Merge pull request #264 from TomHarte/SDLKiosk

SDL kiosk

Machines/AmstradCPC/AmstradCPC.cpp

@@ -919,10 +919,30 @@ class ConcreteMachine:
 		}
 
 		// See header; provides the system ROMs.
-		void set_rom(ROMType type, std::vector<uint8_t> data) override final {
+		void set_rom(ROMType type, const std::vector<uint8_t> &data) override final {
 			roms_[static_cast<int>(type)] = data;
 		}
 
+		// Obtains the system ROMs.
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
+			auto roms = roms_with_names(
+				"AmstradCPC",
+				{
+					"os464.rom",	"basic464.rom",
+					"os664.rom",	"basic664.rom",
+					"os6128.rom",	"basic6128.rom",
+					"amsdos.rom"
+				});
+
+			for(size_t index = 0; index < roms.size(); ++index) {
+				auto &data = roms[index];
+				if(!data) return false;
+				set_rom(static_cast<ROMType>(index), *data);
+			}
+
+			return true;
+		}
+
 		void set_component_is_sleeping(void *component, bool is_sleeping) override final {
 			fdc_is_sleeping_ = fdc_.is_sleeping();
 			tape_player_is_sleeping_ = tape_player_.is_sleeping();

Machines/AmstradCPC/AmstradCPC.hpp

@@ -39,7 +39,7 @@ class Machine:
 		static Machine *AmstradCPC();
 
 		/// Sets the contents of rom @c type to @c data. Assumed to be a setup step; has no effect once a machine is running.
-		virtual void set_rom(ROMType type, std::vector<uint8_t> data) = 0;
+		virtual void set_rom(ROMType type, const std::vector<uint8_t> &data) = 0;
 };
 
 }

Machines/Atari2600/TIA.hpp

@@ -135,42 +135,27 @@ class TIA {
 		// objects
 		template<class T> struct Object {
 			// the two programmer-set values
-			int position;
+			int position = 0;
-			int motion;
+			int motion = 0;
 
 			// motion_step_ is the current motion counter value; motion_time_ is the next time it will fire
-			int motion_step;
+			int motion_step = 0;
-			int motion_time;
+			int motion_time = 0;
 
 			// indicates whether this object is currently undergoing motion
-			bool is_moving;
+			bool is_moving = false;
-
-			Object() : position(0), motion(0), motion_step(0), motion_time(0), is_moving(false) {};
 		};
 
 		// player state
 		struct Player: public Object<Player> {
-			Player() :
+			int adder = 4;
-				adder(4),
+			int copy_flags = 0;				// a bit field, corresponding to the first few values of NUSIZ
-				copy_flags(0),
+			uint8_t graphic[2] = {0, 0};	// the player graphic; 1 = new, 0 = current
-				graphic{0, 0},
+			int reverse_mask = false;		// 7 for a reflected player, 0 for normal
-				reverse_mask(false),
+			int graphic_index = 0;
-				graphic_index(0),
-				pixel_position(32),
-				pixel_counter(0),
-				latched_pixel4_time(-1),
-				copy_index_(0),
-				queue_read_pointer_(0),
-				queue_write_pointer_(0) {}
 
-			int adder;
+			int pixel_position = 32, pixel_counter = 0;
-			int copy_flags;		// a bit field, corresponding to the first few values of NUSIZ
+			int latched_pixel4_time = -1;
-			uint8_t graphic[2];	// the player graphic; 1 = new, 0 = current
-			int reverse_mask;	// 7 for a reflected player, 0 for normal
-			int graphic_index;
-
-			int pixel_position, pixel_counter;
-			int latched_pixel4_time;
 			const bool enqueues = true;
 
 			inline void skip_pixels(const int count, int from_horizontal_counter) {
@@ -219,15 +204,14 @@ class TIA {
 			}
 
 			private:
-				int copy_index_;
+				int copy_index_ = 0;
 				struct QueuedPixels {
-					int start, end;
+					int start = 0, end = 0;
-					int pixel_position;
+					int pixel_position = 0;
-					int adder;
+					int adder = 0;
-					int reverse_mask;
+					int reverse_mask = false;
-					QueuedPixels() : start(0), end(0), pixel_position(0), adder(0), reverse_mask(false) {}
 				} queue_[4];
-				int queue_read_pointer_, queue_write_pointer_;
+				int queue_read_pointer_ = 0, queue_write_pointer_ = 0;
 
 				inline void output_pixels(uint8_t *const target, const int count, const uint8_t collision_identity, int output_pixel_position, int output_adder, int output_reverse_mask) {
 					if(output_pixel_position == 32 || !graphic[graphic_index]) return;
@@ -244,8 +228,8 @@ class TIA {
 
 		// common actor for things that appear as a horizontal run of pixels
 		struct HorizontalRun: public Object<HorizontalRun> {
-			int pixel_position;
+			int pixel_position = 0;
-			int size;
+			int size = 1;
 			const bool enqueues = false;
 
 			inline void skip_pixels(const int count, int from_horizontal_counter) {
@@ -268,16 +252,13 @@ class TIA {
 
 			void dequeue_pixels(uint8_t *const target, const uint8_t collision_identity, const int time_now) {}
 			void enqueue_pixels(const int start, const int end, int from_horizontal_counter) {}
-
-			HorizontalRun() : pixel_position(0), size(1) {}
 		};
 
-
 		// missile state
 		struct Missile: public HorizontalRun {
-			bool enabled;
+			bool enabled = false;
-			bool locked_to_player;
+			bool locked_to_player = false;
-			int copy_flags;
+			int copy_flags = 0;
 
 			inline void output_pixels(uint8_t *const target, const int count, const uint8_t collision_identity, int from_horizontal_counter) {
 				if(!pixel_position) return;
@@ -287,14 +268,12 @@ class TIA {
 					skip_pixels(count, from_horizontal_counter);
 				}
 			}
-
-			Missile() : enabled(false), copy_flags(0) {}
 		} missile_[2];
 
 		// ball state
 		struct Ball: public HorizontalRun {
-			bool enabled[2];
+			bool enabled[2] = {false, false};
-			int enabled_index;
+			int enabled_index = 0;
 			const int copy_flags = 0;
 
 			inline void output_pixels(uint8_t *const target, const int count, const uint8_t collision_identity, int from_horizontal_counter) {
@@ -305,8 +284,6 @@ class TIA {
 					skip_pixels(count, from_horizontal_counter);
 				}
 			}
-
-			Ball() : enabled{false, false}, enabled_index(0) {}
 		} ball_;
 
 		// motion

Machines/CRTMachine.hpp

@@ -12,6 +12,7 @@
 #include "../Outputs/CRT/CRT.hpp"
 #include "../Outputs/Speaker.hpp"
 #include "../ClockReceiver/ClockReceiver.hpp"
+#include "ROMMachine.hpp"
 
 namespace CRTMachine {
 
@@ -20,7 +21,7 @@ namespace CRTMachine {
 	that optionally provide a speaker, and that nominate a clock rate and can announce to a delegate
 	should that clock rate change.
 */
-class Machine {
+class Machine: public ROMMachine::Machine {
 	public:
 		Machine() : clock_is_unlimited_(false), delegate_(nullptr) {}
 

Machines/Commodore/1540/C1540.hpp

@@ -10,6 +10,7 @@
 #define Commodore1540_hpp
 
 #include "../SerialBus.hpp"
+#include "../../ROMMachine.hpp"
 #include "../../../Storage/Disk/Disk.hpp"
 #include "Implementation/C1540Base.hpp"
 
@@ -19,12 +20,18 @@ namespace C1540 {
 /*!
 	Provides an emulation of the C1540.
 */
-class Machine: public MachineBase {
+class Machine: public MachineBase, public ROMMachine::Machine {
 	public:
+		enum Personality {
+			C1540,
+			C1541
+		};
+		Machine(Personality p);
+	
 		/*!
-			Sets the ROM image to use for this drive; it is asserted that the buffer provided is 16 kb in size.
+			Sets the source for this drive's ROM image.
 		*/
-		void set_rom(const std::vector<uint8_t> &rom);
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names);
 
 		/*!
 			Sets the serial bus to which this drive should attach itself.
@@ -36,6 +43,9 @@ class Machine: public MachineBase {
 
 		/// Inserts @c disk into the drive.
 		void set_disk(std::shared_ptr<Storage::Disk::Disk> disk);
+
+	private:
+		Personality personality_;
 };
 
