diff --git a/src/gx/CGxDevice.hpp b/src/gx/CGxDevice.hpp
index 9cf9609..d3e2699 100644
--- a/src/gx/CGxDevice.hpp
+++ b/src/gx/CGxDevice.hpp
@@ -4,6 +4,7 @@
 #include "gx/Buffer.hpp"
 #include "gx/CGxCaps.hpp"
 #include "gx/CGxFormat.hpp"
+#include "gx/CGxMonitorMode.hpp"
 #include "gx/CGxMatrixStack.hpp"
 #include "gx/CGxStateBom.hpp"
 #include "gx/Types.hpp"
@@ -51,10 +52,13 @@ class CGxDevice {
         static CGxShader* s_uiPixelShader;
 
         // Static functions
+        static bool AdapterMonitorModes(TSGrowableArray<CGxMonitorMode>& modes);
+        static void ICursorUpdate(EGxTexCommand, uint32_t, uint32_t, uint32_t, uint32_t, void*, uint32_t&, const void*&);
         static void LogOpen();
-        static void LogClose();
         static void Log(const char* format, ...);
         static void Log(const CGxFormat& format);
+        static void LogClose();
+        static uint32_t PrimCalcCount(EGxPrim primType, uint32_t count);
 #if defined(WHOA_SYSTEM_WIN)
         static CGxDevice* NewD3d();
         static CGxDevice* NewD3d9Ex();
@@ -66,8 +70,6 @@ class CGxDevice {
         static CGxDevice* NewGLSDL();
 #endif
         static CGxDevice* NewOpenGl();
-        static uint32_t PrimCalcCount(EGxPrim primType, uint32_t count);
-        static void ICursorUpdate(EGxTexCommand, uint32_t, uint32_t, uint32_t, uint32_t, void*, uint32_t&, const void*&);
 
         // Member variables
         TSGrowableArray<CGxPushedRenderState> m_pushedStates;
@@ -84,7 +86,7 @@ class CGxDevice {
         int32_t intF5C = 0;
         int32_t m_windowVisible = 0;
         int32_t intF64 = 0;
-        int32_t intF6C = 1;
+        int32_t m_needsReset = 1;
         CBoundingBox m_viewport;
         C44Matrix m_projection;
         C44Matrix m_projNative;
diff --git a/src/gx/CGxMonitorMode.cpp b/src/gx/CGxMonitorMode.cpp
new file mode 100644
index 0000000..bd9e289
--- /dev/null
+++ b/src/gx/CGxMonitorMode.cpp
@@ -0,0 +1,8 @@
+#include "gx/CGxMonitorMode.hpp"
+
+int32_t CGxMonitorModeSort(const void* a, const void* b) {
+    auto i = static_cast<const CGxMonitorMode*>(a);
+    auto j = static_cast<const CGxMonitorMode*>(b);
+
+    return (i->size.x * i->size.y) - (j->size.x * j->size.y);
+}
diff --git a/src/gx/CGxMonitorMode.hpp b/src/gx/CGxMonitorMode.hpp
new file mode 100644
index 0000000..a1447cb
--- /dev/null
+++ b/src/gx/CGxMonitorMode.hpp
@@ -0,0 +1,16 @@
+#ifndef GX_C_GX_MONITOR_MODE_HPP
+#define GX_C_GX_MONITOR_MODE_HPP
+
+#include <cstdint>
+#include <tempest/Vector.hpp>
+
+class CGxMonitorMode {
+    public:
+        C2iVector size;
+        uint32_t bpp;
+        uint32_t refreshRate;
+};
+
+int32_t CGxMonitorModeSort(const void* i, const void* j);
+
+#endif
diff --git a/src/gx/Device.cpp b/src/gx/Device.cpp
index f1aac0c..5bb4c21 100644
--- a/src/gx/Device.cpp
+++ b/src/gx/Device.cpp
@@ -5,6 +5,22 @@
 
 CGxDevice* g_theGxDevicePtr = nullptr;
 
