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Code Issues Releases Activity

fixes

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bird_egop
2025-04-17 22:54:19 +03:00
parent 4d2db05a07
commit df453b930f
14 changed files with 340 additions and 192 deletions
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10
X86Disassembler/X86/ModRMDecoder.cs
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@ -271,8 +271,8 @@ public class ModRMDecoder
byte rmIndex = (byte)(modRM & Constants.RM_MASK);
// Map the ModR/M register indices to RegisterIndex enum values
RegisterIndex reg = RegisterMapper.MapModRMToRegisterIndex(regIndex);
RegisterIndex rm = RegisterMapper.MapModRMToRegisterIndex(rmIndex);
RegisterIndex reg = (RegisterIndex)regIndex;
RegisterIndex rm = (RegisterIndex)rmIndex;
// Create the operand based on the mod and rm fields
Operand operand = DecodeModRM(mod, rm, is64Bit);
@ -299,8 +299,8 @@ public class ModRMDecoder
byte rmIndex = (byte)(modRM & Constants.RM_MASK);
// Map the ModR/M register indices to RegisterIndex8 enum values
RegisterIndex8 reg = RegisterMapper.MapModRMToRegisterIndex8(regIndex);
RegisterIndex8 rm = RegisterMapper.MapModRMToRegisterIndex8(rmIndex);
RegisterIndex8 reg = (RegisterIndex8)regIndex;
RegisterIndex8 rm = (RegisterIndex8)rmIndex;
// Create the operand based on the mod and rm fields
Operand operand;
@ -315,7 +315,7 @@ public class ModRMDecoder
// For memory operands, we need to map the RegisterIndex8 to RegisterIndex for base registers
// The rmIndex is the raw value from the ModR/M byte, not the mapped RegisterIndex8
// This is important because we need to check if it's 4 (ESP) for SIB byte
RegisterIndex rmRegIndex = RegisterMapper.MapModRMToRegisterIndex(rmIndex);
RegisterIndex rmRegIndex = (RegisterIndex)rmIndex;
// Use the DecodeModRM8 method to get an 8-bit memory operand
operand = DecodeModRM8(mod, rmRegIndex);