 }

Machines/Commodore/1540/Implementation/C1540.cpp

@@ -40,6 +40,8 @@ MachineBase::MachineBase() :
 	set_drive(drive_);
 }
 
+Machine::Machine(Commodore::C1540::Machine::Personality personality) : personality_(personality) {}
+
 void Machine::set_serial_bus(std::shared_ptr<::Commodore::Serial::Bus> serial_bus) {
 	Commodore::Serial::AttachPortAndBus(serial_port_, serial_bus);
 }
@@ -80,9 +82,17 @@ Cycles MachineBase::perform_bus_operation(CPU::MOS6502::BusOperation operation,
 	return Cycles(1);
 }
 
-void Machine::set_rom(const std::vector<uint8_t> &rom) {
+bool Machine::set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) {
-	assert(rom.size() == sizeof(rom_));
+	std::string rom_name;
-	memcpy(rom_, rom.data(), std::min(sizeof(rom_), rom.size()));
+	switch(personality_) {
+		case Personality::C1540:	rom_name = "1540.bin";	break;
+		case Personality::C1541:	rom_name = "1541.bin";	break;
+	}
+
+	auto roms = roms_with_names("Commodore1540", {rom_name});
+	if(!roms[0]) return false;
+	memcpy(rom_, roms[0]->data(), std::min(sizeof(rom_), roms[0]->size()));
+	return true;
 }
 
 void Machine::set_disk(std::shared_ptr<Storage::Disk::Disk> disk) {

Machines/Commodore/Vic-20/Vic20.cpp

@@ -37,6 +37,18 @@ enum JoystickInput {
 	Fire = 0x20
 };
 
+enum ROM {
+	CharactersDanish = 0,
+	CharactersEnglish,
+	CharactersJapanese,
+	CharactersSwedish,
+	KernelDanish,
+	KernelJapanese,
+	KernelNTSC,
+	KernelPAL,
+	KernelSwedish
+};
+
 /*!
 	Models the user-port VIA, which is the Vic's connection point for controlling its tape recorder —
 	sensing the presence or absence of a tape and controlling the tape motor — and reading the current
@@ -280,12 +292,6 @@ class ConcreteMachine:
 			keyboard_via_port_handler_->set_interrupt_delegate(this);
 			tape_->set_delegate(this);
 
-			// establish the memory maps
-			set_memory_size(MemorySize::Default);
-
-			// set the NTSC clock rate
-			set_region(NTSC);
-
 			// install a joystick
 			joysticks_.emplace_back(new Joystick(*user_port_via_port_handler_, *keyboard_via_port_handler_));
 		}
@@ -294,24 +300,32 @@ class ConcreteMachine:
 			delete[] rom_;
 		}
 
-		void set_rom(ROMSlot slot, size_t length, const uint8_t *data) override final {
+		void set_rom(ROMSlot slot, const std::vector<uint8_t> &data) override final {
-			uint8_t *target = nullptr;
-			size_t max_length = 0x2000;
-			switch(slot) {
-				case Kernel:		target = kernel_rom_;								break;
-				case Characters:	target = character_rom_;	max_length = 0x1000;	break;
-				case BASIC:			target = basic_rom_;								break;
-				case Drive:
-					drive_rom_.resize(length);
-					memcpy(drive_rom_.data(), data, length);
-					install_disk_rom();
-				return;
 		}
 
-			if(target) {
+		// Obtains the system ROMs.
-				size_t length_to_copy = std::min(max_length, length);
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
-				memcpy(target, data, length_to_copy);
+			auto roms = roms_with_names(
+				"Vic20",
+				{
+					"characters-danish.bin",
+					"characters-english.bin",
+					"characters-japanese.bin",
+					"characters-swedish.bin",
+					"kernel-danish.bin",
+					"kernel-japanese.bin",
+					"kernel-ntsc.bin",
+					"kernel-pal.bin",
+					"kernel-swedish.bin",
+					"basic.bin"
+				});
+
+			for(size_t index = 0; index < roms.size(); ++index) {
+				auto &data = roms[index];
+				if(!data) return false;
+				if(index < 9) roms_[index] = *data; else basic_rom_ = *data;
 			}
+			return true;
 		}
 
 		void configure_as_target(const StaticAnalyser::Target &target) override final {
@@ -333,13 +347,13 @@ class ConcreteMachine:
 
 			if(target.media.disks.size()) {
 				// construct the 1540
-				c1540_.reset(new ::Commodore::C1540::Machine);
+				c1540_.reset(new ::Commodore::C1540::Machine(Commodore::C1540::Machine::C1540));
 
 				// attach it to the serial bus
 				c1540_->set_serial_bus(serial_bus_);
 
-				// install the ROM if it was previously set
+				// give it a means to obtain its ROM
-				install_disk_rom();
+				c1540_->set_rom_fetcher(rom_fetcher_);
 			}
 
 			insert_media(target.media);
@@ -383,10 +397,38 @@ class ConcreteMachine:
 		}
 
 		void set_memory_size(MemorySize size) override final {
+			memory_size_ = size;
+			needs_configuration_ = true;
+		}
+
+		void set_region(Region region) override final {
+			region_ = region;
+			needs_configuration_ = true;
+		}
+
+		void configure_memory() {
+			// Determine PAL/NTSC
+			if(region_ == American || region_ == Japanese) {
+				// NTSC
+				set_clock_rate(1022727);
+				if(mos6560_) {
+					mos6560_->set_output_mode(MOS::MOS6560<Commodore::Vic20::Vic6560>::OutputMode::NTSC);
+					mos6560_->set_clock_rate(1022727);
+				}
+			} else {
+				// PAL
+				set_clock_rate(1108404);
+				if(mos6560_) {
+					mos6560_->set_output_mode(MOS::MOS6560<Commodore::Vic20::Vic6560>::OutputMode::PAL);
+					mos6560_->set_clock_rate(1108404);
+				}
+			}
+
 			memset(processor_read_memory_map_, 0, sizeof(processor_read_memory_map_));
 			memset(processor_write_memory_map_, 0, sizeof(processor_write_memory_map_));
+			memset(mos6560_->video_memory_map, 0, sizeof(mos6560_->video_memory_map));
 
-			switch(size) {
+			switch(memory_size_) {
 				default: break;
 				case ThreeKB:
 					write_to_map(processor_read_memory_map_, expansion_ram_, 0x0000, 0x1000);
@@ -402,40 +444,52 @@ class ConcreteMachine:
 			write_to_map(processor_read_memory_map_, user_basic_memory_, 0x0000, sizeof(user_basic_memory_));
 			write_to_map(processor_read_memory_map_, screen_memory_, 0x1000, sizeof(screen_memory_));
 			write_to_map(processor_read_memory_map_, colour_memory_, 0x9400, sizeof(colour_memory_));
-			write_to_map(processor_read_memory_map_, character_rom_, 0x8000, sizeof(character_rom_));
-			write_to_map(processor_read_memory_map_, basic_rom_, 0xc000, sizeof(basic_rom_));
-			write_to_map(processor_read_memory_map_, kernel_rom_, 0xe000, sizeof(kernel_rom_));
 			
 			write_to_map(processor_write_memory_map_, user_basic_memory_, 0x0000, sizeof(user_basic_memory_));
 			write_to_map(processor_write_memory_map_, screen_memory_, 0x1000, sizeof(screen_memory_));
 			write_to_map(processor_write_memory_map_, colour_memory_, 0x9400, sizeof(colour_memory_));
 
+			write_to_map(mos6560_->video_memory_map, user_basic_memory_, 0x2000, sizeof(user_basic_memory_));
+			write_to_map(mos6560_->video_memory_map, screen_memory_, 0x3000, sizeof(screen_memory_));
+			mos6560_->colour_memory = colour_memory_;
+
+			write_to_map(processor_read_memory_map_, basic_rom_.data(), 0xc000, basic_rom_.size());
+
+			ROM character_rom;
+			ROM kernel_rom;
+			switch(region_) {
+				case American:
+					character_rom = CharactersEnglish;
+					kernel_rom = KernelNTSC;
+				break;
+				case Danish:
+					character_rom = CharactersDanish;
+					kernel_rom = KernelDanish;
+				break;
+				case Japanese:
+					character_rom = CharactersJapanese;
+					kernel_rom = KernelJapanese;
+				break;
+				case European:
+					character_rom = CharactersEnglish;
+					kernel_rom = KernelPAL;
+				break;
+				case Swedish:
+					character_rom = CharactersSwedish;
+					kernel_rom = KernelSwedish;
+				break;
+			}
+
+			write_to_map(processor_read_memory_map_, roms_[character_rom].data(), 0x8000, roms_[character_rom].size());
+			write_to_map(mos6560_->video_memory_map, roms_[character_rom].data(), 0x0000, roms_[character_rom].size());
+			write_to_map(processor_read_memory_map_, roms_[kernel_rom].data(), 0xe000, roms_[kernel_rom].size());
+
 			// install the inserted ROM if there is one
 			if(rom_) {
 				write_to_map(processor_read_memory_map_, rom_, rom_address_, rom_length_);
 			}
 		}
 
