public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); uint localSize = 0; if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register localSize = sourceCrawler.ReadWordValue(); } // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x37 output.Write(localSize); } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress targetRegister = sourceCrawler.ReadRegister(); // Eat the whitespace leading to next parameter sourceCrawler.EatWhitespace(); if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += 3; // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x37 output.Write((byte)targetRegister); output.Write((byte)sourceRegister); } } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.LabelDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register uint location = sourceCrawler.ReadLabelLocation(); // This instruction is 1 byte for instruction, and 1 word for location sourceCrawler.AssemblyLength += (uint)(1 + CompilerSettings.WORD_LENGTH); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x0C output.Write(location); } } else if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register uint location = sourceCrawler.ReadWordValue(); // This instruction is 1 byte for instruction, and 1 word for location sourceCrawler.AssemblyLength += (uint)(1 + CompilerSettings.WORD_LENGTH); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x0C output.Write(location); } } else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); // This instruction is 1 byte for instruction, and 1 word for location sourceCrawler.AssemblyLength += (uint)(1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x4C output.Write((byte)sourceRegister); } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress targetRegister = sourceCrawler.ReadRegister(); // Eat the whitespace leading to next parameter sourceCrawler.EatWhitespace(); // Peek at the next character, if it is a literal delimiter, we parse a literal, otherwise we parse a register if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read hard-coded location uint location = sourceCrawler.ReadWordValue(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + 1 + CompilerSettings.WORD_LENGTH); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x18 output.Write((byte)targetRegister); output.Write(location); } } // This is not a literal location, check for register else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += 3; // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x19 output.Write((byte)targetRegister); output.Write((byte)sourceRegister); } } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress targetRegister = sourceCrawler.ReadRegister(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x17 output.Write((byte)targetRegister); } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress destinationRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x35 output.Write((byte)destinationRegister); } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); // Eat the whitespace leading to next parameter sourceCrawler.EatWhitespace(); // Peek at the next character, if it is a literal delimiter, we parse a literal, otherwise we parse a register if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read hard-coded location byte deviceId = sourceCrawler.ReadByteValue(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + 1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x32 output.Write((byte)sourceRegister); output.Write(deviceId); } } // This is not a literal location, check for register else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress destinationRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (uint)(1 + 1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x33 output.Write((byte)sourceRegister); output.Write((byte)destinationRegister); } } } // Well it didn't start with a register, so we must be comparing a value else if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the value uint value = sourceCrawler.ReadWordValue(); // Eat the whitespace leading to next parameter sourceCrawler.EatWhitespace(); // Peek at the next character, if it is a literal delimiter, we parse a literal, otherwise we parse a register if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read hard-coded location byte deviceId = sourceCrawler.ReadByteValue(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + CompilerSettings.WORD_LENGTH + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[2]); // 0x30 output.Write(value); output.Write(deviceId); } } // This is not a literal location, check for register else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress destinationRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (uint)(1 + CompilerSettings.WORD_LENGTH + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[3]); // 0x31 output.Write(value); output.Write((byte)destinationRegister); } } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek at the next character, if it is a literal delimiter, we parse a literal, otherwise we parse a register if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read hard-coded location uint value = sourceCrawler.ReadWordValue(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + CompilerSettings.WORD_LENGTH); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x34 output.Write(value); } } // This is not a literal location, check for register else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x35 output.Write((byte)sourceRegister); } } else if (sourceCrawler.Peek() == CompilerSettings.ConstantDelimiter) { string constant = ""; while (!char.IsWhiteSpace(sourceCrawler.Peek())) { constant += sourceCrawler.Get(); } if (constant.Equals("_ret_addr_")) { sourceCrawler.AssemblyLength += 1 + 1; if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x35 output.Write((byte)0xF0); } } } }
public override void Interpret(SourceCrawler sourceCrawler, BinaryWriter output, bool isLabelScan) { // Eat whitespace to right of mnemonic sourceCrawler.EatWhitespace(); // Peek to make sure next character is a register delimiter, otherwise we return if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over the register delimiter sourceCrawler.CurrentNdx++; // Read the register RegisterAddress targetRegister = sourceCrawler.ReadRegister(); // Eat the whitespace leading to next parameter sourceCrawler.EatWhitespace(); // Peek at the next character, if it is a literal delimiter, we parse a literal, otherwise we parse a register if (sourceCrawler.Peek() == CompilerSettings.LiteralDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read hard-coded location uint value = sourceCrawler.ReadWordValue(); // Eat whitepace to next delimiter sourceCrawler.EatWhitespace(); // Make sure we have a target register if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { sourceCrawler.CurrentNdx++; RegisterAddress destinationRegister = sourceCrawler.ReadRegister(); // Add the correct size to the assembly length sourceCrawler.AssemblyLength += (uint)(1 + 1 + CompilerSettings.WORD_LENGTH + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[0]); // 0x20 output.Write((byte)targetRegister); output.Write(value); output.Write((byte)destinationRegister); } } } // This is not a literal location, check for register else if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { // Pass over delimiter sourceCrawler.CurrentNdx++; // Read register RegisterAddress sourceRegister = sourceCrawler.ReadRegister(); sourceCrawler.EatWhitespace(); // Make sure we have a target register if (sourceCrawler.Peek() == CompilerSettings.RegisterDelimiter) { sourceCrawler.CurrentNdx++; RegisterAddress destinationRegister = sourceCrawler.ReadRegister(); // This instruction is 3 bytes wide sourceCrawler.AssemblyLength += (1 + 1 + 1 + 1); // If this is not a label scanning pass, write to output if (!isLabelScan) { output.Write(ByteCodes[1]); // 0x21 output.Write((byte)targetRegister); output.Write((byte)sourceRegister); output.Write((byte)destinationRegister); } } } else { throw new InvalidDataException("Bad bytecode at line {0}, arguments should be ADDS ,X ,Y ,Z or ADDS ,X #val ,Y"); } } }