+// NOTE: this is a backport from later versions
+// bitmask listing supported gxapis
+uint32_t g_supportedApis = 0
+#if defined(WHOA_SYSTEM_WIN)
+    | (1 << GxApi_D3d9)
+#endif
+
+#if defined(WHOA_SYSTEM_MAC)
+    | (1 << GxApi_GLL)
+#endif
+
+#if defined(WHOA_BUILD_GLSDL)
+    | (1 << GxApi_GLSDL)
+#endif
+;
+
 CGxDevice* GxDevCreate(EGxApi api, int32_t (*windowProc)(void* window, uint32_t message, uintptr_t wparam, intptr_t lparam), const CGxFormat& format) {
     CGxDevice* device = nullptr;
 
@@ -55,13 +71,18 @@ CGxDevice* GxDevCreate(EGxApi api, int32_t (*windowProc)(void* window, uint32_t
         return g_theGxDevicePtr;
     } else {
         if (g_theGxDevicePtr) {
-            delete g_theGxDevicePtr;
+            DEL(g_theGxDevicePtr);
         }
 
         return nullptr;
     }
 }
 
+
+int32_t GxDevExists() {
+    return g_theGxDevicePtr != nullptr;
+}
+
 EGxApi GxDevApi() {
     return g_theGxDevicePtr->m_api;
 }
@@ -73,3 +94,29 @@ void* GxDevWindow() {
 int32_t GxMasterEnable(EGxMasterEnables state) {
     return g_theGxDevicePtr->MasterEnable(state);
 }
+
+EGxApi GxApiDefault() {
+#if defined(WHOA_SYSTEM_WIN)
+    return GxApi_D3d9;
+#endif
+
+#if defined(WHOA_SYSTEM_MAC)
+    return GxApi_GLL;
+#endif
+
+#if defined(WHOA_SYSTEM_LINUX)
+    return GxApi_GLSDL;
+#endif
+}
+
+bool GxApiSupported(EGxApi api) {
+    return (g_supportedApis & static_cast<uint32_t>(api)) != 0;
+}
+
+bool GxAdapterMonitorModes(TSGrowableArray<CGxMonitorMode>& modes) {
+    return CGxDevice::AdapterMonitorModes(modes);
+}
+
+void GxLogOpen() {
+    CGxDevice::LogOpen();
+}
diff --git a/src/gx/Gx.cpp b/src/gx/Gx.cpp
index 72a4ea9..566e582 100644
--- a/src/gx/Gx.cpp
+++ b/src/gx/Gx.cpp
@@ -34,6 +34,9 @@ const char** g_gxShaderProfileNames[GxShTargets_Last] = {
     csProfileNames
 };
 
+static uint32_t s_maxFPS;
+static uint32_t s_maxFPSBk;
+
 const CGxCaps& GxCaps() {
     return g_theGxDevicePtr->Caps();
 }
@@ -71,3 +74,19 @@ void GxLogClose() {
 void GxLog(const char* format, ...) {
     // TODO
 }
+
+void GxSetMaxFPS(uint32_t maxFPS) {
+    s_maxFPS = maxFPS;
+}
+
+void GxSetMaxFPSBk(uint32_t maxFPSBk) {
+    s_maxFPSBk = maxFPSBk;
+}
+
+uint32_t GxGetMaxFPS() {
+    return s_maxFPS;
+}
+
+uint32_t GxGetMaxFPSBk() {
+    return s_maxFPSBk;
+}
diff --git a/src/gx/Gx.hpp b/src/gx/Gx.hpp
index bd01c83..3efb3bb 100644
--- a/src/gx/Gx.hpp
+++ b/src/gx/Gx.hpp
@@ -24,4 +24,12 @@ void GxLogClose();
 
 void GxLog(const char* format, ...);
 
+void GxSetMaxFPS(uint32_t maxFPS);
+
+void GxSetMaxFPSBk(uint32_t maxFPSBk);
+
+uint32_t GxGetMaxFPS();
+
+uint32_t GxGetMaxFPSBk();
+
 #endif