diff --git a/028.bs/Makefile b/028.bs/Makefile
index 98d283b..863d5ba 100644
--- a/028.bs/Makefile
+++ b/028.bs/Makefile
@@ -9,7 +9,7 @@ BASE_ADDRESS=4000
 # note: this must be high enough not to conflict with MFMbufE
 
 BOOTBLOCK_ASM=alpine_bootblock.s
-OBJS=out/init.o out/utils.o out/image.o out/blit.o out/joystick.o out/player.o out/items.o out/blitmtext.o out/blittext.o out/music.o out/P6112-Play.o out/splash.o out/background.o
+OBJS=out/init.o out/utils.o out/image.o out/blit.o out/joystick.o out/player.o out/items.o out/blitmtext.o out/blittext.o out/music.o out/P6112-Play.o out/splash.o out/background.o out/sound.o
 
 IMAGES=foreground.png \
 	background.png \
@@ -164,7 +164,13 @@ out/background-map.s: background.tmx
 	@mv background-map.s out
 	@rm background-indexes.s
 
-out/main.o: $(IMAGEDATA) out/background-map.s out/foreground-map.s Makefile link.script.x out/playarea_fade.s out/flags_fade.s out/panelFade.s out/tileFade.s
+out/falling.raw: assets/falling.wav
+	sox assets/falling.wav -b 8 -c 1 -r 8000 out/falling.raw
+
+out/jump.raw: assets/jump.wav
+	sox assets/jump.wav -c 1 -r 13000 -b 8 out/jump.raw
+
+out/main.o: $(IMAGEDATA) out/background-map.s out/foreground-map.s Makefile link.script.x out/playarea_fade.s out/flags_fade.s out/panelFade.s out/tileFade.s out/jump.raw out/falling.raw
 
 setuptiming:
 	$(eval	VASM_EXTRA_ARGS="-DTIMING_TEST=1")
diff --git a/028.bs/P6112-Options.i b/028.bs/P6112-Options.i
index 957d52e..53ee3a2 100644
--- a/028.bs/P6112-Options.i
+++ b/028.bs/P6112-Options.i
@@ -22,7 +22,7 @@ split4=0	;Great time gain, but INCOMPATIBLE with F03, F02, and F01
 		;See ;@@ note for P61_SetPosition.
 
 
-splitchans=1	;#channels to be split off to be decrunched at "playtime frame"
+splitchans=0	;#channels to be split off to be decrunched at "playtime frame"
 		;0=use normal "decrunch all channels in the same frame"
 		;Experiment to find minimum rastertime, but it should be 1 or 2
 		;for 3-4 channels songs and 0 or 1 with less channels.
@@ -41,7 +41,7 @@ p61exec	=0	;0 if execbase is destroyed, such as in a trackmo.
 
 p61fade	=0	;enable channel volume fading from your demo
 
-channels=4	;<4 for game sound effects in the higher channels. Incompatible
+channels=3	;<4 for game sound effects in the higher channels. Incompatible
 		; with splitchans/split4.
 
 playflag=0	;1=enable music on/off capability (at run-time). .If 0, you can
diff --git a/028.bs/assets/falling.wav b/028.bs/assets/falling.wav
new file mode 100644
index 0000000..9908463
Binary files /dev/null and b/028.bs/assets/falling.wav differ
diff --git a/028.bs/assets/jump.wav b/028.bs/assets/jump.wav
new file mode 100644
index 0000000..a29ae60
Binary files /dev/null and b/028.bs/assets/jump.wav differ
diff --git a/028.bs/game1.s b/028.bs/game1.s
index 0a9e606..1555b0e 100644
--- a/028.bs/game1.s
+++ b/028.bs/game1.s
@@ -1,5 +1,5 @@
 	include "includes.i"
-
+	
 	xdef    BigBang
 
 	xdef	pathwayRenderPending
@@ -44,12 +44,21 @@ Entry:
 	move	#$7fff,INTENA(a6) 	; disable all interrupts		
 
 	lea	Level3InterruptHandler,a3
- 	move.l	a3,LVL3_INT_VECTOR			
+ 	move.l	a3,LVL3_INT_VECTOR
 
+
+	if 0
+	lea	Level4InterruptHandler,a3
+ 	move.l	a3,LVL4_INT_VECTOR
+	endif
+
+
+	;; 	move.w	#(INTF_SETCLR|INTF_VERTB|INTF_INTEN),INTENA(a6)	
+	
 	jsr	StartMusic
 	jsr	ShowSplash
 	jsr 	BlueFill	
-	
+
 	;; d0 - fg bitplane pointer offset
 	;; d1 - bg bitplane pointer offset		
 	move.l	#0,d0
@@ -77,8 +86,7 @@ Entry:
 	jsr	Init		  ; enable the playfield
 	jsr	InstallSpriteColorPalette
 