-		void set_region(Region region) override final {
-			region_ = region;
-			switch(region) {
-				case PAL:
-					set_clock_rate(1108404);
-					if(mos6560_) {
-						mos6560_->set_output_mode(MOS::MOS6560<Commodore::Vic20::Vic6560>::OutputMode::PAL);
-						mos6560_->set_clock_rate(1108404);
-					}
-				break;
-				case NTSC:
-					set_clock_rate(1022727);
-					if(mos6560_) {
-						mos6560_->set_output_mode(MOS::MOS6560<Commodore::Vic20::Vic6560>::OutputMode::NTSC);
-						mos6560_->set_clock_rate(1022727);
-					}
-				break;
-			}
-		}
-
 		void set_use_fast_tape_hack(bool activate) override final {
 			use_fast_tape_hack_ = activate;
 		}
@@ -542,19 +596,16 @@ class ConcreteMachine:
 		}
 
 		void run_for(const Cycles cycles) override final {
+			if(needs_configuration_) {
+				needs_configuration_ = false;
+				configure_memory();
+			}
 			m6502_.run_for(cycles);
 		}
 
 		void setup_output(float aspect_ratio) override final {
 			mos6560_.reset(new Vic6560());
 			mos6560_->get_speaker()->set_high_frequency_cut_off(1600);	// There is a 1.6Khz low-pass filter in the Vic-20.
-			set_region(region_);
-
-			memset(mos6560_->video_memory_map, 0, sizeof(mos6560_->video_memory_map));
-			write_to_map(mos6560_->video_memory_map, character_rom_, 0x0000, sizeof(character_rom_));
-			write_to_map(mos6560_->video_memory_map, user_basic_memory_, 0x2000, sizeof(user_basic_memory_));
-			write_to_map(mos6560_->video_memory_map, screen_memory_, 0x3000, sizeof(screen_memory_));
-			mos6560_->colour_memory = colour_memory_;
 		}
 
 		void close_output() override final {
@@ -590,9 +641,11 @@ class ConcreteMachine:
 	private:
 		CPU::MOS6502::Processor<ConcreteMachine, false> m6502_;
 
-		uint8_t character_rom_[0x1000];
+		std::vector<uint8_t>  roms_[9];
-		uint8_t basic_rom_[0x2000];
+
-		uint8_t kernel_rom_[0x2000];
+		std::vector<uint8_t>  character_rom_;
+		std::vector<uint8_t>  basic_rom_;
+		std::vector<uint8_t>  kernel_rom_;
 		uint8_t expansion_ram_[0x8000];
 
 		uint8_t *rom_;
@@ -601,7 +654,8 @@ class ConcreteMachine:
 		uint8_t user_basic_memory_[0x0400];
 		uint8_t screen_memory_[0x1000];
 		uint8_t colour_memory_[0x0400];
-		std::vector<uint8_t> drive_rom_;
+
+		std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> rom_fetcher_;
 
 		uint8_t *processor_read_memory_map_[64];
 		uint8_t *processor_write_memory_map_[64];
@@ -615,7 +669,10 @@ class ConcreteMachine:
 			}
 		}
 
-		Region region_;
+		Region region_ = European;
+		MemorySize memory_size_ = MemorySize::Default;
+		bool needs_configuration_ = true;
+
 		Commodore::Vic20::KeyboardMapper keyboard_mapper_;
 		std::vector<std::unique_ptr<Inputs::Joystick>> joysticks_;
 
@@ -635,13 +692,6 @@ class ConcreteMachine:
 
 		// Disk
 		std::shared_ptr<::Commodore::C1540::Machine> c1540_;
-		void install_disk_rom() {
-			if(!drive_rom_.empty() && c1540_) {
-				c1540_->set_rom(drive_rom_);
-				c1540_->run_for(Cycles(2000000));
-				drive_rom_.clear();
-			}
-		}
 };
 
 }

Machines/Commodore/Vic-20/Vic20.hpp

@@ -20,7 +20,7 @@ namespace Commodore {
 namespace Vic20 {
 
 enum ROMSlot {
-	Kernel,
+	Kernel = 0,
 	BASIC,
 	Characters,
 	Drive
@@ -33,8 +33,11 @@ enum MemorySize {
 };
 
 enum Region {
-	NTSC,
+	American,
-	PAL
+	Danish,
+	Japanese,
+	European,
+	Swedish
 };
 
 class Machine:
@@ -49,8 +52,7 @@ class Machine:
 		static Machine *Vic20();
 
 		/// Sets the contents of the rom in @c slot to the buffer @c data of length @c length.
-		virtual void set_rom(ROMSlot slot, size_t length, const uint8_t *data) = 0;
+		virtual void set_rom(ROMSlot slot, const std::vector<uint8_t> &data) = 0;
-		// TODO: take a std::vector<uint8_t> to collapse length and data.
 
 		/// Sets the memory size of this Vic-20.
 		virtual void set_memory_size(MemorySize size) = 0;

Machines/Electron/Electron.cpp

@@ -39,11 +39,12 @@ class ConcreteMachine:
 			set_clock_rate(2000000);
 		}
 
-		void set_rom(ROMSlot slot, std::vector<uint8_t> data, bool is_writeable) override final {
+		void set_rom(ROMSlot slot, const std::vector<uint8_t> &data, bool is_writeable) override final {
 			uint8_t *target = nullptr;
 			switch(slot) {
 				case ROMSlotDFS:	dfs_ = data;			return;
-				case ROMSlotADFS:	adfs_ = data;			return;
+				case ROMSlotADFS1:	adfs1_ = data;			return;
+				case ROMSlotADFS2:	adfs2_ = data;			return;
 
 				case ROMSlotOS:		target = os_;			break;
 				default:
@@ -55,6 +56,30 @@ class ConcreteMachine:
 			memcpy(target, &data[0], std::min(static_cast<size_t>(16384), data.size()));
 		}
 
+		// Obtains the system ROMs.
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
+			auto roms = roms_with_names(
+				"Electron",
+				{
+					"DFS-1770-2.20.rom",
+					"ADFS-E00_1.rom",	"ADFS-E00_2.rom",
+					"basic.rom",		"os.rom"
+				});
+			ROMSlot slots[] = {
+				ROMSlotDFS,
+				ROMSlotADFS1, ROMSlotADFS2,
+				ROMSlotBASIC, ROMSlotOS
+			};
+
+			for(size_t index = 0; index < roms.size(); ++index) {
+				auto &data = roms[index];
+				if(!data) return false;
+				set_rom(slots[index], *data, false);
+			}
+
+			return true;
+		}
+
 		void set_key_state(uint16_t key, bool isPressed) override final {
 			if(key == KeyBreak) {
 				m6502_.set_reset_line(isPressed);
@@ -91,8 +116,8 @@ class ConcreteMachine:
 					set_rom(ROMSlot0, dfs_, true);
 				}
 				if(target.acorn.has_adfs) {
-					set_rom(ROMSlot4, adfs_, true);
+					set_rom(ROMSlot4, adfs1_, true);
-					set_rom(ROMSlot5, std::vector<uint8_t>(adfs_.begin() + 16384, adfs_.end()), true);
+					set_rom(ROMSlot5, adfs2_, true);
 				}
 			}
 
@@ -435,7 +460,7 @@ class ConcreteMachine:
 		uint8_t roms_[16][16384];
 		bool rom_write_masks_[16] = {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false};
 		uint8_t os_[16384], ram_[32768];
-		std::vector<uint8_t> dfs_, adfs_;
+		std::vector<uint8_t> dfs_, adfs1_, adfs2_;
 
 		// Paging
 		ROMSlot active_rom_ = ROMSlot::ROMSlot0;

Machines/Electron/Electron.hpp

@@ -28,7 +28,8 @@ enum ROMSlot: uint8_t {
 
 	ROMSlot12,	ROMSlot13,	ROMSlot14,	ROMSlot15,
 
-	ROMSlotOS,	ROMSlotDFS,	ROMSlotADFS
+	ROMSlotOS,		ROMSlotDFS,
+	ROMSlotADFS1,	ROMSlotADFS2
 };
 
