#define bishopPR_height 32
#define bishopPR_x_hot -1
#define bishopPR_y_hot -1
-static char bishopPR_bits[] = {
+static unsigned char bishopPR_bits[] = {
0xff, 0xff, 0xff, 0x7f, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0,
0x01, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x02, 0x00, 0x00, 0xc0,
0x02, 0x18, 0x00, 0x60, 0x02, 0xbc, 0xcd, 0x60, 0x02, 0x8c, 0xcd, 0x60,