Unified ADC accumulator handlers into a single handler

X86Disassembler/X86/Handlers/Adc/AdcAccumulatorImmHandler.cs

@@ -0,0 +1,71 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC AX/EAX, imm16/32 instruction (opcode 0x15)
+/// </summary>
+public class AdcAccumulatorImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcAccumulatorImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcAccumulatorImmHandler(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)
+    {
+        // ADC AX/EAX, imm16/32 is encoded as 0x15
+        return opcode == 0x15;
+    }
+
+    /// <summary>
+    /// Decodes a ADC AX/EAX, imm16/32 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.Adc;
+
+        // Determine operand size based on prefix
+        int operandSize = Decoder.HasOperandSizePrefix() ? 16 : 32;
+        
+        // Check if we have enough bytes for the immediate value
+        if (operandSize == 16 && !Decoder.CanReadUShort())
+        {
+            return false;
+        }
+        else if (operandSize == 32 && !Decoder.CanReadUInt())
+        {
+            return false;
+        }
+
+        // Create the accumulator register operand (AX or EAX)
+        var accumulatorOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, operandSize);
+
+        // Read and create the immediate operand based on operand size
+        var immOperand = operandSize == 16 
+            ? OperandFactory.CreateImmediateOperand(Decoder.ReadUInt16(), operandSize)
+            : OperandFactory.CreateImmediateOperand(Decoder.ReadUInt32(), operandSize);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            accumulatorOperand,
+            immOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcAlImmHandler.cs

@@ -0,0 +1,64 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Adc;
+
+/// <summary>
+/// Handler for ADC AL, imm8 instruction (0x14)
+/// </summary>
+public class AdcAlImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcAlImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcAlImmHandler(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)
+    {
+        return opcode == 0x14;
+    }
+
+    /// <summary>
+    /// Decodes an ADC AL, 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.Adc;
+
+        // Check if we have enough bytes for the immediate value
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the immediate byte
+        var imm8 = Decoder.ReadByte();
+
+        // Create the AL register operand
+        var destinationOperand = OperandFactory.CreateRegisterOperand8(RegisterIndex8.AL);
+
+        // Create the immediate operand
+        var sourceOperand = OperandFactory.CreateImmediateOperand(imm8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcImmToRm16Handler.cs

@@ -0,0 +1,82 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC r/m16, imm16 instruction (0x81 /2 with 0x66 prefix)
+/// </summary>
+public class AdcImmToRm16Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcImmToRm16Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcImmToRm16Handler(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)
+    {
+        // ADC r/m16, imm16 is encoded as 0x81 /2 with 0x66 prefix
+        if (opcode != 0x81)
+        {
+            return false;
+        }
+
+        // Check if we have enough bytes to read the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Check if the reg field of the ModR/M byte is 2 (ADC)
+        var reg = ModRMDecoder.PeakModRMReg();
+
+        // Only handle when the operand size prefix is present
+        return reg == 2 && Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes a ADC r/m16, imm16 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.Adc;
+
+        // Read the ModR/M byte, specifying that we're dealing with 16-bit operands
+        var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM16();
+
+        // Note: The operand size is already set to 16-bit by the ReadModRM16 method
+
+        // Check if we have enough bytes for the immediate value
+        if (!Decoder.CanReadUShort())
+        {
+            return false;
+        }
+
+        // Read the immediate value
+        ushort imm16 = Decoder.ReadUInt16();
+
+        // Create the immediate operand
+        var sourceOperand = OperandFactory.CreateImmediateOperand(imm16, 16);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcImmToRm16SignExtendedHandler.cs

