Annotation of gforth/ec/mirror.fs, revision 1.4
1.1 pazsan 1: \ mirror.fs mirrors ram in rom and copies back at startup
2:
1.4 ! pazsan 3: \ Copyright (C) 1998,2000,2003 Free Software Foundation, Inc.
! 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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