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Diego Abad
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7 views3 pages

Compare String

Uploaded by

Diego Abad
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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.

MODEL SMALL
.STACK 60H
.DATA
STR1 DB "ENTER FIRST STRING HERE ->$"
STR2 DB "ENTER SECOND STRING HERE ->$"
STR11 DB "FIRST STRING : ->$"
STR22 DB "SECOND STRING: ->$"

INSTR1 DB 20 DUP("$")
INSTR2 DB 20 DUP("$")
NEWLINE DB 10,13,"$"
N DB ?
S DB ?
MSG1 DB "BOTH STRING ARE SAME$"
MSG2 DB "BOTH STRING ARE DIFFERENT$"

.CODE
MOV AX,@DATA
MOV DS,AX

LEA SI,INSTR1
LEA DI,INSTR2

;GET STRING
MOV AH,09H
LEA DX,STR1
INT 21H

MOV AH,0AH
MOV DX,SI
INT 21H

MOV AH,09H
LEA DX,NEWLINE
INT 21H

MOV AH,09H
LEA DX,STR2
INT 21H

MOV AH,0AH
MOV DX,DI
INT 21H

MOV AH,09H
LEA DX,NEWLINE
INT 21H

;PRINT THE STRING

MOV AH,09H
LEA DX,STR11
INT 21H

MOV AH,09H
LEA DX,INSTR1+2
INT 21H

MOV AH,09H
LEA DX,NEWLINE
INT 21H

MOV AH,09H
LEA DX,STR22
INT 21H

MOV AH,09H
LEA DX,INSTR2+2
INT 21H

MOV AH,09H
LEA DX,NEWLINE
INT 21H

;STRING COMPARISION
MOV BX,00

MOV BL,INSTR1+1
MOV BH,INSTR2+1

CMP BL,BH
JNE L1

ADD SI,2
ADD DI,2

L2:MOV BL,BYTE PTR[SI]


CMP BYTE PTR[DI],BL
JNE L1
INC SI
INC DI
CMP BYTE PTR[DI],"$"
JNE L2

MOV AH,09H
LEA DX,MSG1
INT 21H

JMP L5

L1:MOV AH,09H
LEA DX,MSG2
INT 21H

L5:
MOV AH,09H
LEA DX,NEWLINE
INT 21H

MOV AH,4CH
INT 21H

END

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