Added just enough wiring to add something that will generate the video, one day.

Machines/Oric/Oric.cpp

@@ -10,7 +10,7 @@
 
 using namespace Oric;
 
-Machine::Machine()
+Machine::Machine() : _cycles_since_video_update(0)
 {
 	set_clock_rate(1000000);
 }
@@ -35,12 +35,22 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
 		if(isReadOperation(operation))
 			*value = _ram[address];
 		else
+		{
+			if(address >= 0xa000) update_video();
 			_ram[address] = *value;
+		}
 	}
 
+	_cycles_since_video_update++;
 	return 1;
 }
 
+void Machine::update_video()
+{
+	_videoOutput->run_for_cycles(_cycles_since_video_update);
+	_cycles_since_video_update = 0;
+}
+
 void Machine::setup_output(float aspect_ratio)
 {
 	// TODO: this is a copy and paste from the Electron; correct.
@@ -53,6 +63,9 @@ void Machine::setup_output(float aspect_ratio)
 			"texValue >>= 4 - (int(icoordinate.x * 8) & 4);"
 			"return vec3( uvec3(texValue) & uvec3(4u, 2u, 1u));"
 		"}");
+
+	_videoOutput.reset(new VideoOutput(_ram));
+	_videoOutput->set_crt(_crt);
 }
 
 void Machine::close_output()

Machines/Oric/Oric.hpp

@@ -16,6 +16,8 @@
 #include "../CRTMachine.hpp"
 #include "../Typer.hpp"
 
+#include "Video.hpp"
+
 #include <cstdint>
 #include <vector>
 
@@ -36,7 +38,7 @@ class Machine:
 
 		// to satisfy CPU6502::Processor
 		unsigned int perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value);
-//		void synchronise();
+		void synchronise() { update_video(); }
 
 		// to satisfy CRTMachine::Machine
 		virtual void setup_output(float aspect_ratio);
@@ -48,9 +50,12 @@ class Machine:
 	private:
 		// RAM and ROM
 		uint8_t _ram[65536], _rom[16384];
+		int _cycles_since_video_update;
+		inline void update_video();
 
 		// Outputs
 		std::shared_ptr<Outputs::CRT::CRT> _crt;
+		std::unique_ptr<VideoOutput> _videoOutput;
 };
 
 }

Machines/Oric/Video.cpp

@@ -0,0 +1,23 @@
+//
+//  Video.cpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 12/10/2016.
+//  Copyright © 2016 Thomas Harte. All rights reserved.
+//
+
+#include "Video.hpp"
+
+using namespace Oric;
+
+VideoOutput::VideoOutput(uint8_t *memory) : _ram(memory)
+{
+}
+
+void VideoOutput::set_crt(std::shared_ptr<Outputs::CRT::CRT> crt)
+{
+}
+
+void VideoOutput::run_for_cycles(int number_of_cycles)
+{
+}

Machines/Oric/Video.hpp

@@ -0,0 +1,28 @@
+//
+//  Video.hpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 12/10/2016.
+//  Copyright © 2016 Thomas Harte. All rights reserved.
+//
+
+#ifndef Video_hpp
+#define Video_hpp
+
+#include "../../Outputs/CRT/CRT.hpp"
+
+namespace Oric {
+
+class VideoOutput {
+	public:
+		VideoOutput(uint8_t *memory);
+		void set_crt(std::shared_ptr<Outputs::CRT::CRT> crt);
+		void run_for_cycles(int number_of_cycles);
+
+	private:
+		uint8_t *_ram;
+};
+
+}
+
+#endif /* Video_hpp */

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

@@ -25,6 +25,7 @@
 		4B2A53A21D117D36003C6002 /* CSElectron.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4B2A539C1D117D36003C6002 /* CSElectron.mm */; };
 		4B2A53A31D117D36003C6002 /* CSVic20.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4B2A539E1D117D36003C6002 /* CSVic20.mm */; };
 		4B2BFC5F1D613E0200BA3AA9 /* TapePRG.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2BFC5D1D613E0200BA3AA9 /* TapePRG.cpp */; };
+		4B2BFDB21DAEF5FF001A68B8 /* Video.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2BFDB01DAEF5FF001A68B8 /* Video.cpp */; };
 		4B2E2D9A1C3A06EC00138695 /* Atari2600.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2E2D971C3A06EC00138695 /* Atari2600.cpp */; };
 		4B2E2D9D1C3A070400138695 /* Electron.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2E2D9B1C3A070400138695 /* Electron.cpp */; };
 		4B30512D1D989E2200B4FED8 /* Drive.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B30512B1D989E2200B4FED8 /* Drive.cpp */; };
@@ -432,6 +433,8 @@
 		4B2A539E1D117D36003C6002 /* CSVic20.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CSVic20.mm; sourceTree = "<group>"; };
 		4B2BFC5D1D613E0200BA3AA9 /* TapePRG.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TapePRG.cpp; sourceTree = "<group>"; };
 		4B2BFC5E1D613E0200BA3AA9 /* TapePRG.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = TapePRG.hpp; sourceTree = "<group>"; };
+		4B2BFDB01DAEF5FF001A68B8 /* Video.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Video.cpp; path = Oric/Video.cpp; sourceTree = "<group>"; };
+		4B2BFDB11DAEF5FF001A68B8 /* Video.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Video.hpp; path = Oric/Video.hpp; sourceTree = "<group>"; };
 		4B2E2D971C3A06EC00138695 /* Atari2600.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Atari2600.cpp; sourceTree = "<group>"; };
 		4B2E2D981C3A06EC00138695 /* Atari2600.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Atari2600.hpp; sourceTree = "<group>"; };
 		4B2E2D991C3A06EC00138695 /* Atari2600Inputs.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Atari2600Inputs.h; sourceTree = "<group>"; };
@@ -1691,6 +1694,8 @@
 			children = (
 				4BCF1FA21DADC3DD0039D2E7 /* Oric.cpp */,
 				4BCF1FA31DADC3DD0039D2E7 /* Oric.hpp */,
+				4B2BFDB01DAEF5FF001A68B8 /* Video.cpp */,
+				4B2BFDB11DAEF5FF001A68B8 /* Video.hpp */,
 			);
 			name = Oric;
 			sourceTree = "<group>";
@@ -2205,6 +2210,7 @@
 				4B643F3F1D77B88000D431D6 /* DocumentController.swift in Sources */,
 				4BA799951D8B656E0045123D /* StaticAnalyser.cpp in Sources */,
 				4BF829601D8F3C87001BAE39 /* CRC.cpp in Sources */,
+				4B2BFDB21DAEF5FF001A68B8 /* Video.cpp in Sources */,
 				4B4DC82B1D2C27A4003C5BF8 /* SerialBus.cpp in Sources */,
 				4BC3B74F1CD194CC00F86E85 /* Shader.cpp in Sources */,
 				4B8FE2221DA19FB20090D3CE /* MachinePanel.swift in Sources */,