Write / supply on this page, a small program that will determine what EOF (Control Z) is for an assembly language program.

Camron: This program will print out the ascii value of an entered charater. If you run this program and enter Ctrl+Z, the program prints out 26 which is the value of the EOF character.

.MODEL SMALL
    .586
    .STACK 100h
    .DATA

Prompt DB  'Enter the character you want to find the ascii value of :','$'
Message1 DB 13,10,'The ascii value of ','$'
Message2 DB ' is ','$'

    .CODE
EXTRN PutDec : NEAR
ctrlz   PROC
    mov ax, @data
    mov ds, ax
    mov dx, OFFSET Prompt
    mov ah, 9h
    int 21h          
	mov ah,1h 
	int 21h
	mov bl,al
    mov dx, OFFSET Message1
    mov ah, 9h
    int 21h    	
	mov dl,bl
	mov ah,2h
	int 21h
	mov dx, OFFSET Message2
    mov ah, 9h
    int 21h    
	mov al,bl
	mov ah,0
	call PutDec
	mov al, 0           
	mov ah, 4ch
	int 21h         
ctrlz   ENDP
END ctrlz

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