Implemented SBB instruction handlers for the x86 disassembler

X86Disassembler/X86/Handlers/Sbb/SbbAlImmHandler.cs

@@ -0,0 +1,64 @@
+namespace X86Disassembler.X86.Handlers.Sbb;
+
+using Operands;
+
+/// <summary>
+/// Handler for SBB AL, imm8 instruction (0x1C)
+/// </summary>
+public class SbbAlImmHandler : InstructionHandler
+{
+    /// <summary>
+    /// Initializes a new instance of the SbbAlImmHandler class
+    /// </summary>
+    /// <param name="decoder">The instruction decoder that owns this handler</param>
+    public SbbAlImmHandler(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 == 0x1C;
+    }
+
+    /// <summary>
+    /// Decodes a SBB 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.Sbb;
+
+        // Create the AL register operand
+        var alOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, 8);
+
+        // 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 immOperand = OperandFactory.CreateImmediateOperand(imm8, 8);
+
+        // Set the structured operands
+        instruction.StructuredOperands = 
+        [
+            alOperand,
+            immOperand
+        ];
+
+        return true;
+    }
+}