diff --git a/src/common/segdefs.c b/src/common/segdefs.c
index a2d3bb7db..cf289104f 100644
--- a/src/common/segdefs.c
+++ b/src/common/segdefs.c
@@ -80,3 +80,16 @@ SegDef* DupSegDef (const SegDef* Def)
 
 
 
+const char* SetTypeToStr (unsigned char Type)
+/* Map a segment type into a string */
+{
+    switch (Type) {
+        case SEGTYPE_ABS:       return "abs";
+        case SEGTYPE_ZP:        return "zp";
+        case SEGTYPE_FAR:       return "far";
+        default:                return "unknown";
+    }
+}
+
+
+
diff --git a/src/common/segdefs.h b/src/common/segdefs.h
index c41edaff3..dd7dfbe7d 100644
--- a/src/common/segdefs.h
+++ b/src/common/segdefs.h
@@ -77,6 +77,9 @@ void FreeSegDef (SegDef* D);
 SegDef* DupSegDef (const SegDef* D);
 /* Duplicate a segment definition and return it */
 
+const char* SetTypeToStr (unsigned char Type);
+/* Map a segment type into a string */
+
 
 
 /* End of segdefs.h */