[PDF] Experiment Number -02 Addition of two 8-bit





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Addition of Hexadecimal Numbers

Eastern Mediterranean University. Department of Electrical& Electronic Engineering. Addition of Hexadecimal Numbers. 1+1 = 2. 1+2 = 3. 1+3 = 2+2 = 4.





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Convert each of the following hexadecimal numbers to binary octal



Experiment Number -02

Addition of two 8-bit hexadecimal numbers. APPRATUS REQUIRED Again after taking the program are use HLT instruction its Hex code. 8. Press “NEXT”.



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Hexadecimal Addition Following hexadecimal addition table will help you greatly to handle Hexadecimal addition To use this table simply follow the directions used in this example ? Add A16 and 516 Locate A inthe X column then locate the 5 in the Y column The point in 'sum' area where these two columnsintersect is the sum of two numbers



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Experiment Number -02

PEE-452/PCS-405 Microprocessors Lab

Er. Yadvendra Sharan

Assistant Professor

Department of Electronics & Communication Engineering

Phonics Group of Institutions, Roorkee

Phone: +91-8273990016

yadvendra.sharan@yahoo.com

OBJECT

Addition of two 8-bit hexadecimal numbers

APPRATUS REQUIRED

8085 Microprocessor trainer kit, Keyboard

THEORY

The Intel 8085 is an 8-bit microprocessor produced by Intel and introduced in 1976. It is a software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features. However, it requires less support circuitry, allowing simpler and less expensive microcomputer systems to be built.

In Enter Program into Trainer Kit

1.

2. Sub (key processor represent address field)

3. Enter the address (16 bit) and digit in hex

4.

5. Enter the data

6.

7. Again after taking the program, are use HLT instruction its Hex code

8.

How to executive program

1. 2.

3. Enter the address location in which line program was executed

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PROGRAM

Memory Machine Labels Mnemonics Operands Comments

Address Codes

2000 21 LXI H,2501H

2001 01

2002 25

2003 7E MOV A, M

2004 23 INX H

2005 86 ADD M

2006 23 INX H

2007 77 MOV M, A

2008 EF RST 5

OBSERVAVTION

Before Execution After Execution

Data:

Address Data

2009-
200A-

Result:

Address Data

200B-

RESULT

Thus hexadecimal addition for 8-bit sum is performed successfully by using 8085 trainer kit successfully.

PRECAUTIONS

1. Connections should be proper and tight.

2.

3. Do not touch the line terminals.

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