WAP in 8086 that can be used for password matching.

WAP in 8086 that can be used for password
matching.


;ABSTRACT : this program inputs a password
;registers used : CS,DS,ES,AX,DX,CX,SI,DI
;port used : fffah
;PROCEDURES : None used

DATA_HERE SEGMENT

PASSWORD DB ‘FAILSAFE’

INPUT_WORD DB 8 DUP(?) ; SPACE FOR USER INPUT

DATA_HERE ENDS

CODE_HERE SEGMENT
ASSUME CS:CODE_HERE,DS:DATA_HERE,
ES:DATA_HERE

MOV AX,DATA_HERE
MOV DS,AX
MOV ES,AX

MOV DX,OFFFEH
AL,99H
OUT DX,AL

LEA SI,PASSWORD
LEA DI, INPUT_WORD
MOV CX,O8H
CLD
REPE CMPSB
JNE SOUND_ALARM
JMP OK
SOUND_ALARM:
MOV AL,01
MOV DX,0FFFAH
OUT DX,AL
HLT
OK: NOP

CODE_HERE ENDS
END