sa: modify to not lyrics off the end and print garbage

still_alive/README.still_alive

@@ -1,3 +1,8 @@
+Fun fact:
+	The letter 'Z' does not appear at all in the lyrics to the song.
+	(Noticed when I had to edge comparison for uppercase off by one)
+
+
 Challenges:
 	+ 6-channel audio
 	+ Fitting it all in 48k (want to avoid disk routines if can)

still_alive/TODO

@@ -1,6 +1,5 @@
 + Opening graphics (BASIC)
 + 80-column support
-+ No lowercase for 40-column option?
 + 40 column support
 + Electric Duet support?
 
@@ -10,3 +9,6 @@ Abandoned
 		fitting in 16k
 + six-channel support
 	-- went for 4-channel support instead
++ lowecase for 40-column/speaker option?
+	-- seems like too much complexity, people without 80-col
+		cards will just have to with uppercase

still_alive/interrupt_handler.s

@@ -169,11 +169,25 @@ mb_done_load:
 	lda	A_COARSE_TONE						; 3
 	bpl	mb_not_done						; 3/2nt
 
-	lda	#1		; set done playing			; 2
 
-	jmp	quiet_exit						; 3
-								;===========
-								; typ 6
+quiet_exit:
+	lda	#1		; set done playing			; 2
+	sta	DONE_PLAYING
+	jsr	clear_ay_both
+
+	;=====================================
+	; clear register area
+	;=====================================
+	ldx	#13							; 2
+	lda	#0							; 2
+mb_clear_reg:
+	sta	REGISTER_DUMP,X ; clear register value			; 4
+	sta	REGISTER_OLD,X	; clear old values			; 4
+	dex								; 2
+	bpl	mb_clear_reg						; 2nt/3
+
+	jmp	exit_interrupt
+
 mb_not_done:
 
 	;==============================================
@@ -269,23 +283,6 @@ done_interrupt:
 
 	jsr	display_lyrics
 
-	jmp	exit_interrupt
-
-quiet_exit:
-	sta	DONE_PLAYING
-	jsr	clear_ay_both
-
-	;=====================================
-	; clear register area
-	;=====================================
-	ldx	#13							; 2
-	lda	#0							; 2
-mb_clear_reg:
-	sta	REGISTER_DUMP,X ; clear register value			; 4
-	sta	REGISTER_OLD,X	; clear old values			; 4
-	dex								; 2
-	bpl	mb_clear_reg						; 2nt/3
-
 exit_interrupt:
 
 	pla			; restore a				; 4

still_alive/lyrics.inc

@@ -858,3 +858,9 @@
 .byte	$98,$C9,$D6,$C9,$D4,$00
 ; 8868 "\iY!!\n"
 .byte	$A4,$D9,$A1,$A1,$8D,$00
+; HACK to make sure we don't run off the end waiting for the song to finish
+.byte $A4,$8D,$00
+.byte $A4,$8D,$00
+.byte $A4,$8D,$00
+
+

still_alive/still_alive.s

@@ -133,13 +133,6 @@ mockingboard_found:
 
 	jsr	load_song
 
-	;============================
-	; Init Background
-	;============================
-
-
-
-
 	;============================
 	; Enable 6502 interrupts
 	;============================