_Timer0:
	ar2 = 0x02
	ar3 = 0x03
	ar4 = 0x04
	ar5 = 0x05
	ar6 = 0x06
	ar7 = 0x07
	ar0 = 0x00
	ar1 = 0x01
	push	acc
	push	b
	push	dpl
	push	dph
	push	psw
<b>	mov	psw,#0x00 </b><=== SDCC destroys your flag info here