diff --git a/demos/second/part01_intropan/horiz_scroll.s b/demos/second/part01_intropan/horiz_scroll.s
index 21ca10ad..45be3ddf 100644
--- a/demos/second/part01_intropan/horiz_scroll.s
+++ b/demos/second/part01_intropan/horiz_scroll.s
@@ -7,31 +7,47 @@ pan_loop:
 
 	lda	#0
 	sta	COUNT
+	sta	TICKER
+	sta	P2_OFFSET
 
 pan_outer_outer_loop:
 
 	ldx	#191
 pan_outer_loop:
 
+	; $2000					; 0010 -> 0100 0011 -> 0101
 	lda	hposn_high,X
 	sta	pil_smc1+2
 	sta	pil_smc2+2
 	sta	pil_smc3+2
-
 ;	sta	pil_smc4+2
-;	eor	#$60
-
+	sta	pil_smc6+2
+	; $4000
+	eor	#$60
+	sta	pil_smc5+2
+	sta	pil_smc7+2
+	sta	pil_smc8+2
+	sta	pil_smc9+2
 
+	; $2000
 	lda	hposn_low,X
 	sta	pil_smc1+1
 	sta	pil_smc2+1
+;	sta	pil_smc4+1
+	sta	pil_smc6+1
+	sta	pil_smc5+1
+	sta	pil_smc8+1
+
+	; $2000+1
+
 	sta	pil_smc3+1
 	inc	pil_smc3+1
+	sta	pil_smc7+1
+	inc	pil_smc7+1
+	sta	pil_smc9+1
+	inc	pil_smc9+1
+
 
-;	clc
-;	adc	COUNT
-;	sta	pil_smc3+1
-;	sta	pil_smc4+1
 	stx	XSAVE
 
 
@@ -41,7 +57,7 @@ pan_outer_loop:
 	; updated:  34*39
 
 pil_smc1:
-	ldx	$2000,Y					; 4+
+	ldx	$2000,Y			;			; 4+
 pan_inner_loop:
 
 	lda	left_lookup_main,X			; 4+
@@ -61,25 +77,103 @@ pil_smc2:
 
 ; leftover
 
-;pil_smc3:
-;	lda	$4000
-;pil_smc4:
-;	sta	$2000,Y
+	; X has $2000,39
+	lda	left_lookup_main,X			; 4+
+	sta	TEMPY					; 3
+
+pil_smc5:
+	ldx	$4000					; 4+
+	lda	left_lookup_next,X			; 4+
+	ora	TEMPY					; 3
+
+pil_smc6:
+	sta	$2000,Y					; 5
+
+	; X has $4000
+	lda	left_lookup_main,X			; 4+
+	sta	TEMPY					; 3
+
+pil_smc7:
+	ldx	$4000+1					; 4+
+	lda	left_lookup_next,X			; 4+
+	ora	TEMPY					; 3
+
+pil_smc8:
+	sta	$4000					; 5
+
+	lda	left_lookup_main,X			; 4+
+pil_smc9:
+	sta	$4000+1					; 5
+
+	;   $2038  $2039   $4000    $4001
+	;0 DCCBBAA GGFFEED KJJIIHH  NNMMLLK
+	;1 EDDCCBB HHGGFFE LKKJJII  ~~NNMML
+	;2 FEEDDCC IIHHGGF MLLKKJJ  ~~~~NNM
+	;3 GFFEEDD JJIIHHG NMMLLKK  ~~~~~~N
+	;4 HGGFFEE KKJJIIH ~NNMMLL  ~~~~~~~
+	;5 IHHGGFF LLKKJJI ~~~NNMM  ~~~~~~~
+	;6 JIIHHGG MMLLKKJ ~~~~~NN  ~~~~~~~
+	;7 KJJIIHH NNMMLLK ~~~~~~~  ~~~~~~~
+	;8                 RQQPPOO  UUTTSSR
+
+	; every 8 clicks need to copy over two more columns
 
 	ldx	XSAVE
 
 	dex
 	cpx	#$ff
-	bne	pan_outer_loop
+;	bne	pan_outer_loop
+	beq	done_pan_outer_loop
+	jmp	pan_outer_loop
+done_pan_outer_loop:
 
 	lda	KEYPRESS
 	bmi	done_pan
 
+	; check if update
+	; FIXME: use mod 7 table here
+	inc	TICKER
+	lda	TICKER
+	cmp	#7
+	bne	no_ticker
+
+	lda	#0
+	sta	TICKER
+	inc	P2_OFFSET
+	inc	P2_OFFSET
+
+	ldx	#0
+p2_loop:
+	lda	hposn_low,X
+	sta	GBASL
+	lda	hposn_high,X
+	eor	#$60
+	sta	GBASH
+
+	ldy	P2_OFFSET
+	lda	(GBASL),Y
+	pha
+	iny
+	lda	(GBASL),Y
+	ldy	#1
+	sta	(GBASL),Y
+	dey
+	pla
+	sta	(GBASL),Y
+
+	inx
+	cpx	#192
+	bne	p2_loop
+
+
+no_ticker:
 	inc	COUNT
 	lda	COUNT
 	cmp	#139
+	beq	done_pan
 
-	bne	pan_outer_outer_loop
+;	bne	pan_outer_outer_loop
+	jmp	pan_outer_outer_loop
 
 done_pan:
 	bit	KEYRESET
diff --git a/demos/second/part01_intropan/intro.s b/demos/second/part01_intropan/intro.s
index 9cf79833..fff1aca8 100644
--- a/demos/second/part01_intropan/intro.s
+++ b/demos/second/part01_intropan/intro.s
@@ -143,6 +143,9 @@ intro_start:
 
 	jsr	horiz_pan
 
+	lda	#5
+	jsr	wait_seconds
+
 
 	;============================
 	; draw sprites
diff --git a/demos/second/zp.inc b/demos/second/zp.inc
index f84eb6ff..aff16f93 100644
--- a/demos/second/zp.inc
+++ b/demos/second/zp.inc
@@ -234,6 +234,10 @@ SCROLL_IN	= $F3
 MEMCOUNT	= $F4
 FAKE_KEY_COUNT	= $F5
 
+; OPENER
+TICKER		= $F1
+P2_OFFSET	= $F2
+
 ;==============================================
 ; $FC-$FF we use for in/out pointers
 ;==============================================