start to lay down scheduler

src/core/CMakeLists.txt

@@ -5,5 +5,10 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_subdirectory(gb)
-add_library(cores BaseCore.cpp BaseCore.hpp common.hpp)
+add_library(cores
+  BaseCore.cpp
+  BaseCore.hpp
+  Scheduler.cpp
+  Scheduler.hpp
+  common.hpp)
 target_include_directories(cores PUBLIC .)

src/core/Scheduler.cpp

@@ -0,0 +1,6 @@
+#include <Scheduler.hpp>
+
+namespace natsukashii::core {
+Scheduler::Scheduler() {
+}
+}

src/core/Scheduler.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include <common.hpp>
+
+namespace natsukashii::core {
+struct Scheduler {
+  Scheduler();
+private:
+  u128 currentTime = 0;
+};
+}

src/core/common.hpp

@@ -1,6 +1,7 @@
 #pragma once
 #include <cstdint>
 #include <bitset>
+#include <emmintrin.h>
 
 using u8 = uint8_t;
 using u16 = uint16_t;
@@ -10,4 +11,6 @@ using s8 = int8_t;
 using s16 = int16_t;
 using s32 = int32_t;
 using s64 = int64_t;
-using i128 = std::bitset<128>; // there isn't really a sign to a bitset
+using u128 = __uint128_t;
+using s128 = __int128_t;
+using m128 = __m128i;

src/frontend/sdl/Frontend.cpp

@@ -1,6 +1,4 @@
 #include <Frontend.hpp>
-#include <SDL2/SDL_events.h>
-#include <SDL2/SDL_video.h>
 
 namespace natsukashii::frontend {
 App::~App() {