From f49f7fef00a64b80a97c485aecc212607644f292 Mon Sep 17 00:00:00 2001 From: sin365 <353374337@qq.com> Date: Thu, 13 Nov 2025 14:02:26 +0800 Subject: [PATCH] =?UTF-8?q?MAME:=20List=20=E6=94=B9=E4=B8=BA?= =?UTF-8?q?=E4=BA=86=E7=AD=89=E6=95=88=E7=9A=84=E7=B4=A7=E5=87=91emu=5Ftim?= =?UTF-8?q?er=E6=95=B0=E7=BB=84=E5=AE=9E=E7=8E=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Assets/Plugins/Mame.Core/emu/EmuTimer.cs | 324 +++++++++++++----- 1 file changed, 247 insertions(+), 77 deletions(-) diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/EmuTimer.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/EmuTimer.cs index b30758c6..0983e1dc 100644 --- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/EmuTimer.cs +++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/EmuTimer.cs @@ -1,85 +1,252 @@ using cpu.m6800; using System; using System.Collections.Generic; +using System.Runtime.CompilerServices; using static MAME.Core.EmuTimer; namespace MAME.Core { + //public class EmuTimerLister + //{ + // List timerlist; + // public int Count = 0; + // //缓存首个元素 + // public emu_timer _frist_Timer; + // public emu_timer this[int index] + // { + // get { return timerlist[index]; } + // //set { timerlist[index] = value; } //不需要set + // } + // public static void GetNewTimerLister(ref EmuTimerLister tlistObj) + // { + // //如果新旧值替换 + // if (tlistObj != null) + // { + // tlistObj.ReleaseLister(); + // ObjectPoolAuto.Release(tlistObj); + // tlistObj = null; + // } + // tlistObj = ObjectPoolAuto.Acquire(); + // tlistObj.InitLister(); + // } + // void InitLister() + // { + // ReleaseLister(); + // //对象池产生list + // timerlist = ObjectPoolAuto.AcquireList(); + // Count = 0; + // _frist_Timer = null; + // } + // void ReleaseLister() + // { + // if (timerlist != null) + // { + // Clear(); + // //对象池回收 + // ObjectPoolAuto.Release(timerlist); + // timerlist = null; + // } + // } + // public List GetSnapshotList() + // { + // return timerlist; + // } + // public void Clear() + // { + // //遍历所有timer减少引用计数后Clear + // for (int i = 0; i < Count; i++) + // timerlist[i].ReleaseRef();//timer引用计数-1 + // timerlist.Clear(); + // Count = 0; + // _frist_Timer = null; + // } + + // [MethodImpl(MethodImplOptions.AggressiveInlining)] + // public void Add(emu_timer timer) + // { + // timerlist.Add(timer); + // timer.AddRef();//timer引用计数+1 + // Count++; + // if (Count == 0) + // _frist_Timer = timer; + // } + + // [MethodImpl(MethodImplOptions.AggressiveInlining)] + // public void Remove(emu_timer timer) + // { + // timerlist.Remove(timer); + // timer.ReleaseRef();//timer引用计数-1 + // Count--; + // if(Count == 0) + // _frist_Timer = null; + // else if(timer == _frist_Timer) + // _frist_Timer = timerlist[0]; + // } + + // [MethodImpl(MethodImplOptions.AggressiveInlining)] + // public void Insert(int index, emu_timer timer) + // { + // timerlist.Insert(index, timer); + // timer.AddRef();//timer引用计数+1 + // Count++; + // if (index == 0) + // _frist_Timer = timer; + // } + + // [MethodImpl(MethodImplOptions.AggressiveInlining)] + // public void RemoveAt(int index) + // { + // timerlist[index].ReleaseRef();//timer引用计数-1 + // timerlist.RemoveAt(index); + // Count--; + // if (index == 0) + // { + // if (Count == 0) + // _frist_Timer = null; + // else + // _frist_Timer = timerlist[0]; + // } + // } + // //不考虑且禁止使用 IndexOf这种低效的使用方式 + // //public int IndexOf(emu_timer timer) + // //{ + // // return timerlist.IndexOf(timer); + // //} + //} + public class EmuTimerLister { - public emu_timer this[int index] + private emu_timer[] timerArray; + private int capacity; + public int Count; + public emu_timer _frist_Timer; + + public EmuTimerLister() { - get { return timerlist[index]; } - set { timerlist[index] = value; } // 如果需要设置的话 + capacity = 32; + timerArray = new emu_timer[capacity]; + Count = 0; + _frist_Timer = null; } + public static void GetNewTimerLister(ref EmuTimerLister tlistObj) { - //如果新旧值替换 if (tlistObj != null) { tlistObj.ReleaseLister(); - ObjectPoolAuto.Release(tlistObj); tlistObj = null; } - - tlistObj = ObjectPoolAuto.Acquire(); + tlistObj = new EmuTimerLister(); tlistObj.InitLister(); } - List timerlist; - - public List GetSrcList() - { - return timerlist; - } - public int Count - { - get { return timerlist.Count; } - } - - void InitLister() + public void InitLister() { ReleaseLister(); - timerlist = ObjectPoolAuto.AcquireList(); + capacity = 16; + timerArray = new emu_timer[capacity]; + Count = 0; + _frist_Timer = null; } - void ReleaseLister() + + public void ReleaseLister() { - if (timerlist != null) + if (timerArray != null) { Clear(); - ObjectPoolAuto.Release(timerlist); - timerlist = null; + timerArray = null; } } + public List GetSnapshotList() + { + var list = new List(Count); + for (int i = 0; i < Count; i++) + { + list.Add(timerArray[i]); + } + return list; + } + public void Clear() { - emu_timer.ClearList(ref timerlist); + for (int i = 0; i < Count; i++) + { + timerArray[i] = null; + timerArray[i].ReleaseRef(); + } + Count = 0; + _frist_Timer = null; } + + public emu_timer this[int index] => timerArray[index]; + + [MethodImpl(MethodImplOptions.AggressiveInlining)] + private void EnsureCapacity() + { + if (Count >= capacity) + { + capacity *= 2; + Array.Resize(ref timerArray, capacity); + } + } + + [MethodImpl(MethodImplOptions.AggressiveInlining)] public void Add(emu_timer timer) { - emu_timer.AddList(ref timerlist, ref timer); + EnsureCapacity(); + timerArray[Count] = timer; + timer.AddRef(); + if (Count == 0) + _frist_Timer = timer; + Count++; } + + [MethodImpl(MethodImplOptions.AggressiveInlining)] public void Remove(emu_timer timer) { - emu_timer.RemoveToList(ref timerlist, ref timer); + for (int i = 0; i < Count; i++) + { + if (timerArray[i] == timer) + { + RemoveAt(i); + return; + } + } } + + [MethodImpl(MethodImplOptions.AggressiveInlining)] public void Insert(int index, emu_timer timer) { - emu_timer.InsertToList(ref timerlist, index, ref timer); - } - - public int IndexOf(emu_timer timer) - { - return timerlist.IndexOf(timer); + EnsureCapacity(); + if (index < Count) + { + Array.Copy(timerArray, index, timerArray, index + 1, Count - index); + } + timerArray[index] = timer; + timer.AddRef(); + Count++; + if (index == 0) + _frist_Timer = timer; } + [MethodImpl(MethodImplOptions.AggressiveInlining)] public void RemoveAt(int index) { - emu_timer.RemoveAtToList(ref timerlist, index); + emu_timer timer = timerArray[index]; + timer.ReleaseRef(); + if (index < Count - 1) + { + Array.Copy(timerArray, index + 1, timerArray, index, Count - index - 1); + } + timerArray[Count - 1] = null; + Count--; + if (Count == 0) + _frist_Timer = null; + else if (index == 0) + _frist_Timer = timerArray[0]; } } - public class EmuTimer { public static EmuTimerLister lt; @@ -181,7 +348,7 @@ namespace MAME.Core /// /// 增加引用计数 /// - void AddRef() + public void AddRef() { //int newCount = Interlocked.Increment(ref _refCount); _refCount++; @@ -190,7 +357,7 @@ namespace MAME.Core /// /// 减少引用计数，当计数为0时释放对象回池 /// - void ReleaseRef() + public void ReleaseRef() { //int newCount = Interlocked.Decrement(ref _refCount); _refCount--; @@ -245,32 +412,31 @@ namespace MAME.Core timer = null; } } - public static void AddList(ref List list, ref emu_timer timer) - { - list.Add(timer); - timer.AddRef(); - } - internal static void InsertToList(ref List list, int index, ref emu_timer timer) - { - list.Insert(index, timer); - timer.AddRef(); - } - public