void modexPalUpdate1(byte *p);
void modexPalUpdate0(byte *p);
void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/);
void modexPalUpdate1(byte *p);
void modexPalUpdate0(byte *p);
void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/);