;黒沢尻工業高校専攻科メカトロニクス工学
;Stop watch program4
;
	include	16f84.h
;
	.osc	hs
	.pwrt	on
	.wdt	off
	.protect off
;
	org	0ch
time	ds	1
tm1	ds	1
tm2	ds	1
tm3	ds	1
;
	org	0
	goto	start
	org	4
	goto	start
;
start	mov	!ra,#1fh
	mov	!rb,#0
	clr	time
	clr	rb
;
main	mov	w,time
	mov	rb,w
	call	wait
	inc	time
	btfsc	ra,0
	goto	main
m0	btfss	ra,0
	goto	m0
	call	waits
m1	btfsc	ra,0
	goto	m1
	clr	time
	mov	w,time
	mov	rb,w
m2	btfss	ra,0
	goto	m2
	call	waits
m3	btfsc	ra,0
	goto	m3
m4	btfss	ra,0
	goto	m4
	goto	main
;
wait	mov	tm3,#1
wait2	clr	tm1
wait0	clr	tm2
wait1	nop
	djnz	tm2,wait1
	djnz	tm1,wait0
	djnz	tm3,wait2
	ret
;
waits	mov	tm3,#10
w2	clr	tm1
w0	clr	tm2
w1	nop
	djnz	tm2,w1
	djnz	tm1,w0
	djnz	tm3,w2
	ret