............................

.org  10h

     ld   A, 4
     ld   B, 2
     add  A, B

     inc  A
     dec  A

...........................

#include  <stdio.h>



/////////////////////////////////
int main()                     //
{

    int n1 = 2;
    int n2 = 4;

    n1 = n1 + n2;

    n1 ++;
    n1 --;
    printf("n2 = %d\n", n1);
}