yogesh 8085n

8/2/2019 yogesh 8085n

1/17

MicroprocessorLab File (8085)

Faculty Guide Submitted by:

Mr. Lala Bhasker Yogesh Chand Singhal

M.Tech -Weekend (2010-2013)

ECE - IVth Semester

A2326110023

AMITY SCHOOL OF ENGINEERING & TECHNOLOGY, NOIDAAMITY UNIVERSITY, UTTAR PRADESH

8/2/2019 yogesh 8085n

2/17

Experiment No: 1

Aim:Write a program to Add two 16 bit numbers.

Apparatus used: 8085 microprocessor kit and keyboard.

Program:

Address Opcode Label Opcode Comments

2000H2001H2002H2003H2004H2005H2006H2007H2008H2009H200AH200BH200CH200DH200EH

200FH2010H

2AH00H40HEBH2AH02H40H7BH85H6FH7AH8CH67H22H04H

40H76H

LHLD 4000H

XCHGLHLD 4002H

MOV A, EADD LMOV L, AMOV A, D

ADC HMOV H, ASHLD 4004H

HLT

Get first 16 bit number in HL

Save first 16 bit number in DEGet second 16 bit number in HL

Get lower byte of the first numberAdd lower byte of the second numberStore result in L RegisterGet higher byte of first number

Add higher byte of second number with carryStore result in H registerStore result in memory location 4000H & 4005H

Terminate program execution

Data given:

4000H : 15 H First number lower byte4001H : 1CH First number higher byte4002H : B7 H Second number lower byte4003H : 5A H Second number higher byte4004H :CC H Result lower byte4005H 76 H Result higher byte

Result: 1C15H + 5AB7H = 76CCH

8/2/2019 yogesh 8085n

3/17

Flow Chart

8/2/2019 yogesh 8085n

4/17

Experiment No: 2

Aim: To Subtract two 16 bit numbers


2000H2001H2002H

2003H2004H2005H2006H2007H2008H2009H200AH200BH200CH200DH

200EH200FH2010H

4000H4001H4002H4003H4004H4005H

2AH00H40H

EBH2AH02H40H7BH95H6FH7AH9CH67H22H

04H40H76H

19H6AH15H5CH04H0EH

LHLD 4000H

XCHGLHLD 4002H

MOV A, ESUB LMOV L, AMOV A, DSBB HMOV H, ASHLD 4004H

HLT

Get first 16 bit number in HL

Save first 16 bit number in DEGet second 16 bit number in HL

Get lower byte of the first numberSubtract lower byte of the second numberStore result in L RegisterGet higher byte of first numberSubtract higher byte of second num with borrowStore result in H registerStore result in memory location 4000H & 4005H


First number lower byteFirst number higher byteSecond number lower byteSecond number higher byteResult lower byteResult higher byte

Result: 6A19H - 5C15H = OE04H

8/2/2019 yogesh 8085n

5/17

Flow Chart

8/2/2019 yogesh 8085n

6/17

Experiment No: 3

Aim: To Multiply two 8 bit numbers


2000H2001H2002H


200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H

3AH00H40H

5FH16H00H3AH01H40H4FH21H00H00H19H

0DHC2H0DH20H22H02H40H76H

03HB2H16H02H

BACK

LDA 4000H

MOV E, AMVI D, 00H

LDA 4001H

MOV C, ALXI H, 0000H

DAD D

DCR CJNZ BACK

SHLD 4002H

HLT

First numberSecond numberResult lower byteResult higher byte

Result: 03H * B2H = 0216H

8/2/2019 yogesh 8085n

7/17

Flow Chart

8/2/2019 yogesh 8085n

8/17

Experiment No: 4

Aim: To Divide 16 bits number by 8 bit number


2000H2001H2002H


200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H

Result:

8/2/2019 yogesh 8085n

9/17

Experiment No: 5

Aim: To find the 1s complement of a 8 bit number


2000H2001H

2002H2003H2004H2005H2006H2007H

4000H4001H

3AH00H

40H2FH32H01H40H76H

55HAAH

LDA 4000H

CMASTA 4001H

HLT

Get the number

Complement NumberStore the result


Number to be complemented1s Complemented number result

Result: 55H AAH

Flow Chart

8/2/2019 yogesh 8085n

10/17

Experiment No: 6

Aim: To find the 2s complement of a number


2000H2001H2002H2003H2004H2005H2006H2007H2008H2009H

4000H4001H

3AH00H40H2FHC6H01H32H01H40H76H

55HAAH

LDA 4000H

CMAADI, 01H

STA 4001H

HLT

Get the number

Complement Number

Store the result


Number to be complemented2s Complemented number result

Result: 55H AAH

Flow Chart

8/2/2019 yogesh 8085n

11/17

Experiment No: 7

Aim: To find the largest number in an array of numbers


8/2/2019 yogesh 8085n

12/17

2000H2001H2002H2003H2004H

2005H2006H2007H2008H2009H200AH200BH200CH200DH200EH200FH

2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H4004H4005H

3A00404F

AF

210140BED20D207E230DC2

022032054076

04H34H

A9H78H56H

A9H

BACK

SKIP

LDA 4000H

MOV C, AXRA A

LXI H, 4401H

CMP MJNC SKIP

MOV A, MINX HDCR CJNZ BACK

STA 4005H

HLT

Initialize counterMaximum = Minimum possible value = 0

Initialize pointer

Is Number > maximumYes, replace maximum

Store maximum number


Array lengthFirst numberSecond NumberThird numberFourth NumberResult: Largest Number

Result: Largest number A9H

Flow Chart

8/2/2019 yogesh 8085n

13/17

Experiment No: 8

Aim: To find the smallest number in an array of numbers

8/2/2019 yogesh 8085n

14/17


2000H2001H

2002H2003H2004H2005H2006H2007H2008H2009H200AH200BH200CH200DH200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H4004H4005H

Result:

Experiment No: 9

8/2/2019 yogesh 8085n

15/17

Aim: To sort the given numbers in Ascending Order


2000H2001H2002H2003H2004H2005H2006H2007H2008H2009H200AH

200BH200CH200DH200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H4004H4005H

Result:

Experiment No: 10

8/2/2019 yogesh 8085n

16/17

Aim: To sort the given numbers in Descending Order


2000H2001H2002H2003H2004H2005H2006H2007H2008H2009H200AH

200BH200CH200DH200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H4004H4005H

Result:

Experiment No: 11

Aim: To find square root of a 8 bit binary number

8/2/2019 yogesh 8085n

17/17


2000H2001H

2002H2003H2004H2005H2006H2007H2008H2009H200AH200BH200CH200DH200EH200FH2010H2011H2012H2013H2014H2015H

4000H4001H4002H4003H4004H4005H

Result:

Documents

yogesh 8085n