Annotation of gforth/cache-fast0.vmg, revision 1.5
1.1 anton 1: \ stack cache setup
2:
1.5 ! anton 3: \ Copyright (C) 2003,2004,2005,2007 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
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 spTOS Cell
23: \E register spb Cell
24: \E register spc Cell
25: \E register spd Cell
26: \E register spe Cell
27: \E register spf Cell
28: \E register spg Cell
29: \E register sph Cell
30:
31: \E create IPregs IPTOS ,
32: \E create regs sph , spg , spf , spe , spd , spc , spb , spTOS ,
33: \ \E create regs spTOS ,
34:
35: \E IPregs 1 0 stack-state IPss1
1.4 anton 36: \E regs 8 th 0 -1 stack-state ss0
37: \E regs 7 th 1 0 stack-state ss1
38: \E regs 6 th 2 1 stack-state ss2
39: \E regs 5 th 3 2 stack-state ss3
40: \E regs 4 th 4 3 stack-state ss4
41: \E regs 3 th 5 4 stack-state ss5
42: \E regs 2 th 6 5 stack-state ss6
43: \E regs 1 th 7 6 stack-state ss7
44: \E regs 0 th 8 7 stack-state ss8
45: \ \E regs 1 th 0 -1 stack-state ss0
1.1 anton 46: \ \E regs 1 0 stack-state ss1
47:
48: \ the first of these is the default state (for now)
49: \E state S0
50: \E state S1
51: \E state S2
52: \E state S3
53: \E state S4
54: \E state S5
55: \E state S6
56: \E state S7
57: \E state S8
58:
1.3 anton 59: \E S3 state-disable
60: \E S4 state-disable
61: \E S5 state-disable
62: \E S6 state-disable
63: \E S7 state-disable
64: \E S8 state-disable
65:
1.1 anton 66: \E ss0 data-stack S0 set-ss
67: \E ss1 data-stack S1 set-ss
68: \E ss2 data-stack S2 set-ss
69: \E ss3 data-stack S3 set-ss
70: \E ss4 data-stack S4 set-ss
71: \E ss5 data-stack S5 set-ss
72: \E ss6 data-stack S6 set-ss
73: \E ss7 data-stack S7 set-ss
74: \E ss8 data-stack S8 set-ss
75:
76: \E IPss1 inst-stream S0 set-ss
77: \E IPss1 inst-stream S1 set-ss
78: \E IPss1 inst-stream S2 set-ss
79: \E IPss1 inst-stream S3 set-ss
80: \E IPss1 inst-stream S4 set-ss
81: \E IPss1 inst-stream S5 set-ss
82: \E IPss1 inst-stream S6 set-ss
83: \E IPss1 inst-stream S7 set-ss
84: \E IPss1 inst-stream S8 set-ss
85:
86: \E data-stack to cache-stack
87: \E here 9 cache-states 2! s0 , s1 , s2 , s3 , s4 , s5 , s6 , s7 , s8 ,
88: \ \E here 2 cache-states 2! s0 , s1 ,
89:
90: \ !! the following should be automatic
91: \E S0 to state-default
92: \E state-default to state-in
93: \E state-default to state-out
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