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https://github.com/sampletext32/ParkanPlayground.git
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nice big refactor
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@@ -11,11 +11,11 @@ public class MovMemRegHandler : InstructionHandler
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/// <param name="codeBuffer">The buffer containing the code to decode</param>
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/// <param name="decoder">The instruction decoder that owns this handler</param>
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/// <param name="length">The length of the buffer</param>
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public MovMemRegHandler(byte[] codeBuffer, InstructionDecoder decoder, int length)
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public MovMemRegHandler(byte[] codeBuffer, InstructionDecoder decoder, int length)
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: base(codeBuffer, decoder, length)
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{
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}
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/// <summary>
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/// Checks if this handler can decode the given opcode
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/// </summary>
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@@ -25,7 +25,7 @@ public class MovMemRegHandler : InstructionHandler
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{
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return opcode == 0x88 || opcode == 0x89;
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}
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/// <summary>
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/// Decodes a MOV r/m32, r32 or MOV r/m8, r8 instruction
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/// </summary>
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@@ -36,24 +36,24 @@ public class MovMemRegHandler : InstructionHandler
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{
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// Set the mnemonic
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instruction.Mnemonic = "mov";
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int position = Decoder.GetPosition();
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if (position >= Length)
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{
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return false;
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}
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// Determine operand size (0 = 8-bit, 1 = 32-bit)
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bool operandSize32 = (opcode & 0x01) != 0;
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int operandSize = operandSize32 ? 32 : 8;
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// Read the ModR/M byte
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var (mod, reg, rm, memOperand) = ModRMDecoder.ReadModRM();
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// Get register name based on size
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string regName = ModRMDecoder.GetRegisterName(reg, operandSize);
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// For mod == 3, both operands are registers
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if (mod == 3)
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{
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@@ -64,7 +64,7 @@ public class MovMemRegHandler : InstructionHandler
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{
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instruction.Operands = $"{memOperand}, {regName}";
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}
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return true;
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}
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}
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}
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