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| MUDRAS - Program to add two number using 8085
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1. Write a program to add the two given 16 bit numbers.
7AB5 0111 1010 1011 0101
+E52A 1110 0101 0010 1010
15FDF 10101 1111 1101 1111
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Memory location
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Mnemonic
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OPCODE
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Comment
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2000
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CLC AX,0000
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25
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Clear Content of AX register
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2001
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00
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2002
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00
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2003
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MOV BX, 2600
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BB
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Move the memory location 2600 to BX register
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2004
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00
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2005
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26
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2006
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MOV SI, 2500
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BE
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Move the memory location 2500 to SI register
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2007
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00
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2008
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25
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2009
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MOV DI, 2550
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BF
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Move the memory location 2550 to DI register
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200A
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50
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200B
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25
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200C
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MOV AX, [SI]
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8B
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Move the calculated Physical address to AX register
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200D
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04
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200E
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ADD AX, [DI]
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03
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The content of DI is added with AX
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200F
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05
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2010
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MOV [BX], AX
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89
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Move AX to BX register
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2011
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07
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2012
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MOV AX, 0000
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B8
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Clears the AX register
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2013
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00
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2014
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00
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2015
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ADC AX, 0000
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15
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Add the content of AX register with 0000 and store in AX
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2016
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00
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2017
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00
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2018
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MOV [BX+2], AX
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89
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Move AX to BX register by incrementing by 2.
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2019
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47
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201A
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02
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201B
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HLT
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F4
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Stop program
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Addition with Increment:
INR-->RESET-->0500
INPUT
0500-B5
0501-7A
0550-2A
0551-E5
Running the program:
INR-->RESET-->GO 2000-->INR-->RESET-->0600-->INR
OUTPUT:
0600-DF
0601-5F
0602-01
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