Initial commit

arm9/source/core/Environment.cpp

@@ -0,0 +1,13 @@
+#include <nds.h>
+#include "Environment.h"
+
+u32 Environment::_flags;
+
+void Environment::Initialize()
+{
+    _flags = ENVIRONMENT_FLAGS_NONE;
+    if (isDSiMode())
+    {
+        _flags |= ENVIRONMENT_FLAGS_DSI_MODE;
+    }
+}

arm9/source/core/Environment.h

@@ -0,0 +1,27 @@
+#pragma once
+
+class Environment
+{
+    enum EnvironmentFlags : u32
+    {
+        ENVIRONMENT_FLAGS_NONE = 0,
+
+        ENVIRONMENT_FLAGS_DSI_MODE = (1 << 0),
+        ENVIRONMENT_FLAGS_NOCASH_PRINT = (1 << 1),
+        ENVIRONMENT_FLAGS_IS_NITRO_EMULATOR = (1 << 2),
+        ENVIRONMENT_FLAGS_JTAG_SEMIHOSTING = (1 << 3),
+        ENVIRONMENT_FLAGS_AGB_SEMIHOSTING = (1 << 4),
+        ENVIRONMENT_FLAGS_DLDI = (1 << 5),
+        ENVIRONMENT_FLAGS_ARGV = (1 << 6),
+        ENVIRONMENT_FLAGS_PICO_AGB_ADAPTER = (1 << 7)
+    };
+
+    static u32 _flags;
+
+public:
+    static void Initialize();
+
+    static inline bool IsDsiMode() { return _flags & ENVIRONMENT_FLAGS_DSI_MODE; }
+    static inline bool SupportsDldi() { return _flags & ENVIRONMENT_FLAGS_DLDI; }
+    static inline bool SupportsArgv() { return _flags & ENVIRONMENT_FLAGS_ARGV; }
+};