#define lanceR_width 32
#define lanceR_height 32
-static char lanceR_bits[] = {
+static unsigned char lanceR_bits[] = {
0xfc,0xff,0xff,0x1f,0x04,0x00,0x00,0x30,0x04,0xc0,0x00,0x30,0x04,0xfe,0x1f,
0x30,0x04,0xc0,0x00,0x30,0x08,0xfc,0x0f,0x18,0x08,0xcc,0x0c,0x18,0x08,0xfc,
0x0f,0x18,0x08,0xcc,0x0c,0x18,0x10,0xfc,0x0f,0x0c,0x10,0xc0,0x00,0x0c,0x10,