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Fix x86 disassembler issues with direct memory addressing and immediate value formatting

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bird_egop
2025-04-15 02:29:32 +03:00
parent d351f41808
commit 3ea327064a
67 changed files with 854 additions and 453 deletions
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7
X86Disassembler/X86/Handlers/ArithmeticUnary/NegRm32Handler.cs
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@ -56,6 +56,13 @@ public class NegRm32Handler : InstructionHandler
// For NEG r/m32 (0xF7 /3):
// - The r/m field with mod specifies the operand (register or memory)
var (mod, reg, rm, operand) = ModRMDecoder.ReadModRM();
// Verify this is a NEG instruction
// The reg field should be 3 (NEG), which maps to RegisterIndex.B in our enum
if (reg != RegisterIndex.B)
{
return false;
}
// Set the structured operands
// NEG has only one operand