void SetReg8( long ad, unsigned char v )
{
  asm( "mov.b r1l,@er0" ) ;
}
unsigned char ReadReg8( long ad )
{
  asm( "mov.b @er0, r1l" ) ;
  asm( "mov.b r1l,r0l" ) ;
}
void SetReg16( long ad, long v )
{
  asm( "mov.w r1,@er0" ) ;
}
unsigned int ReadReg16( long ad )
{
  asm( "mov.w @er0, r0" ) ;
}