Gets or sets a value which is added to the opcode byte.

Namespace: SharpAssembler.x86
Assembly: SharpAssembler x86-64 (in SharpAssembler x86-64.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C#
public byte OpcodeReg { get; set; }

Visual Basic
Public Property OpcodeReg As Byte Get Set

Visual C++
public: property unsigned char OpcodeReg { unsigned char get (); void set (unsigned char value); }

The 4-bit opcode REG value. The default is 0.

Remarks

The least significant three bits are encoded by OR-ing them with the last opcode byte, while the fourth bit is encoded in the REX.B bit.

Exception	Condition
System..::..ArgumentOutOfRangeException	value > 0x0F

Ensures

Contract.Result<byte>() <= 0x0F

Description:

Only the first 4 bits may be set.

Requires

value <= 0x0F

Description:	Only the first 4 bits may be set.
Exception:	System..::..ArgumentOutOfRangeException