Annotation of gforth/ec/mirror.fs, revision 1.5

1.1       pazsan      1: \ mirror.fs mirrors ram in rom and copies back at startup
                      2: 
1.5     ! anton       3: \ Copyright (C) 1998,2000,2003,2004 Free Software Foundation, Inc.
1.4       pazsan      4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
                      9: \ as published by the Free Software Foundation; either version 2
                     10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
                     18: \ along with this program; if not, write to the Free Software
                     19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
                     20: 
1.1       pazsan     21: 0 [IF]
                     22: 
                     23: For the romable feature:
                     24: 
                     25: We need to save the ram area (there might be initialized variables,
                     26: and code-fields...) into rom and copy it back at system startup.
                     27: 
                     28: [THEN]
                     29: 
                     30: \ save ram area
                     31: 
                     32: >rom
1.3       jwilke     33: unlock ram-dictionary extent lock              
                     34: Constant ram-len
                     35: Constant ram-start
                     36: Variable ram-origin
1.1       pazsan     37: ram-start ram-origin ram-len unlock tcmove lock 
                     38: ram-len allot align
                     39: >auto
                     40: 
                     41: : mirrorram
                     42:   ram-origin ram-start ram-len cmove ;
                     43: 

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