1 files changed, 17 insertions, 6 deletions
diff --git a/src/core/core.cpp b/src/core/core.cpp
index f88bcd704..7dc0809d0 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -9,21 +9,24 @@
 #include "core/core.h"
 #include "core/mem_map.h"
 #include "core/hw/hw.h"
+#include "core/hw/gpu.h"
 #include "core/arm/disassembler/arm_disasm.h"
 #include "core/arm/interpreter/arm_interpreter.h"
 
+#include "core/hle/hle.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Core {
 
-ARM_Disasm*     g_disasm    = NULL; ///< ARM disassembler
-ARM_Interface*  g_app_core  = NULL; ///< ARM11 application core
-ARM_Interface*  g_sys_core  = NULL; ///< ARM11 system (OS) core
+u64             g_last_ticks    = 0;        ///< Last CPU ticks
+ARM_Disasm*     g_disasm        = nullptr;  ///< ARM disassembler
+ARM_Interface*  g_app_core      = nullptr;  ///< ARM11 application core
+ARM_Interface*  g_sys_core      = nullptr;  ///< ARM11 system (OS) core
 
 /// Run the core CPU loop
 void RunLoop() {
     for (;;){
-        g_app_core->Run(100);
+        g_app_core->Run(GPU::kFrameTicks);
         HW::Update();
         Kernel::Reschedule();
     }
@@ -32,8 +35,14 @@ void RunLoop() {
 /// Step the CPU one instruction
 void SingleStep() {
     g_app_core->Step();
-    HW::Update();
-    Kernel::Reschedule();
+
+    // Update and reschedule after approx. 1 frame
+    u64 current_ticks = Core::g_app_core->GetTicks();
+    if ((current_ticks - g_last_ticks) >= GPU::kFrameTicks || HLE::g_reschedule) {
+        g_last_ticks = current_ticks;
+        HW::Update();
+        Kernel::Reschedule();
+    }
 }
 
 /// Halt the core
@@ -54,6 +63,8 @@ int Init() {
     g_app_core = new ARM_Interpreter();
     g_sys_core = new ARM_Interpreter();
 
+    g_last_ticks = Core::g_app_core->GetTicks();
+
     return 0;
 }