--- gforth/xxxprim	2003/10/05 20:14:10	1.5
+++ gforth/xxxprim	2007/12/31 19:02:24	1.9
@@ -1,12 +1,12 @@
 \ Gforth primitives
 
-\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997,1998,2000,2003,2007 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
+\ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.
 
 \ This program is distributed in the hope that it will be useful,
@@ -15,8 +15,7 @@
 \ 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.
+\ along with this program. If not, see http://www.gnu.org/licenses/.
 
 
 \ WARNING: This file is processed by m4. Make sure your identifiers
@@ -148,13 +147,14 @@
 \E create regs sp2 , sp1 , spTOS ,
 
 \E IPregs 1 0 stack-state IPss1
-\E regs           0 -1 stack-state ss0
+\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 state S0
+\ the first of these is the default state
 \E state S1
+\E state S0
 \E state S2
 \E state S3
 
@@ -171,8 +171,9 @@
 \E data-stack to cache-stack
 \E here 4 cache-states 2! s0 , s1 , s2 , s3 ,
 
-\E S1 to state-in
-\E S1 to state-out
+\E S1 to state-default
+\E state-default to state-in
+\E state-default to state-out
 
 +	( n1 n2 -- n )		core	plus
 n = n1+n2;
@@ -185,5 +186,19 @@ over ( n1 n2 -- n1 n2 n1 )
 
 drop ( n -- )
 
+?branch ( #a_target f -- ) f83	question_branch
+if (f==0) {
+  SET_IP((Xt *)a_target);
+  INST_TAIL; NEXT_P2;
+}
+SUPER_CONTINUE;
+
+noop ( -- )
+
 \E prim-states drop
 \E prim-states over
+
+\E branch-states ?branch
+
+\E gen-transitions noop
+