mirrors/ParkanPlayground
0
Fork 0
mirror of https://github.com/sampletext32/ParkanPlayground.git synced 2025-06-20 08:18:36 +03:00
Code Issues Releases Activity

nice big refactor

Browse Source
This commit is contained in:
bird_egop
2025-04-13 23:06:52 +03:00
parent 59df064ca4
commit 11a2cfada4
92 changed files with 981 additions and 1509 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
X86Disassembler/X86/Handlers/FloatingPoint/Float32OperationHandler.cs
View File

@ -3,7 +3,7 @@ namespace X86Disassembler.X86.Handlers.FloatingPoint;
/// <summary>
/// Handler for floating-point operations on float32 (D8 opcode)
/// </summary>
public class Float32OperationHandler : FloatingPointBaseHandler
public class Float32OperationHandler : InstructionHandler
{
// D8 opcode - operations on float32
private static readonly string[] Mnemonics =
@ -55,27 +55,20 @@ public class Float32OperationHandler : FloatingPointBaseHandler
}
// Read the ModR/M byte
byte modRM = CodeBuffer[position++];
Decoder.SetPosition(position);
// Extract the fields from the ModR/M byte
byte mod = (byte) ((modRM & 0xC0) >> 6);
byte reg = (byte) ((modRM & 0x38) >> 3);
byte rm = (byte) (modRM & 0x07);
var (mod, reg, rm, destOperand) = ModRMDecoder.ReadModRM();
// Set the mnemonic based on the opcode and reg field
instruction.Mnemonic = Mnemonics[reg];
instruction.Mnemonic = Mnemonics[(int)reg];
// For memory operands, set the operand
if (mod != 3) // Memory operand
{
string operand = ModRMDecoder.DecodeModRM(mod, rm, false);
instruction.Operands = operand;
instruction.Operands = destOperand;
}
else // Register operand (ST(i))
{
// For register operands, we need to handle the stack registers
instruction.Operands = $"st(0), st({rm})";
instruction.Operands = $"st(0), st({(int)rm})";
}
return true;