\ stack cache setup \ Copyright (C) 2003 Free Software Foundation, Inc. \ This file is part of Gforth. \ Gforth is free software; you can redistribute it and/or \ modify it under the terms of the GNU General Public License \ as published by the Free Software Foundation; either version 2 \ of the License, or (at your option) any later version. \ This program is distributed in the hope that it will be useful, \ but WITHOUT ANY WARRANTY; without even the implied warranty of \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \ GNU General Public License for more details. \ You should have received a copy of the GNU General Public License \ along with this program; if not, write to the Free Software \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. \E register IPTOS Cell \E register spTOS Cell \ \E register spb Cell \ \E register spc Cell \ \E register spd Cell \E create IPregs IPTOS , \ \E create regs spc , spb , spTOS , \E create regs spTOS , \E IPregs 1 0 stack-state IPss1 \ \E regs 3 cells + 0 -1 stack-state ss0 \ \E regs 2 cells + 1 0 stack-state ss1 \ \E regs 1 cells + 2 1 stack-state ss2 \ \E regs 0 cells + 3 2 stack-state ss3 \E regs 1 cells + 0 -1 stack-state ss0 \E regs 1 0 stack-state ss1 \ the first of these is the default state (for now) \E state S1 \E state S0 \ \E state S2 \ \E state S3 \E ss0 data-stack S0 set-ss \E ss1 data-stack S1 set-ss \ \E ss2 data-stack S2 set-ss \ \E ss3 data-stack S3 set-ss \E IPss1 inst-stream S0 set-ss \E IPss1 inst-stream S1 set-ss \ \E IPss1 inst-stream S2 set-ss \ \E IPss1 inst-stream S3 set-ss \E data-stack to cache-stack \ \E here 4 cache-states 2! s0 , s1 , s2 , s3 , \E here 1 cache-states 2! s0 , s1 , \ !! the following should be automatic \E S1 to state-default \E state-default to state-in \E state-default to state-out