diff --git a/librecomp/CMakeLists.txt b/librecomp/CMakeLists.txt
index 596e588..78c5c5d 100644
--- a/librecomp/CMakeLists.txt
+++ b/librecomp/CMakeLists.txt
@@ -1,14 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 project(librecomp)
 
-# Check for headers
-include(CheckIncludeFile)
-check_include_file("malloc.h" HAVE_MALLOC_H)
-
-if(HAVE_MALLOC_H)
-    add_compile_definitions(HAVE_MALLOC_H)
-endif()
-
 # Define the library
 add_library(librecomp STATIC
     "${CMAKE_CURRENT_SOURCE_DIR}/src/ai.cpp"
diff --git a/librecomp/include/recomp.h b/librecomp/include/recomp.h
index 87bd054..2f55a04 100644
--- a/librecomp/include/recomp.h
+++ b/librecomp/include/recomp.h
@@ -5,11 +5,6 @@
 #include <stdint.h>
 #include <math.h>
 #include <assert.h>
-#include <setjmp.h>
-
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
 
 typedef uint64_t gpr;
 
diff --git a/librecomp/include/recomp_game.h b/librecomp/include/recomp_game.h
index 788a7fd..a8d5b6c 100644
--- a/librecomp/include/recomp_game.h
+++ b/librecomp/include/recomp_game.h
@@ -16,7 +16,8 @@ namespace recomp {
         std::span<const char> cache_data;
         bool is_enabled;
 
-        void (*entrypoint)();
+        gpr entrypoint_address;
+        void (*entrypoint)(uint8_t* rdram, recomp_context* context);
 
         std::u8string stored_filename() const;
     };
@@ -29,6 +30,7 @@ namespace recomp {
 		IncorrectVersion,
 		OtherError
 	};
+	void register_config_path(std::filesystem::path path);
 	bool register_game(const recomp::GameEntry& entry);
 	void register_patch(const char* patch, std::size_t size);
 	void check_all_stored_roms();
@@ -41,12 +43,7 @@ namespace recomp {
 	void do_rom_pio(uint8_t* rdram, gpr ram_address, uint32_t physical_addr);
 	void start(ultramodern::WindowHandle window_handle, const recomp::rsp::callbacks_t& rsp_callbacks, const ultramodern::audio_callbacks_t& audio_callbacks, const ultramodern::input_callbacks_t& input_callbacks, const ultramodern::gfx_callbacks_t& gfx_callbacks, const ultramodern::events::callbacks_t& thread_callbacks, const ultramodern::error_handling::callbacks_t& error_handling_callbacks_);
 	void start_game(const std::u8string& game_id);
-	std::filesystem::path get_app_folder_path();
 	std::u8string current_game_id();
-
-	// TODO: implement both
-	const std::u8string& get_program_id();
-	void set_program_id(const std::u8string& program_id);
 }
 
