diff --git a/binding/binding-mri.cpp b/binding/binding-mri.cpp
index 09d92c0..3b9d3cf 100644
--- a/binding/binding-mri.cpp
+++ b/binding/binding-mri.cpp
@@ -104,6 +104,7 @@ void CUSLBindingInit();
 
 void httpBindingInit();
 
+RB_METHOD(mkxpDelta);
 RB_METHOD(mriPrint);
 RB_METHOD(mriP);
 RB_METHOD(mkxpDataDirectory);
@@ -188,6 +189,7 @@ static void mriBindingInit() {
         assert(!"unreachable");
     
     VALUE mod = rb_define_module("System");
+    _rb_define_module_function(mod, "delta", mkxpDelta);
     _rb_define_module_function(mod, "data_directory", mkxpDataDirectory);
     _rb_define_module_function(mod, "set_window_title", mkxpSetTitle);
     _rb_define_module_function(mod, "show_settings", mkxpSettingsMenu);
@@ -244,6 +246,7 @@ static void printP(int argc, VALUE *argv, const char *convMethod,
     showMsg(RSTRING_PTR(dispString));
 }
 
+
 RB_METHOD(mriPrint) {
     RB_UNUSED_PARAM;
     
@@ -260,6 +263,12 @@ RB_METHOD(mriP) {
     return Qnil;
 }
 
+RB_METHOD(mkxpDelta) {
+    RB_UNUSED_PARAM;
+    
+    return ULL2NUM(shState->runTime());
+}
+
 RB_METHOD(mkxpDataDirectory) {
     RB_UNUSED_PARAM;
     
diff --git a/binding/graphics-binding.cpp b/binding/graphics-binding.cpp
index 91bb7eb..2fab797 100644
--- a/binding/graphics-binding.cpp
+++ b/binding/graphics-binding.cpp
@@ -25,6 +25,12 @@
 #include "binding-types.h"
 #include "exception.h"
 
+RB_METHOD(graphicsDelta) {
+    RB_UNUSED_PARAM;
+    
+    return ULL2NUM(shState->graphics().getDelta());
+}
+
 RB_METHOD(graphicsUpdate)
 {
     RB_UNUSED_PARAM;
@@ -255,6 +261,7 @@ void graphicsBindingInit()
 {
     VALUE module = rb_define_module("Graphics");
     
+    _rb_define_module_function(module, "delta", graphicsDelta);
     _rb_define_module_function(module, "update", graphicsUpdate);
     _rb_define_module_function(module, "freeze", graphicsFreeze);
     _rb_define_module_function(module, "transition", graphicsTransition);
diff --git a/binding/input-binding.cpp b/binding/input-binding.cpp
index bc650cb..0b18297 100644
--- a/binding/input-binding.cpp
+++ b/binding/input-binding.cpp
@@ -28,6 +28,12 @@
 #include <SDL_joystick.h>
 #include <string>
 
+RB_METHOD(inputDelta) {
+    RB_UNUSED_PARAM;
+    
+    return ULL2NUM(shState->input().getDelta());
+}
+
 RB_METHOD(inputUpdate) {
     RB_UNUSED_PARAM;
     
@@ -138,6 +144,19 @@ RB_METHOD(inputCount) {
     return UINT2NUM(shState->input().count(num));
 }
 
+RB_METHOD(inputRepeatTime) {
+    RB_UNUSED_PARAM;
+    
+    rb_check_argc(argc, 1);
+    
+    VALUE button;
+    rb_scan_args(argc, argv, "1", &button);
+    
+    int num = getButtonArg(&button);
+    
+    return ULL2NUM(shState->input().repeatTime(num));
+}
+
 RB_METHOD(inputPressEx) {
     RB_UNUSED_PARAM;
     
@@ -208,6 +227,20 @@ RB_METHOD(inputCountEx) {
     return UINT2NUM(shState->input().repeatcount(NUM2INT(button), 1));
 }
 
+RB_METHOD(inputRepeatTimeEx) {
+    RB_UNUSED_PARAM;
+    
+    VALUE button;
+    rb_scan_args(argc, argv, "1", &button);
+    
+    if (SYMBOL_P(button)) {
+        int num = getScancodeArg(&button);
+        return ULL2NUM(shState->input().repeatTimeEx(num, 0));
+    }
+    
+    return ULL2NUM(shState->input().repeatTimeEx(NUM2INT(button), 1));
+}
+
 RB_METHOD(inputDir4) {
     RB_UNUSED_PARAM;
     
@@ -357,17 +390,20 @@ static elementsN(buttonCodes);
 void inputBindingInit() {
     VALUE module = rb_define_module("Input");
     
