Added `gpu_refresh_rate` config setting for the new interpreter speed hack.

src/citra/config.cpp

@@ -58,6 +58,7 @@ void Config::ReadControls() {
 
 void Config::ReadCore() {
     Settings::values.cpu_core = glfw_config->GetInteger("Core", "cpu_core", Core::CPU_Interpreter);
+    Settings::values.gpu_refresh_rate = glfw_config->GetInteger("Core", "gpu_refresh_rate", 60);
 }
 
 void Config::ReadData() {

src/citra/default_ini.h

@@ -27,7 +27,8 @@ pad_sleft =
 pad_sright =
 
 [Core]
-cpu_core = ## 0: Interpreter (default), 1: DynCom Interpreter
+cpu_core = ## 0: Interpreter (default), 1: FastInterpreter (experimental)
+gpu_refresh_rate = ## 60 (default), 1024 or 2048 may work better on the FastInterpreter
 
 [Data Storage]
 use_virtual_sd =

src/citra_qt/config.cpp

@@ -68,12 +68,14 @@ void Config::SaveControls() {
 void Config::ReadCore() {
     qt_config->beginGroup("Core");
     Settings::values.cpu_core = qt_config->value("cpu_core", Core::CPU_Interpreter).toInt();
+    Settings::values.gpu_refresh_rate = qt_config->value("gpu_refresh_rate", 60).toInt();
     qt_config->endGroup();
 }
 
 void Config::SaveCore() {
     qt_config->beginGroup("Core");
     qt_config->setValue("cpu_core", Settings::values.cpu_core);
+    qt_config->setValue("gpu_refresh_rate", Settings::values.gpu_refresh_rate);
     qt_config->endGroup();
 }
 

src/core/hw/gpu.cpp

@@ -218,16 +218,7 @@ void Update() {
 
 /// Initialize hardware
 void Init() {
-    switch (Settings::values.cpu_core) {
+    kFrameCycles = 268123480 / Settings::values.gpu_refresh_rate;
-        case Core::CPU_FastInterpreter:
-            kFrameCycles = 268123480 / 2048;
-            break;
-        case Core::CPU_Interpreter:
-        default:
-            kFrameCycles = 268123480 / 60;
-            break;
-    }
-    
     kFrameTicks  = kFrameCycles / 3;
 
     g_cur_line = 0;

src/core/settings.h

@@ -28,6 +28,7 @@ struct Values {
 
     // Core
     int cpu_core;
+    int gpu_refresh_rate;
 
     // Data Storage
     bool use_virtual_sd;