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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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14
X86Disassembler/X86/Handlers/Xor/XorImmWithRm8Handler.cs
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@@ -47,18 +47,10 @@ public class XorImmWithRm8Handler : InstructionHandler
// Set the instruction type
instruction.Type = InstructionType.Xor;
if (!Decoder.CanReadByte())
{
return false;
}
// Read the ModR/M byte, specifying that we're dealing with 8-bit operands
var (mod, reg, rm, destinationOperand) = ModRMDecoder.ReadModRM8();
// Read the ModR/M byte
// For XOR r/m8, imm8 (0x80 /6):
// - The r/m field with mod specifies the destination operand (register or memory)
// - The immediate value is the source operand
var (mod, reg, rm, destinationOperand) = ModRMDecoder.ReadModRM();
// Adjust the operand size to 8-bit
// Ensure the destination operand has the correct size (8-bit)
destinationOperand.Size = 8;
// Read the immediate value