--- gforth/fi2c.fs	1998/11/08 23:08:04	1.1
+++ gforth/fi2c.fs	1999/08/29 21:44:46	1.8
@@ -1,14 +1,49 @@
 \ Convert image to C include file
 
+\ Copyright (C) 1998 Free Software Foundation, Inc.
+
+\ This file is part of Gforth.
+
+\ Gforth is free software; you can redistribute it and/or
+\ modify it under the terms of the GNU General Public License
+\ as published by the Free Software Foundation; either version 2
+\ of the License, or (at your option) any later version.
+
+\ This program is distributed in the hope that it will be useful,
+\ but WITHOUT ANY WARRANTY; without even the implied warranty of
+\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+\ GNU General Public License for more details.
+
+\ 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.
+
 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 compare 0=  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
@@ -17,7 +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 @ * au @ /
+    dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars !
     image-cells @ cells allocate throw to image
     bitmap-chars @ allocate throw to bitmap ;
 
@@ -25,20 +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
@@ -47,7 +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 + @ bswap .08x ;
 
 : .relocsize ( -- )
     bitmap-chars @ .08x ;