implement shift and rotate handlers. Fix tests

X86Disassembler/X86/Handlers/Shift/RclRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m32, 1 instruction (0xD1 /2)
+/// </summary>
+public class RclRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m32, 1 is encoded as 0xD1 /2
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RclRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m32, CL instruction (0xD3 /2)
+/// </summary>
+public class RclRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m32, CL is encoded as 0xD3 /2
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RclRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m32, imm8 instruction (0xC1 /2)
+/// </summary>
+public class RclRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m32, imm8 is encoded as 0xC1 /2
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RclRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m8, 1 instruction (0xD0 /2)
+/// </summary>
+public class RclRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m8, 1 is encoded as 0xD0 /2
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RclRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m8, CL instruction (0xD2 /2)
+/// </summary>
+public class RclRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m8, CL is encoded as 0xD2 /2
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RclRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCL r/m8, imm8 instruction (0xC0 /2)
+/// </summary>
+public class RclRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RclRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RclRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCL r/m8, imm8 is encoded as 0xC0 /2
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (RCL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 2; // 2 = RCL
+    }
+
+    /// <summary>
+    /// Decodes a RCL r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m32, 1 instruction (0xD1 /3)
+/// </summary>
+public class RcrRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m32, 1 is encoded as 0xD1 /3
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m32, CL instruction (0xD3 /3)
+/// </summary>
+public class RcrRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m32, CL is encoded as 0xD3 /3
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m32, imm8 instruction (0xC1 /3)
+/// </summary>
+public class RcrRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m32, imm8 is encoded as 0xC1 /3
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m8, 1 instruction (0xD0 /3)
+/// </summary>
+public class RcrRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m8, 1 is encoded as 0xD0 /3
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m8, CL instruction (0xD2 /3)
+/// </summary>
+public class RcrRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m8, CL is encoded as 0xD2 /3
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RcrRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for RCR r/m8, imm8 instruction (0xC0 /3)
+/// </summary>
+public class RcrRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RcrRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RcrRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // RCR r/m8, imm8 is encoded as 0xC0 /3
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 3 (RCR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 3; // 3 = RCR
+    }
+
+    /// <summary>
+    /// Decodes a RCR r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rcr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m32, 1 instruction (0xD1 /0)
+/// </summary>
+public class RolRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m32, 1 is encoded as 0xD1 /0
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m32, CL instruction (0xD3 /0)
+/// </summary>
+public class RolRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m32, CL is encoded as 0xD3 /0
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m32, imm8 instruction (0xC1 /0)
+/// </summary>
+public class RolRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m32, imm8 is encoded as 0xC1 /0
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m8, 1 instruction (0xD0 /0)
+/// </summary>
+public class RolRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m8, 1 is encoded as 0xD0 /0
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m8, CL instruction (0xD2 /0)
+/// </summary>
+public class RolRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m8, CL is encoded as 0xD2 /0
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RolRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROL r/m8, imm8 instruction (0xC0 /0)
+/// </summary>
+public class RolRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RolRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RolRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROL r/m8, imm8 is encoded as 0xC0 /0
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 0 (ROL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 0; // 0 = ROL
+    }
+
+    /// <summary>
+    /// Decodes a ROL r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Rol;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m32, 1 instruction (0xD1 /1)
+/// </summary>
+public class RorRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m32, 1 is encoded as 0xD1 /1
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m32, CL instruction (0xD3 /1)
+/// </summary>
+public class RorRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m32, CL is encoded as 0xD3 /1
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m32, imm8 instruction (0xC1 /1)
+/// </summary>
+public class RorRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m32, imm8 is encoded as 0xC1 /1
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m8, 1 instruction (0xD0 /1)
+/// </summary>
+public class RorRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m8, 1 is encoded as 0xD0 /1
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m8, CL instruction (0xD2 /1)
+/// </summary>
+public class RorRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m8, CL is encoded as 0xD2 /1
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/RorRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for ROR r/m8, imm8 instruction (0xC0 /1)
+/// </summary>
+public class RorRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the RorRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public RorRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // ROR r/m8, imm8 is encoded as 0xC0 /1
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 1 (ROR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 1; // 1 = ROR
+    }
+
+    /// <summary>
+    /// Decodes a ROR r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Ror;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (rotate count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the rotate count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m32, 1 instruction (0xD1 /7)
+/// </summary>
+public class SarRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m32, 1 is encoded as 0xD1 /7
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m32, CL instruction (0xD3 /7)
+/// </summary>
+public class SarRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m32, CL is encoded as 0xD3 /7
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m32, imm8 instruction (0xC1 /7)
+/// </summary>
+public class SarRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m32, imm8 is encoded as 0xC1 /7
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m8, 1 instruction (0xD0 /7)
+/// </summary>
+public class SarRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m8, 1 is encoded as 0xD0 /7
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m8, CL instruction (0xD2 /7)
+/// </summary>
+public class SarRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m8, CL is encoded as 0xD2 /7
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/SarRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SAR r/m8, imm8 instruction (0xC0 /7)
+/// </summary>
+public class SarRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SarRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SarRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SAR r/m8, imm8 is encoded as 0xC0 /7
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 7 (SAR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 7; // 7 = SAR
+    }
+
+    /// <summary>
+    /// Decodes a SAR r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Sar;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m32, 1 instruction (0xD1 /4)
+/// </summary>
+public class ShlRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m32, 1 is encoded as 0xD1 /4
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m32, CL instruction (0xD3 /4)
+/// </summary>
+public class ShlRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m32, CL is encoded as 0xD3 /4
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m32, imm8 instruction (0xC1 /4)
+/// </summary>
+public class ShlRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m32, imm8 is encoded as 0xC1 /4
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m8, 1 instruction (0xD0 /4)
+/// </summary>
+public class ShlRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m8, 1 is encoded as 0xD0 /4
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m8, CL instruction (0xD2 /4)
+/// </summary>
+public class ShlRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m8, CL is encoded as 0xD2 /4
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShlRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHL r/m8, imm8 instruction (0xC0 /4)
+/// </summary>
+public class ShlRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShlRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShlRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHL r/m8, imm8 is encoded as 0xC0 /4
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 4 (SHL)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 4; // 4 = SHL
+    }
+
+    /// <summary>
+    /// Decodes a SHL r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shl;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm32By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m32, 1 instruction (0xD1 /5)
+/// </summary>
+public class ShrRm32By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm32By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm32By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m32, 1 is encoded as 0xD1 /5
+        if (opcode != 0xD1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m32, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm32ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m32, CL instruction (0xD3 /5)
+/// </summary>
+public class ShrRm32ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm32ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm32ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m32, CL is encoded as 0xD3 /5
+        if (opcode != 0xD3)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m32, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm32ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m32, imm8 instruction (0xC1 /5)
+/// </summary>
+public class ShrRm32ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm32ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm32ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m32, imm8 is encoded as 0xC1 /5
+        if (opcode != 0xC1)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m32, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm8By1Handler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m8, 1 instruction (0xD0 /5)
+/// </summary>
+public class ShrRm8By1Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm8By1Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm8By1Handler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m8, 1 is encoded as 0xD0 /5
+        if (opcode != 0xD0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m8, 1 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create an immediate operand for the constant 1
+        var immOperand = OperandFactory.CreateImmediateOperand(1);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm8ByClHandler.cs