 #endif
diff --git a/librecomp/include/recomp_input.h b/librecomp/include/recomp_input.h
deleted file mode 100644
index 85d9df7..0000000
--- a/librecomp/include/recomp_input.h
+++ /dev/null
@@ -1,174 +0,0 @@
-#ifndef __RECOMP_INPUT_H__
-#define __RECOMP_INPUT_H__
-
-#include <cstdint>
-#include <variant>
-#include <vector>
-#include <type_traits>
-#include <span>
-#include <string>
-#include <string_view>
-
-#include "json/json.hpp"
-
-namespace recomp {
-    // x-macros to build input enums and arrays.
-    // First parameter is the enum name, second parameter is the bit field for the input (or 0 if there is no associated one), third is the readable name.
-    // TODO refactor this to allow projects to rename these, or get rid of the readable name and leave that up to individual projects to map.
-    #define DEFINE_N64_BUTTON_INPUTS() \
-        DEFINE_INPUT(A, 0x8000, "Action") \
-        DEFINE_INPUT(B, 0x4000, "Attack/Cancel") \
-        DEFINE_INPUT(Z, 0x2000, "Target") \
-        DEFINE_INPUT(START, 0x1000, "Start") \
-        DEFINE_INPUT(L, 0x0020, "Toggle map") \
-        DEFINE_INPUT(R, 0x0010, "Shield") \
-        DEFINE_INPUT(C_UP, 0x0008, "Look/Fairy") \
-        DEFINE_INPUT(C_LEFT, 0x0002, "Item 1") \
-        DEFINE_INPUT(C_DOWN, 0x0004, "Item 2") \
-        DEFINE_INPUT(C_RIGHT, 0x0001, "Item 3") \
-        DEFINE_INPUT(DPAD_UP, 0x0800, "Special Item 1") \
-        DEFINE_INPUT(DPAD_RIGHT, 0x0100, "Special Item 2") \
-        DEFINE_INPUT(DPAD_DOWN, 0x0400, "Special Item 3") \
-        DEFINE_INPUT(DPAD_LEFT, 0x0200, "Special Item 4")
-
-    #define DEFINE_N64_AXIS_INPUTS() \
-        DEFINE_INPUT(Y_AXIS_POS, 0, "Up") \
-        DEFINE_INPUT(Y_AXIS_NEG, 0, "Down") \
-        DEFINE_INPUT(X_AXIS_NEG, 0, "Left") \
-        DEFINE_INPUT(X_AXIS_POS, 0, "Right") \
-
-    #define DEFINE_ALL_INPUTS() \
-        DEFINE_N64_BUTTON_INPUTS() \
-        DEFINE_N64_AXIS_INPUTS()
-
-    // Enum containing every recomp input.
-    #define DEFINE_INPUT(name, value, readable) name,
-    enum class GameInput {
-        DEFINE_ALL_INPUTS()
-
-        COUNT,
-        N64_BUTTON_START = A,
-        N64_BUTTON_COUNT = C_RIGHT - N64_BUTTON_START + 1,
-        N64_AXIS_START = X_AXIS_NEG,
-        N64_AXIS_COUNT = Y_AXIS_POS - N64_AXIS_START + 1,
-    };
-    #undef DEFINE_INPUT
-
-    struct InputField {
-        uint32_t input_type;
-        int32_t input_id;
-        std::string to_string() const;
-        auto operator<=>(const InputField& rhs) const = default;
-    };
-
-    void poll_inputs();
-    float get_input_analog(const InputField& field);
-    float get_input_analog(const std::span<const recomp::InputField> fields);
-    bool get_input_digital(const InputField& field);
-    bool get_input_digital(const std::span<const recomp::InputField> fields);
-    void get_gyro_deltas(float* x, float* y);
-    void get_mouse_deltas(float* x, float* y);
-
-    enum class InputDevice {
-        Controller,
-        Keyboard,
-        COUNT
-    };
-
-    void start_scanning_input(InputDevice device);
-    void stop_scanning_input();
-    void finish_scanning_input(InputField scanned_field);
-    void cancel_scanning_input();
-    void config_menu_set_cont_or_kb(bool cont_interacted);
-    InputField get_scanned_input();
-    
-    struct DefaultN64Mappings {
-        std::vector<InputField> a;
-        std::vector<InputField> b;
-        std::vector<InputField> l;
-        std::vector<InputField> r;
-        std::vector<InputField> z;
-        std::vector<InputField> start;
-
-        std::vector<InputField> c_left;
-        std::vector<InputField> c_right;
-        std::vector<InputField> c_up;
-        std::vector<InputField> c_down;
-
-        std::vector<InputField> dpad_left;
-        std::vector<InputField> dpad_right;
-        std::vector<InputField> dpad_up;
-        std::vector<InputField> dpad_down;
-
-        std::vector<InputField> analog_left;
-        std::vector<InputField> analog_right;
-        std::vector<InputField> analog_up;
-        std::vector<InputField> analog_down;
-    };
-
-    extern const DefaultN64Mappings default_n64_keyboard_mappings;
-    extern const DefaultN64Mappings default_n64_controller_mappings;
-
-    constexpr size_t bindings_per_input = 2;
-
-    size_t get_num_inputs();
-    const std::string& get_input_name(GameInput input);
-    const std::string& get_input_enum_name(GameInput input);
-    GameInput get_input_from_enum_name(const std::string_view name);
-    InputField& get_input_binding(GameInput input, size_t binding_index, InputDevice device);
-    void set_input_binding(GameInput input, size_t binding_index, InputDevice device, InputField value);
-
-    void get_n64_input(uint16_t* buttons_out, float* x_out, float* y_out);
-    void set_rumble(bool);
-    void update_rumble();
-    void handle_events();
-    
-    // Rumble strength ranges from 0 to 100.
-    int get_rumble_strength();
-    void set_rumble_strength(int strength);
-    
-    // Gyro and mouse sensitivities range from 0 to 100.
-    int get_gyro_sensitivity();
-    int get_mouse_sensitivity();
-    void set_gyro_sensitivity(int strength);
-    void set_mouse_sensitivity(int strength);
-
-    enum class TargetingMode {
-        Switch,
-        Hold,
-		OptionCount
-    };
-
-    NLOHMANN_JSON_SERIALIZE_ENUM(recomp::TargetingMode, {
-        {recomp::TargetingMode::Switch, "Switch"},
-        {recomp::TargetingMode::Hold, "Hold"}
-    });
-
-    TargetingMode get_targeting_mode();
-    void set_targeting_mode(TargetingMode mode);
-
-    enum class BackgroundInputMode {
-        On,
-        Off,
-		OptionCount
-    };
-
-    NLOHMANN_JSON_SERIALIZE_ENUM(recomp::BackgroundInputMode, {
-        {recomp::BackgroundInputMode::On, "On"},
-        {recomp::BackgroundInputMode::Off, "Off"}
-    });
-
-    BackgroundInputMode get_background_input_mode();
-    void set_background_input_mode(BackgroundInputMode mode);
-
-    bool game_input_disabled();
-    bool all_input_disabled();
-
-    // TODO move these somewhere else.
-    void quicksave_save();
-    void quicksave_load();
-
-    void open_quit_game_prompt();
-}
-
-#endif
diff --git a/librecomp/include/recomp_overlays.h b/librecomp/include/recomp_overlays.h
index 1589e30..97c5942 100644
--- a/librecomp/include/recomp_overlays.h
+++ b/librecomp/include/recomp_overlays.h
@@ -16,8 +16,9 @@ namespace recomp {
         size_t len;
     };
 
