Diff for /gforth/fi2c.fs between versions 1.4 and 1.7

version 1.4, 1998/12/13 23:29:58 version 1.7, 1999/06/20 19:56:47
Line 26  Create magicbuf 8 allot Line 26  Create magicbuf 8 allot
 Variable bswap?  Variable bswap?
 Variable tchars  Variable tchars
 Variable tcell  Variable tcell
   Variable au
   
 : 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 35  Variable tcell Line 36  Variable tcell
   
 : 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 compare 0=  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@ digit? drop dup -2 and tcell !      1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
     1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !      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
Line 48  Variable bitmap-chars Line 52  Variable bitmap-chars
   
 : 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 @ * au @ /
     dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars !      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 ;
Line 81  Variable bitmap-chars Line 85  Variable bitmap-chars
     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 + @ bswap tcell @ / tchars @ * .08x ;      image-header 3 cells + @ bswap tcell @ / tchars @ * au @ / .08x ;
   
 : .relocsize ( -- )  : .relocsize ( -- )
     bitmap-chars @ tchars @ / .08x ;      bitmap-chars @ 1- tchars @ / 1+ .08x ;
   
 : fi2c ( addr u -- )  base @ >r hex  : fi2c ( addr u -- )  base @ >r hex
     read-image      read-image

Removed from v.1.4  
changed lines
  Added in v.1.7


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>