iOS driver: Add doc comments

src/ios_driver.mm

@@ -4,12 +4,14 @@ extern "C" {
 #include "ios_driver.h"
 }
 
+// Apple's Foundation headers define some macros globablly that create issues with our own code, so remove the definitions
 #undef ABS
 #undef NO
 
 #include <memory>
 #include "emulator.hpp"
 
+// The Objective-C++ bridge functions must be exported without name mangling in order for the SwiftUI frontend to be able to call them
 #define IOS_EXPORT extern "C" __attribute__((visibility("default")))
 
 std::unique_ptr<Emulator> emulator = nullptr;
@@ -22,6 +24,7 @@ IOS_EXPORT void iosCreateEmulator() {
 	hidService = &emulator->getServiceManager().getHID();
 	emulator->initGraphicsContext(nullptr);
 
+	// TODO: Add game selection on iOS frontend
 	auto path = emulator->getAppDataRoot() / "toon_shading.elf";
 	emulator->loadROM(path);
 }