ABOVE:	LDA #$02
	BRA Main

BELOW:	LDA #$00

Main:	STA $53			; 3	3
	STX $54			; 3	6
	REP #$10		; 3	9
	LDX $03			; 4	13
	LDA.l $FF9180,x		; 5	18
	BPL .Return		; 2/3	20/21 + 12
	CPX.w #$1000		; 3	23
	BCS .Return		; 2/3	25/26 + 12
	PEA !RTLaddr		; 5	30
	PEA $FF00		; 5	35
	STA $01,s		; 4	39
	LDA.l $FF8180,x		; 5	44
	PHA			; 3	47
	TDC			; 2	49
	LDA $53			; 3	52
	REP #$21		; 3	55
	ADC $01,s		; 5	60
	TAX			; 2	62
	LDA.l $FF0000,x		; 6	68
	STA $01,s		; 5	73
.Return	SEP #$30		; 3	76
	LDX $54			; 3	79
	RTL			; 6	85
