1. Instruction set of 8085 .pdf

8085 Instruction Set

1. •Thenumbersthoseareusedinourdaytodaylife.
•Base:10
•Symbols/digits{0,1,2,3,4,5,6,7,8,9}
Decimal numbers :
Eg.4, 7, 10, 65, 9871 etc.(Numbers)
BCD : Binary Coded Decimal Numbers
4, 7, 10, 65, 9871 etc.
(4)
BCD
, (7)
BCD
, (10)
BCD
, (65)
BCD
, (9871)
BCD
etc.
(65)
BCD
= ( Bin
)
2
(65)
BCD
= ( 0110 0101)
BCD
(1000001)
2
(4)
10
, (7)
10
, (10)
10
, (65)
10
, (9871)
10
etc.
0
1
2
3
4
5
6
7
8
9
100
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
2
2
2
2
2
2
2
2
2
2
0
1
2
3
4
5
6
7
8
9
9
9
9
9
9
9
9
9
9
9
0
1
2
3
4
5
6
7
8
9
100
10
10
10
10
10
10
10
10
10
1
2
3
4
5
6
7
8
9
Decimal number systems:
channel link : https://www.youtube.com/c/ComputerScienceAcademy7

2. •Thenumbersthoseareusedcomputers.(0/1)
•Base:2
•Symbols/digits{0,1}
Binary numbers :
Eg.0, 1, 10, 11, 101, 1010, 11010101 etc.
Dec
(0)
2
, (1)
2
, (10)
2,
(11)
2
, (1010)
2,
Bin
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
1
10
11
100
101
110
111
1000
1001
1010
1011
1100
1101
1110
1111
10000
Binary number systems:
0
1
1
1
0
1
10
10
0
1
11
11
0
1
100
100
0
1
101
101
0
1
110
110
0
1
111
111
0
1
1000
1000
0
1

3. •Thenumbersthoseareusedmicroprocessor
•Base:16
•Symbols/digits{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F}
Hexadecimal numbers :
Eg.0, 1, 10, 45, 9854, 74563,
A, F, 2C, 65D, C000, 3FFFetc.
(10)
16
, (45)
16
, (9854)
16
, (A)
16
, (C000)
16
10 H, 45 H, 9854 H, A H, C000H

4. Symbols/digits{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F}
Hexadecimal numbers :
HexBin(4 bit)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
10
EachHexdigitcanbeconvertedintoits4bitequivalentbinarynumber
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0001 0000
Dec
10
11
12
13
14
15
16
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
28 H = 0010 1000
C000H =
1100 0000 0000 0000
0101 1010 = HEX
5 A