;**************************************************************************
;下面是按方式1給出的一段程式，該程式循環(huán)的用WDT timeout喚醒SLEEP IC，每喚醒一次，P67的輸出改變一次。
;**************************************************************************


;=====================================================
status==0x03
t==4
temp==0x10
;---------------------------------------------------
	org 0x000
	jmp main
	org 0x050
 
 ;-----------------------------------------
main:
	bc 0x05,0      		;select ioc page 0
	mov a,@0x0          ;p6 output
	iow 0x06
	jbs status,t        ;judge power on reset or wdt timeout reset
	jmp main1

	mov a,@0x00         ;port6 output low
	mov 0x06,a
	mov temp,a          ;temp store port6 output
;-----------------------------------------------
main1:
	mov a,temp
	xor a,@0x80
	mov 0xtemp,a        ;temp.7 reverse
	mov 0x06,a          ;port6.7 output
	
	wdtslep             ;use macro

wdtslep macro
	bs 0x05,0      		;select ioc page 1
	mov a,@0b00001000   ;enable wdt
	iow 0x08            ;set prescaler to wdt(ioc81)
	wdtc                ;clr wdt
	slep                ;in sleep mode
	nop
	endm