 /*!
@@ -51,7 +52,7 @@ class Machine:
 			Sets the contents of @c slot to @c data. If @c is_writeable is @c true then writing to the slot
 			is enabled — it acts as if it were sideways RAM. Otherwise the slot is modelled as containing ROM.
 		*/
-		virtual void set_rom(ROMSlot slot, std::vector<uint8_t> data, bool is_writeable) = 0;
+		virtual void set_rom(ROMSlot slot, const std::vector<uint8_t> &data, bool is_writeable) = 0;
 
 		/// Enables or disables turbo-speed tape loading.
 		virtual void set_use_fast_tape_hack(bool activate) = 0;

Machines/Oric/Oric.cpp

@@ -203,6 +203,24 @@ class ConcreteMachine:
 			}
 		}
 
+		// Obtains the system ROMs.
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
+			auto roms = roms_with_names(
+				"Oric",
+				{
+					"basic10.rom",	"basic11.rom",
+					"microdisc.rom", "colour.rom"
+				});
+
+			for(size_t index = 0; index < roms.size(); ++index) {
+				auto &data = roms[index];
+				if(!data) return false;
+				set_rom(static_cast<ROM>(index), *data);
+			}
+
+			return true;
+		}
+
 		void set_key_state(uint16_t key, bool is_pressed) override final {
 			if(key == KeyNMI) {
 				m6502_.set_nmi_line(is_pressed);

Machines/Oric/Oric.hpp

@@ -19,7 +19,7 @@
 namespace Oric {
 
 enum ROM {
-	BASIC10, BASIC11, Microdisc, Colour
+	BASIC10 = 0, BASIC11, Microdisc, Colour
 };
 
 /*!

Machines/ROMMachine.hpp

@@ -0,0 +1,27 @@
+//
+//  ROMMachine.hpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 07/11/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#ifndef ROMMachine_hpp
+#define ROMMachine_hpp
+
+#include <functional>
+#include <memory>
+#include <vector>
+
+namespace ROMMachine {
+
+struct Machine {
+	/*!
+		Provides the machine with a way to obtain such ROMs as it needs.
+	*/
+	virtual bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &rom_with_name) { return true; }
+};
+
+}
+
+#endif /* ROMMachine_h */

Machines/Utility/MachineForTarget.cpp

@@ -0,0 +1,66 @@
+//
+//  MachineForTarget.cpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 04/11/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#include "MachineForTarget.hpp"
+
+#include "../AmstradCPC/AmstradCPC.hpp"
+#include "../Atari2600/Atari2600.hpp"
+#include "../Commodore/Vic-20/Vic20.hpp"
+#include "../Electron/Electron.hpp"
+#include "../Oric/Oric.hpp"
+#include "../ZX8081/ZX8081.hpp"
+
+namespace {
+
+template<typename T> class TypedDynamicMachine: public ::Machine::DynamicMachine {
+	public:
+		TypedDynamicMachine(T *machine) : machine_(machine) {}
+
+		ConfigurationTarget::Machine *configuration_target() {
+			return dynamic_cast<ConfigurationTarget::Machine *>(machine_.get());
+		}
+
+		CRTMachine::Machine *crt_machine() {
+			return dynamic_cast<CRTMachine::Machine *>(machine_.get());
+		}
+
+		JoystickMachine::Machine *joystick_machine() {
+			return dynamic_cast<JoystickMachine::Machine *>(machine_.get());
+		}
+
+		KeyboardMachine::Machine *keyboard_machine() {
+			return dynamic_cast<KeyboardMachine::Machine *>(machine_.get());
+		}
+
+	private:
+		std::unique_ptr<T> machine_;
+};
+
+}
+
+::Machine::DynamicMachine *::Machine::MachineForTarget(const StaticAnalyser::Target &target) {
+	switch(target.machine) {
+		case StaticAnalyser::Target::AmstradCPC:	return new TypedDynamicMachine<AmstradCPC::Machine>(AmstradCPC::Machine::AmstradCPC());
+		case StaticAnalyser::Target::Atari2600:		return new TypedDynamicMachine<Atari2600::Machine>(Atari2600::Machine::Atari2600());
+		case StaticAnalyser::Target::Electron:		return new TypedDynamicMachine<Electron::Machine>(Electron::Machine::Electron());
+		case StaticAnalyser::Target::Oric:			return new TypedDynamicMachine<Oric::Machine>(Oric::Machine::Oric());
+		case StaticAnalyser::Target::Vic20:			return new TypedDynamicMachine<Commodore::Vic20::Machine>(Commodore::Vic20::Machine::Vic20());
+		case StaticAnalyser::Target::ZX8081:		return new TypedDynamicMachine<ZX8081::Machine>(ZX8081::Machine::ZX8081(target));
+	}
+}
+
+std::string Machine::NameForTarget(const StaticAnalyser::Target &target) {
+	switch(target.machine) {
+		case StaticAnalyser::Target::AmstradCPC:	return "AmstradCPC";
+		case StaticAnalyser::Target::Atari2600:		return "Atari2600";
+		case StaticAnalyser::Target::Electron:		return "Electron";
+		case StaticAnalyser::Target::Oric:			return "Oric";
+		case StaticAnalyser::Target::Vic20:			return "Vic20";
+		case StaticAnalyser::Target::ZX8081:		return "ZX8081";
+	}
+}

Machines/Utility/MachineForTarget.hpp

@@ -0,0 +1,50 @@
+//
+//  MachineForTarget.hpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 04/11/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#ifndef MachineForTarget_hpp
+#define MachineForTarget_hpp
+
+#include "../../StaticAnalyser/StaticAnalyser.hpp"
+
+#include "../ConfigurationTarget.hpp"
+#include "../CRTMachine.hpp"
+#include "../JoystickMachine.hpp"
+#include "../KeyboardMachine.hpp"
+
+#include <string>
+
+namespace Machine {
+
+/*!
+	Provides the structure for owning a machine and dynamically casting it as desired without knowledge of
+	the machine's parent class or, therefore, the need to establish a common one.
+*/
+struct DynamicMachine {
+	virtual ConfigurationTarget::Machine *configuration_target() = 0;
+	virtual CRTMachine::Machine *crt_machine() = 0;
+	virtual JoystickMachine::Machine *joystick_machine() = 0;
+	virtual KeyboardMachine::Machine *keyboard_machine() = 0;
+};
+
+/*!
+	Allocates an instance of DynamicMachine holding a machine that can
+	receive the supplied target. The machine has been allocated on the heap.
+	It is the caller's responsibility to delete the class when finished.
+*/
+DynamicMachine *MachineForTarget(const StaticAnalyser::Target &target);
+
+/*!
+	Returns a short string name for the machine identified by the target,
+	which is guaranteed not to have any spaces or other potentially
+	filesystem-bothering contents.
+*/
+std::string NameForTarget(const StaticAnalyser::Target &target);
+
+}
+
+#endif /* MachineForTarget_hpp */

Machines/ZX8081/ZX8081.cpp

@@ -290,13 +290,30 @@ template<bool is_zx81> class ConcreteMachine:
 			Utility::TypeRecipient::set_typer_for_string(string, std::move(mapper));
 		}
 
-		void set_rom(ROMType type, std::vector<uint8_t> data) override final {
+		void set_rom(ROMType type, const std::vector<uint8_t> &data) override final {
 			switch(type) {
 				case ZX80: zx80_rom_ = data; break;
 				case ZX81: zx81_rom_ = data; break;
 			}
 		}
 
+		// Obtains the system ROMs.
+		bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
+			auto roms = roms_with_names(
+				"ZX8081",
+				{
+					"zx80.rom",	"zx81.rom",
+				});
+
+			for(size_t index = 0; index < roms.size(); ++index) {
+				auto &data = roms[index];
+				if(!data) return false;
+				set_rom(static_cast<ROMType>(index), *data);
+			}
+
+			return true;
+		}
+
 #pragma mark - Keyboard
 
 		void set_key_state(uint16_t key, bool isPressed) override final {

Machines/ZX8081/ZX8081.hpp

@@ -19,7 +19,7 @@
 namespace ZX8081 {
 
 enum ROMType: uint8_t {
-	ZX80, ZX81
+	ZX80 = 0, ZX81
 };
 
 class Machine:
@@ -30,7 +30,7 @@ class Machine:
 		static Machine *ZX8081(const StaticAnalyser::Target &target_hint);
 		virtual ~Machine();
 
-		virtual void set_rom(ROMType type, std::vector<uint8_t> data) = 0;
+		virtual void set_rom(ROMType type, const std::vector<uint8_t> &data) = 0;
 
 		virtual void set_use_fast_tape_hack(bool activate) = 0;
 		virtual void set_tape_is_playing(bool is_playing) = 0;

OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj

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+				4B055A7A1FAE78A00060FFFF /* SDL2.framework in Frameworks */,
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 			children = (
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 				4BC9DF4A1D04691600F44158 /* Components */,
 				4B3940E81DA83C8700427841 /* Concurrency */,
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 				4BB73EDC1B587CA500552FC2 /* Machines */,
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 				4BB73EDD1B587CA500552FC2 /* Processors */,
 				4BB73E9F1B587A5100552FC2 /* Products */,
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 			buildConfigurationList = 4BB73EC61B587A5100552FC2 /* Build configuration list for PBXNativeTarget "Clock Signal" */;
@@ -2559,6 +2744,10 @@
 				LastUpgradeCheck = 0900;
 				ORGANIZATIONNAME = "Thomas Harte";
 				TargetAttributes = {
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 				4BB73EB11B587A5100552FC2 /* Clock SignalTests */,
 				4BB73EBC1B587A5100552FC2 /* Clock SignalUITests */,
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 			);
 		};
 /* End PBXProject section */
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+				4B055AA21FAE85DA0060FFFF /* SSD.cpp in Sources */,
+				4B055ADD1FAE9B460060FFFF /* i8272.cpp in Sources */,
+				4B055AC51FAE9AEE0060FFFF /* Atari2600.cpp in Sources */,
+				4B055A9C1FAE85DA0060FFFF /* CPCDSK.cpp in Sources */,
+				4B055AE41FAE9B6F0060FFFF /* TextureTarget.cpp in Sources */,
+				4B055ABA1FAE86170060FFFF /* Commodore.cpp in Sources */,
+				4B055AA61FAE85EF0060FFFF /* Parser.cpp in Sources */,
+				4B055AE91FAE9B990060FFFF /* 6502Base.cpp in Sources */,
+				4B055A861FAE854C0060FFFF /* StaticAnalyser.cpp in Sources */,
+				4B055AEF1FAE9BF00060FFFF /* Typer.cpp in Sources */,
+				4B055ACA1FAE9AFB0060FFFF /* Vic20.cpp in Sources */,
+				4B055ABC1FAE86170060FFFF /* ZX8081.cpp in Sources */,
+				4B055AC91FAE9AFB0060FFFF /* Keyboard.cpp in Sources */,
+				4B055A991FAE85CB0060FFFF /* DiskController.cpp in Sources */,
+				4B055ACC1FAE9B030060FFFF /* Electron.cpp in Sources */,
+				4B055AB11FAE86070060FFFF /* Tape.cpp in Sources */,
+				4B055AA91FAE85EF0060FFFF /* CommodoreGCR.cpp in Sources */,
+				4B055A7F1FAE852F0060FFFF /* StaticAnalyser.cpp in Sources */,
+				4B055ADB1FAE9B460060FFFF /* 6560.cpp in Sources */,
+				4B055AA01FAE85DA0060FFFF /* MFMSectorDump.cpp in Sources */,
+				4B055AA11FAE85DA0060FFFF /* OricMFMDSK.cpp in Sources */,
+				4B055A951FAE85BB0060FFFF /* BitReverse.cpp in Sources */,
+				4B055A891FAE85580060FFFF /* StaticAnalyser.cpp in Sources */,
+				4B055ACE1FAE9B030060FFFF /* Plus3.cpp in Sources */,
+				4B055A8D1FAE85920060FFFF /* AsyncTaskQueue.cpp in Sources */,
+				4B055AC41FAE9AE80060FFFF /* Keyboard.cpp in Sources */,
+				4B055A941FAE85B50060FFFF /* CommodoreROM.cpp in Sources */,
+				4B055A971FAE85BB0060FFFF /* ZX8081.cpp in Sources */,
+				4B055AAD1FAE85FD0060FFFF /* PCMTrack.cpp in Sources */,
+				4B055A841FAE85450060FFFF /* Disk.cpp in Sources */,
+				4B055A831FAE85410060FFFF /* Tape.cpp in Sources */,
+				4B055AC61FAE9AEE0060FFFF /* Speaker.cpp in Sources */,
+				4B055AA81FAE85EF0060FFFF /* Shifter.cpp in Sources */,
+				4B055AC81FAE9AFB0060FFFF /* C1540.cpp in Sources */,
+				4B055A8F1FAE85A90060FFFF /* FileHolder.cpp in Sources */,
+				4B055A911FAE85B50060FFFF /* Cartridge.cpp in Sources */,
+				4B055ACD1FAE9B030060FFFF /* Keyboard.cpp in Sources */,
+				4B055A8B1FAE85670060FFFF /* StaticAnalyser.cpp in Sources */,
+				4B055AB21FAE860F0060FFFF /* CommodoreTAP.cpp in Sources */,
+				4B055ADF1FAE9B4C0060FFFF /* IRQDelegatePortHandler.cpp in Sources */,
+				4B055AB51FAE860F0060FFFF /* TapePRG.cpp in Sources */,
+				4B055AE01FAE9B660060FFFF /* CRT.cpp in Sources */,
+				4B055AD01FAE9B030060FFFF /* Tape.cpp in Sources */,
+				4B055A961FAE85BB0060FFFF /* Commodore.cpp in Sources */,
+				4B055ADE1FAE9B4C0060FFFF /* 6522Base.cpp in Sources */,
+				4B055AD41FAE9B0B0060FFFF /* Oric.cpp in Sources */,
+				4B055A821FAE853D0060FFFF /* StaticAnalyser.cpp in Sources */,
+				4B055A921FAE85B50060FFFF /* PRG.cpp in Sources */,
+				4B055AAF1FAE85FD0060FFFF /* UnformattedTrack.cpp in Sources */,
+				4B055A7E1FAE84AA0060FFFF /* main.cpp in Sources */,
+				4B055A9F1FAE85DA0060FFFF /* HFE.cpp in Sources */,
+				4B055AE71FAE9B6F0060FFFF /* Shader.cpp in Sources */,
+				4B055AEC1FAE9BA20060FFFF /* Z80Base.cpp in Sources */,
+				4B055AE31FAE9B6F0060FFFF /* TextureBuilder.cpp in Sources */,
+				4B055AB91FAE86170060FFFF /* Acorn.cpp in Sources */,
+				4B055A931FAE85B50060FFFF /* BinaryDump.cpp in Sources */,
+				4B055AD61FAE9B130060FFFF /* MemoryFuzzer.cpp in Sources */,
+				4B055AC21FAE9AE30060FFFF /* KeyboardMachine.cpp in Sources */,
+				4B055AD91FAE9B180060FFFF /* ZX8081.cpp in Sources */,
+				4B055AEB1FAE9BA20060FFFF /* PartialMachineCycle.cpp in Sources */,
+				4B055A871FAE854F0060FFFF /* Tape.cpp in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		4BB73E9A1B587A5100552FC2 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -3182,6 +3489,44 @@
 /* End PBXVariantGroup section */
 
 /* Begin XCBuildConfiguration section */
+		4B055A6E1FAE763F0060FFFF /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_STYLE = Automatic;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(USER_LIBRARY_DIR)/Frameworks",
+				);
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		4B055A6F1FAE763F0060FFFF /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CODE_SIGN_STYLE = Automatic;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(USER_LIBRARY_DIR)/Frameworks",
+				);
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
 		4BB73EC41B587A5100552FC2 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -3294,6 +3639,10 @@
 				CLANG_WARN__EXIT_TIME_DESTRUCTORS = YES;
 				CODE_SIGN_ENTITLEMENTS = "Clock Signal/Clock Signal.entitlements";
 				COMBINE_HIDPI_IMAGES = YES;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(USER_LIBRARY_DIR)/Frameworks",
+				);
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
@@ -3324,6 +3673,10 @@
 				CLANG_WARN__EXIT_TIME_DESTRUCTORS = YES;
 				CODE_SIGN_ENTITLEMENTS = "Clock Signal/Clock Signal.entitlements";
 				COMBINE_HIDPI_IMAGES = YES;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(USER_LIBRARY_DIR)/Frameworks",
+				);
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
@@ -3408,6 +3761,15 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
+		4B055A701FAE763F0060FFFF /* Build configuration list for PBXNativeTarget "Clock Signal Kiosk" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				4B055A6E1FAE763F0060FFFF /* Debug */,
+				4B055A6F1FAE763F0060FFFF /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 		4BB73E991B587A5100552FC2 /* Build configuration list for PBXProject "Clock Signal" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (

OSBindings/Mac/Clock Signal.xcodeproj/xcshareddata/xcschemes/Clock Signal.xcscheme

