/*MATRIXM.C - MATRIX/VECTOR MULT. CALLS ASSEMBLY FUNCTION */
volatile int *IO_OUTPUT = (volatile int *) 0x809802; 
extern void matrixmf (float *, float *, int *); /*function*/
main()
{
 float A[3][3] = {{1,2,3},
                  {4,5,6},
                  {7,8,9}};     /*3x3 matrix A            */
                                                          
    float B[3] =  {1,2,3};      /*3x1 vector B            */
 matrixmf ((float *)A, (float *)B, (int *)IO_OUTPUT);
}