Ryujinx/ChocolArm64/Decoders/OpCodeAluImm64.cs
Alex Barney 9cb57fb4bb Adjust naming conventions for Ryujinx and ChocolArm64 projects (#484)
* Change naming convention for Ryujinx project

* Change naming convention for ChocolArm64 project

* Fix NaN

* Remove unneeded this. from Ryujinx project

* Adjust naming from new PRs

* Name changes based on feedback

* How did this get removed?

* Rebasing fix

* Change FP enum case

* Remove prefix from ChocolArm64 classes - Part 1

* Remove prefix from ChocolArm64 classes - Part 2

* Fix alignment from last commit's renaming

* Rename namespaces

* Rename stragglers

* Fix alignment

* Rename OpCode class

* Missed a few

* Adjust alignment
2018-10-30 22:43:02 -03:00

39 lines
948 B
C#

using ChocolArm64.Instructions;
using System;
namespace ChocolArm64.Decoders
{
class OpCodeAluImm64 : OpCodeAlu64, IOpCodeAluImm64
{
public long Imm { get; private set; }
public OpCodeAluImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
{
if (DataOp == DataOp.Arithmetic)
{
Imm = (opCode >> 10) & 0xfff;
int shift = (opCode >> 22) & 3;
Imm <<= shift * 12;
}
else if (DataOp == DataOp.Logical)
{
var bm = DecoderHelper.DecodeBitMask(opCode, true);
if (bm.IsUndefined)
{
Emitter = InstEmit.Und;
return;
}
Imm = bm.WMask;
}
else
{
throw new ArgumentException(nameof(opCode));
}
}
}
}