@@ -72,7 +72,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      enableUBSanitizer = "YES"
+      disableMainThreadChecker = "YES"
       language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"

OSBindings/Mac/Clock Signal/Machine/CSMachine.mm

@@ -16,6 +16,9 @@
 #include "JoystickMachine.hpp"
 #include "KeyboardMachine.hpp"
 
+#import "NSBundle+DataResource.h"
+#import "NSData+StdVector.h"
+
 @interface CSMachine()
 - (void)speaker:(Outputs::Speaker *)speaker didCompleteSamples:(const int16_t *)samples length:(int)length;
 - (void)machineDidChangeClockRate;
@@ -69,6 +72,23 @@ struct MachineDelegate: CRTMachine::Machine::Delegate, public LockProtectedDeleg
 		_speakerDelegate.machineAccessLock = _delegateMachineAccessLock;
 
 		_machine->set_delegate(&_machineDelegate);
+		_machine->set_rom_fetcher( [] (const std::string &machine, const std::vector<std::string> &names) -> std::vector<std::unique_ptr<std::vector<uint8_t>>> {
+			NSString *subDirectory = [@"ROMImages/" stringByAppendingString:[NSString stringWithUTF8String:machine.c_str()]];
+			std::vector<std::unique_ptr<std::vector<uint8_t>>> results;
+			for(auto &name: names) {
+				NSData *fileData = [[NSBundle mainBundle] dataForResource:[NSString stringWithUTF8String:name.c_str()] withExtension:nil subdirectory:subDirectory];
+
+				if(!fileData)
+					results.emplace_back(nullptr);
+				else {
+					std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>);
+					*data = fileData.stdVector8;
+					results.emplace_back(std::move(data));
+				}
+			}
+
+			return results;
+		});
 	}
 	return self;
 }

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSAmstradCPC.mm

@@ -10,10 +10,6 @@
 
 #include "AmstradCPC.hpp"
 
-#import "CSMachine+Subclassing.h"
-#import "NSData+StdVector.h"
-#import "NSBundle+DataResource.h"
-
 @implementation CSAmstradCPC {
 	std::unique_ptr<AmstradCPC::Machine> _amstradCPC;
 }
@@ -24,35 +20,10 @@
 	self = [super initWithMachine:machine];
 	if(self) {
 		_amstradCPC.reset(machine);
-
-		NSDictionary *roms = @{
-			@(AmstradCPC::ROMType::OS464) : @"os464",
-			@(AmstradCPC::ROMType::OS664) : @"os664",
-			@(AmstradCPC::ROMType::OS6128) : @"os6128",
-			@(AmstradCPC::ROMType::BASIC464) : @"basic464",
-			@(AmstradCPC::ROMType::BASIC664) : @"basic664",
-			@(AmstradCPC::ROMType::BASIC6128) : @"basic6128",
-			@(AmstradCPC::ROMType::AMSDOS) : @"amsdos",
-		};
-
-		for(NSNumber *key in roms.allKeys) {
-			AmstradCPC::ROMType type = (AmstradCPC::ROMType)key.integerValue;
-			NSString *name = roms[key];
-			NSData *data = [self rom:name];
-			if(data) {
-				_amstradCPC->set_rom(type, data.stdVector8);
-			} else {
-				NSLog(@"Amstrad CPC ROM missing: %@", name);
-			}
-		}
 	}
 	return self;
 }
 
-- (NSData *)rom:(NSString *)name {
-	return [[NSBundle mainBundle] dataForResource:name withExtension:@"rom" subdirectory:@"ROMImages/AmstradCPC"];
-}
-
 - (NSString *)userDefaultsPrefix {	return @"amstradCPC";	}
 
 @end

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSElectron.mm

@@ -9,11 +9,7 @@
 #import "CSElectron.h"
 
 #include "Electron.hpp"
-#include "StaticAnalyser.hpp"
 
-#import "CSMachine+Subclassing.h"
-#import "NSData+StdVector.h"
-#import "NSBundle+DataResource.h"
 
 @implementation CSElectron {
 	std::unique_ptr<Electron::Machine> _electron;
@@ -25,38 +21,12 @@
 	self = [super initWithMachine:machine];
 	if(self) {
 		_electron.reset(machine);
-
-		[self setOSROM:[self rom:@"os"]];
-		[self setBASICROM:[self rom:@"basic"]];
-		[self setDFSROM:[self rom:@"DFS-1770-2.20"]];
-
-		NSMutableData *adfs = [[self rom:@"ADFS-E00_1"] mutableCopy];
-		[adfs appendData:[self rom:@"ADFS-E00_2"]];
-		[self setADFSROM:adfs];
 	}
 	return self;
 }
 
-- (NSData *)rom:(NSString *)name {
-	return [[NSBundle mainBundle] dataForResource:name withExtension:@"rom" subdirectory:@"ROMImages/Electron"];
-}
-
 #pragma mark - ROM setting
 
-- (void)setOSROM:(nonnull NSData *)rom		{	[self setROM:rom slot:Electron::ROMSlotOS];		}
-- (void)setBASICROM:(nonnull NSData *)rom	{	[self setROM:rom slot:Electron::ROMSlotBASIC];	}
-- (void)setADFSROM:(nonnull NSData *)rom	{	[self setROM:rom slot:Electron::ROMSlotADFS];	}
-- (void)setDFSROM:(nonnull NSData *)rom		{	[self setROM:rom slot:Electron::ROMSlotDFS];	}
-
-- (void)setROM:(nonnull NSData *)rom slot:(int)slot {
-	if(rom)
-	{
-		@synchronized(self) {
-			_electron->set_rom((Electron::ROMSlot)slot, rom.stdVector8, false);
-		}
-	}
-}
-
 - (NSString *)userDefaultsPrefix {	return @"electron";	}
 
 #pragma mark - Options

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSOric.mm

@@ -9,11 +9,6 @@
 #import "CSOric.h"
 
 #include "Oric.hpp"
-#include "StaticAnalyser.hpp"
-
-#import "CSMachine+Subclassing.h"
-#import "NSData+StdVector.h"
-#import "NSBundle+DataResource.h"
 
 @implementation CSOric {
 	std::unique_ptr<Oric::Machine> _oric;
@@ -25,24 +20,10 @@
 	self = [super initWithMachine:machine];
 	if(self) {
 		_oric.reset(machine);
-
-		NSData *basic10 = [self rom:@"basic10"];
-		NSData *basic11 = [self rom:@"basic11"];
-		NSData *colour = [self rom:@"colour"];
-		NSData *microdisc = [self rom:@"microdisc"];
-
-		if(basic10)		_oric->set_rom(Oric::BASIC10, basic10.stdVector8);
-		if(basic11)		_oric->set_rom(Oric::BASIC11, basic11.stdVector8);
-		if(colour)		_oric->set_rom(Oric::Colour, colour.stdVector8);
-		if(microdisc)	_oric->set_rom(Oric::Microdisc, microdisc.stdVector8);
 	}
 	return self;
 }
 
-- (NSData *)rom:(NSString *)name {
-	return [[NSBundle mainBundle] dataForResource:name withExtension:@"rom" subdirectory:@"ROMImages/Oric"];
-}
-
 #pragma mark - Options
 
 - (void)setUseFastLoadingHack:(BOOL)useFastLoadingHack {

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.h

@@ -11,11 +11,11 @@
 
 typedef NS_ENUM(NSInteger, CSVic20Country)
 {
+	CSVic20CountryAmerican,
 	CSVic20CountryDanish,
 	CSVic20CountryEuropean,
 	CSVic20CountryJapanese,
-	CSVic20CountrySwedish,
+	CSVic20CountrySwedish
-	CSVic20CountryAmerican
 };
 
 typedef NS_ENUM(NSInteger, CSVic20MemorySize)

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSVic20.mm

@@ -9,12 +9,6 @@
 #import "CSVic20.h"
 
 #include "Vic20.hpp"
-#include "CommodoreTAP.hpp"
-#include "G64.hpp"
-#include "D64.hpp"
-
-#import "CSmachine+Subclassing.h"
-#import "NSBundle+DataResource.h"
 
 using namespace Commodore::Vic20;
 
@@ -31,41 +25,11 @@ using namespace Commodore::Vic20;
 	self = [super initWithMachine:machine];
 	if(self) {
 		_vic20.reset(machine);
-		[self setDriveROM:[[NSBundle mainBundle] dataForResource:@"1540" withExtension:@"bin" subdirectory:@"ROMImages/Commodore1540"]];
-		[self setBASICROM:[self rom:@"basic"]];
 		[self setCountry:CSVic20CountryEuropean];
 	}
 	return self;
 }
 
