exp2a.c

(Ebook-Pdf) Dsp - Real Time Digital Signal Processing (Usando Tms320-55Xx). 有书

/* 
    exp2a.c - Interfacing C with Assembly language
*/

/* Assembly routine */
extern int sum(int *);	  

/* define x1[] as global array */
int x[2]={0x1234,0x4321}; 

/* define result s as global variable */
int s;

void main()
{
    s = sum (x);    /* return sum product */
}