diff --git a/pt3_player/interrupt_handler.s b/pt3_player/interrupt_handler.s
index 6f059cc8..800a8ab4 100644
--- a/pt3_player/interrupt_handler.s
+++ b/pt3_player/interrupt_handler.s
@@ -13,7 +13,8 @@
 TIME_OFFSET	EQU	13
 
 interrupt_handler:
-;	pha			; save A				; 3
+	php
+	pha			; save A				; 3
 				; A is saved in $45 by firmware
 	txa
 	pha			; save X
@@ -292,8 +293,13 @@ exit_interrupt:
 	tay			; restore Y
 	pla
 	tax			; restore X
+
+	pla			; restore a				; 4
+
+	; this is needed on II+/IIe not not IIc
+interrupt_smc:
 	lda	$45		; restore A
-;	pla			; restore a				; 4
+	plp
 
 	rti			; return from interrupt			; 6
 
diff --git a/pt3_player/pt3_player.s b/pt3_player/pt3_player.s
index 31060b00..515485df 100644
--- a/pt3_player/pt3_player.s
+++ b/pt3_player/pt3_player.s
@@ -27,18 +27,47 @@ pt3_setup:
 	jsr	clear_screens
 
 
-	;=======================
-	; Check for Apple II/II+
-	;=======================
+	;===============================
+	; Check for Apple II/II+/IIe/IIc
+	;===============================
 	; this is used to see if we have lowecase support
 
 	lda	$FBB3           ; IIe and newer is $06
 	cmp	#6
-	beq	apple_iie
+	beq	apple_iie_or_newer
 
 	lda	#1		; set if older than a IIe
 	sta	apple_ii
-apple_iie:
+	jmp	done_apple_detect
+apple_iie_or_newer:
+	lda	$FBC0		; 0 on a IIc
+	bne	done_apple_detect
+
+apple_iic:
+	; activate IIc mockingboard?
+	; this might only be necessary to allow detection
+	; I get the impression the Mockingboard 4c activates
+	; when you access any of the 6522 ports in Slot 4
+	lda	#$ff
+	sta	$C403
+	sta	$C404
+
+	; bypass the firmware interrupt handler
+	; should we do this on IIe too? probably faster
+
+	sei				; disable interrupts
+	lda	$c08b			; disable ROM (enable language card)
+	lda	$c08b
+	lda	#<interrupt_handler
+	sta	$fffe
+	lda	#>interrupt_handler
+	sta	$ffff
+
+	lda	#$EA			; nop out the "lda $45" in the irq hand
+	sta	interrupt_smc
+	sta	interrupt_smc+1
+
+done_apple_detect:
 
 	;===============
 	; Init disk code
diff --git a/pt3_player/qkumba_rts.s b/pt3_player/qkumba_rts.s
index 26c3f9f2..20ca1879 100644
--- a/pt3_player/qkumba_rts.s
+++ b/pt3_player/qkumba_rts.s
@@ -73,8 +73,9 @@ rts_init:
 	sta	mlsmc04+1
 	sta	mlsmc05+1
 
-	jsr	$fe93					; clear COUT
-	jsr	$fe89					; clear KEYIN
+	; Are these needed?  they break on iic as we have ROM turned off
+;	jsr	$fe93					; clear COUT
+;	jsr	$fe89					; clear KEYIN
 
 	;========================
 	; Create nibble table