static void RemoveToList(ref List list, ref emu_timer timer) - { - list.Remove(timer); - timer.ReleaseRef(); - } - internal static void ClearList(ref List list) - { - for (int i = 0; i < list.Count; i++) - list[i].ReleaseRef(); - list.Clear(); - } - - internal static void RemoveAtToList(ref List list, int index) - { - list.RemoveAt(index); - } + //public static void AddList(ref List list, ref emu_timer timer) + //{ + // list.Add(timer); + // timer.AddRef(); + //} + //internal static void InsertToList(ref List list, int index, ref emu_timer timer) + //{ + // list.Insert(index, timer); + // timer.AddRef(); + //} + //public static void RemoveToList(ref List list, ref emu_timer timer) + //{ + // list.Remove(timer); + // timer.ReleaseRef(); + //} + //internal static void ClearList(ref List list) + //{ + // for (int i = 0; i < list.Count; i++) + // list[i].ReleaseRef(); + // list.Clear(); + //} + //internal static void RemoveAtToList(ref List list, int index) + //{ + // list.RemoveAt(index); + //} #endregion /* static void EnqueueObj(emu_timer obj) @@ -720,7 +886,8 @@ namespace MAME.Core //timer_list_insert(which); //if (lt.IndexOf(which) == 0) - if (lt[0] == which) + //if (lt[0] == which) + if (lt._frist_Timer == which) { if (Cpuexec.activecpu >= 0 && Cpuexec.activecpu < Cpuexec.ncpu) { @@ -952,9 +1119,9 @@ namespace MAME.Core { TIME_ACT currAct = timer1.action; int i1 = -1; - var tlist = lt.GetSrcList(); + //var tlist = lt.GetSnapshotList(); int scanCount; - int tempMaxIdx = tlist.Count - 1; + int tempMaxIdx = lt.Count - 1; if (currAct == TIME_ACT.Cpuint_cpunum_empty_event_queue || currAct == TIME_ACT.setvector) { //foreach (emu_timer et in lt) @@ -969,7 +1136,7 @@ namespace MAME.Core scanCount = 0; while (scanCount >= tempMaxIdx) { - emu_timer et = tlist[scanCount]; + emu_timer et = lt[scanCount]; if (et.action == currAct && Attotime.attotime_compare(et.expire, global_basetime) <= 0) { i1 = scanCount; @@ -984,7 +1151,7 @@ namespace MAME.Core scanCount = 0; while (scanCount <= tempMaxIdx) { - emu_timer et = tlist[scanCount]; + emu_timer et = lt[scanCount]; if (Attotime.attotime_compare(et.expire, expire) > 0) break; scanCount++; @@ -1052,11 +1219,11 @@ namespace MAME.Core //foreach (emu_timer et1 in timer_list_remove_lt1) // lt.Remove(et1); - var tlist = lt.GetSrcList(); - int tempMaxIdx = tlist.Count - 1; + //var tlist = lt.GetSnapshotList(); + int tempMaxIdx = lt.Count - 1; while (tempMaxIdx >= 0) { - emu_timer et = tlist[tempMaxIdx]; + emu_timer et = lt[tempMaxIdx]; if (et.action == timer1.action && Attotime.attotime_compare(et.expire, timer1.expire) == 0) lt.Remove(et); tempMaxIdx--; @@ -1075,12 +1242,12 @@ namespace MAME.Core // } //} - var tlist = lt.GetSrcList(); - int tempMaxIdx = tlist.Count - 1; + //var tlist = lt.GetSnapshotList(); + int tempMaxIdx = lt.Count - 1; int scanCount = 0; while (scanCount <= tempMaxIdx) { - emu_timer et = tlist[scanCount]; + emu_timer et = lt[scanCount]; if (et.action == timer1.action) { lt.Remove(et); @@ -1128,10 +1295,13 @@ namespace MAME.Core { emu_timer timer; global_basetime = newbase; - while (Attotime.attotime_compare(lt[0].expire, global_basetime) <= 0) + //while (Attotime.attotime_compare(lt[0].expire, global_basetime) <= 0) + while (Attotime.attotime_compare(lt._frist_Timer.expire, global_basetime) <= 0) { - bool was_enabled = lt[0].enabled; - timer = lt[0]; + //bool was_enabled = lt[0].enabled; + bool was_enabled = lt._frist_Timer.enabled; + //timer = lt[0]; + timer = lt._frist_Timer; if (Attotime.attotime_compare(timer.period, Attotime.ATTOTIME_ZERO) == 0 || Attotime.attotime_compare(timer.period, Attotime.ATTOTIME_NEVER) == 0) { timer.enabled = false;