The Trap Door: Data at FC84

FC84: Menu Music Workspace

Working bytes for the two-channel menu tune. MenuMusic_Workspace and FC85 hold the latest stream bytes; FC86 holds the border and speaker output value written to port FE; FC87/FC89 are stream one's cursor and reload address; FC8B/FC8D are stream two's; FC8F holds the shared delay phase.
MenuMusic_Workspace	FC84	DEFB $F4	Latest byte from music stream one.
	FC85	DEFB $13	Latest byte from music stream two.
	FC86	DEFB $00	Border and speaker bits for port FE.
	FC87	DEFW $FE6C	Stream one cursor.
	FC89	DEFW $FE4C	Stream one reload address.
	FC8B	DEFW $FF4A	Stream two cursor.
	FC8D	DEFW $FF2A	Stream two reload address.
	FC8F	DEFB $E8	Shared delay phase for both channels.