start this from scratch

src/backend/CMakeLists.txt

@@ -1,4 +1,8 @@
 file(GLOB SOURCES *.cpp)
 file(GLOB HEADERS *.hpp)
 
-add_library(backend ${SOURCES} ${HEADERS})
+add_subdirectory(core)
+add_subdirectory(netplay)
+
+add_library(backend ${SOURCES} ${HEADERS})
+target_link_libraries(backend PRIVATE core netplay)

src/backend/core/CMakeLists.txt

@@ -1,4 +1,11 @@
 file(GLOB SOURCES *.cpp)
 file(GLOB HEADERS *.hpp)
 
-add_library(core ${SOURCES} ${HEADERS})
+add_subdirectory(interpreter)
+add_subdirectory(mem)
+add_subdirectory(mmio)
+add_subdirectory(registers)
+add_subdirectory(rsp)
+
+add_library(core ${SOURCES} ${HEADERS})
+target_link_libraries(core PRIVATE interpreter mem mmio unarr registers rsp)

src/backend/core/mmio/AI.cpp

@@ -2,7 +2,7 @@
 #include <log.hpp>
 #include <core/Mem.hpp>
 #include <core/registers/Registers.hpp>
-#include <core/Audio.hpp>
+#include <Audio.hpp>
 
 namespace n64 {
 void AI::Reset() {

src/backend/core/mmio/PIF/Device.cpp

@@ -1,5 +1,5 @@
 #include <PIF.hpp>
-#include <MupenMovie.hpp>
+#include <PIF/MupenMovie.hpp>
 #include <Netplay.hpp>
 #include <log.hpp>
 #include <SDL2/SDL_keyboard.h>

src/backend/core/mmio/PIF/MupenMovie.cpp

@@ -1,4 +1,4 @@
-#include <MupenMovie.hpp>
+#include <PIF/MupenMovie.hpp>
 #include <log.hpp>
 
 struct TASMovieHeader {

src/backend/core/registers/CMakeLists.txt

@@ -2,3 +2,4 @@ file(GLOB_RECURSE SOURCES *.cpp)
 file(GLOB_RECURSE HEADERS *.cpp)
 
 add_library(registers ${SOURCES} ${HEADERS})
+target_link_libraries(registers PRIVATE interpreter)