diff --git a/chip-6800/support.js b/chip-6800/support.js
index d80c66d..37212de 100644
--- a/chip-6800/support.js
+++ b/chip-6800/support.js
@@ -13,11 +13,11 @@ nodenamereset = 'reset';
 
 presetLogLists=[
                 ['cycle','phi1','phi2'],
-                ['ab','db','rw','vma','Fetch','pc','acca','accb'], // 'x','s'], // p
-                ['ir','sync','Execute'],
-                ['dbi','dbo'],              // internal state
+                ['ab','db','rw','vma','Fetch','pc','acca','accb','ixh','ixl','sph','spl'], // also p
+                ['ir','sync','Execute'],    // instruction fetch and execution control
+                ['dbi','dbo','tmp'],        // internal state
                 ['idb','abh','abl','ablx'], // internal busses
-                ['irq','nmi',nodenamereset,'tsc','dbe','halt','ba'],
+                ['irq','nmi',nodenamereset,'tsc','dbe','halt','ba'], // other pins
         ];
 
 function setupTransistors(){