Chase H.Q.: Routine at 88F2

88F2: Starts a sound effect

Used by the routines at main_loop, drive_sfx, tick, check_collisions, smash_handler, hazard_handler_a8cd, hazard_hit, move_hero_car and main_loop_24.

Input
BC	e.g. $0704 $0801 $0604

start_sfx

88F2

LD A,($A238)

If sfx_1 is zero then goto sfx_related_assign

88F5

AND A

88F6

JR Z,sfx_related_assign

88F8

CP C

Return if sfx_1 < C

88F9

RET C

sfx_related_assign

88FA

LD A,B

wordat(sfx_0) = BC

88FB

LD ($A237),A

88FE

LD A,C

88FF

LD ($A238),A

8902

RET

Return