-    extern void register_overlays(const overlay_section_table_data_t& sections, const overlays_by_index_t& overlays);
-    extern void register_patch_section(SectionTableEntry* code_sections);
+    void register_overlays(const overlay_section_table_data_t& sections, const overlays_by_index_t& overlays);
+    void register_patch_section(SectionTableEntry* code_sections);
+    void load_patch_functions();
 };
 
 extern "C" void load_overlays(uint32_t rom, int32_t ram_addr, uint32_t size);
diff --git a/librecomp/include/rsp_vu.h b/librecomp/include/rsp_vu.h
index 6e26983..2fbbd8a 100644
--- a/librecomp/include/rsp_vu.h
+++ b/librecomp/include/rsp_vu.h
@@ -110,8 +110,8 @@ struct RSP {
         bool divdp;
     } vpu;
 
-    static constexpr r128 zero{0};
-    static constexpr r128 invert{(uint64_t)-1, (uint64_t)-1};
+    static constexpr r128 zero{{0}};
+    static constexpr r128 invert{{(uint64_t)-1, (uint64_t)-1}};
 
     inline auto accumulatorGet(u32 index) const -> u64;
     inline auto accumulatorSet(u32 index, u64 value) -> void;
diff --git a/librecomp/src/overlays.cpp b/librecomp/src/overlays.cpp
index a091470..12764cf 100644
--- a/librecomp/src/overlays.cpp
+++ b/librecomp/src/overlays.cpp
@@ -142,8 +142,6 @@ extern "C" void unload_overlays(int32_t ram_addr, uint32_t size) {
     }
 }
 
-void load_patch_functions();
-
 void init_overlays() {
     section_addresses = (int32_t *)malloc(sections_info.total_num_sections * sizeof(int32_t));
 
@@ -158,7 +156,7 @@ void init_overlays() {
         }
     );
 
-    load_patch_functions();
+    recomp::load_patch_functions();
 }
 
 extern "C" recomp_func_t * get_function(int32_t addr) {
diff --git a/librecomp/src/patch_loading.cpp b/librecomp/src/patch_loading.cpp
index 0e8effd..e456a51 100644
--- a/librecomp/src/patch_loading.cpp
+++ b/librecomp/src/patch_loading.cpp
@@ -9,10 +9,10 @@ static SectionTableEntry* code_sections = nullptr;
 
 void load_special_overlay(const SectionTableEntry& section, int32_t ram);
 