@@ -0,0 +1,65 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m8, CL instruction (0xD2 /5)
+/// </summary>
+public class ShrRm8ByClHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm8ByClHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm8ByClHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m8, CL is encoded as 0xD2 /5
+        if (opcode != 0xD2)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m8, CL instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Create a register operand for CL
+        var clOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.CL);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            clOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Shift/ShrRm8ByImmHandler.cs

@@ -0,0 +1,72 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Shift;
+
+/// <summary>
+/// Handler for SHR r/m8, imm8 instruction (0xC0 /5)
+/// </summary>
+public class ShrRm8ByImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the ShrRm8ByImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public ShrRm8ByImmHandler(InstructionDecoder decoder)
+        : base(decoder)
+    {
+    }
+
+    /// <summary>
+    /// Checks if this handler can decode the given opcode
+    /// </summary>
+    /// <param name="opcode">The opcode to check</param>
+    /// <returns>True if this handler can decode the opcode</returns>
+    public override bool CanHandle(byte opcode)
+    {
+        // SHR r/m8, imm8 is encoded as 0xC0 /5
+        if (opcode != 0xC0)
+            return false;
+
+        // Check if we can read the ModR/M byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 5 (SHR)
+        var reg = ModRMDecoder.PeakModRMReg();
+        return reg == 5; // 5 = SHR
+    }
+
+    /// <summary>
+    /// Decodes a SHR r/m8, imm8 instruction
+    /// </summary>
+    /// <param name="opcode">The opcode of the instruction</param>
+    /// <param name="instruction">The instruction object to populate</param>
+    /// <returns>True if the instruction was successfully decoded</returns>
+    public override bool Decode(byte opcode, Instruction instruction)
+    {
+        // Set the instruction type
+        instruction.Type = InstructionType.Shr;
+
+        // Read the ModR/M byte
+        var (_, _, _, operand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we can read the immediate byte
+        if (!Decoder.CanReadByte())
+            return false;
+
+        // Read the immediate byte (shift count)
+        byte imm8 = Decoder.ReadByte();
+
+        // Create an immediate operand for the shift count
+        var immOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            operand,
+            immOperand
+        ];
+
+        return true;
+    }
+}