-- (NSData *)rom:(NSString *)name {
-	return [[NSBundle mainBundle] dataForResource:name withExtension:@"bin" subdirectory:@"ROMImages/Vic20"];
-}
-
-#pragma mark - ROM setting
-
-- (void)setROM:(nonnull NSData *)rom slot:(ROMSlot)slot {
-	@synchronized(self) {
-		_vic20->set_rom(slot, rom.length, (const uint8_t *)rom.bytes);
-	}
-}
-
-- (void)setKernelROM:(nonnull NSData *)rom {
-	[self setROM:rom slot:Kernel];
-}
-
-- (void)setBASICROM:(nonnull NSData *)rom {
-	[self setROM:rom slot:BASIC];
-}
-
-- (void)setCharactersROM:(nonnull NSData *)rom {
-	[self setROM:rom slot:Characters];
-}
-
-- (void)setDriveROM:(nonnull NSData *)rom {
-	[self setROM:rom slot:Drive];
-}
-
 #pragma mark - Keyboard map
 
 /*- (void)setKey:(uint16_t)key isPressed:(BOOL)isPressed {
@@ -89,40 +53,17 @@ using namespace Commodore::Vic20;
 
 - (void)setCountry:(CSVic20Country)country {
 	_country = country;
-	NSString *charactersROM, *kernelROM;
 	Commodore::Vic20::Region region;
 	switch(country) {
-		case CSVic20CountryDanish:
+		case CSVic20CountryDanish:		region = Commodore::Vic20::Danish;		break;
-			region = Commodore::Vic20::Region::PAL;
+		case CSVic20CountryEuropean:	region = Commodore::Vic20::European;	break;
-			charactersROM = @"characters-danish";
+		case CSVic20CountryJapanese:	region = Commodore::Vic20::Japanese;	break;
-			kernelROM = @"kernel-danish";
+		case CSVic20CountrySwedish:		region = Commodore::Vic20::Swedish;		break;
-		break;
+		case CSVic20CountryAmerican:	region = Commodore::Vic20::American;	break;
-		case CSVic20CountryEuropean:
-			region = Commodore::Vic20::Region::PAL;
-			charactersROM = @"characters-english";
-			kernelROM = @"kernel-pal";
-		break;
-		case CSVic20CountryJapanese:
-			region = Commodore::Vic20::Region::NTSC;
-			charactersROM = @"characters-japanese";
-			kernelROM = @"kernel-japanese";
-		break;
-		case CSVic20CountrySwedish:
-			region = Commodore::Vic20::Region::PAL;
-			charactersROM = @"characters-swedish";
-			kernelROM = @"kernel-swedish";
-		break;
-		case CSVic20CountryAmerican:
-			region = Commodore::Vic20::Region::NTSC;
-			charactersROM = @"characters-english";
-			kernelROM = @"kernel-ntsc";
-		break;
 	}
 
 	@synchronized(self) {
 		_vic20->set_region(region);
-		[self setCharactersROM:[self rom:charactersROM]];
-		[self setKernelROM:[self rom:kernelROM]];
 	}
 }
 

OSBindings/Mac/Clock Signal/Machine/Wrappers/CSZX8081.mm

@@ -10,10 +10,6 @@
 
 #include "ZX8081.hpp"
 
-#import "CSMachine+Subclassing.h"
-#import "NSData+StdVector.h"
-#import "NSBundle+DataResource.h"
-
 @implementation CSZX8081 {
 	std::unique_ptr<ZX8081::Machine> _zx8081;
 }
@@ -24,16 +20,10 @@
 	self = [super initWithMachine:machine];
 	if(self) {
 		_zx8081.reset(machine);
-		_zx8081->set_rom(ZX8081::ROMType::ZX80, [self rom:@"zx80"].stdVector8);
-		_zx8081->set_rom(ZX8081::ROMType::ZX81, [self rom:@"zx81"].stdVector8);
 	}
 	return self;
 }
 
-- (NSData *)rom:(NSString *)name {
-	return [[NSBundle mainBundle] dataForResource:name withExtension:@"rom" subdirectory:@"ROMImages/ZX8081"];
-}
-
 - (NSString *)userDefaultsPrefix {	return @"zx8081";	}
 
