diff --git a/demos/l/music_256/Makefile b/demos/l/music_256/Makefile
index dd7d8b2e..72c59d7c 100644
--- a/demos/l/music_256/Makefile
+++ b/demos/l/music_256/Makefile
@@ -15,7 +15,7 @@ submit:	hgr_d2_1k.zip
 hgr_d2.dsk:	HELLO D2 VIZ
 	cp $(EMPTY_DISK)/empty.dsk ./hgr_d2.dsk
 	$(DOS33) -y hgr_d2.dsk SAVE A HELLO
-	$(DOS33) -y hgr_d2.dsk -t BIN -a 0x80 BSAVE D2
+	$(DOS33) -y hgr_d2.dsk -t BIN -a 0x7E BSAVE D2
 	$(DOS33) -y hgr_d2.dsk -t BIN -a 0xc00 BSAVE VIZ
 
 ####
@@ -38,7 +38,7 @@ mA2E_2.s:	mA2E_2.txt text_to_tiny
 ####
 
 D2:	d2.o
-	ld65 -o D2 d2.o -C ./apple2_80_zp.inc
+	ld65 -o D2 d2.o -C ./apple2_7e_zp.inc
 
 d2.o:	d2.s \
 	zp.inc hardware.inc \
diff --git a/demos/l/music_256/apple2_80_zp.inc b/demos/l/music_256/apple2_7e_zp.inc
similarity index 83%
rename from demos/l/music_256/apple2_80_zp.inc
rename to demos/l/music_256/apple2_7e_zp.inc
index a911b240..03012003 100644
--- a/demos/l/music_256/apple2_80_zp.inc
+++ b/demos/l/music_256/apple2_7e_zp.inc
@@ -1,5 +1,5 @@
 MEMORY {
-       ZP: start = $80, size = $120, type = rw;
+       ZP: start = $7E, size = $120, type = rw;
        RAM: start = $100, size = $8E00, file = %O;
 }
 
diff --git a/demos/l/music_256/d2.s b/demos/l/music_256/d2.s
index 7dcdd857..3b13283e 100644
--- a/demos/l/music_256/d2.s
+++ b/demos/l/music_256/d2.s
@@ -34,6 +34,7 @@
 ; 237 bytes -- make song terminator #$FF so we don't have to load it
 ; 235 bytes -- note X is $FF on entry to mockingboard entry
 ; 233 bytes -- qkumba noticed we can execute the AY config
+; 252 bytes -- max out visualization
 
 .zeropage
 ;.globalzp       frequencies_low
@@ -92,16 +93,17 @@ viz_smc:
 
 	lda	AY_REGS+4	; 2	; C channel low freq
 	sta	$400,X		; 3
-	lda	AY_REGS+2	; 2	; C channel low freq
+	lda	AY_REGS+2	; 2	; B channel low freq
 	sta	$500,X		; 3
-	lda	AY_REGS+0	; 2	; C channel low freq
+	lda	AY_REGS+0	; 2	; A channel low freq
 	sta	$600,X		; 3
 
 	inc	viz_smc+1	; 2
 
-;	nop
-;	nop
-
+	nop			; 1
+	nop			; 1
+			;==============
+			;	21 bytes for visualization
 
 
 
diff --git a/demos/l/music_256/zp.inc b/demos/l/music_256/zp.inc
index bd276a60..c1aa85b1 100644
--- a/demos/l/music_256/zp.inc
+++ b/demos/l/music_256/zp.inc
@@ -9,7 +9,7 @@ GBASH   = $27
 BASL    = $28
 BASH    = $29
 
-AY_REGS		= $80-$7
+AY_REGS		= $7E-$7
 
 HGR_Y           = $E2
 HGR_COLOR       = $E4