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核心低版本C#修改

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This commit is contained in:
sin365 2024-08-15 13:19:43 +08:00
parent 51336a4976
commit 45f904172d
30 changed files with 975 additions and 596 deletions
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532
Assets/Iris/Iris.CPU/ARM_Interpreter.cs
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45
Assets/Iris/Iris.CPU/CPU_Core.cs
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@ -1,7 +1,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Iris.CPU
{
@ -93,17 +93,43 @@ namespace Iris.CPU
N = 31
}
internal unsafe readonly struct InstructionListEntry<T>(T mask, T expected, delegate*<CPU_Core, T, UInt64> handler, List<Model> modelList)
//internal unsafe readonly struct InstructionListEntry1<T>(T mask, T expected, delegate*<CPU_Core, T, UInt64> handler, List<Model> modelList)
//{
// internal readonly T _mask = mask;
// internal readonly T _expected = expected;
// internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler = handler;
// internal readonly List<Model> _modelList = modelList;
//}
internal unsafe readonly struct InstructionListEntry<T>
{
internal readonly T _mask = mask;
internal readonly T _expected = expected;
internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler = handler;
internal readonly List<Model> _modelList = modelList;
internal InstructionListEntry(T mask, T expected, delegate*<CPU_Core, T, UInt64> handler, List<Model> modelList)
{
_mask = mask;
_expected = expected;
_handler = handler;
_modelList = modelList;
}
internal readonly T _mask;
internal readonly T _expected;
internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler;
internal readonly List<Model> _modelList;
}
internal unsafe readonly struct InstructionLUTEntry<T>(delegate*<CPU_Core, T, UInt64> handler)
//internal unsafe readonly struct InstructionLUTEntry<T>(delegate*<CPU_Core, T, UInt64> handler)
//{
// internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler = handler;
//}
internal unsafe readonly struct InstructionLUTEntry<T>
{
internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler = handler;
internal InstructionLUTEntry(delegate*<CPU_Core, T, UInt64> handler)
{
_handler = handler;
}
internal unsafe readonly delegate*<CPU_Core, T, UInt64> _handler;
}
internal const UInt32 ModeMask = 0b1_1111;
@ -307,10 +333,9 @@ namespace Iris.CPU
UInt32 newMode = value & ModeMask;
CPSR = value | 0b1_0000;
if (previousMode != newMode)
{
ref UInt32 regDataRef = ref MemoryMarshal.GetArrayDataReference(Reg);
ref UInt32 regDataRef = ref MyUnSafeCommon.GetArrayDataReference(Reg);
ref UInt32 reg8 = ref Unsafe.Add(ref regDataRef, 8);
ref UInt32 reg9 = ref Unsafe.Add(ref regDataRef, 9);
ref UInt32 reg10 = ref Unsafe.Add(ref regDataRef, 10);

564
Assets/Iris/Iris.CPU/THUMB_Interpreter.cs
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File diff suppressed because it is too large Load Diff