-void register_patch_section(SectionTableEntry* sections) {
+void recomp::register_patch_section(SectionTableEntry* sections) {
     code_sections = sections;
 }
 
-void load_patch_functions() {
+void recomp::load_patch_functions() {
     load_special_overlay(code_sections[0], code_sections[0].ram_addr);
 }
diff --git a/librecomp/src/pi.cpp b/librecomp/src/pi.cpp
index 405823d..2234f82 100644
--- a/librecomp/src/pi.cpp
+++ b/librecomp/src/pi.cpp
@@ -94,10 +94,11 @@ struct {
 } save_context;
 
 const std::u8string save_folder = u8"saves";
-const std::u8string save_filename = std::u8string{recomp::current_game_id()} + u8".bin";
+
+extern std::filesystem::path config_path;
 
 std::filesystem::path get_save_file_path() {
-    return recomp::get_app_folder_path() / save_folder / save_filename;
+    return config_path / save_folder / (std::u8string{recomp::current_game_id()} + u8".bin");
 }
 
 void update_save_file() {
diff --git a/librecomp/src/recomp.cpp b/librecomp/src/recomp.cpp
index 374859e..41ab597 100644
--- a/librecomp/src/recomp.cpp
+++ b/librecomp/src/recomp.cpp
@@ -11,12 +11,6 @@
 #include <mutex>
 #include <array>
 
-#ifdef _WIN32
-#include <Shlobj.h>
-#elif defined(__linux__)
-#include <pwd.h>
-#endif
-
 #include "recomp.h"
 #include "recomp_overlays.h"
 #include "recomp_game.h"
@@ -46,6 +40,7 @@ std::mutex patch_data_mutex;
 std::mutex current_game_mutex;
 
 // Global variables
+std::filesystem::path config_path;
 std::vector<char> patch_data;
 std::unordered_map<std::u8string, recomp::GameEntry> game_roms {};
 
@@ -53,6 +48,10 @@ std::u8string recomp::GameEntry::stored_filename() const {
     return game_id + u8".z64";
 }
 
+void recomp::register_config_path(std::filesystem::path path) {
+    config_path = path;
+}
+
 bool recomp::register_game(const recomp::GameEntry& entry) {
     std::lock_guard<std::mutex> lock(game_roms_mutex);
     game_roms.insert({ entry.game_id, entry });
@@ -61,6 +60,7 @@ bool recomp::register_game(const recomp::GameEntry& entry) {
 
 void recomp::register_patch(const char* patch, std::size_t size) {
     std::lock_guard<std::mutex> lock(patch_data_mutex);
+    patch_data.resize(size);
     std::memcpy(patch_data.data(), patch, size);
 }
 
@@ -97,39 +97,12 @@ bool write_file(const std::filesystem::path& path, const std::vector<uint8_t>& d
     return true;
 }
 
-std::filesystem::path recomp::get_app_folder_path() {
-    std::filesystem::path recomp_dir{};
-
-#if defined(_WIN32)
-    // Deduce local app data path.
-   PWSTR known_path = NULL;
-   HRESULT result = SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &known_path);
-   if (result == S_OK) {
-       recomp_dir = std::filesystem::path{known_path} / recomp::get_program_id();
-   }
-
-   CoTaskMemFree(known_path);
-#elif defined(__linux__)
-    const char *homedir;
-
-   if ((homedir = getenv("HOME")) == nullptr) {
-       homedir = getpwuid(getuid())->pw_dir;
-   }
-
-   if (homedir != nullptr) {
-       recomp_dir = std::filesystem::path{homedir} / (std::u8string{u8".config/"} + recomp::get_program_id());
-   }
-#endif
-
-    return recomp_dir;
-}
-
 bool check_stored_rom(const recomp::GameEntry& game_entry) {
-    std::vector stored_rom_data = read_file(recomp::get_app_folder_path() / game_entry.stored_filename());
+    std::vector stored_rom_data = read_file(config_path / game_entry.stored_filename());
 
     if (!check_hash(stored_rom_data, game_entry.rom_hash)) {
         // Incorrect hash, remove the stored ROM file if it exists.
-        std::filesystem::remove(recomp::get_app_folder_path() / game_entry.stored_filename());
+        std::filesystem::remove(config_path / game_entry.stored_filename());
         return false;
     }
 
