Question

write a program in assembly languge o find if two given strings are of equal lenght

Answer 1

DATA SEGMENT STR1 DB ‘GANGADHAR$’ STR2 DB ‘KOPELLA$’ MSG1 DB 10,13,’LENGTH OF THE STRING 1 IS :- $’ MSG2 DB 10,13,’LENGTH OF THE STRING 2 IS :- $’ MSG3 DB 10,13,’STRING ARE OF EQUAL LENGTH$’ MSG4 DB 10,13,’STRING ARE OF NOT EQUAL LENGTH$’ LEN1 DB 0H LEN2 DB 0H DATA ENDS DISPLAY MACRO MSG MOV AH,9 LEA DX,MSG INT 21H ENDM CODE SEGMENT ASSUME CS:CODE,DS:DATA START: MOV AX,DATA MOV DS,AX LEA SI,STR1 NEXT1: CMP [SI],’$’ JE DONE1 INC LEN1 INC SI JMP NEXT1 DONE1: DISPLAY MSG1 MOV AL,LEN1 ADD AL,30H MOV DL,AL MOV AH,2 INT 21H LEA DI,STR2 NEXT2: CMP [DI],’$’ JE DONE2 INC LEN2 INC DI JMP NEXT2 DONE2: DISPLAY MSG2 MOV AL,LEN2 ADD AL,30H MOV DL,AL MOV AH,2 INT 21H MOV AL,LEN1 CMP AL,LEN2 JE EQUAL DISPLAY MSG4 JMP EXIT EQUAL: DISPLAY MSG3 EXIT: MOV AH,4CH INT 21H CODE ENDS END START