PSP Networking refactor

src/duskpsp/system/systempsp.h

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "system/system.h"
+#include <psputility.h>
+
+/**
+ * Returns which PSP system dialog is currently open (if any).
+ * 
+ * @return Currently open system dialog type.
+ */
+systemdialogtype_t systemGetActiveDialogTypePSP();
+
+/**
+ * Returns the PSP_SYSTEMPARAM language for the current system.
+ * 
+ * @return PSP_SYSTEMPARAM language value.
+ */
+int systemPSPGetLanguage();
+
+/**
+ * Returns the user's setting for the PSP "Cross Button" configuration, which
+ * determines whether the "Cross" or "Circle" button is used for "Accept"
+ * actions in system dialogs.
+ * 
+ * @return PSP_UTILITY_ACCEPT_CROSS or PSP_UTILITY_ACCEPT_CIRCLE.
+ */
+int systemPSPGetCrossButtonSetting();