How can I take mod of a number in assembly in Motorola M6800

Question

How can I take mod of a number for instance a%9 in assembly in Motorola M6800.Please tell me which mnemonics should I use.

Answer 1

using easy 68k

#include 
using namespace std;
int main ()
{

    {cout << "THE MULTIPLES OF THREE FROM 1-30 ARE: " <