diff --git a/PDP8/tests/pdp8_test.ini b/PDP8/tests/pdp8_test.ini
index f3fdca64..7263febb 100644
--- a/PDP8/tests/pdp8_test.ini
+++ b/PDP8/tests/pdp8_test.ini
@@ -14,11 +14,20 @@ set cpu 32k
 set cpu eae
 
 :: AND, TAD, Operate and basic MQ instruction test (D0AB)
+:: This test halts after the first 3 instructions to let the
+:: operator verify that HLT and CLA works before continuing 
+:: onto the real tests.
 echof -n "** PDP-8: Basic Instruction Test (1): "
 load diags/maindec-8e-d0ab-pb.bin
+:: Patch address 5276 with HLT to stop execution after a 
+:: full pass is done or else it will send BEL every 1440
+:: iterations.
+dep 5276 7402
 dep sr 07777
 go -q 200
 if (PC != 0147 || AC != 0) echof "MAINDEC-8/E-D0AB failed."; exit 1
+go -q
+if (PC != 05277) echof "MAINDEC-8/E-D0AB failed."; exit 1
 echof "passed"
 
 :: Autoindexing, Indirect addressing, and the DCA instruction with