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Annotation of gforth/cache1.vmg, revision 1.1

1.1     ! anton       1: \ stack cache setup
        !             2: 
        !             3: \ Copyright (C) 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: 
        !            21: \E register IPTOS Cell
        !            22: \E register spa Cell
        !            23: \E register spb Cell
        !            24: \E register spc Cell
        !            25: \E register spd Cell
        !            26: 
        !            27: \E create IPregs IPTOS ,
        !            28: \E create regs spc , spb , spa ,
        !            29: 
        !            30: \E IPregs 1 0 stack-state IPss1
        !            31: \E regs 3 cells + 0  0 stack-state ss0
        !            32: \E regs 2 cells + 1  1 stack-state ss1
        !            33: \E regs 1 cells + 2  2 stack-state ss2
        !            34: \E regs 0 cells + 3  3 stack-state ss3
        !            35: 
        !            36: \ the first of these is the default state
        !            37: \E state S0
        !            38: \E state S1
        !            39: \E state S2
        !            40: \E state S3
        !            41: 
        !            42: \E ss0 data-stack S0 set-ss
        !            43: \E ss1 data-stack S1 set-ss
        !            44: \E ss2 data-stack S2 set-ss
        !            45: \E ss3 data-stack S3 set-ss
        !            46: 
        !            47: \E IPss1 inst-stream S0 set-ss
        !            48: \E IPss1 inst-stream S1 set-ss
        !            49: \E IPss1 inst-stream S2 set-ss
        !            50: \E IPss1 inst-stream S3 set-ss
        !            51: 
        !            52: \E data-stack to cache-stack
        !            53: \E here 4 cache-states 2! s0 , s1 , s2 , s3 ,
        !            54: 
        !            55: \ !! the following should be automatic
        !            56: \E S0 to state-default
        !            57: \E state-default to state-in
        !            58: \E state-default to state-out