diff --git a/debug/org.eclipse.cdt.debug.ui/ChangeLog b/debug/org.eclipse.cdt.debug.ui/ChangeLog
index 5370656e4e4..9362f8efe48 100644
--- a/debug/org.eclipse.cdt.debug.ui/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.ui/ChangeLog
@@ -1,3 +1,7 @@
+2004-11-10 Mikhail Khodjaiants
+	Fix for bug 77437: Disassembly blocks with no associated source code has PC pointer on wrong line.
+	* DisassemblyEditorInput.java
+
 2004-11-09 Mikhail Khodjaiants
 	Partial fix for bug 41725: I can't set a breakpoint in a function where I used attach source.
 	* CDTDebugModelPresentation.java
diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyEditorInput.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyEditorInput.java
index a49aec8aaf7..75e52eac7dd 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyEditorInput.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/disassembly/DisassemblyEditorInput.java
@@ -132,7 +132,8 @@ public class DisassemblyEditorInput implements IEditorInput {
 			int result = 0;
 			for ( int i = 0; i < lines.length; ++i ) {
 				IAsmInstruction[] instructions = lines[i].getInstructions();
-				++result;
+				if ( fBlock.isMixedMode() )
+					++result;
 				for ( int j = 0; j < instructions.length; ++j ) {
 					++result;
 					if ( address.equals( instructions[j].getAdress() ) ) {