Assembly

Array.asm

stack segment para stack 'stack'
 db 256 dup(0FFH)
stack ends 
;
data segment para public 'data'
 arreglo DB 20 dup(?)
 data  ends
;
code  segment  para  public  'code'
	assume	cs:code
    mov  ax,data
	mov  ds,ax
	assume	ds:data
	;Inicio del programa
    main  proc   far
    
;Entrada de datos    
    mov cx, 20
	mov [si], offset arreglo
Do2:mov ah, 01h
	int 21H
	mov ah,6
	mov dl, ' '
	int 21H
	mov [si], al
	inc si
	loop Do2
	
;hallar mayor	
	call mayor
	mov dx, ax
	
;hallar menor	
	call menor
	mov bx, ax
	
;salida de datos	
    mov cx, 20
    mov si, offset arreglo
Do3:mov ah,02H
    mov al, [si]
    int 21h
    loop Do3
    
 ;mayor
    mov ah, 02H
    mov al,dl
    int 21H
    
;menor
    mov ah, 02H
    mov al,bl
    int 21H

 ;diferencia
    mov ah, 02H
    sub dx,bx
    mov al,dl
    int 21H
    mov ah, 4ch
    int 21H    
    ret
main endp 
	
	mayor proc far
	mov cx, 20
	mov si, offset arreglo
	mov ax, [si]
	inc si
Do:	cmp ax, [si]
	  jl sw
	inc si
	loop Do
sw: mov ax, [si]
    inc si
    loop Do
    ret
    mayor endp
    
    
    menor proc far
    mov cx, 20
	mov si, offset arreglo
	mov ax, [si]
	inc si
Do1:cmp ax, [si]
	  jg sw2
	inc si
	loop Do1
sw2: mov ax, [si]
    inc si
    loop Do1
    ret
    menor endp

   
code ends
 end main