28
Assets/Iris/Iris.Common/Scheduler.cs
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@ -1,13 +1,20 @@
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Iris.Common
{
public sealed class Scheduler(int taskListSize, int scheduledTaskListSize)
public sealed class Scheduler
{
public Scheduler(int taskListSize, int scheduledTaskListSize)
{
_taskList = new Task_Delegate[taskListSize];
_scheduledTaskList = new ScheduledTaskListEntry[scheduledTaskListSize];
}
public delegate void Task_Delegate(UInt64 cycleCountDelay);
private readonly Task_Delegate[] _taskList = new Task_Delegate[taskListSize];
private readonly Task_Delegate[] _taskList;
//private readonly Task_Delegate[] _taskList = new Task_Delegate[taskListSize];
private struct ScheduledTaskListEntry
{
@ -15,7 +22,7 @@ namespace Iris.Common
internal UInt64 _cycleCount;
}
private readonly ScheduledTaskListEntry[] _scheduledTaskList = new ScheduledTaskListEntry[scheduledTaskListSize]; // sorted by _cycleCount from smallest to largest
private readonly ScheduledTaskListEntry[] _scheduledTaskList; // sorted by _cycleCount from smallest to largest
private int _scheduledTaskCount;
private UInt64 _cycleCounter;
@ -60,9 +67,14 @@ namespace Iris.Common
{
_cycleCounter += cycleCount;
// process tasks
ref readonly ScheduledTaskListEntry firstEntry = ref MemoryMarshal.GetArrayDataReference(_scheduledTaskList);
ref Task_Delegate taskListDataRef = ref MemoryMarshal.GetArrayDataReference(_taskList);
//ref readonly ScheduledTaskListEntry firstEntry = ref UnSafeCommon.GetArrayDataReference(_scheduledTaskList);
//ref Task_Delegate taskListDataRef = ref UnSafeCommon.GetArrayDataReference(_taskList);
ref readonly ScheduledTaskListEntry firstEntry = ref MyUnSafeCommon.GetArrayDataReference(_scheduledTaskList);
ref Task_Delegate taskListDataRef = ref MyUnSafeCommon.GetArrayDataReference(_taskList);
while ((_scheduledTaskCount > 0) && (firstEntry._cycleCount <= _cycleCounter))
{
@ -93,7 +105,8 @@ namespace Iris.Common
// get the position and reference of the new task
// (searching is done backward because a new task is more likely to be inserted towards the end)
int index = _scheduledTaskCount;
ref ScheduledTaskListEntry entry = ref Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_scheduledTaskList), _scheduledTaskCount - 1);
//ref ScheduledTaskListEntry entry = ref Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_scheduledTaskList), _scheduledTaskCount - 1);
ref ScheduledTaskListEntry entry = ref Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_scheduledTaskList), _scheduledTaskCount - 1);
while ((index > 0) && (entry._cycleCount > cycleCount))
{
@ -116,7 +129,8 @@ namespace Iris.Common
public void CancelTask(int id)
{
int index = 0;
ref ScheduledTaskListEntry entry = ref MemoryMarshal.GetArrayDataReference(_scheduledTaskList);
//ref ScheduledTaskListEntry entry = ref MyUnSafeCommon.GetArrayDataReference(_scheduledTaskList);
ref ScheduledTaskListEntry entry = ref MyUnSafeCommon.GetArrayDataReference(_scheduledTaskList);
while (index < _scheduledTaskCount)
{

5
Assets/Iris/Iris.Common/System.cs
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@ -1,4 +1,7 @@
namespace Iris.Common
using System;
using System.IO;
namespace Iris.Common
{
public abstract class System : IDisposable
{

4
Assets/Iris/Iris.GBA/BIOS.cs
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@ -1,4 +1,6 @@
using System.Runtime.InteropServices;
using System;
using System.IO;
using System.Runtime.InteropServices;
namespace Iris.GBA
{

5
Assets/Iris/Iris.GBA/Communication.cs
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@ -1,4 +1,7 @@
namespace Iris.GBA
using System;
using System.IO;
namespace Iris.GBA
{
internal sealed class Communication
{

16
Assets/Iris/Iris.GBA/DMA.cs
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@ -1,4 +1,6 @@
using System.Runtime.CompilerServices;
using System;
using System.IO;
using System.Runtime.CompilerServices;
namespace Iris.GBA
{
@ -414,10 +416,15 @@ namespace Iris.GBA
const int DataUnitSize = 2;
int sourceIncrement = GetSourceIncrement(DataUnitSize);
(int destinationIncrement, reloadDestination) = GetDestinationIncrement(DataUnitSize);
//(int destinationIncrement, reloadDestination) = GetDestinationIncrement(DataUnitSize);
var v2 = GetDestinationIncrement(DataUnitSize);
int destinationIncrement = v2.destinationIncrement;
reloadDestination = v2.reloadDestination;
for (; channel._length > 0; --channel._length)
{
//_memory.Write16(channel._destination, _memory.Read16(channel._source));
_memory.Write16(channel._destination, _memory.Read16(channel._source));
channel._source = (UInt32)(channel._source + sourceIncrement);
@ -433,7 +440,10 @@ namespace Iris.GBA
const int DataUnitSize = 4;
int sourceIncrement = GetSourceIncrement(DataUnitSize);
(int destinationIncrement, reloadDestination) = GetDestinationIncrement(DataUnitSize);
//(int destinationIncrement, reloadDestination) = GetDestinationIncrement(DataUnitSize);
var v2 = GetDestinationIncrement(DataUnitSize);
int destinationIncrement = v2.destinationIncrement;
reloadDestination = v2.reloadDestination;
for (; channel._length > 0; --channel._length)
{

4
Assets/Iris/Iris.GBA/GBA_System.cs
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@ -1,4 +1,6 @@
using System.Security.Cryptography;
using System;
using System.IO;
using System.Security.Cryptography;
namespace Iris.GBA
{

