Add splash screen functionality and update game state management

- Introduced GAME_SPLASH_SCREEN state in game.h
- Implemented splash_screen_init and splash_screen_update functions in splash_screen.c
- Updated game.c to initialize with GAME_SPLASH_SCREEN and handle splash screen updates
- Removed old splash screen code from main.c

source/main.c

@@ -18,10 +18,6 @@
 #include "soundbank.h"
 #include "soundbank_bin.h"
 
-#define SPLASH_FPS 60
-#define SPLASH_DURATION_SECONDS 10
-#define SPLASH_DURATION_FRAMES (SPLASH_FPS * SPLASH_DURATION_SECONDS)
-
 void init()
 {
     irq_init(NULL);
@@ -71,23 +67,6 @@ void init()
 
     REG_DISPCNT = DCNT_MODE1 | DCNT_OBJ_1D | DCNT_BG0 | DCNT_BG1 | DCNT_BG2 | DCNT_OBJ | DCNT_WIN0 | DCNT_WIN1;
 
-    // Splash screen
-    tte_printf("#{P:72,8; cx:0xF000}DISCLAIMER");
-    tte_printf("#{P:8,24; cx:0xF000}This project is NOT endorsed \n by or affiliated with \n Playstack or LocalThunk.\n\n If you have paid for this, \n you have been scammed \n and should request a refund \n IMMEDIATELY. \n\n The only official place \n to obtain this is from: \n\n 'github.com/\n  cellos51/balatro-gba'");
-    tte_printf("#{P:8,144; cx:0xF000}(Press any key to skip)");
-    for (int i = 0; i < SPLASH_DURATION_FRAMES; i++)
-    {
-        VBlankIntrWait();
-        key_poll();
-        if (key_hit(KEY_A | KEY_B | KEY_START | KEY_SELECT)) // Skip intro
-        {
-            break;
-        }
-        tte_erase_rect_wrapper((Rect){208, 144, 240, 152});
-        tte_printf("#{P:208,144; cx:0xF000}%d", 1 + (SPLASH_DURATION_FRAMES - i) / SPLASH_FPS);
-    }
-    tte_erase_screen();
-
     // Initialize subsystems
     mmInitDefault((mm_addr)soundbank_bin, 12);
     mmStart(MOD_MAIN_THEME, MM_PLAY_LOOP);