7F01D5EC	5211C	set stage, mode, briefing for ramrom replay
	accepts: A0=stage#
LUI	AT,8003
ADDIU	SP,SP,FFE8
SW	R0,A8F0 (AT)	;0->8002A8F0: mode=solo
SW	RA,0014 (SP)
LUI	AT,8003
JAL	7F00DCC0	;V0=briefing for solo stage A0
SW	A0,A8F4 (AT)	;A0->8002A8F4: A0->selected stage
LW	RA,0014 (SP)
LUI	AT,8003
SW	V0,A8F8 (AT)	;V0->8002A8F8: selected mission briefing page
JR	RA
ADDIU	SP,SP,0018

[+_+]

used three times:
 6D0C	7000610C	
F5278	7F0C0748	record or replay at stage start
F53A4	7F0C0874	replay recorded movie at hardware address A0