+    _rb_define_module_function(module, "delta", inputDelta);
     _rb_define_module_function(module, "update", inputUpdate);
     _rb_define_module_function(module, "press?", inputPress);
     _rb_define_module_function(module, "trigger?", inputTrigger);
     _rb_define_module_function(module, "repeat?", inputRepeat);
     _rb_define_module_function(module, "release?", inputRelease);
     _rb_define_module_function(module, "count", inputCount);
+    _rb_define_module_function(module, "time?", inputRepeatTime);
     _rb_define_module_function(module, "pressex?", inputPressEx);
     _rb_define_module_function(module, "triggerex?", inputTriggerEx);
     _rb_define_module_function(module, "repeatex?", inputRepeatEx);
     _rb_define_module_function(module, "releaseex?", inputReleaseEx);
     _rb_define_module_function(module, "repeatcount", inputCountEx);
+    _rb_define_module_function(module, "timeex?", inputRepeatTimeEx);
     _rb_define_module_function(module, "dir4", inputDir4);
     _rb_define_module_function(module, "dir8", inputDir8);
     
diff --git a/src/display/graphics.cpp b/src/display/graphics.cpp
index 7901c92..e6926fc 100644
--- a/src/display/graphics.cpp
+++ b/src/display/graphics.cpp
@@ -421,6 +421,9 @@ struct GraphicsPrivate {
     int frameCount;
     int brightness;
     
+    unsigned long long last_update;
+    
+    
     FPSLimiter fpsLimiter;
     
     // Can be set from Ruby. Takes priority over config setting.
@@ -440,7 +443,7 @@ struct GraphicsPrivate {
     screen(scRes.x, scRes.y), threadData(rtData),
     glCtx(SDL_GL_GetCurrentContext()), frameRate(DEF_FRAMERATE),
     frameCount(0), brightness(255), fpsLimiter(frameRate),
-    useFrameSkip(rtData->config.frameSkip), frozen(false) {
+    useFrameSkip(rtData->config.frameSkip), frozen(false), last_update() {
         recalculateScreenSize(rtData);
         updateScreenResoRatio(rtData);
         
@@ -584,6 +587,10 @@ Graphics::Graphics(RGSSThreadData *data) {
 
 Graphics::~Graphics() { delete p; }
 
+unsigned long long Graphics::getDelta() {
+    return shState->runTime() - p->last_update;
+}
+
 void Graphics::update() {
     p->checkShutDownReset();
     p->checkSyncLock();
@@ -612,6 +619,7 @@ void Graphics::update() {
     
     p->checkResize();
     p->redrawScreen();
+    p->last_update = shState->runTime();
 }
 
 void Graphics::freeze() {
diff --git a/src/display/graphics.h b/src/display/graphics.h
index 8c9b8ed..f225996 100644
--- a/src/display/graphics.h
+++ b/src/display/graphics.h
@@ -34,6 +34,8 @@ struct AtomicFlag;
 class Graphics
 {
 public:
+    unsigned long long getDelta();
+    
 	void update();
 	void freeze();
 	void transition(int duration = 8,
diff --git a/src/input/input.cpp b/src/input/input.cpp
index 2869dda..28ad848 100644
--- a/src/input/input.cpp
+++ b/src/input/input.cpp
@@ -680,9 +680,13 @@ struct InputPrivate
     int rawRepeating;
 	unsigned int repeatCount;
     unsigned int rawRepeatCount;
+    unsigned long long repeatTime;
+    unsigned long long rawRepeatTime;
     
     unsigned int repeatStart;
     unsigned int repeatDelay;
+    
+    unsigned long long last_update;
 
 	struct
 	{
@@ -708,6 +712,8 @@ struct InputPrivate
 
 	InputPrivate(const RGSSThreadData &rtData)
 	{
+        last_update = 0;
+        
 		initStaticKbBindings();
 		initMsBindings();
 
@@ -1005,12 +1011,15 @@ struct InputPrivate
                 else
                 {
                     rawRepeatCount = 0;
+                    rawRepeatTime = shState->runTime();
                     rawRepeating = i;
                 }
                 
-                break;
+                return;
             }
         }
+        
+        rawRepeating = -1;
     }
 
 	void updateDir4()
@@ -1101,6 +1110,10 @@ Input::Input(const RGSSThreadData &rtData)
 	p = new InputPrivate(rtData);
 }
 
+unsigned long long Input::getDelta() {
+    return shState->runTime() - p->last_update;
+}
+
 void Input::recalcRepeat(unsigned int fps) {
     p->recalcRepeatTime(fps);
 }
@@ -1126,8 +1139,10 @@ void Input::update()
 	{
 		p->repeating = repeatCand;
 		p->repeatCount = 0;
+        p->repeatTime = shState->runTime();
 		p->getState(repeatCand).repeated = true;
 
