Ejemplo n.º 1
0
 public RealMachine(Input inputHandler = null, Output outputHandler = null)
 {
     RealMemory     = new RealMemory();
     ExternalMemory = new ExternalMemory();
     InputHandler   = inputHandler;
     OutputHandler  = outputHandler;
     ChannelTool    = new ChannelTool(RealMemory, ExternalMemory, InputHandler, OutputHandler);
     Processor      = new Processor(RealMemory, ChannelTool);
     ChannelTool.SetProcessor(Processor);
     VirtualMemory = null;
     Pager         = null;
 }
Ejemplo n.º 2
0
 public ChannelTool(RealMemory realMemmory, ExternalMemory externalMemory, Input inputHandler, Output outputHandler, Processor processor = null)
 {
     RealMemory     = realMemmory;
     ExternalMemory = externalMemory;
     InputHandler   = inputHandler;
     OutputHandler  = outputHandler;
     Processor      = processor;
     registers      = new Dictionary <string, Register> {
         { "SB", new HexRegister() },                                    // Copy source block address
         { "DB", new HexRegister() },                                    // Copy destination block address
         { "ST", new ChoiceRegister(1, 2, 3, 4, 5, 6, 7) },              // Source object number: 1-user memory, 2-supervisor, 3-external, 4-input
         { "DT", new ChoiceRegister(1, 2, 3, 4, 5, 6, 7) },              // Destination object number: 1-user memory, 2-supervisor, 3-external, 4-output
     };
 }
Ejemplo n.º 3
0
        public void XCHG()
        {
            char[][] sourceBlock = null;
            char[]   sourceWord  = null;

            int sourceAddress      = ((HexRegister)registers["SB"]).GetIntValue();
            int destinationAddress = ((HexRegister)registers["DB"]).GetIntValue();

            int STvalue = ((ChoiceRegister)registers["ST"]).GetIntValue();
            int DTvalue = ((ChoiceRegister)registers["DT"]).GetIntValue();

            if ((STvalue == '5' || STvalue == '6' || STvalue == '7') ^ (DTvalue == '5' || DTvalue == '6' || DTvalue == '7'))
            {
                throw new Exception("Channel tool cannot work with word and block at the same time.");
            }

            switch (STvalue)
            {
            case 1:
                sourceBlock = RealMemory.GetUserMemoryBlockValues(sourceAddress);
                break;

            case 2:
                sourceBlock = RealMemory.GetSupervisorMemoryBlockValues(sourceAddress);
                break;

            case 3:
                sourceBlock = ExternalMemory.GetBlockValues(sourceAddress);
                break;

            case 4:
                sourceBlock = InputHandler.ReadBlock();
                break;

            case 5:
                sourceWord = InputHandler.ReadWord();
                break;

            case 6:
                sourceWord = Processor.GetRegisterValue("R1");
                break;

            case 7:
                sourceWord = Processor.GetRegisterValue("R2");
                break;

            default:
                throw new Exception("Channel tool ST register value is incorrect.");
            }

            switch (DTvalue)
            {
            case 1:
                RealMemory.SetUserMemoryBlockValues(destinationAddress, sourceBlock);
                break;

            case 2:
                RealMemory.SetSupervisorMemoryBlockValues(destinationAddress, sourceBlock);
                break;

            case 3:
                ExternalMemory.SetBlockValues(destinationAddress, sourceBlock);
                break;

            case 4:
                OutputHandler.WriteBlock(sourceBlock);
                break;

            case 5:
                OutputHandler.WriteWord(sourceWord);
                break;

            case 6:
                Processor.SetRegisterValue("R1", sourceWord);
                break;

            case 7:
                Processor.SetRegisterValue("R2", sourceWord);
                break;

            default:
                throw new Exception("Channel tool ST register value is incorrect.");
            }
        }