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Diff for /gforth/blocks.fs between versions 1.28 and 1.30

version 1.28, 1999/12/03 18:24:21 version 1.30, 2000/08/17 12:46:57
Line 45  Variable last-block Line 45  Variable last-block
 $20 Value buffers  $20 Value buffers
   
 User block-fid  User block-fid
 User offset   0 offset !  \ store 1 here fore 0.4.0 compatibility  User block-offset ( -- addr ) \ gforth
   \G User variable containing the number of the first block (default
   \G since 0.5.0: 0).  Block files created with Gforth versions before
   \G 0.5.0 have the offset 1.  If you use these files you can: @code{1
   \G offset !}; or add 1 to every block number used; or prepend 1024
   \G characters to the file.
   0 block-offset !  \ store 1 here fore 0.4.0 compatibility
   
   ' block-offset alias offset \ !! eliminate this?
   
 : block-cold ( -- )  : block-cold ( -- )
     block-fid off  last-block off      block-fid off  last-block off
Line 91  Defer flush-blocks ( -- ) \ gforth Line 99  Defer flush-blocks ( -- ) \ gforth
     offset @ - chars/block chars um* get-block-fid reposition-file throw ;      offset @ - chars/block chars um* get-block-fid reposition-file throw ;
   
 : update ( -- ) \ block  : update ( -- ) \ block
     \G Mark the current block buffer as dirty.      \G Mark the state of the current block buffer as assigned-dirty.
     last-block @ ?dup IF  buffer-dirty on  THEN ;      last-block @ ?dup IF  buffer-dirty on  THEN ;
   
 : save-buffer ( buffer -- ) \ gforth  : save-buffer ( buffer -- ) \ gforth
Line 109  Defer flush-blocks ( -- ) \ gforth Line 117  Defer flush-blocks ( -- ) \ gforth
   
 : save-buffers  ( -- ) \ block  : save-buffers  ( -- ) \ block
     \G Transfer the contents of each @code{update}d block buffer to      \G Transfer the contents of each @code{update}d block buffer to
     \G mass storage, then mark all block buffers as unassigned.      \G mass storage, then mark all block buffers as assigned-clean.
     block-buffers @      block-buffers @
     buffers 0 ?DO dup save-buffer next-buffer LOOP drop ;      buffers 0 ?DO dup save-buffer next-buffer LOOP drop ;
   
Line 176  User scr ( -- a-addr ) \ block-ext s-c-r Line 184  User scr ( -- a-addr ) \ block-ext s-c-r
   
 \ nac31Mar1999 moved "scr @" to list to make the stack comment correct  \ nac31Mar1999 moved "scr @" to list to make the stack comment correct
 : updated?  ( n -- f ) \ gforth  : updated?  ( n -- f ) \ gforth
     \G Return true if block @i{n} has been marked as dirty.      \G Return true if @code{updated} has been used to mark block @i{n}
       \G as assigned-dirty.
     buffer      buffer
     [ 0 buffer-dirty 0 block-buffer - ] Literal + @ ;      [ 0 buffer-dirty 0 block-buffer - ] Literal + @ ;
   
Removed from v.1.28  
changed lines
  Added in v.1.30

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