diff --git a/Source/HBIOS/ctcstub.asm b/Source/HBIOS/ctcstub.asm
new file mode 100644
index 00000000..4551502e
--- /dev/null
+++ b/Source/HBIOS/ctcstub.asm
@@ -0,0 +1,20 @@
+;___CTC________________________________________________________________________________________________________________
+;
+; Z80 CTC STUB
+;
+;   DISPLAY CONFIGURATION DETAILS
+;______________________________________________________________________________________________________________________
+;
+CTC_INIT:				; MINIMAL INIT
+CTC_PRTCFG:
+	; ANNOUNCE PORT
+	CALL	NEWLINE			; FORMATTING
+	PRTS("CTC$")			; FORMATTING
+;	LD	A,(IY)			; DEVICE NUM
+;	CALL	PRTDECB			; PRINT DEVICE NUM
+	PRTS(": IO=0x$")		; FORMATTING
+	LD	A,CTCBASE		; GET BASE PORT
+	CALL	PRTHEXBYTE		; PRINT BASE PORT
+;
+	XOR	A
+	RET