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Annotation of gforth/ec/mirror.fs, revision 1.7

1.1       pazsan      1: \ mirror.fs mirrors ram in rom and copies back at startup
                      2: 
1.7     ! anton       3: \ Copyright (C) 1998,2000,2003,2004,2007 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
1.6       anton       9: \ as published by the Free Software Foundation, either version 3
1.4       pazsan     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
1.6       anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.4       pazsan     19: 
1.1       pazsan     20: 0 [IF]
                     21: 
                     22: For the romable feature:
                     23: 
                     24: We need to save the ram area (there might be initialized variables,
                     25: and code-fields...) into rom and copy it back at system startup.
                     26: 
                     27: [THEN]
                     28: 
                     29: \ save ram area
                     30: 
                     31: >rom
1.3       jwilke     32: unlock ram-dictionary extent lock              
                     33: Constant ram-len
                     34: Constant ram-start
                     35: Variable ram-origin
1.1       pazsan     36: ram-start ram-origin ram-len unlock tcmove lock 
                     37: ram-len allot align
                     38: >auto
                     39: 
                     40: : mirrorram
                     41:   ram-origin ram-start ram-len cmove ;
                     42: