Annotation of gforth/cache0.vmg, revision 1.4

1.1       anton       1: \ stack cache setup
                      2: 
1.3       anton       3: \ Copyright (C) 2003,2007 Free Software Foundation, Inc.
1.1       anton       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
1.4     ! anton       9: \ as published by the Free Software Foundation, either version 3
1.1       anton      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
1.4     ! anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1       anton      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
1.2       anton      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
1.1       anton      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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