-

source/flash.h

@@ -0,0 +1,35 @@
+/*
+GBA Multi Game Menu
+Author: Lesserkuma (github.com/lesserkuma)
+*/
+
+#ifndef FLASH_H_
+#define FLASH_H_
+
+#include "main.h"
+
+#define _FLASH_WRITE(pa, pd)                     \
+    {                                            \
+        *(((vu16 *)AGB_ROM) + ((pa) >> 1)) = pd; \
+        __asm("nop");                            \
+    }
+
+#define MAGIC_FLASH_STATUS 0x414D554B
+#define FLASH_STATUS_LOCATION 0xA0000
+
+typedef struct __attribute__((packed)) FlashStatus_
+{
+    u32 magic;
+    u8 version;
+    u8 battery_present;
+    u16 last_boot_menu_index;
+    u8 last_boot_save_index;
+    SAVE_TYPE last_boot_save_type;
+} FlashStatus;
+
+IWRAM_CODE void FlashDetectType(void);
+IWRAM_CODE void FlashEraseSector(u32 address);
+IWRAM_CODE void FlashWriteData(u32 address, u32 length);
+IWRAM_CODE u8 BootGame(ItemConfig config, FlashStatus status);
+
+#endif