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9 9 1 0 0 1 0 0 0 0 90H 0 1 1 0 1 1 1 1 6FH
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1
2
3
4
5
6
7
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39
38
37
36
35
34
33
32
21
22
23
24
25
26
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b
c
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a
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a
b
c
d
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b
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2
3
4
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6
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2
3
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3
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6
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6
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P0.2
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P0.5
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P2.2
P2.3
P2.4
P2.5
P2.6
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A
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1
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3
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4
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5
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6
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19
18
9
17
16
12
13
14
15
1
2
3
4
5
6
7
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P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
DPY DPY DPY DPY DPY DPY
dp dp dp dp dp dp
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2
4
6
8
11
13
15
17
1
19
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
1
2
5
12
13
14
15
16
17
18
19
8
9
10
7
11
6
3
4
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
29
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11
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m 17.14
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Y
ORG 0000H
MAIN,MOV SP#40H
MOV 30H#123
ACALL BINBCD
MOV R0#31H
n1?
MOV R2#03H A
U 3ê
MOV R3#00000100B 5A?ê
DIS,ACALL DISP
ACALL DELAY 1-I
H 1ms
INC R0 ·_/B3?
MOV AR3
RR A
MOV R3A
DJNZ R2DIS
AJMP MAIN
DISP:MOV A@R0
MOV DPTR#TAB
MOVC A@A+DPTR
MOV DPTR#8004H; 3
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á
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a
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b
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d
e
f
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dp
DPY1
2
3
4
5
6
7
8
510? ×8
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P3.3
MCS 51
?
5 V
m 7.9
E
3áLá
9q
5A
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ORG 1000H
MOV TMOD#60H ?
H 1yT Z
T 2
MOV TH1#0F0H ?
H 1?′
MOV TL1#0F0H
SETB TR1 ??
H 1
MAIN MOV A#00H 9
A
U
S
MOV P1#0C0H
5A
U 0
DISP JB P3.3DISP S??o?|
ACALL DELAY h?ü
H
JB P3.3DISP ? a?è
ü?|
DISP1 JNB P3.3DISP1 S??o?|
ACALL DELAY h?ü
H
NB P3.3DISP1 ? aúè
ü?|
CLR P3.5 T0??á
3μKM
NOP
NOP
SETB P3.5 T0??ˉúè
ü
INC A ?F F 1
MOV R1A i ?F 9
′
ADD A#08H M???
MOV CA@A+PC °V |
5A
U′
MOV P1A
5A
U°V′
MOV AR1 ˉ ?F 9
′
JBC TF1MAIN °??
H 19
n
SJM P DISP 16Q????9
TAB DB 0C0H0F9H0A4H 012
DB 0B0H99H92H 345
DB 82H0F8H80H 678
DB 90H88H83H 9AB
DB 0C6H0A1H86H CDE
DB 8EH F
DEALY MOV R2#14H 10 msü
H
DELAY1 MOV R3#0FAH
DJNZR3$
DJNZR2DEALY1
RET
END
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0 0 1 1 0 0 0 0 0 0 C0H 0 0 1 1 1 1 1 1 3FH
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3 3 1 0 1 1 0 0 0 0 B0H 0 1 0 0 1 1 1 1 4FH
4 4 1 0 0 1 1 0 0 1 99H 0 1 1 0 0 1 1 0 66H
5 5 1 0 0 1 0 0 1 0 92H 0 1 1 0 1 1 0 1 6DH
6 6 1 0 0 0 0 0 1 0 82H 0 1 1 1 1 1 0 1 7DH
7 7 1 1 1 1 1 0 0 0 F8H 0 0 0 0 0 1 1 1 07H
8 8 1 0 0 0 0 0 0 0 80H 0 1 1 1 1 1 1 1 7FH
9 9 1 0 0 1 0 0 0 0 90H 0 1 1 0 1 1 1 1 6FH
A A 1 0 0 0 1 0 0 0 88H 0 1 1 1 0 1 1 1 77H
B B 1 0 0 0 0 0 1 1 83H 0 1 1 1 1 1 0 0 7CH
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H H 1 0 0 0 1 0 0 1 89H 0 1 1 1 0 1 1 0 76H
L L 1 1 0 0 0 1 1 1 C7H 0 0 1 1 1 0 0 0 38H
P P 1 0 0 0 1 1 0 0 8CH 0 1 1 1 0 0 1 1 73H
R R 1 1 0 0 1 1 1 0 CEH 0 0 1 1 0 0 0 1 31H
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1
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1
2
3
4
5
6
7
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39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
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a
bf
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d
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a
b
c
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a
