/* test multiplication instruction on the Hades TinyMips
 *
 * 04.04.06 fnh
 */


#define BASE  0x00000400


int main( int argc, char** argv ) {
  unsigned int i,j;
  unsigned int a,b,c,d;
  unsigned int *ptr; 

  ptr = (int*) BASE;
  *(ptr-1) = 0xcafebabe;

  // multiplication table 0..15 * 0..15
  for( i = 0; i < 16; i++ ) {
    for( j = 0; j < 16; j++ ) {
      a = i*j;
      *(ptr+16*i+j) = a;
    }
  }

  // some extra checks
  a = 0x0000ffff;
  b = 0x0000fffd;
  *(ptr-4) = (a * b);  // fffc0003

  a = 0xabcdef01;
  b = 0x0030441d;
  c = a / b;           // 0000038f
  d = a % b;           // 000b86ce  
  *(ptr-5) = c;
  *(ptr-6) = d;
  

  // endless loop
  for( i = 0; ; i++ ) {
    *(ptr-2) = 0xcafe0000 + i;
  }
}