4
Assets/Iris/Iris.GBA/InterruptControl.cs
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@ -1,4 +1,6 @@
using System.Runtime.CompilerServices;
using System;
using System.IO;
using System.Runtime.CompilerServices;
namespace Iris.GBA
{

4
Assets/Iris/Iris.GBA/KeyInput.cs
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@ -1,4 +1,6 @@
using System.Runtime.CompilerServices;
using System;
using System.IO;
using System.Runtime.CompilerServices;
namespace Iris.GBA
{

17
Assets/Iris/Iris.GBA/Memory.cs
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@ -1,4 +1,7 @@
using System.Runtime.CompilerServices;
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Iris.GBA
@ -226,7 +229,7 @@ namespace Iris.GBA
{
address &= 0x0fff_ffff;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_read8PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_read8PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{
@ -507,7 +510,7 @@ namespace Iris.GBA
{
address &= 0x0fff_fffe;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_read16PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_read16PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{
@ -655,7 +658,7 @@ namespace Iris.GBA
{
address &= 0x0fff_fffc;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_read32PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_read32PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{
@ -778,7 +781,7 @@ namespace Iris.GBA
{
address &= 0x0fff_ffff;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_write8PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_write8PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{
@ -1499,7 +1502,7 @@ namespace Iris.GBA
{
address &= 0x0fff_fffe;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_write16PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_write16PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{
@ -1883,7 +1886,7 @@ namespace Iris.GBA
{
address &= 0x0fff_fffc;
IntPtr page = Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(_write32PageTable), address >> 10);
IntPtr page = Unsafe.Add(ref MyUnSafeCommon.GetArrayDataReference(_write32PageTable), (int)(address >> 10));
if (page != IntPtr.Zero)
{

5
Assets/Iris/Iris.GBA/Sound.cs
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@ -1,4 +1,7 @@
namespace Iris.GBA
using System;
using System.IO;
namespace Iris.GBA
{
internal sealed class Sound
{

5
Assets/Iris/Iris.GBA/SystemControl.cs
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@ -1,4 +1,7 @@
namespace Iris.GBA
using System;
using System.IO;
namespace Iris.GBA
{
internal sealed class SystemControl
{

56
Assets/Iris/Iris.GBA/Timer.cs
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@ -1,4 +1,7 @@
using System.Runtime.CompilerServices;
using System;
using System.IO;
using System.Runtime.CompilerServices;
using static UnityEditor.Experimental.AssetDatabaseExperimental.AssetDatabaseCounters;
namespace Iris.GBA
{
@ -23,17 +26,43 @@ namespace Iris.GBA
private InterruptControl _interruptControl;
private struct Channel(GBA_System.TaskId startTaskId, GBA_System.TaskId handleOverflowTaskId, InterruptControl.Interrupt interrupt)
//private struct Channel(GBA_System.TaskId startTaskId, GBA_System.TaskId handleOverflowTaskId, InterruptControl.Interrupt interrupt)
//{
// internal UInt16 _counter;
// internal UInt16 _reload;
// internal UInt16 _control;
// internal UInt64 _cycleCount; // only used in non-cascading mode
// internal bool _running;
// internal readonly GBA_System.TaskId _startTaskId = startTaskId;
// internal readonly GBA_System.TaskId _handleOverflowTaskId = handleOverflowTaskId;
// internal readonly InterruptControl.Interrupt _interrupt = interrupt;
//}
private struct Channel
{
internal Channel(GBA_System.TaskId startTaskId, GBA_System.TaskId handleOverflowTaskId, InterruptControl.Interrupt interrupt)
{
_startTaskId = startTaskId;
_handleOverflowTaskId = handleOverflowTaskId;
_interrupt = interrupt;
_counter = 0;
_reload = 0;
_control = 0;
_cycleCount = 0;
_running = false;
}
internal UInt16 _counter;
internal UInt16 _reload;
internal UInt16 _control;
internal UInt64 _cycleCount; // only used in non-cascading mode
internal bool _running;
internal readonly GBA_System.TaskId _startTaskId = startTaskId;
internal readonly GBA_System.TaskId _handleOverflowTaskId = handleOverflowTaskId;
internal readonly InterruptControl.Interrupt _interrupt = interrupt;
internal readonly GBA_System.TaskId _startTaskId;
internal readonly GBA_System.TaskId _handleOverflowTaskId;
internal readonly InterruptControl.Interrupt _interrupt;
}
private readonly Channel[] _channels;
@ -42,13 +71,13 @@ namespace Iris.GBA
{
_scheduler = scheduler;
_channels =
[
new(GBA_System.TaskId.StartTimer_Channel0, GBA_System.TaskId.HandleTimerOverflow_Channel0, InterruptControl.Interrupt.Timer0),
new(GBA_System.TaskId.StartTimer_Channel1, GBA_System.TaskId.HandleTimerOverflow_Channel1, InterruptControl.Interrupt.Timer1),
new(GBA_System.TaskId.StartTimer_Channel2, GBA_System.TaskId.HandleTimerOverflow_Channel2, InterruptControl.Interrupt.Timer2),
new(GBA_System.TaskId.StartTimer_Channel3, GBA_System.TaskId.HandleTimerOverflow_Channel3, InterruptControl.Interrupt.Timer3)
];
_channels = new Channel[]
{
new Channel(GBA_System.TaskId.StartTimer_Channel0, GBA_System.TaskId.HandleTimerOverflow_Channel0, InterruptControl.Interrupt.Timer0),
new Channel(GBA_System.TaskId.StartTimer_Channel1, GBA_System.TaskId.HandleTimerOverflow_Channel1, InterruptControl.Interrupt.Timer1),
new Channel(GBA_System.TaskId.StartTimer_Channel2, GBA_System.TaskId.HandleTimerOverflow_Channel2, InterruptControl.Interrupt.Timer2),
new Channel(GBA_System.TaskId.StartTimer_Channel3, GBA_System.TaskId.HandleTimerOverflow_Channel3, InterruptControl.Interrupt.Timer3)
};
for (int channelIndex = 0; channelIndex < 4; ++channelIndex)
{
@ -333,7 +362,8 @@ namespace Iris.GBA
}
}
private static UInt64 ComputeCycleCountUntilOverflow(ref readonly Channel channel)
//private static UInt64 ComputeCycleCountUntilOverflow(ref readonly Channel channel)
private static UInt64 ComputeCycleCountUntilOverflow(ref Channel channel)
{
return (0x1_0000u - channel._counter) * GetPrescaler(channel._control);
}