@@ -0,0 +1,84 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC r/m16, imm8 (sign-extended) instruction (0x83 /2 with 0x66 prefix)
+/// </summary>
+public class AdcImmToRm16SignExtendedHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcImmToRm16SignExtendedHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcImmToRm16SignExtendedHandler(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)
+    {
+        // ADC r/m16, imm8 (sign-extended) is encoded as 0x83 /2 with 0x66 prefix
+        if (opcode != 0x83)
+        {
+            return false;
+        }
+
+        // Check if we have enough bytes to read the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Check if the reg field of the ModR/M byte is 2 (ADC)
+        var reg = ModRMDecoder.PeakModRMReg();
+
+        // Only handle when the operand size prefix is present
+        return reg == 2 && Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes a ADC r/m16, imm8 (sign-extended) 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.Adc;
+
+        // For ADC r/m16, imm8 (sign-extended) (0x83 /2 with 0x66 prefix):
+        // - The r/m field with mod specifies the destination operand (register or memory)
+        // - The immediate value is the source operand (sign-extended from 8 to 16 bits)
+        var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM16();
+
+        // Note: The operand size is already set to 16-bit by the ReadModRM16 method
+
+        // Check if we have enough bytes for the immediate value
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the immediate value (sign-extended from 8 to 16 bits)
+        short imm16 = (sbyte)Decoder.ReadByte();
+
+        // Create the immediate operand
+        var sourceOperand = OperandFactory.CreateImmediateOperand((ushort)imm16, 16);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcImmToRm8Handler.cs

@@ -0,0 +1,81 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC r/m8, imm8 instruction (0x80 /2)
+/// </summary>
+public class AdcImmToRm8Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcImmToRm8Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcImmToRm8Handler(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)
+    {
+        if (opcode != 0x80)
+            return false;
+
+        // Check if the reg field of the ModR/M byte is 2 (ADC)
+        if (!Decoder.CanReadByte())
+            return false;
+
+        var reg = ModRMDecoder.PeakModRMReg();
+
+        return reg == 2; // 2 = ADC
+    }
+
+    /// <summary>
+    /// Decodes an ADC 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.Adc;
+
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the ModR/M byte
+        // For ADC r/m8, imm8 (0x80 /2):
+        // - The r/m field with mod specifies the destination operand (register or memory)
+        // - The immediate value is the source operand
+        var (_, _, _, destinationOperand) = ModRMDecoder.ReadModRM8();
+
+        // Check if we have enough bytes for the immediate value
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the immediate value
+        byte imm8 = Decoder.ReadByte();
+
+        // Create the immediate operand
+        var sourceOperand = OperandFactory.CreateImmediateOperand(imm8, 8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcR16Rm16Handler.cs

@@ -0,0 +1,72 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC r16, r/m16 instruction (0x13 with 0x66 prefix)
+/// </summary>
+public class AdcR16Rm16Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcR16Rm16Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcR16Rm16Handler(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)
+    {
+        // ADC r16, r/m16 is encoded as 0x13 with 0x66 prefix
+        if (opcode != 0x13)
+        {
+            return false;
+        }
+
+        // Only handle when the operand size prefix is present
+        return Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes a ADC r16, r/m16 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // For ADC r16, r/m16 (0x13 with 0x66 prefix):
+        // - The reg field of the ModR/M byte specifies the destination register
+        // - The r/m field with mod specifies the source operand (register or memory)
+        var (_, reg, _, sourceOperand) = ModRMDecoder.ReadModRM16();
+
+        // Note: The operand size is already set to 16-bit by the ReadModRM16 method
+
+        // Create the destination register operand with 16-bit size
+        var destinationOperand = OperandFactory.CreateRegisterOperand(reg, 16);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcR32Rm32Handler.cs

@@ -0,0 +1,66 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Adc;
+
+/// <summary>
+/// Handler for ADC r32, r/m32 instruction (0x13)
+/// </summary>
+public class AdcR32Rm32Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcR32Rm32Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcR32Rm32Handler(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)
+    {
+        // Only handle opcode 0x13 when the operand size prefix is NOT present
+        // This ensures 16-bit handlers get priority when the prefix is present
+        return opcode == 0x13 && !Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes an ADC r32, r/m32 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the ModR/M byte
+        // For ADC r32, r/m32 (0x13):
+        // - The reg field specifies the destination register
+        // - The r/m field with mod specifies the source operand (register or memory)
+        var (_, reg, _, sourceOperand) = ModRMDecoder.ReadModRM();
+
+        // Create the register operand for the reg field
+        var destinationOperand = OperandFactory.CreateRegisterOperand(reg);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcR8Rm8Handler.cs

