diff --git a/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubpStiStHandler.cs b/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubpStiStHandler.cs
index 57b1891..cef6a88 100644
--- a/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubpStiStHandler.cs
+++ b/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubpStiStHandler.cs
@@ -3,7 +3,7 @@ namespace X86Disassembler.X86.Handlers.FloatingPoint.Arithmetic;
using X86Disassembler.X86.Operands;
///
-/// Handler for FSUBP ST(i), ST instruction (DE E0-E7)
+/// Handler for FSUBRP ST(i), ST instruction (DE E0-E7)
///
public class FsubpStiStHandler : InstructionHandler
{
@@ -23,7 +23,7 @@ public class FsubpStiStHandler : InstructionHandler
/// True if this handler can decode the opcode
public override bool CanHandle(byte opcode)
{
- // FSUBP ST(i), ST is DE E0-E7
+ // FSUBRP ST(i), ST is DE E0-E7
if (opcode != 0xDE) return false;
if (!Decoder.CanReadByte())
@@ -39,7 +39,7 @@ public class FsubpStiStHandler : InstructionHandler
}
///
- /// Decodes a FSUBP ST(i), ST instruction
+ /// Decodes a FSUBRP ST(i), ST instruction
///
/// The opcode of the instruction
/// The instruction object to populate
@@ -55,7 +55,7 @@ public class FsubpStiStHandler : InstructionHandler
var stIndex = (FpuRegisterIndex)(Decoder.ReadByte() - 0xE0);
// Set the instruction type
- instruction.Type = InstructionType.Fsubp;
+ instruction.Type = InstructionType.Fsubrp;
// Create the FPU register operands
var stiOperand = OperandFactory.CreateFPURegisterOperand(stIndex);
diff --git a/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubrpStiStHandler.cs b/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubrpStiStHandler.cs
index 00e54b8..784b0f3 100644
--- a/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubrpStiStHandler.cs
+++ b/X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubrpStiStHandler.cs
@@ -3,7 +3,7 @@ namespace X86Disassembler.X86.Handlers.FloatingPoint.Arithmetic;
using X86Disassembler.X86.Operands;
///
-/// Handler for FSUBRP ST(i), ST instruction (DE E8-EF)
+/// Handler for FSUBP ST(i), ST instruction (DE E8-EF)
///
public class FsubrpStiStHandler : InstructionHandler
{
@@ -23,7 +23,7 @@ public class FsubrpStiStHandler : InstructionHandler
/// True if this handler can decode the opcode
public override bool CanHandle(byte opcode)
{
- // FSUBRP ST(i), ST is DE E8-EF
+ // FSUBP ST(i), ST is DE E8-EF
if (opcode != 0xDE) return false;
if (!Decoder.CanReadByte())
@@ -39,7 +39,7 @@ public class FsubrpStiStHandler : InstructionHandler
}
///
- /// Decodes a FSUBRP ST(i), ST instruction
+ /// Decodes a FSUBP ST(i), ST instruction
///
/// The opcode of the instruction
/// The instruction object to populate
@@ -55,7 +55,7 @@ public class FsubrpStiStHandler : InstructionHandler
var stIndex = (FpuRegisterIndex)(Decoder.ReadByte() - 0xE8);
// Set the instruction type
- instruction.Type = InstructionType.Fsubrp;
+ instruction.Type = InstructionType.Fsubp;
// Create the FPU register operands
var stiOperand = OperandFactory.CreateFPURegisterOperand(stIndex);
diff --git a/X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs b/X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs
index 49db358..68a3b9c 100644
--- a/X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs
+++ b/X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs
@@ -470,7 +470,7 @@ public class InstructionHandlerFactory
_handlers.Add(new FloatingPoint.Arithmetic.FaddStiStHandler(_decoder)); // FADD ST(i), ST (DC C0-C7)
_handlers.Add(new FloatingPoint.Arithmetic.FmulStiStHandler(_decoder)); // FMUL ST(i), ST (DC C8-CF)
_handlers.Add(new FloatingPoint.Comparison.FcomRegisterHandler(_decoder)); // FCOM ST(i), ST(0) (DC D0-D7)
- _handlers.Add(new FloatingPoint.Arithmetic.FsubStiStHandler(_decoder)); // FSUB ST(i), ST (DC E0-E7)
+ _handlers.Add(new FloatingPoint.Arithmetic.FsubStiStHandler(_decoder)); // FSUBR ST(i), ST (DC E0-E7)
_handlers.Add(new FloatingPoint.Arithmetic.FsubrStiStHandler(_decoder)); // FSUB ST(i), ST (DC E8-EF)
_handlers.Add(new FloatingPoint.Arithmetic.FdivrStiStHandler(_decoder)); // FDIVR ST(i), ST (DC F0-F7)
_handlers.Add(new FloatingPoint.Arithmetic.FdivStiStHandler(_decoder)); // FDIV ST(i), ST (DC F8-FF)
@@ -502,10 +502,10 @@ public class InstructionHandlerFactory
_handlers.Add(new FloatingPoint.Arithmetic.FaddpStiStHandler(_decoder)); // FADDP ST(i), ST (DE C0-C7)
_handlers.Add(new FloatingPoint.Arithmetic.FmulpStiStHandler(_decoder)); // FMULP ST(i), ST (DE C8-CF)
_handlers.Add(new FloatingPoint.Comparison.FcomppHandler(_decoder)); // FCOMPP (DE D9)
- _handlers.Add(new FloatingPoint.Arithmetic.FsubpStiStHandler(_decoder)); // FSUBP ST(i), ST (DE E0-E7)
- _handlers.Add(new FloatingPoint.Arithmetic.FsubrpStiStHandler(_decoder)); // FSUBRP ST(i), ST (DE E8-EF)
- _handlers.Add(new FloatingPoint.Arithmetic.FdivrpStiStHandler(_decoder)); // FDIVP ST(i), ST (DE F0-F7)
- _handlers.Add(new FloatingPoint.Arithmetic.FdivpStiStHandler(_decoder)); // FDIVRP ST(i), ST (DE F8-FF)
+ _handlers.Add(new FloatingPoint.Arithmetic.FsubpStiStHandler(_decoder)); // FSUBRP ST(i), ST (DE E0-E7)
+ _handlers.Add(new FloatingPoint.Arithmetic.FsubrpStiStHandler(_decoder)); // FSUBP ST(i), ST (DE E8-EF)
+ _handlers.Add(new FloatingPoint.Arithmetic.FdivrpStiStHandler(_decoder)); // FDIVRP ST(i), ST (DE F0-F7)
+ _handlers.Add(new FloatingPoint.Arithmetic.FdivpStiStHandler(_decoder)); // FDIVP ST(i), ST (DE F8-FF)
// DF opcode handlers (memory operations)
_handlers.Add(new FloatingPoint.LoadStore.FildInt16Handler(_decoder)); // FILD int16 (DF /0)