rework assets

assets.h

@@ -1,39 +1,43 @@
 #define tile_0_width 8
 #define tile_0_height 8
 static uint8_t tile_0_bits[] = {
-  0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, };
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, };
 #define tile_1_width 8
 #define tile_1_height 8
 static uint8_t tile_1_bits[] = {
-  0x81, 0x10, 0x18, 0x10, 0x10, 0x10, 0x10, 0x81, };
+  0x00, 0x10, 0x18, 0x10, 0x10, 0x10, 0x10, 0x00, };
 #define tile_2_width 8
 #define tile_2_height 8
 static uint8_t tile_2_bits[] = {
-  0x81, 0x1C, 0x20, 0x20, 0x18, 0x04, 0x3C, 0x81, };
+  0x00, 0x1C, 0x20, 0x20, 0x18, 0x04, 0x3C, 0x00, };
 #define tile_3_width 8
 #define tile_3_height 8
 static uint8_t tile_3_bits[] = {
-  0x81, 0x1C, 0x20, 0x20, 0x18, 0x20, 0x1C, 0x81, };
+  0x00, 0x1C, 0x20, 0x20, 0x18, 0x20, 0x1C, 0x00, };
 #define tile_4_width 8
 #define tile_4_height 8
 static uint8_t tile_4_bits[] = {
-  0x81, 0x04, 0x14, 0x14, 0x3C, 0x10, 0x10, 0x81, };
+  0x00, 0x04, 0x14, 0x14, 0x3C, 0x10, 0x10, 0x00, };
 #define tile_5_width 8
 #define tile_5_height 8
 static uint8_t tile_5_bits[] = {
-  0x81, 0x3C, 0x04, 0x1C, 0x20, 0x20, 0x1C, 0x81, };
+  0x00, 0x3C, 0x04, 0x1C, 0x20, 0x20, 0x1C, 0x00, };
 #define tile_6_width 8
 #define tile_6_height 8
 static uint8_t tile_6_bits[] = {
-  0x81, 0x18, 0x24, 0x04, 0x1C, 0x24, 0x18, 0x81, };
+  0x00, 0x18, 0x24, 0x04, 0x1C, 0x24, 0x18, 0x00, };
 #define tile_7_width 8
 #define tile_7_height 8
 static uint8_t tile_7_bits[] = {
-  0x81, 0x3C, 0x20, 0x20, 0x10, 0x08, 0x08, 0x81, };
+  0x00, 0x3C, 0x20, 0x20, 0x10, 0x08, 0x08, 0x00, };
 #define tile_8_width 8
 #define tile_8_height 8
 static uint8_t tile_8_bits[] = {
-  0x81, 0x18, 0x24, 0x18, 0x24, 0x24, 0x18, 0x81, };
+  0x00, 0x18, 0x24, 0x18, 0x24, 0x24, 0x18, 0x00, };
+#define tile_flag_width 8
+#define tile_flag_height 8
+static uint8_t tile_flag_bits[] = {
+  0xFF, 0x81, 0xB9, 0x89, 0x89, 0x9D, 0x81, 0xFF, };
 #define tile_mine_width 8
 #define tile_mine_height 8
 static uint8_t tile_mine_bits[] = {
@@ -42,7 +46,3 @@ static uint8_t tile_mine_bits[] = {
 #define tile_uncleared_height 8
 static uint8_t tile_uncleared_bits[] = {
   0xFF, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0xFF, };
-#define tile_flag_width 8
-#define tile_flag_height 8
-static uint8_t tile_flag_bits[] = {
-  0xFF, 0x81, 0xB9, 0x89, 0x89, 0x9D, 0x81, 0xFF, };