#define scroll_width 16
#define scroll_height 16
static char scroll_bits[] = {
0xfc, 0x3f, 
0x07, 0xe0, 
0x07, 0xe0, 
0xfc, 0x3f, 
0x04, 0x20, 
0x08, 0x10, 
0x08, 0x10, 
0x08, 0x10, 
0x08, 0x10, 
0x08, 0x10, 
0x08, 0x10, 
0x04, 0x20, 
0xfc, 0x3f, 
0x07, 0xe0, 
0x07, 0xe0, 
0xfc, 0x3f, 

};