initialise a memory structure or smth

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

src/header.hh

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+typedef struct {
+    enum class UniqueCode {
+        Old,        // old games
+        New,        // new games
+        Newer,      // unused (newer games)
+        Famicom,    // NES
+        YoshiKoro,  // acceleration sensor
+        Ereader,    // dot code scanner
+        Warioware,  // rumble and z-axis gyro
+        Boktai,     // RTC and solar sensor
+        DrillDozer, // rumble
+    };
+
+    enum class I18n {
+        Japan,
+        Europe,
+        French,
+        Spanish,
+        Usa,
+        German,
+        Italian
+    };
+
+    enum class BootMode {
+        Joybus,
+        Normal,
+        Multiplay
+    };
+
+    uint32_t entrypoint;
+    char title[12];
+    UniqueCode unique_code;
+    char title_code[2];
+    I18n i18n;
+    uint8_t version;
+    BootMode multiboot;
+    uint32_t multiboot_entrypoint;
+    uint8_t slave_id;
+} Header;