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nice big refactor

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bird_egop
2025-04-13 23:06:52 +03:00
parent 59df064ca4
commit 11a2cfada4
92 changed files with 981 additions and 1509 deletions
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25
X86Disassembler/X86/Handlers/Cmp/CmpR32Rm32Handler.cs
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@ -42,32 +42,23 @@ public class CmpR32Rm32Handler : InstructionHandler
}
// 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
instruction.Mnemonic = "cmp";
// Get the register name
string regName = GetRegister32(reg);
string regName = ModRMDecoder.GetRegisterName(reg, 32);
// For memory operands, set the operand
if (mod != 3) // Memory operand
// For register operands, set the operand
if (mod == 3)
{
string operand = ModRMDecoder.DecodeModRM(mod, rm, false);
instruction.Operands = $"{regName}, {operand}";
}
else // Register operand
{
string rmName = GetRegister32(rm);
instruction.Operands = $"{regName}, {rmName}";
// Register operand
destOperand = ModRMDecoder.GetRegisterName(rm, 32);
}
instruction.Operands = $"{regName}, {destOperand}";
return true;
}
}