FM_MDRU
p = (u_long)inpw(FM_A(FM_MDRU))<<16 ;
#define MDRW(dd) outpw(FM_A(FM_MDRU),(unsigned int)((dd)>>16)) ;\
#define MDRR() (((long)inpw(FM_A(FM_MDRU))<<16) + inpw(FM_A(FM_MDRL)))
#define MDRR() inp2w((FM_A(FM_MDRU)),(FM_A(FM_MDRL)))
#define FMA_FM_MDRU FMA(FM_MDRU)