 #pragma mark - Options

OSBindings/SDL/main.cpp

@@ -0,0 +1,276 @@
+//
+//  main.cpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 04/11/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#include <iostream>
+#include <memory>
+#include <cstdio>
+
+#include <SDL2/SDL.h>
+
+#include "../../StaticAnalyser/StaticAnalyser.hpp"
+#include "../../Machines/Utility/MachineForTarget.hpp"
+
+#include "../../Machines/ConfigurationTarget.hpp"
+#include "../../Machines/CRTMachine.hpp"
+
+#include "../../Concurrency/BestEffortUpdater.hpp"
+
+namespace {
+
+struct CRTMachineDelegate: public CRTMachine::Machine::Delegate {
+	void machine_did_change_clock_rate(CRTMachine::Machine *machine) {
+		best_effort_updater->set_clock_rate(machine->get_clock_rate());
+	}
+
+	void machine_did_change_clock_is_unlimited(CRTMachine::Machine *machine) {
+	}
+
+	Concurrency::BestEffortUpdater *best_effort_updater;
+};
+
+struct BestEffortUpdaterDelegate: public Concurrency::BestEffortUpdater::Delegate {
+	void update(Concurrency::BestEffortUpdater *updater, int cycles, bool did_skip_previous_update) {
+		machine->crt_machine()->run_for(Cycles(cycles));
+	}
+
+	Machine::DynamicMachine *machine;
+};
+
+// This is set to a relatively large number for now.
+const int AudioBufferSize = 1024;
+
+struct SpeakerDelegate: public Outputs::Speaker::Delegate {
+	void speaker_did_complete_samples(Outputs::Speaker *speaker, const std::vector<int16_t> &buffer) {
+		if(SDL_GetQueuedAudioSize(audio_device) < AudioBufferSize*3)
+			SDL_QueueAudio(audio_device, reinterpret_cast<const void *>(buffer.data()), static_cast<Uint32>(buffer.size() * sizeof(uint16_t)));
+		updater->update();
+	}
+
+	SDL_AudioDeviceID audio_device;
+	Concurrency::BestEffortUpdater *updater;
+};
+
+bool KeyboardKeyForSDLScancode(SDL_Keycode scancode, Inputs::Keyboard::Key &key) {
+#define BIND(x, y) case SDL_SCANCODE_##x: key = Inputs::Keyboard::Key::y; break;
+	switch(scancode) {
+		default: return false;
+
+		BIND(F1, F1)	BIND(F2, F2)	BIND(F3, F3)	BIND(F4, F4)	BIND(F5, F5)	BIND(F6, F6)
+		BIND(F7, F7)	BIND(F8, F8)	BIND(F9, F9)	BIND(F10, F10)	BIND(F11, F11)	BIND(F12, F12)
+
+		BIND(1, k1)		BIND(2, k2)		BIND(3, k3)		BIND(4, k4)		BIND(5, k5)
+		BIND(6, k6)		BIND(7, k7)		BIND(8, k8)		BIND(9, k9)		BIND(0, k0)
+
+		BIND(Q, Q)		BIND(W, W)		BIND(E, E)		BIND(R, R)		BIND(T, T)
+		BIND(Y, Y)		BIND(U, U)		BIND(I, I)		BIND(O, O)		BIND(P, P)
+		BIND(A, A)		BIND(S, S)		BIND(D, D)		BIND(F, F)		BIND(G, G)
+		BIND(H, H)		BIND(J, J)		BIND(K, K)		BIND(L, L)
+		BIND(Z, Z)		BIND(X, X)		BIND(C, C)		BIND(V, V)
+		BIND(B, B)		BIND(N, N)		BIND(M, M)
+
+		BIND(KP_7, KeyPad7)	BIND(KP_8, KeyPad8)	BIND(KP_9, KeyPad9)
+		BIND(KP_4, KeyPad4)	BIND(KP_5, KeyPad5)	BIND(KP_6, KeyPad6)
+		BIND(KP_1, KeyPad1)	BIND(KP_2, KeyPad2)	BIND(KP_3, KeyPad3)
+		BIND(KP_0, KeyPad0)
+
+		BIND(ESCAPE, Escape)
+
+		BIND(PRINTSCREEN, PrintScreen)	BIND(SCROLLLOCK, ScrollLock)	BIND(PAUSE, Pause)
+
+		BIND(GRAVE, BackTick)		BIND(MINUS, Hyphen)		BIND(EQUALS, Equals)	BIND(BACKSPACE, BackSpace)
+
+		BIND(TAB, Tab)
+		BIND(LEFTBRACKET, OpenSquareBracket)	BIND(RIGHTBRACKET, CloseSquareBracket)
+		BIND(BACKSLASH, BackSlash)
+		
+		BIND(CAPSLOCK, CapsLock)	BIND(SEMICOLON, Semicolon)
+		BIND(APOSTROPHE, Quote)		BIND(RETURN, Enter)
+
+		BIND(LSHIFT, LeftShift)		BIND(COMMA, Comma)		BIND(PERIOD, FullStop)
+		BIND(SLASH, ForwardSlash)	BIND(RSHIFT, RightShift)
+
+		BIND(LCTRL, LeftControl)	BIND(LALT, LeftOption)		BIND(LGUI, LeftMeta)
+		BIND(SPACE, Space)
+		BIND(RCTRL, RightControl)	BIND(RALT, RightOption)	BIND(RGUI, RightMeta)
+
+		BIND(LEFT, Left)	BIND(RIGHT, Right)		BIND(UP, Up)	BIND(DOWN, Down)
+
+		BIND(INSERT, Insert)	BIND(HOME, Home)	BIND(PAGEUP, PageUp)
+		BIND(DELETE, Delete)	BIND(END, End)		BIND(PAGEDOWN, PageDown)
+
+		BIND(NUMLOCKCLEAR, NumLock)		BIND(KP_DIVIDE, KeyPadSlash)		BIND(KP_MULTIPLY, KeyPadAsterisk)
+		BIND(KP_PLUS, KeyPadPlus)		BIND(KP_MINUS, KeyPadMinus)			BIND(KP_ENTER, KeyPadEnter)
+		BIND(KP_DECIMAL, KeyPadDecimalPoint)
+		BIND(KP_EQUALS, KeyPadEquals)
+		BIND(HELP, Help)
+
+		// SDL doesn't seem to have scancodes for hash or keypad delete?
+	}
+#undef BIND
+	return true;
+}
+
+}
+
+int main(int argc, char *argv[]) {
+	SDL_Window *window = nullptr;
+
+	// Perform a sanity check on arguments.
+	if(argc < 2) {
+		std::cerr << "Usage: " << argv[0] << " [file]" << std::endl;
+		return -1;
+	}
+
+	// Determine the machine for the supplied file.
+	std::list<StaticAnalyser::Target> targets = StaticAnalyser::GetTargets(argv[1]);
+	if(targets.empty()) {
+		std::cerr << "Cannot open " << argv[1] << std::endl;
+		return -1;
+	}
+
+	Concurrency::BestEffortUpdater updater;
+	BestEffortUpdaterDelegate best_effort_updater_delegate;
+	CRTMachineDelegate crt_delegate;
+	SpeakerDelegate speaker_delegate;
+
+	// Create and configure a machine.
+	std::unique_ptr<::Machine::DynamicMachine> machine(::Machine::MachineForTarget(targets.front()));
+
+	updater.set_clock_rate(machine->crt_machine()->get_clock_rate());
+	crt_delegate.best_effort_updater = &updater;
+	best_effort_updater_delegate.machine = machine.get();
+	speaker_delegate.updater = &updater;
+
+	machine->crt_machine()->set_delegate(&crt_delegate);
+	updater.set_delegate(&best_effort_updater_delegate);
+
+	// Attempt to set up video and audio.
+	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
+		std::cerr << "SDL could not initialize! SDL_Error: " << SDL_GetError() << std::endl;
+		return -1;
+	}
+
+	// Ask for no depth buffer, a core profile and vsync-aligned rendering.
+	SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+	SDL_GL_SetSwapInterval(1);
+
+	window = SDL_CreateWindow(	"Clock Signal",
+								SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+								400, 300,
+								SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+
+	if(!window)
+	{
+		std::cerr << "Could not create window" << std::endl;
+		return -1;
+	}
+
+	SDL_GLContext gl_context = SDL_GL_CreateContext(window);
+	SDL_GL_MakeCurrent(window, gl_context);
+
+	// For vanilla SDL purposes, assume system ROMs can be found in one of:
+	//
+	//	/usr/local/share/CLK/[system]; or
+	//	/usr/share/CLK/[system]
+	bool roms_loaded = machine->crt_machine()->set_rom_fetcher( [] (const std::string &machine, const std::vector<std::string> &names) -> std::vector<std::unique_ptr<std::vector<uint8_t>>> {
+		std::vector<std::unique_ptr<std::vector<uint8_t>>> results;
+		for(auto &name: names) {
+			std::string local_path = "/usr/local/share/CLK/" + machine + "/" + name;
+			FILE *file = fopen(local_path.c_str(), "r");
+			if(!file) {
+				std::string path = "/usr/share/CLK/" + machine + "/" + name;
+				file = fopen(path.c_str(), "r");
+			}
+
+			if(!file) {
+				results.emplace_back(nullptr);
+				continue;
+			}
+			
+			std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>);
+
+			fseek(file, 0, SEEK_END);
+			data->resize(ftell(file));
+			fseek(file, 0, SEEK_SET);
+			fread(data->data(), 1, data->size(), file);
+			fclose(file);
+
+			results.emplace_back(std::move(data));
+		}
+
+		return results;
+	});
+	
+	if(!roms_loaded) {
+		std::cerr << "Could not find system ROMs; please install to /usr/local/share/CLK/ or /usr/share/CLK/" << std::endl;
+		return -1;
+	}
+
+	machine->configuration_target()->configure_as_target(targets.front());
+
+	// Setup output, assuming a CRT machine for now, and prepare a best-effort updater.
+	machine->crt_machine()->setup_output(4.0 / 3.0);
+	machine->crt_machine()->get_crt()->set_output_gamma(2.2f);
+
+	// For now, lie about audio output intentions.
+	auto speaker = machine->crt_machine()->get_speaker();
+	if(speaker) {
+		// Create an audio pipe.
+		SDL_AudioSpec desired_audio_spec;
+		SDL_AudioSpec obtained_audio_spec;
+		
+		SDL_zero(desired_audio_spec);
+		desired_audio_spec.freq = 48000;	// TODO: how can I get SDL to reveal the output rate of this machine?
+		desired_audio_spec.format = AUDIO_S16;
+		desired_audio_spec.channels = 1;
+		desired_audio_spec.samples = AudioBufferSize;
+		
+		speaker_delegate.audio_device = SDL_OpenAudioDevice(nullptr, 0, &desired_audio_spec, &obtained_audio_spec, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
+
+		speaker->set_output_rate(obtained_audio_spec.freq, obtained_audio_spec.samples);
+		speaker->set_delegate(&speaker_delegate);
+		SDL_PauseAudioDevice(speaker_delegate.audio_device, 0);
+	}
+
+	// Run the main event loop until the OS tells us to quit.
+	bool should_quit = false;
+	while(!should_quit) {
+		// Process all pending events.
+		SDL_Event event;
+		while(SDL_PollEvent(&event)) {
+			switch(event.type) {
+				case SDL_QUIT:	should_quit = true;	break;
+
+				case SDL_KEYDOWN:
+				case SDL_KEYUP:
+					KeyboardMachine::Machine *keyboard_machine = machine->keyboard_machine();
+					if(!keyboard_machine) break;
+
+					Inputs::Keyboard::Key key = Inputs::Keyboard::Key::Space;
+					if(!KeyboardKeyForSDLScancode(event.key.keysym.scancode, key)) break;
+					keyboard_machine->get_keyboard().set_key_pressed(key, event.type == SDL_KEYDOWN);
+				break;
+			}
+		}
+
+		// Display a new frame and wait for vsync.
+		updater.update();
+		int width, height;
+		SDL_GetWindowSize(window, &width, &height);
+		machine->crt_machine()->get_crt()->draw_frame(static_cast<unsigned int>(width), static_cast<unsigned int>(height), false);
+		SDL_GL_SwapWindow(window);
+	}
+
+	// Clean up.
+	SDL_DestroyWindow( window );
+	SDL_Quit();
+
+	return 0;
+}

Outputs/Speaker.hpp

@@ -109,7 +109,7 @@ class Speaker {
 		size_t buffer_in_progress_pointer_;
 		size_t number_of_taps_, requested_number_of_taps_;
 		bool coefficients_are_dirty_;
-		Delegate *delegate_;
+		Delegate *delegate_ = nullptr;
 
 		float input_cycles_per_second_, output_cycles_per_second_;