#define biglight_height 32
#define biglight_x_hot -1
#define biglight_y_hot -1
-static char biglight_bits[] = {
+static unsigned char biglight_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x00, 0x00, 0x18, 0x00, 0x00,
0x00, 0x06, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,