Assembly LAB: Find Smallest Number
.MODEL SMALL
.STACK 100H
.DATA
STR_1 DB 'Enter the First number : $'
STR_2 DB 'Enter the Second number : $'
STR_3 DB 'The smallest number is : $'
.CODE
MAIN PROC
MOV AX, @DATA ; initialize DS
MOV DS, AX
LEA DX, STR_1 ; load and print STR_1
MOV AH, 9
INT 21H
MOV AH, 1 ; read a character
INT 21H
MOV BL, AL ; save the input character into BL
MOV AH, 2 ; carriage return
MOV DL, 0DH
INT 21H
MOV DL, 0AH ; line feed
INT 21H
LEA DX, STR_2 ; load and print STR_2
MOV AH, 9
INT 21H
MOV AH, 1 ; read a character
INT 21H
MOV BH, AL ; save the input character into BH
MOV AH, 2 ; carriage return
MOV DL, 0DH
INT 21H
MOV DL, 0AH ; line feed
INT 21H
LEA DX, STR_3 ; load and print STR_3
MOV AH, 9
INT 21H
CMP BL, BH ; compare the BL and BH
JNBE @ELSE ; jump to label @ELSE if BL>BH
MOV DL, BL ; move first character into DL
JMP @DISPLAY ; jump to label @DISPLAY
@ELSE: ; jump label
MOV DL, BH ; move second character into DL
@DISPLAY: ; jump label
MOV AH, 2 ; print the character
INT 21H
MOV AH, 4CH ; return control to DOS
INT 21H
MAIN ENDP
END MAIN
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