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c
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a
b
c
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a
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a
b
c
d
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dp
a
bf
c
g
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a
b
c
d
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a
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c
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a
b
c
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a
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74LS04
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12
34
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2A 2Y
3A 3Y
4A 4Y
5A 5Y
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1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
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1
2
3
4
5
6
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1
2
3
4
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6
7
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300?×8
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P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
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AD5 PA5
AD6 PA6
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PB
2
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R
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3
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4
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5
PB
6
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7
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PC
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PC
2
PC
3
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4
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8155
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1A2
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14
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12
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9
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7
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74LS244
a
bf
c
g
d
e
a
b
c
d
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bf
c
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a
b
c
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dp
a
bf
c
g
d
e
a
b
c
d
e
f
g
dp
a
bf
c
g
d
e
a
b
c
d
e
f
g
dp
a
bf
c
g
d
e
a
b
c
d
e
f
g
dp
74LS07
12
34
56
89
10
11
12
13
1A 1Y
2A 2Y
3A 3Y
4A 4Y
5A 5Y
6A 6Y
5 V
300?×8
1 k?×6
5 V 1 k?
31
19
18
9
17
16
12
13
14
15
1
2
3
4
5
6
7
8
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
DPY DPY DPY DPY DPY DPY
dp dp dp dp dp dp
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2
4
6
8
11
13
15
17
1
19
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
1
2
5
12
13
14
15
16
17
18
19
8
9
10
7
11
6
3
4
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
29
30
11
10
m 17.14
Bê
5?
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ORG 0000H
MAIN,MOV SP#40H
MOV 30H#123
ACALL BINBCD
MOV R0#31H
n1?
MOV R2#03H A
U 3ê
MOV R3#00000100B 5A?ê
DIS,ACALL DISP
ACALL DELAY 1-I
H 1ms
INC R0 ·_/B3?
MOV AR3
RR A
MOV R3A
DJNZ R2DIS
AJMP MAIN
DISP:MOV A@R0
MOV DPTR#TAB
MOVC A@A+DPTR
MOV DPTR#8004H; 3
g1?
MOVX @DPTRA
MOV AR3
MOV DPTR#8002H ê
gê
g
MOVX @DPTRA
RET
TAB DB 3FH06H5BH4FH66H
DB 6DH7DH07H7FH6FH
END
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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
8
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abcdef
gdp
8155
CE
IO/M
ALE
RD
WR
D0
D7
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P2.0
ALE
P0
RD
WR
8
RESET
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PC0
PC1
PC2
PC3
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
…
5.1 k?
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m 17.16 8155?￥o
aA
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5
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no
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U 2……
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U F b0 jF?A
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3
. 0 7 $ "
! " % 1 5 3 °3?
V
. 0 7 1
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1 g
{
. 0 7 3
ü
H
LOP,MOV R4,#0
LOP1,NOP
NOP
DJNZ R4,LOP1
DJNZ R3,LOP ;ü
H
MOV A,B
RL A ;·_/B?
5
CJNE A,#40H,NEXT ;
B?
5A
U??
INC R0 ;·_/Bê3?
CJNE R0,#10H,WE ;V 0? FA
U??
SJMP DLED
TAB0,DB
0BFH,96H,0DBH,0CFH,0E6H,0EDH,0FDH,087H,0FFH,0
EFH,0F7H,0FCH,0B9H,0DEH,0F9H,0F1H
END
