Krakout: Maybe start the golden brick's idle twinkle

B0BF: Maybe start the golden brick's idle twinkle

Starts the golden brick's idle twinkle on a random gate.
check_golden_twinkle	B0BF	LD HL,(scan_cell_ptr)	Only a golden brick that stands twinkles.
	B0C2	LD A,(HL)
	B0C3	CP $59
	B0C5	RET NZ
	B0C6	LD A,(golden_flash_timer)	Skip while a twinkle already plays.
	B0C9	OR A
	B0CA	RET NZ
	B0CB	CALL next_random	Random gate: about one scan in 64
	B0CE	AND $3F
	B0D0	RET NZ
	B0D1	LD A,$01	Start the 15-step flash timer.
	B0D3	LD (golden_flash_timer),A	Start the 15-step flash timer.
	B0D6	LD HL,(scan_entry_ptr)	Queue the twinkle's class in this slot's brick state map entry, from sub-frame zero.
	B0D9	LD (HL),$12
	B0DB	INC HL
	B0DC	LD (HL),$00
	B0DE	RET

Routines