@@ -157,11 +130,11 @@ bool recomp::load_stored_rom(std::u8string& game_id) {
         return false;
     }
     
-    std::vector<uint8_t> stored_rom_data = read_file(recomp::get_app_folder_path() / find_it->second.stored_filename());
+    std::vector<uint8_t> stored_rom_data = read_file(config_path / find_it->second.stored_filename());
 
     if (!check_hash(stored_rom_data, find_it->second.rom_hash)) {
         // The ROM no longer has the right hash, delete it.
-        std::filesystem::remove(recomp::get_app_folder_path() / find_it->second.stored_filename());
+        std::filesystem::remove(config_path / find_it->second.stored_filename());
         return false;
     }
 
@@ -272,7 +245,7 @@ recomp::RomValidationError recomp::select_rom(const std::filesystem::path& rom_p
         }
     }
 
-    write_file(recomp::get_app_folder_path() / game_entry.stored_filename(), rom_data);
+    write_file(config_path / game_entry.stored_filename(), rom_data);
     
     return recomp::RomValidationError::Good;
 }
@@ -346,24 +319,16 @@ void run_thread_function(uint8_t* rdram, uint64_t addr, uint64_t sp, uint64_t ar
     func(rdram, &ctx);
 }
 
-// Recomp generation functions
-extern "C" void recomp_entrypoint(uint8_t * rdram, recomp_context * ctx);
-gpr get_entrypoint_address();
-const char* get_rom_name();
-
 void read_patch_data(uint8_t* rdram, gpr patch_data_address) {
     for (size_t i = 0; i < patch_data.size(); i++) {
         MEM_B(i, patch_data_address) = patch_data[i];
     }
 }
 
-void init(uint8_t* rdram, recomp_context* ctx) {
+void init(uint8_t* rdram, recomp_context* ctx, gpr entrypoint) {
     // Initialize the overlays
     init_overlays();
 
-    // Get entrypoint from recomp function
-    gpr entrypoint = get_entrypoint_address();
-
     // Load overlays in the first 1MB
     load_overlays(0x1000, (int32_t)entrypoint, 1024 * 1024);
 
@@ -407,6 +372,7 @@ void recomp::start_game(const std::u8string& game_id) {
     std::lock_guard<std::mutex> lock(current_game_mutex);
     current_game = game_id;
     game_status.store(GameStatus::Running);
+    game_status.notify_all();
 }
 
 bool ultramodern::is_game_started() {
@@ -479,13 +445,15 @@ void recomp::start(ultramodern::WindowHandle window_handle, const recomp::rsp::c
                         ultramodern::error_handling::message_box("Error opening stored ROM! Please restart this program.");
                     }
 
+                    ultramodern::init_saving(rdram);
+
                     auto find_it = game_roms.find(current_game.value());
                     const recomp::GameEntry& game_entry = find_it->second;
 
                     ultramodern::load_shader_cache(game_entry.cache_data);
-                    init(rdram, &context);
+                    init(rdram, &context, game_entry.entrypoint_address);
                     try {
-                        recomp_entrypoint(rdram, &context);
+                        game_entry.entrypoint(rdram, &context);
                     } catch (ultramodern::thread_terminated& terminated) {
 
                     }
diff --git a/librecomp/src/rsp.cpp b/librecomp/src/rsp.cpp
index 9f27bbb..d8df936 100644
--- a/librecomp/src/rsp.cpp
+++ b/librecomp/src/rsp.cpp
@@ -53,7 +53,7 @@ bool recomp::rsp::run_task(uint8_t* rdram, const OSTask* task) {
 
