Assembly-Programming/6. ECHO PROGRAM.asm at main · rng70/Assembly-Programming · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

; READ A CHARACTER AND DISPLAY IN NEXT LINE


.MODEL SAMLL


.STACK 100H

.CODE
    MAIN PROC

        ; DISPLAY ? SIGN

        MOV AH, 2
        MOV DL, '?'
        INT 21H

        ; INPUT A CHARACTER

        MOV AH, 1
        INT 21H
        MOV BL, AL

        ; GO TO A NEW LINE

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

        ; DISPLAY THE CHARACTER
        MOV DL, BL
        INT 21H

        ; DOS INTERRUPT
        MOV AH, 4CH
        INT 21H

    MAIN ENDP
 END MAIN