Created functions to allow for data to be written to and read from memory using bianry strings.
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@@ -13,6 +13,14 @@ namespace CPUSimulation
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{
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Word dataToWrite = GenerateRandomWord(_random.Next(1, 5));
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_memoryController.Write((Int16)i, dataToWrite);
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//Word dataRead = _memoryController.Read((Int16)i);
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//Console.WriteLine($"Data read from address {new Address((Int16)i).ToString()}: {dataRead.ToString()}");
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}
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_memoryController.Write("0000000000000001","0000000011110000");
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_memoryController.Write("0000000000000010","1111000000001111");
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for (int i = 0; i < 16; i++)
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{
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Word dataRead = _memoryController.Read((Int16)i);
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Console.WriteLine($"Data read from address {new Address((Int16)i).ToString()}: {dataRead.ToString()}");
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}
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@@ -46,19 +46,7 @@ namespace CPUSimulation
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Byte[] bytesToWrite;
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if (byteCount < _numberOfMemoryBanks)
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{
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int numberOfPaddingBytes = _numberOfMemoryBanks - byteCount;
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bytesToWrite = new Byte[_numberOfMemoryBanks];
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for (int i = 0; i < _numberOfMemoryBanks; i++)
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{
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if (i < numberOfPaddingBytes)
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{
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bytesToWrite[i] = new Byte(new Bit[8]{ new Bit(false), new Bit(false), new Bit(false), new Bit(false), new Bit(false), new Bit(false), new Bit(false), new Bit(false) });
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}
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else
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{
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bytesToWrite[i] = byteData[i - numberOfPaddingBytes];
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}
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}
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bytesToWrite = GeneratePaddingBytes(byteData, byteCount);
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}
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else if (data.GetByteCount() > _numberOfMemoryBanks)
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{
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@@ -76,6 +64,36 @@ namespace CPUSimulation
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}
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}
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public void Write(string address, string data)
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{
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if(address.Length != 16)
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{
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throw new ArgumentException("Address must be 16 bits long.");
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}
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if (data.Length % 8 != 0)
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{
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throw new ArgumentException("Data must be a multiple of 8 bits long.");
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}
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int byteCount = data.Length / 8;
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if (byteCount > _numberOfMemoryBanks)
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{
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throw new ArgumentException($"Data must consist of {_numberOfMemoryBanks} bytes or less.");
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}
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if (byteCount < _numberOfMemoryBanks)
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{
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data = data.PadLeft(_numberOfMemoryBanks * 8, '0');
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}
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for (int i = 0; i < _numberOfMemoryBanks; i++)
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{
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string byteString = data.Substring(i * 8, 8);
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Byte byteData = new Byte(byteString);
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_memoryBanks[i].Write(address, byteData);
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}
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}
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private void AddressOkay(Int16 address)
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{
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if (address < 0 || address >= _memoryBankSize)
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@@ -83,5 +101,26 @@ namespace CPUSimulation
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throw new ArgumentOutOfRangeException(nameof(address), $"Address must be between 0 and {_memoryBankSize - 1}.");
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}
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}
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private Byte[] GeneratePaddingBytes(Byte[] byteData, int byteCount)
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{
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Byte[] bytesToWrite;
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int numberOfPaddingBytes = _numberOfMemoryBanks - byteCount;
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bytesToWrite = new Byte[_numberOfMemoryBanks];
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for (int i = 0; i < _numberOfMemoryBanks; i++)
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{
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if (i < numberOfPaddingBytes)
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{
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Bit bit = new Bit();
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bytesToWrite[i] = new Byte(new Bit[8] { bit, bit, bit, bit, bit, bit, bit, bit });
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}
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else
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{
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bytesToWrite[i] = byteData[i - numberOfPaddingBytes];
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}
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}
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return bytesToWrite;
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}
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}
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}
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@@ -9,6 +9,14 @@ namespace CPUSimulation
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{
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_value = value;
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}
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public Bit(string bitString)
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{
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if (bitString.Length != 1 || (bitString != "0" && bitString != "1"))
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{
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throw new ArgumentException("Bit string must be '0' or '1'.");
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}
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_value = bitString == "1";
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}
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public bool GetValue()
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{
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return _value;
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@@ -26,6 +34,19 @@ namespace CPUSimulation
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_bits = bits;
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}
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public Byte(string bitString)
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{
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if (bitString.Length != 8)
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{
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throw new ArgumentException("Bit string must be exactly 8 characters long.");
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}
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_bits = new Bit[8];
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for (int i = 0; i < 8; i++)
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{
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_bits[i] = new Bit(bitString[i] == '1');
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}
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}
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public Bit[] GetBits()
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{
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return _bits;
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@@ -13,7 +13,7 @@ using System.Reflection;
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[assembly: System.Reflection.AssemblyCompanyAttribute("CPUSimulation")]
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[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
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[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
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[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+8cf9e2c5f5ac52e9ad7b40d2f046e9d08850a297")]
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[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+9efadc3b4a2f776b2177e2873a3b46b0d1af54c3")]
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[assembly: System.Reflection.AssemblyProductAttribute("CPUSimulation")]
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[assembly: System.Reflection.AssemblyTitleAttribute("CPUSimulation")]
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[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
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@@ -1 +1 @@
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f5b5f51936326916e2fb5d1d37c6294b5a3a803b598c90e6e30bc1bd1c0e6dc7
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c2e5aae0cecf3bbefacc496747f7594154fd639e9a9c0b2086d3b9acd9b437a5
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