+        p->last_update = p->repeatTime;
 		return;
 	}
 
@@ -1146,10 +1161,12 @@ void Input::update()
         bool repeated = p->repeatCount >= p->repeatStart && ((p->repeatCount+1) & p->repeatDelay) == 0;
 		p->getState(p->repeating).repeated |= repeated;
 
+        p->last_update = shState->runTime();
 		return;
 	}
-
+    
 	p->repeating = None;
+    p->last_update = shState->runTime();
 }
 
 std::vector<std::string> Input::getBindings(ButtonCode code) {
@@ -1203,6 +1220,13 @@ unsigned int Input::count(int button) {
     return p->repeatCount;
 }
 
+unsigned long long Input::repeatTime(int button) {
+    if (button != p->repeating)
+        return 0;
+    
+    return shState->runTime() - p->repeatTime;
+}
+
 bool Input::isPressedEx(int code, bool isVKey)
 {
     return p->getStateRaw(code, isVKey).pressed;
@@ -1239,6 +1263,19 @@ unsigned int Input::repeatcount(int code, bool isVKey) {
     return p->rawRepeatCount;
 }
 
+unsigned long long Input::repeatTimeEx(int code, bool isVKey) {
+    int c = code;
+    if (isVKey) {
+        try { c = vKeyToScancode[code]; }
+        catch (...) { return 0; }
+    }
+    
+    if (c != p->rawRepeating)
+        return 0;
+    
+    return shState->runTime() - p->rawRepeatTime;
+}
+
 int Input::dir4Value()
 {
 	return p->dir4Data.active;
diff --git a/src/input/input.h b/src/input/input.h
index 52a5be6..2cb7e5c 100644
--- a/src/input/input.h
+++ b/src/input/input.h
@@ -55,6 +55,7 @@ public:
     
     void recalcRepeat(unsigned int fps);
 
+    unsigned long long getDelta();
 	void update();
     
     std::vector<std::string> getBindings(ButtonCode code);
@@ -64,11 +65,13 @@ public:
 	bool isRepeated(int button);
     bool isReleased(int button);
     unsigned int count(int button);
+    unsigned long long repeatTime(int button);
     bool isPressedEx(int code, bool isVKey);
     bool isTriggeredEx(int code, bool isVKey);
     bool isRepeatedEx(int code, bool isVKey);
     bool isReleasedEx(int code, bool isVKey);
     unsigned int repeatcount(int code, bool isVKey);
+    unsigned long long repeatTimeEx(int code, bool isVKey);
 
 	int dir4Value();
 	int dir8Value();
diff --git a/src/sharedstate.cpp b/src/sharedstate.cpp
index 489ab63..305fd60 100644
--- a/src/sharedstate.cpp
+++ b/src/sharedstate.cpp
@@ -41,6 +41,7 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <string>
+#include <chrono>
 
 SharedState *SharedState::instance = 0;
 int SharedState::rgssVersion = 0;
@@ -97,6 +98,8 @@ struct SharedStatePrivate
 	Quad gpQuad;
 
 	unsigned int stampCounter;
+    
+    std::chrono::time_point<std::chrono::high_resolution_clock> startupTime;
 
 	SharedStatePrivate(RGSSThreadData *threadData)
 	    : bindingData(0),
@@ -113,6 +116,9 @@ struct SharedStatePrivate
 	      fontState(threadData->config),
 	      stampCounter(0)
 	{
+        
+        startupTime = std::chrono::high_resolution_clock::now();
+        
 		/* Shaders have been compiled in ShaderSet's constructor */
 		if (gl.ReleaseShaderCompiler)
 			gl.ReleaseShaderCompiler();
@@ -357,6 +363,12 @@ Font &SharedState::defaultFont() const
 	return *p->defaultFont;
 }
 
+unsigned long long SharedState::runTime() {
+    if (!p) return 0;
+    const auto now = std::chrono::high_resolution_clock::now();
+    return std::chrono::duration_cast<std::chrono::microseconds>(now - p->startupTime).count();
+}
+
 unsigned int SharedState::genTimeStamp()
 {
 	return p->stampCounter++;
diff --git a/src/sharedstate.h b/src/sharedstate.h
index 32c71d0..b7bca70 100644
--- a/src/sharedstate.h
+++ b/src/sharedstate.h
@@ -84,6 +84,9 @@ struct SharedState
 	sigc::signal<void> prepareDraw;
 
 	unsigned int genTimeStamp();
+    
+    // Returns time since SharedState was constructed in microseconds
+    unsigned long long runTime();
 
 	/* Returns global quad IBO, and ensures it has indices
 	 * for at least minSize quads */