21
Assets/Iris/Iris.GBA/Video.cs
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@ -1,4 +1,6 @@
using System.Runtime.CompilerServices;
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Iris.GBA
@ -265,7 +267,7 @@ namespace Iris.GBA
_scheduler.ScheduleTask((int)GBA_System.TaskId.StartHBlank, HDrawCycleCount);
Array.Clear(_displayFrameBuffer);
Array.Clear(_displayFrameBuffer,0, _displayFrameBuffer.Length);
_currentBG2X = 0;
_currentBG2Y = 0;
@ -674,7 +676,8 @@ namespace Iris.GBA
_dma.PerformVideoTransfer(false);
_presentFrameCallback(_displayFrameBuffer);
Array.Clear(_displayFrameBuffer);
//Array.Clear(_displayFrameBuffer);
Array.Clear(_displayFrameBuffer,0, _displayFrameBuffer.Length);
_currentBG2X = ((_BG2X_H << 20) | (_BG2X_L << 4)) >> 4;
_currentBG2Y = ((_BG2Y_H << 20) | (_BG2Y_L << 4)) >> 4;
@ -859,7 +862,7 @@ namespace Iris.GBA
{
if ((_DISPCNT & 0x0400) == 0x0400)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int pixelNumberBegin = _VCOUNT * DisplayScreenWidth;
int pixelNumberEnd = pixelNumberBegin + DisplayScreenWidth;
@ -886,7 +889,7 @@ namespace Iris.GBA
{
if ((_DISPCNT & 0x0400) == 0x0400)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int pixelNumberBegin = _VCOUNT * DisplayScreenWidth;
int pixelNumberEnd = pixelNumberBegin + DisplayScreenWidth;
@ -921,7 +924,7 @@ namespace Iris.GBA
if (_VCOUNT < VRAM_FrameBufferHeight)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int vramPixelNumberBegin = _VCOUNT * VRAM_FrameBufferWidth;
int vramPixelNumberEnd = vramPixelNumberBegin + VRAM_FrameBufferWidth;
@ -950,7 +953,7 @@ namespace Iris.GBA
private void RenderTextBackground(UInt16 cnt, UInt16 hofs, UInt16 vofs, bool isFirst)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int displayPixelNumberBegin = _VCOUNT * DisplayScreenWidth;
@ -1068,7 +1071,7 @@ namespace Iris.GBA
private void RenderRotationScalingBackground(UInt16 cnt, Int32 x, Int32 y, UInt16 pa, UInt16 pc, bool isFirst)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int displayPixelNumberBegin = _VCOUNT * DisplayScreenWidth;
@ -1144,7 +1147,7 @@ namespace Iris.GBA
private void RenderObjects(UInt16 bgPriority)
{
ref UInt16 displayFrameBufferDataRef = ref MemoryMarshal.GetArrayDataReference(_displayFrameBuffer);
ref UInt16 displayFrameBufferDataRef = ref MyUnSafeCommon.GetArrayDataReference(_displayFrameBuffer);
int displayPixelNumberBegin = _VCOUNT * DisplayScreenWidth;

