; multi-segment executable file template.
include 'emu8086.inc'

;Es4) Calcolare   a*16b  utilizzando opportunamente lo SHIF

data segment
    ; add your data here!
    a db ?
    b db ?
    due db 2


ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax


    xor ax,ax
    call pthis
    db 13,10, 'Inserisci a:' ,0

     mov ah,1
     int 21h
     sub al,'0'
     mov a,al
    ;
    call pthis
     db 13,10, 'Inserisci b:' ,0
     mov ah,1
     int 21h
     sub al,'0'
     mov b,al
     ;
      ;a*16b
     xor ax,ax
     mov bh,a
     mov al,b

     mov cl,due
     shl cl,4

     mul cl
     mul bh

       ;RIS IN AX

     call pthis
     db 13,10, 'a*16b :' ,0
     mov dl,al
     mov ah,2
     add dl,'0'
     int 21h





   exit:

    mov ax, 4c00h ; exit to operating system.
    int 21h
ends

DEFINE_PTHIS
end start ; set entry point and stop the assembler.