-
-	move.w	#(DMAF_SPRITE|DMAF_BLITTER|DMAF_SETCLR!DMAF_COPPER!DMAF_RASTER!DMAF_MASTER),DMACON(a6)
+	move.w	#(DMAF_SPRITE|DMAF_BLITTER|DMAF_SETCLR|DMAF_COPPER|DMAF_RASTER|DMAF_MASTER),DMACON(a6)
 
 	
 Reset:	
@@ -181,8 +189,12 @@ GameLoop:
 	add.l	#1,frameCount
 	move.l	frameCount,d6			
 	move.l	#FOREGROUND_SCROLL_PIXELS,foregroundScrollPixels
+
 	jsr	WaitVerticalBlank
 
+	MOVE.W  #2,AUD3LEN(a6) ;Set length in words
+	move.l	#emptySound,AUD3LCH(a6)
+	
 	if      TIMING_TEST=1
 	move.l	#4000,d0
 .looooo:
@@ -655,7 +667,16 @@ PostMissedTile:
 
 	
 BigBang:
-	jsr	ResetItems	
+	jsr	PlayFalling
+	move.l	#10,d0
+.loop:
+	jsr	WaitVerticalBlank		
+	dbra	d0,.loop
+	
+	MOVE.W  #2,AUD3LEN(a6) ;Set length in words
+	move.l	#emptySound,AUD3LCH(a6)			
+
+	jsr	ResetItems
 	move.w	#0,moving
 	move.l	#0,frameCount	
 .bigBangLoop:
@@ -789,7 +810,44 @@ Level3InterruptHandler:
 	
 .interruptComplete:
 	movem.l	(sp)+,d0-a6
-	rte	
+	rte
+
+
+	if 0
+Level4InterruptHandler:
+	movem.l	d0-a6,-(sp)
+	lea	CUSTOM,a6
+.checkVerticalBlank:
+	move.w	INTREQR(a6),d0
+	and.w	#INTF_AUD0,d0		
+	beq	.interruptComplete
+
+	move.l	#1000,d0
+.loop:
+	dbra	d0,.loop
+	
+	move.w	#INTF_AUD0,INTREQ(a6)	; clear interrupt bit	
+	MOVE.W  #2,AUD0LEN(a6) ;Set length in words
+	move.l	#jump,AUD0LCH(a6)	
+	move.w	#INTF_AUD0,INTENA(a6)	
+
+	if 0
+	move.w	#DMAF_AUD0,DMACON(a6)
+
+	lea	verticalBlankCounterText,a0
+	bsr	IncrementCounter	
+
+	if 0
+	MOVE.W  #1,AUD0PER(a6)
+        MOVE.W  #0,AUD0VOL(a6) ;Use maximum volume	
+	MOVE.W  #2,AUD0LEN(a6) ;Set length in words		
+	endif
+	endif
+.interruptComplete:
+
+	movem.l	(sp)+,d0-a6
+	rte
+	endif
 
 Message:
 	;; a0 - bitplane
@@ -1479,6 +1537,9 @@ panelFade:
 tileFade:
 	include "out/tileFade.s"
 
+	align	2
+emptySound:
+	dc.l	0
 
 
 	section .bss
diff --git a/028.bs/init.s b/028.bs/init.s
index 3c4505a..a66524f 100644
--- a/028.bs/init.s
+++ b/028.bs/init.s
@@ -5,34 +5,11 @@
 	;; custom chip base globally in a6
 Init:
 	movem.l	d0-a6,-(sp)
-	;; move	#$7ff,DMACON(a6)	; disable all dma
-	;; move	#$7fff,INTENA(a6) ; disable all interrupts	
-
-	;; lea		Level3InterruptHandler,a3
-	;; move.l	a3,LVL3_INT_VECTOR	
 	
 	;; set up playfield
 	move.w  #(RASTER_Y_START<<8)|RASTER_X_START,DIWSTRT(a6)
-	move.w	#((RASTER_Y_STOP-256)<<8)|(RASTER_X_STOP-256),DIWSTOP(a6)
+	move.w	#((RASTER_Y_STOP-256)<<8)|(RASTER_X_STOP-256),DIWSTOP(a6)	
 