     // Ensure that the ucode exited correctly
     if (exit_reason != RspExitReason::Broke) {
-        fprintf(stderr, "RSP ucode %" PRIu32 " exited unexpectedly. exit_reason: %i\n", task->t.type, exit_reason);
+        fprintf(stderr, "RSP ucode %" PRIu32 " exited unexpectedly. exit_reason: %i\n", task->t.type, static_cast<int>(exit_reason));
         assert(exit_reason == RspExitReason::Broke);
         return false;
     }
diff --git a/ultramodern/include/ultramodern/ultramodern.hpp b/ultramodern/include/ultramodern/ultramodern.hpp
index 1c6b8ed..547fba1 100644
--- a/ultramodern/include/ultramodern/ultramodern.hpp
+++ b/ultramodern/include/ultramodern/ultramodern.hpp
@@ -52,6 +52,12 @@ namespace ultramodern {
         Window window;
         auto operator<=>(const WindowHandle&) const = default;
     };
+#elif defined(__APPLE__)
+    struct WindowHandle {
+        void* window;
+        void* view;
+        auto operator<=>(const WindowHandle&) const = default;
+    };
 #endif
 
 // We need a place in rdram to hold the PI handles, so pick an address in extended rdram
diff --git a/ultramodern/src/events.cpp b/ultramodern/src/events.cpp
index be1f3bd..7fba7b6 100644
--- a/ultramodern/src/events.cpp
+++ b/ultramodern/src/events.cpp
@@ -217,7 +217,11 @@ void task_thread_func(uint8_t* rdram, moodycamel::LightweightSemaphore* thread_r
         if (!ultramodern::rsp::run_task(PASS_RDRAM task)) {
             fprintf(stderr, "Failed to execute task type: %" PRIu32 "\n", task->t.type);
             assert(false);
+#       ifdef __APPLE__
+            std::_Exit(EXIT_FAILURE);
+#       else
             std::quick_exit(EXIT_FAILURE);
+#       endif
         }
 
         // Tell the game that the RSP has completed
@@ -508,6 +512,8 @@ std::string get_graphics_api_name(ultramodern::GraphicsApi api) {
         api = ultramodern::GraphicsApi::D3D12;
 #elif defined(__gnu_linux__)
         api = ultramodern::GraphicsApi::Vulkan;
+#elif defined(__APPLE__)
+        api = ultramodern::GraphicsApi::Vulkan;
 #else
         static_assert(false && "Unimplemented")
 #endif
diff --git a/ultramodern/src/rt64_layer.cpp b/ultramodern/src/rt64_layer.cpp
index e82a07f..45290b1 100644
--- a/ultramodern/src/rt64_layer.cpp
+++ b/ultramodern/src/rt64_layer.cpp
@@ -129,6 +129,9 @@ ultramodern::RT64Context::RT64Context(uint8_t* rdram, ultramodern::WindowHandle
 #elif defined(__linux__)
     appCore.window.display = window_handle.display;
     appCore.window.window = window_handle.window;
+#elif defined(__APPLE__)
+    appCore.window.window = window_handle.window;
+    appCore.window.view = window_handle.view;
 #endif
 
     appCore.checkInterrupts = dummy_check_interrupts;
diff --git a/ultramodern/src/threads.cpp b/ultramodern/src/threads.cpp
index 9b17a52..fd59338 100644
--- a/ultramodern/src/threads.cpp
+++ b/ultramodern/src/threads.cpp
@@ -111,6 +111,12 @@ void ultramodern::set_native_thread_priority(ThreadPriority pri) {
     //         break;
     // }
 }
+#elif defined(__APPLE__)
+void ultramodern::set_native_thread_name(const std::string& name) {
+    pthread_setname_np(name.c_str());
+}
+
+void ultramodern::set_native_thread_priority(ThreadPriority pri) {}
 #endif
 
 std::atomic_int temporary_threads = 0;
diff --git a/ultramodern/src/ultrainit.cpp b/ultramodern/src/ultrainit.cpp
index 9dd19a2..4fca62a 100644
--- a/ultramodern/src/ultrainit.cpp
+++ b/ultramodern/src/ultrainit.cpp
@@ -22,7 +22,6 @@ void ultramodern::preinit(RDRAM_ARG ultramodern::WindowHandle window_handle) {
     ultramodern::init_events(PASS_RDRAM window_handle);
     ultramodern::init_timers(PASS_RDRAM1);
     ultramodern::init_audio();
-    ultramodern::init_saving(PASS_RDRAM1);
     ultramodern::init_thread_cleanup();
 }