells @ cells r> read-file throw drop ; : 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 ; -: .02x ( n -- ) 0 <# # # 'x hold '0 hold #> type ; +: .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; +: .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; : .image ( -- ) 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 ; : .reloc ( -- ) - bitmap-chars @ 0 ?DO - I 8 + I' min I ?DO space bitmap I + c@ .02x ." ," LOOP cr - 8 +LOOP ; + bitmap-chars @ tchars @ * 0 ?DO + I $10 + I' min I ?DO space + 0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP + .02x ." ," tchars @ +LOOP cr + $10 +LOOP ; : read-image ( addr u -- ) r/o bin open-file throw >r @@ -65,7 +85,7 @@ Variable bitmap-chars r@ read-dictionary r@ read-bitmap r> close-file throw ; : .imagesize ( -- ) - image-header 3 cells + @ 1 cells / .08x ; + image-header 3 cells + @ tchars @ * tcell @ / au @ / bswap .08x ; : .relocsize ( -- ) bitmap-chars @ .08x ;