[OpenBIOS] r483 - trunk/openbios-devel/forth/device

[svn at openbios.org]

Author: blueswirl
Date: 2009-04-12 20:53:37 +0200 (Sun, 12 Apr 2009)
New Revision: 483

Modified:
   trunk/openbios-devel/forth/device/fcode.fs
Log:
Correct b?branch for negative offset branches (Mark Cave-Ayland)

Modified: trunk/openbios-devel/forth/device/fcode.fs
===================================================================
--- trunk/openbios-devel/forth/device/fcode.fs	2009-03-28 14:28:16 UTC (rev 482)
+++ trunk/openbios-devel/forth/device/fcode.fs	2009-04-12 18:53:37 UTC (rev 483)
@@ -436,10 +436,11 @@
 \   Conditional branch FCode. Followed by FCode-offset.
 
 : b?branch
-  setup-tmp-comp ['] do?branch ,
   fcode-offset 0< if \ if we jump backwards, we can forsee where it goes
-    resolve-dest
+    resolve-orig
+    execute-tmp-comp
   else
+    setup-tmp-comp ['] do?branch ,
     here
     0 ,
   then 
@@ -450,7 +451,11 @@
 \   Target of backward branches.
 
 : b(<mark)
+  setup-tmp-comp
+  ['] invert ,
+  ['] do?branch ,
   here
+  0 ,
   ; immediate