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\ Hypervisor Software File: savefort.fth
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\ savefort.fth 2.5 94/09/01
\ Copyright 1985-1990 Bradley Forthware

\ save-forth  ( filename -- )
\	Saves the Forth dictionary to a file so it may be later used under Unix
\
\ save-image  ( header-adr header-len init-routine-name filename -- )
\	Primitive save routine.  Saves the dictionary image to a file.
\	The header is placed at the start of the file.  The latest definition
\	whose name is the same as the "init-routine-name" argument is
\	installed as the init-io routine.

only forth also hidden also  forth definitions


headerless
: save-image  ( header header-len init-routine-name filename -- )
   new-file   ( header header-len init-routine-name )

   init-save  ( header header-len )

   ( header header-len )  ofd @  fputs		\ Write header
   origin   text-size     ofd @  fputs		\ Write dictionary
   up@      user-size     ofd @  fputs		\ Write user area
   ofd @ fclose
;
headers

0 value growth-size

\ Save an image of the target system in a file.
: save-forth  ( str -- )
   >r

   30800008    h_magic l!	\ This is a   ba,a .+0x20   instruction
   text-size   h_tlen  l!       \ Set the text size in program header
   user-size   h_dlen  l!       \ Set the data size in program header
   growth-size h_blen  l!       \ Set the bss size in program header
   0           h_slen  l!       \ Set the symbol size in program header
   origin      h_entry l!       \ Set the current starting address
   0           h_trlen l!       \ Set the relocation size
   0           h_drlen l!       \ Set the data relocation size

   " unix-init-io"  $find-name is init-io
   bin-header  /bin-header  " unix-init" r>  save-image
;

only forth also definitions