/************************************************************************
                           SHM Definitions                     19 July 87
************************************************************************/
#define FAST register
#define NL 0
#define RP Wdw->RPort
#define XMAX 640
#define YMAX 200
#define TWOPI 6.2834
#define DT 0.04
#define DMAX (0.05*DT/TWOPI)
#define FMAX  3.000
#define CMAX 1.000
