include 'emu8086.inc'

org 100h

gotoxy 13,1
print 'This program performs the arithmetic operation below:', 0
gotoxy 27,3
print '(A + B) * (C - D) + E', 0

gotoxy 35, 5
print 'A = ', 0
gotoxy 39, 5
call scan_num
mov n1, cx

gotoxy 35, 6
print 'B = ', 0
gotoxy 39, 6
call scan_num
add cx, n1
mov n1, cx

gotoxy 35, 7
print 'C = ', 0
gotoxy 39, 7
call scan_num
mov n2, cx

gotoxy 35, 8
print 'D = ', 0
gotoxy 39, 8
call scan_num
sub n2, cx

mov ax, n1
mul n2

gotoxy 35, 9
print 'E = ', 0
gotoxy 39, 9
call scan_num
add ax, cx

gotoxy 15, 11
print 'The result is: ', 0
gotoxy 30, 11
call print_num

int 20h

n1 dw ?
n2 dw ?
define_print_num
define_print_num_uns
define_scan_num
end