TITLE HOMEWORK03:

; Read a character input, then display it at the next position
; on the same line and beep the computer before exiting.

.MODEL SMALL
.STACK 100H

; Declare variables used in program.
.DATA
MESSAGE DB 'ENTER A CHARACTER:','$'
LETTER	DB ?,'$'

.CODE
MAIN	PROC
	MOV AX,@DATA
	MOV DS,AX

	; Display opening message.
	MOV AH,9
	LEA DX,MESSAGE
	INT 21H

	; Read input character and store into variable LETTER.
	MOV AH,1
	INT 21H
	MOV LETTER,AL

	; Display input character.
	MOV AH,9
	LEA DX,LETTER
	INT 21H

	; Beep the computer when exit.
	MOV AH,2
	MOV DL,07H
	INT 21H

	; Exit to DOS.
	MOV AH,4CH
	INT 21H
MAIN ENDP
    END MAIN