File:  [gforth] / gforth / cache0.vmg
Revision 1.4: download - view: text, annotated - select for diffs
Mon Dec 31 18:40:23 2007 UTC (11 years, 7 months ago) by anton
Branches: MAIN
CVS tags: v0-7-0, HEAD
updated copyright notices for GPL v3

    1: \ stack cache setup
    2: 
    3: \ Copyright (C) 2003,2007 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 3
   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, see http://www.gnu.org/licenses/.
   19: 
   20: \E register IPTOS Cell
   21: \E register spa Cell
   22: \E register spb Cell
   23: \E register spc Cell
   24: \E register spd Cell
   25: 
   26: \E create IPregs IPTOS ,
   27: \E create regs spc , spb , spa ,
   28: 
   29: \E IPregs 1 0 stack-state IPss1
   30: \E regs 3 th 0  0 stack-state ss0
   31: \E regs 2 th 1  0 stack-state ss1
   32: \E regs 1 th 2  1 stack-state ss2
   33: \E regs 0 th 3  2 stack-state ss3
   34: 
   35: \ the first of these is the default state
   36: \E state S0
   37: \E state S1
   38: \E state S2
   39: \E state S3
   40: 
   41: \E ss0 data-stack S0 set-ss
   42: \E ss1 data-stack S1 set-ss
   43: \E ss2 data-stack S2 set-ss
   44: \E ss3 data-stack S3 set-ss
   45: 
   46: \E IPss1 inst-stream S0 set-ss
   47: \E IPss1 inst-stream S1 set-ss
   48: \E IPss1 inst-stream S2 set-ss
   49: \E IPss1 inst-stream S3 set-ss
   50: 
   51: \E data-stack to cache-stack
   52: \E here 4 cache-states 2! s0 , s1 , s2 , s3 ,
   53: 
   54: \ !! the following should be automatic
   55: \E S0 to state-default
   56: \E state-default to state-in
   57: \E state-default to state-out

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