summaryrefslogtreecommitdiffstats
path: root/Bachelor/Mikroprozessorsysteme1/Praktikum2/aufg3/a3.s03
blob: 09fbd7230956a20f5104ddbc5d556670ebb2c590 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
LSTOUT-
$SFR80515.INC
LSTOUT+


ORG 0000h
MOV DPTR,#0F803h
MOV A,#92h
MOVX @DPTR,A
SETB P1.0
SETB P1.1
SETB P1.1
MOV DPTR,#0F802h
MOV P5,#01h
MOV A,#00h
MOVX @DPTR,A

LAUNCH: JB P1.0, LAUNCH
PAUSE1: JB P1.2, LOOP1
		LJMP 8000h
LOOP1:	JNB P1.1, PAUSE1

CLR C
LOWBYTE: MOV A,P5
		 RLC A
		 MOV P5,A
		 LCALL ZEITVERZ

PAUSE2: JB P1.2, LOOP2
		LJMP 8000h
LOOP2:	JNB P1.1, PAUSE2

		JC HIGHBYTE
		SJMP LOWBYTE
		
HIGHBYTE: MOVX A,@DPTR
		  RLC A
		  MOVX @DPTR,A
		  LCALL ZEITVERZ

PAUSE3: JB P1.2, LOOP3
		LJMP 8000h
LOOP3:	JNB P1.1, PAUSE3

		JC LOWBYTE
		SJMP HIGHBYTE

ZEITVERZ: MOV R0,#64h
EINS: MOV R1,#64h
ZWEI: MOV R2,#31h
DREI: DJNZ R2,DREI
	DJNZ R1,ZWEI
	DJNZ R0,EINS
	RET

END