Annotation of gforth/cache-fast0.vmg, revision 1.1
1.1 ! anton 1: \ stack cache setup
! 2:
! 3: \ Copyright (C) 2003,2004 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 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
! 36: \E regs 8 cells + 0 -1 stack-state ss0
! 37: \E regs 7 cells + 1 0 stack-state ss1
! 38: \E regs 6 cells + 2 1 stack-state ss2
! 39: \E regs 5 cells + 3 2 stack-state ss3
! 40: \E regs 4 cells + 4 3 stack-state ss4
! 41: \E regs 3 cells + 5 4 stack-state ss5
! 42: \E regs 2 cells + 6 5 stack-state ss6
! 43: \E regs 1 cells + 7 6 stack-state ss7
! 44: \E regs 0 cells + 8 7 stack-state ss8
! 45: \ \E regs 1 cells + 0 -1 stack-state ss0
! 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:
! 59: \E ss0 data-stack S0 set-ss
! 60: \E ss1 data-stack S1 set-ss
! 61: \E ss2 data-stack S2 set-ss
! 62: \E ss3 data-stack S3 set-ss
! 63: \E ss4 data-stack S4 set-ss
! 64: \E ss5 data-stack S5 set-ss
! 65: \E ss6 data-stack S6 set-ss
! 66: \E ss7 data-stack S7 set-ss
! 67: \E ss8 data-stack S8 set-ss
! 68:
! 69: \E IPss1 inst-stream S0 set-ss
! 70: \E IPss1 inst-stream S1 set-ss
! 71: \E IPss1 inst-stream S2 set-ss
! 72: \E IPss1 inst-stream S3 set-ss
! 73: \E IPss1 inst-stream S4 set-ss
! 74: \E IPss1 inst-stream S5 set-ss
! 75: \E IPss1 inst-stream S6 set-ss
! 76: \E IPss1 inst-stream S7 set-ss
! 77: \E IPss1 inst-stream S8 set-ss
! 78:
! 79: \E data-stack to cache-stack
! 80: \E here 9 cache-states 2! s0 , s1 , s2 , s3 , s4 , s5 , s6 , s7 , s8 ,
! 81: \ \E here 2 cache-states 2! s0 , s1 ,
! 82:
! 83: \ !! the following should be automatic
! 84: \E S0 to state-default
! 85: \E state-default to state-in
! 86: \E state-default to state-out
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