in a,(4)
	bit 3,a
	jr nz,Cn2_NoOff
;	ld a,2
;	out ($10),a 						;turn off screen
	res OnInterrupt,(iy+OnFlags)
;	call Cn2_debounceon
	ld a,(Cn2_USB_Plugged)
	and %01000000
	jr z,Cn2_Off_NoKillUSBPower
	ld a,2
	out ($54),a
Cn2_Off_NoKillUSBPower:
	ld	a,%00000001
	out	(3),a							;interrupt only on ON key
	set 3,(iy+$12)						;[2nd] pressed (fake it)
	exx
	ex af,af'
	im 1
	call $0038							;call TI-OS interrupt to handle poweroff
	di
	exx
	ex af,af'
;	res OnInterrupt,(iy+OnFlags)
;	ld a,3
;	out ($10),a ;turn on screen
	ret
;	jp