mist: handle enabling/disabling mockingboard better

mist/link_book_mist_dock.s

@@ -4,11 +4,13 @@
 mist_link_book:
 
 	; turn off music
-sei_smc:
+	lda	SOUND_STATUS
+	and	#SOUND_MOCKINGBOARD
+	beq	skip_turn_off_music
+
 	sei
-
 	jsr	clear_ay_both
-
+skip_turn_off_music:
 
 	; clear screen
 

mist/mist_title.s

@@ -105,6 +105,10 @@ no_language_card:
 mockingboard_found:
 ;       jsr     mockingboard_patch      ; patch to work in slots other than 4?
 
+	lda	SOUND_STATUS
+	ora	#SOUND_MOCKINGBOARD
+	sta	SOUND_STATUS
+
 	;=======================
 	; Set up 50Hz interrupt
 	;========================
@@ -129,11 +133,6 @@ mockingboard_found:
 
 
 mockingboard_notfound:
-	; patch out cli/sei calls
-
-	lda     #$EA
-	sta	cli_smc
-	sta	sei_smc
 
 
 done_setup_sound:
@@ -520,8 +519,13 @@ done_keyloop:
 
 get_mist_book:
 
-cli_smc:
+	; play music if mockingboard
+
+	lda	SOUND_STATUS
+	and	#SOUND_MOCKINGBOARD
+	beq	skip_start_music
 	cli
+skip_start_music:
 
 	lda	#TITLE_BOOK_CLOSED
 	sta	LOCATION

mist/zp.inc

@@ -64,17 +64,7 @@ ENVELOPE_SHAPE  = $7D
 PATTERN_L       = $7E
 PATTERN_H       = $7F
 
-ORNAMENT_L      = $D0
-ORNAMENT_H      = $D1
-SAMPLE_L        = $D2
-SAMPLE_H        = $D3
-LOOP            = $D4
-MB_VALUE        = $D5
-MB_ADDR_L       = $D6
-MB_ADDR_H       = $D7
-DONE_PLAYING    = $D8
-DONE_SONG       = $D9
-PT3_TEMP        = $DA
+; note: rest are up at $d0
 
 
 ; We have to save/restore the following values
@@ -248,11 +238,25 @@ END_OF_SAVE	=	$C9
 
 ; done game puzzle state
 
+; rest of pt3_player
+ORNAMENT_L      = $D0
+ORNAMENT_H      = $D1
+SAMPLE_L        = $D2
+SAMPLE_H        = $D3
+LOOP            = $D4
+MB_VALUE        = $D5
+MB_ADDR_L       = $D6
+MB_ADDR_H       = $D7
+DONE_PLAYING    = $D8
+DONE_SONG       = $D9
+PT3_TEMP        = $DA
+
 
 JOYSTICK_ENABLED=	$DD
 SOUND_STATUS	=	$DE
 	SOUND_DISABLED	= $80
 	SOUND_IN_LC	= $01 ; $01 sound effects in language card
+	SOUND_MOCKINGBOARD = $02 ; mockingboard detected
 
 GRID_PAGE	=	$DF
 ANIMATE_FRAME	=	$E0