MICRO EXAM

.MODEL SMALL
.STACK 100H
.DATA

A DB ?
B DB ?
C DB ?

MSG1 DB "A is the smallest number $"
MSG2 DB "B is the second smallest number $"
MSG3 DB "A is not the smallest number $"


.CODE

MAIN PROC


    ;INITIALIZE DATA SEGMENT
    MOV AX, @DATA
    MOV DS, AX


    MOV AH,1
    INT 21H
    MOV A,AL
    SUB A,30H

    MOV AH,2
    MOV DL,0AH
    INT 21H
    MOV DL,0DH
    INT 21H

    MOV AH,1
    INT 21H
    MOV B,AL
    SUB B,30H

    MOV AH,2
    MOV DL,0AH
    INT 21H
    MOV DL,0DH
    INT 21H

    MOV AH,1
    INT 21H
    MOV C,AL
    SUB C,30H

    MOV AH,2
    MOV DL,0AH
    INT 21H
    MOV DL,0DH
    INT 21H



    MOV AL,A
    CMP AL,B
    JL LEVEL1
    JMP ELSE

    LEVEL1:
    MOV AL,A
    CMP AL,C
    JL LEVEL2
    JMP ELSE

    LEVEL2:
    MOV AH,9
    LEA DX,MSG1
    INT 21H

    MOV AH,2
    MOV DL,0AH
    INT 21H
    MOV DL,0DH
    INT 21H


    MOV BL,B
    CMP BL,C
    JL LEVEL3
    JMP EXIT

    LEVEL3:
    MOV AH,9
    LEA DX,MSG2
    INT 21H
    JMP EXIT


    ELSE:
    MOV AH,9
    LEA DX,MSG3
    INT 21H


    EXIT:

    ;RETURNING CONTROL TO OS
    MOV AH,4CH
    INT 21H

    MAIN ENDP
END MAIN