adjust mask for MSB of demarshall code to take into account 'shift'  (fixes bug in examples/simple)
adjust mask for MSB of demarshall code to take into account 'shift'  (fixes bug in examples/simple)

cambridgehackers/connectal,cambridgehackers/connectal,hanw/connectal,cambridgehackers/connectal,chenm001/connectal,csail-csg/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal,hanw/connectal,cambridgehackers/connectal,8l/connectal,cambridgehackers/connectal,8l/connectal,chenm001/connectal,chenm001/connectal,chenm001/connectal,csail-csg/connectal,8l/connectal,csail-csg/connectal,csail-csg/connectal,hanw/connectal,8l/connectal,8l/connectal,hanw/connectal