Fix game over restart logic and update README

test_gameover_render.c

@@ -0,0 +1,41 @@
+#include <gb/gb.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "player.h"
+#include "gameover.h"
+
+// Define dummy / simple map buffer to clear the screen
+static uint8_t map_buffer[32 * 32];
+
+void main(void) {
+    SPRITES_8x16;
+    
+    // Set standard palettes
+    OBP0_REG = 0xE4;
+    OBP1_REG = 0x1B;
+    BGP_REG = 0xE4;
+    
+    // Clear background (completely black empty tiles)
+    memset(map_buffer, 0, sizeof(map_buffer));
+    set_bkg_tiles(0, 0, 32, 32, map_buffer);
+    
+    // Load player and gameover sprite data
+    set_sprite_data(0, player_TILE_COUNT, player_tiles);
+    set_sprite_data(player_TILE_COUNT, gameover_TILE_COUNT, gameover_tiles);
+    
+    // Render player sprite at center screen (88, 88)
+    move_metasprite(player_metasprites[0], 0, 0, 88, 88);
+    
+    // Render gameover metasprite centered horizontally (88, due to sprite X-offset) and below player (120)
+    move_metasprite(gameover_metasprites[0], player_TILE_COUNT, 8, 88, 120);
+    
+    SHOW_SPRITES;
+    SHOW_BKG;
+    DISPLAY_ON;
+    
+    // Loop forever
+    while (1) {
+        wait_vbl_done();
+    }
+}