-	;; move.w	#(RASTER_X_START/2-SCREEN_RES)-8,DDFSTRT(a6) ; -8 for extra scrolling word
-	;; move.w	#(RASTER_X_START/2-SCREEN_RES)+(8*((SCREEN_WIDTH/16)-1)),DDFSTOP(a6)
-
-	;; enabled 2x the bitplanes as 2x playfields	
-	;; move.w	#(SCREEN_BIT_DEPTH*2<<12)|COLOR_ON|DBLPF,BPLCON0(a6)
-	;; move.w	#BITPLANE_WIDTH_BYTES*SCREEN_BIT_DEPTH-SCREEN_WIDTH_BYTES-2,BPL1MOD(a6) ; -2 for extra scrolling word
-	;; move.w	#BITPLANE_WIDTH_BYTES*SCREEN_BIT_DEPTH-SCREEN_WIDTH_BYTES-2,BPL2MOD(a6)
-
-
-	;; setup sprites
-	
-
-	
-	;; install copper list, then enable dma and selected interrupts
-
-	;; 	move.w	#(DMAF_SPRITE|DMAF_BLITTER|DMAF_SETCLR!DMAF_COPPER!DMAF_RASTER!DMAF_MASTER),DMACON(a6)
 	move.w	#(DMAF_BLITTER|DMAF_SETCLR!DMAF_COPPER!DMAF_RASTER!DMAF_MASTER),DMACON(a6)	
-	;; move.w	#PF2PRI,BPLCON2(a6) 
-	;; move.w	#(INTF_SETCLR|INTF_VERTB|INTF_INTEN),INTENA(a6)
 	movem.l (sp)+,d0-a6
 	rts
\ No newline at end of file
diff --git a/028.bs/player.s b/028.bs/player.s
index 0e14ef6..f805cfb 100644
--- a/028.bs/player.s
+++ b/028.bs/player.s
@@ -157,18 +157,22 @@ ProcessJoystick:
 	cmp.b	#3,joystickpos
  	bne	.notRight
 	move.w	#PLAYER_JUMP_PIXELS+PLAYER_PAUSE_PIXELS,spriteR
+	jsr	PlaySound
 .notRight:
 	cmp.b	#1,joystickpos
  	bne	.notUp
 	move.w	#PLAYER_JUMP_PIXELS+PLAYER_PAUSE_PIXELS,spriteU
+	jsr	PlaySound	
 .notUp:
 	cmp.b	#5,joystickpos
  	bne	.notDown
 	move.w	#PLAYER_JUMP_PIXELS+PLAYER_PAUSE_PIXELS,spriteD
+	jsr	PlaySound	
 .notDown:
 	cmp.b	#7,joystickpos
  	bne	.notLeft
 	move.w	#PLAYER_JUMP_PIXELS+PLAYER_PAUSE_PIXELS,spriteL
+	jsr	PlaySound	
 .notLeft:	
 .skip:
 	rts
diff --git a/028.bs/sound.s b/028.bs/sound.s
new file mode 100644
index 0000000..96cd3fd
--- /dev/null
+++ b/028.bs/sound.s
@@ -0,0 +1,40 @@
+	include "includes.i"
+	xdef	PlaySound
+	xdef	PlayFalling	
+	
+PlaySound:
+	LEA     jump(pc),a1 ;Address of data to
+        MOVE.L  a1,AUD3LCH(a6) ;The 680x0 writes this as though it were a
+        MOVE.W  #123,AUD3PER(a6)
+        MOVE.W  #64,AUD3VOL(a6) ;Use maximum volume
+	MOVE.W  #(endJump-jump)/2,AUD3LEN(a6) ;Set length in words
+	move.w	#(DMAF_AUD3|DMAF_SETCLR),DMACON(a6)
+
+	if 0
+	move.l	#1000,d0
+.loop:
+	dbra	d0,.loop
+	
+	MOVE.W  #2,AUD3LEN(a6) ;Set length in words
+	move.l	#jump,AUD3LCH(a6)
+	endif
+	rts
+
+
+PlayFalling:
+	LEA     falling(pc),a1 ;Address of data to
+        MOVE.L  a1,AUD3LCH(a6) ;The 680x0 writes this as though it were a
+        MOVE.W  #256,AUD3PER(a6)
+        MOVE.W  #25,AUD3VOL(a6) ;Use maximum volume
+	MOVE.W  #(endFalling-falling)/4,AUD3LEN(a6) ;Set length in words
+	move.w	#(DMAF_AUD3|DMAF_SETCLR),DMACON(a6)
+	rts	
+
+	align	4
+jump:
+	incbin	"out/jump.raw"
+endJump:	
+	align	4
+falling:
+	incbin	"out/falling.raw"
+endFalling:
\ No newline at end of file
diff --git a/include/vector.i b/include/vector.i
index 9249735..6420ffe 100644
--- a/include/vector.i
+++ b/include/vector.i
@@ -1 +1,2 @@
 LVL3_INT_VECTOR		equ $6c
+LVL4_INT_VECTOR		equ $70