4
Assets/Iris/Iris.NDS/BIOS.cs
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@ -1,4 +1,6 @@
namespace Iris.NDS
using System;
namespace Iris.NDS
{
public sealed partial class NDS_System
{

5
Assets/Iris/Iris.NDS/Memory.cs
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@ -1,4 +1,7 @@
namespace Iris.NDS
using System;
using System.IO;
namespace Iris.NDS
{
public sealed partial class NDS_System
{

5
Assets/Iris/Iris.NDS/NDS_System.cs
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@ -1,4 +1,7 @@
namespace Iris.NDS
using System;
using System.IO;
namespace Iris.NDS
{
public sealed partial class NDS_System : Common.System
{

91
Assets/MyUnSafeCommon.cs Normal file
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@ -0,0 +1,91 @@
using System;
public static class MyUnSafeCommon
{
public static ref T GetArrayDataReference<T>(T[] array)
{
if (array == null) throw new ArgumentNullException(nameof(array));
if (array.Length == 0) throw new ArgumentException("Array cannot be empty", nameof(array));
return ref array[0];
}
//public unsafe static ref T GetArrayDataReference<T>(T[] array) where T : struct
//{
// fixed (T* ptr = array)
// {
// return ref ArrayElementAsRef<T>(ptr, 0);
// }
//}
//public unsafe static ref T ArrayElementAsRef<T>(void* ptr, int index) where T : struct
//{
// return ref Unity.Collections.LowLevel.Unsafe.UnsafeUtility.ArrayElementAsRef<T>(ptr, index);
//}
}
public static class MyBitOperations
{
// 计算一个整数的位计数（也称为汉明重量）
public static int PopCount(uint value)
{
int count = 0;
while (value != 0)
{
value &= value - 1; // 清除最低位的1
count++;
}
return count;
}
// 如果需要处理long或int等其他类型，可以添加重载
public static int PopCount(int value)
{
return PopCount((uint)value); // 对于int，简单地将其视为无符号的uint来处理
}
// 对于long，你可能需要更复杂的处理或额外的迭代，但基本思想相同
public static int PopCount(long value)
{
int count = 0;
value = value - ((value >> 1) & 0x5555555555555555L); // 每两位一组求和
value = (value & 0x3333333333333333L) + ((value >> 2) & 0x3333333333333333L); // 每四位一组求和
value = (value + (value >> 4)) & 0x0f0f0f0f0f0f0f0fL; // 每八位一组求和
count = (int)((value * 0x0101010101010101L) >> 56); // 计算总和
return count;
}
// 向右旋转指定数量的位（等效于BitOperations.RotateRight）
public static uint RotateRight(uint value, int count)
{
// 确保旋转位数在有效范围内（对于uint，0到31）
count &= 31;
// 使用位移和位或操作来实现旋转
// 先右移count位
uint rightShifted = value >> count;
// 然后左移(32 - count)位，并将结果与右移的结果进行位或操作
// 注意：由于uint是无符号的，所以左移不会导致符号扩展
uint leftShifted = (value << (32 - count)) & 0xFFFFFFFF; // 实际上，对于uint，& 0xFFFFFFFF是多余的，但在这里为了清晰性而保留
// 组合结果
return rightShifted | leftShifted;
}
// 如果需要处理ulong，可以添加类似的重载
public static ulong RotateRight(ulong value, int count)
{
// 确保旋转位数在有效范围内（对于ulong，0到63）
count &= 63;
// 使用位移和位或操作来实现旋转
// 注意：ulong需要64位操作
ulong rightShifted = value >> count;
ulong leftShifted = (value << (64 - count)) & 0xFFFFFFFFFFFFFFFF; // 同样，对于ulong，& 0xFFFFFFFFFFFFFFFF是多余的，但保留以增加清晰性
// 组合结果
return rightShifted | leftShifted;
}
}

11
Assets/MyUnSafeCommon.cs.meta Normal file
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