@@ -0,0 +1,64 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Adc;
+
+/// <summary>
+/// Handler for ADC r8, r/m8 instruction (0x12)
+/// </summary>
+public class AdcR8Rm8Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcR8Rm8Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcR8Rm8Handler(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)
+    {
+        return opcode == 0x12;
+    }
+
+    /// <summary>
+    /// Decodes an ADC r8, r/m8 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the ModR/M byte
+        // For ADC r8, r/m8 (0x12):
+        // - The reg field specifies the destination register
+        // - The r/m field with mod specifies the source operand (register or memory)
+        var (_, reg, _, sourceOperand) = ModRMDecoder.ReadModRM8();
+
+        // Create the register operand for the reg field
+        var destinationOperand = OperandFactory.CreateRegisterOperand8(reg);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcRm16R16Handler.cs

@@ -0,0 +1,72 @@
+namespace X86Disassembler.X86.Handlers.Adc;
+
+using Operands;
+
+/// <summary>
+/// Handler for ADC r/m16, r16 instruction (0x11 with 0x66 prefix)
+/// </summary>
+public class AdcRm16R16Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcRm16R16Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcRm16R16Handler(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)
+    {
+        // ADC r/m16, r16 is encoded as 0x11 with 0x66 prefix
+        if (opcode != 0x11)
+        {
+            return false;
+        }
+
+        // Only handle when the operand size prefix is present
+        return Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes a ADC r/m16, r16 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // For ADC r/m16, r16 (0x11 with 0x66 prefix):
+        // - The reg field of the ModR/M byte specifies the source register
+        // - The r/m field with mod specifies the destination operand (register or memory)
+        var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM16();
+
+        // Note: The operand size is already set to 16-bit by the ReadModRM16 method
+
+        // Create the source register operand with 16-bit size
+        var sourceOperand = OperandFactory.CreateRegisterOperand(reg, 16);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcRm32R32Handler.cs

@@ -0,0 +1,66 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Adc;
+
+/// <summary>
+/// Handler for ADC r/m32, r32 instruction (0x11)
+/// </summary>
+public class AdcRm32R32Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcRm32R32Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcRm32R32Handler(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)
+    {
+        // Only handle opcode 0x11 when the operand size prefix is NOT present
+        // This ensures 16-bit handlers get priority when the prefix is present
+        return opcode == 0x11 && !Decoder.HasOperandSizePrefix();
+    }
+
+    /// <summary>
+    /// Decodes an ADC r/m32, r32 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the ModR/M byte
+        // For ADC r/m32, r32 (0x11):
+        // - The r/m field with mod specifies the destination operand (register or memory)
+        // - The reg field specifies the source register
+        var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM();
+
+        // Create the register operand for the reg field
+        var sourceOperand = OperandFactory.CreateRegisterOperand(reg);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}

X86Disassembler/X86/Handlers/Adc/AdcRm8R8Handler.cs

@@ -0,0 +1,64 @@
+using X86Disassembler.X86.Operands;
+
+namespace X86Disassembler.X86.Handlers.Adc;
+
+/// <summary>
+/// Handler for ADC r/m8, r8 instruction (0x10)
+/// </summary>
+public class AdcRm8R8Handler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the AdcRm8R8Handler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public AdcRm8R8Handler(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)
+    {
+        return opcode == 0x10;
+    }
+
+    /// <summary>
+    /// Decodes an ADC r/m8, r8 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.Adc;
+
+        // Check if we have enough bytes for the ModR/M byte
+        if (!Decoder.CanReadByte())
+        {
+            return false;
+        }
+
+        // Read the ModR/M byte
+        // For ADC r/m8, r8 (0x10):
+        // - The r/m field with mod specifies the destination operand (register or memory)
+        // - The reg field specifies the source register
+        var (_, reg, _, destinationOperand) = ModRMDecoder.ReadModRM8();
+
+        // Create the register operand for the reg field
+        var sourceOperand = OperandFactory.CreateRegisterOperand8(reg);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            destinationOperand,
+            sourceOperand
+        ];
+
+        return true;
+    }
+}