; HALT:	 rev.1 attempts restart, rev. 2 spins
	
HALT:		.if	(OS_REVISION<=1)
		lda	#0
		sta	NMIEN
		sei
		tax
		tay
@1:		dey
		bne	@1
		dex
		bne	@1
@2:		jmp	COLDS
		.else
		jmp	HALT
		.endif