Updated instruction handlers to use Type and StructuredOperands instead of Mnemonic and Operands

X86Disassembler/X86/FpuRegisterIndex.cs

@@ -0,0 +1,37 @@
+namespace X86Disassembler.X86;
+
+/// <summary>
+/// Represents the index values for x87 floating-point unit registers.
+/// These values correspond to the encoding used in x87 FPU instructions
+/// for identifying the specific ST(i) register operands.
+/// </summary>
+public enum FpuRegisterIndex
+{
+    
+    
+    // FPU register aliases
+    
+    /// <summary>FPU register ST(0)</summary>
+    ST0 = 0,
+    
+    /// <summary>FPU register ST(1)</summary>
+    ST1 = 2,
+    
+    /// <summary>FPU register ST(2)</summary>
+    ST2 = 3,
+    
+    /// <summary>FPU register ST(3)</summary>
+    ST3 = 1,
+    
+    /// <summary>FPU register ST(4)</summary>
+    ST4 = 6,
+    
+    /// <summary>FPU register ST(5)</summary>
+    ST5 = 7,
+    
+    /// <summary>FPU register ST(6)</summary>
+    ST6 = 4,
+    
+    /// <summary>FPU register ST(7)</summary>
+    ST7 = 5,
+}