refactor all common parts and games

common/platform/system.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "platform/vfs.h"
+
+
+struct dipsw_config
+{
+    wchar_t label[MAX_PATH];
+    wchar_t on[MAX_PATH];
+    wchar_t off[MAX_PATH];
+};
+
+
+struct system_config {
+    bool enable;
+    bool freeplay;
+    bool dipsw[8];
+    struct dipsw_config dipsw_config[8];
+};
+
+HRESULT system_init(const struct system_config *cfg, const struct vfs_config *vfs_cfg);