#define hibyte(x)       (unsigned char)(x>>8)
#define lobyte(x)        (unsigned char)(x & 0xFF)
#define lobyte_atbank0(x)     (unsigned char)(*(((unsigned char *)&x)+0))
#define hibyte_atbank0(x)     (unsigned char)(*(((unsigned char *)&x)+1))
#define lobyte_atbank1(x)     (unsigned char)(*(((bank1 unsigned char *)&x)+0))
#define hibyte_atbank1(x)     (unsigned char)(*(((bank1 unsigned char *)&x)+1))