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优化virtuaNes核心的gc开销

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Alienjack 2025-10-16 16:52:14 +08:00
parent 0314647af0
commit ec41530a12
2 changed files with 8 additions and 8 deletions
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14
AxibugEmuOnline.Client/Assets/VirtualNes.Core/MMU.cs
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@ -5,11 +5,11 @@ namespace VirtualNes
public static class MMU
{
// CPU 儊儌儕僶儞僋
public static ArrayRef<byte>[] CPU_MEM_BANK = new ArrayRef<byte>[8]; // 8K扨埵
public static ArrayRef<byte>[] CPU_MEM_BANK = new ArrayRef<byte>[8] { new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>() }; // 8K扨埵
public static byte[] CPU_MEM_TYPE = new byte[8];
public static int[] CPU_MEM_PAGE = new int[8]; // 僗僥乕僩僙乕僽梡
// PPU 儊儌儕僶儞僋
public static ArrayRef<byte>[] PPU_MEM_BANK = new ArrayRef<byte>[12]; // 1K扨埵
public static ArrayRef<byte>[] PPU_MEM_BANK = new ArrayRef<byte>[12] { new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), new ArrayRef<byte>(), }; // 1K扨埵
public static byte[] PPU_MEM_TYPE = new byte[12];
public static int[] PPU_MEM_PAGE = new int[12]; // 僗僥乕僩僙乕僽梡
public static byte[] CRAM_USED = new byte[16]; // 僗僥乕僩僙乕僽梡
@ -72,7 +72,7 @@ namespace VirtualNes
internal static void SetPROM_Bank(byte page, byte[] ptr, byte type)
{
CPU_MEM_BANK[page] = new ArrayRef<byte>(ptr, 0, ptr.Length);
CPU_MEM_BANK[page].SetArray(ptr, 0, ptr.Length);
CPU_MEM_TYPE[page] = type;
CPU_MEM_PAGE[page] = 0;
}
@ -101,7 +101,7 @@ namespace VirtualNes
internal static void SetPROM_8K_Bank(byte page, int bank)
{
bank %= PROM_8K_SIZE;
CPU_MEM_BANK[page] = new ArrayRef<byte>(MMU.PROM, 0x2000 * bank, MMU.PROM.Length - 0x2000 * bank);
CPU_MEM_BANK[page].SetArray(MMU.PROM, 0x2000 * bank, MMU.PROM.Length - 0x2000 * bank);
CPU_MEM_TYPE[page] = BANKTYPE_ROM;
CPU_MEM_PAGE[page] = bank;
}
@ -139,7 +139,7 @@ namespace VirtualNes
internal static void SetVROM_1K_Bank(byte page, int bank)
{
bank %= VROM_1K_SIZE;
PPU_MEM_BANK[page] = new ArrayRef<byte>(VROM, 0x0400 * bank, VROM.Length - (0x0400 * bank));
PPU_MEM_BANK[page].SetArray(VROM, 0x0400 * bank, VROM.Length - (0x0400 * bank));
PPU_MEM_TYPE[page] = BANKTYPE_VROM;
PPU_MEM_PAGE[page] = bank;
}
@ -182,7 +182,7 @@ namespace VirtualNes
internal static void SetCRAM_1K_Bank(byte page, int bank)
{
bank &= 0x1F;
PPU_MEM_BANK[page] = new ArrayRef<byte>(MMU.CRAM, 0x0400 * bank, MMU.CRAM.Length - 0x0400 * bank);
PPU_MEM_BANK[page].SetArray(MMU.CRAM, 0x0400 * bank, MMU.CRAM.Length - 0x0400 * bank);
PPU_MEM_TYPE[page] = BANKTYPE_CRAM;
PPU_MEM_PAGE[page] = bank;
@ -214,7 +214,7 @@ namespace VirtualNes
internal static void SetVRAM_1K_Bank(byte page, int bank)
{
bank &= 3;
PPU_MEM_BANK[page] = new ArrayRef<byte>(VRAM, 0x0400 * bank, VRAM.Length - 0x0400 * bank);
PPU_MEM_BANK[page].SetArray(VRAM, 0x0400 * bank, VRAM.Length - 0x0400 * bank);
PPU_MEM_TYPE[page] = BANKTYPE_VRAM;
PPU_MEM_PAGE[page] = bank;
}

2
AxibugEmuOnline.Client/Assets/VirtualNes.Core/NES.cs
View File

@ -426,7 +426,7 @@ namespace VirtualNes.Core
// 僨僼僅儖僩僶儞僋愝掕
for (i = 0; i < 8; i++)
{
MMU.CPU_MEM_BANK[i] = null;
MMU.CPU_MEM_BANK[i] = new ArrayRef<byte>();
MMU.CPU_MEM_TYPE[i] = MMU.BANKTYPE_ROM;
MMU.CPU_MEM_PAGE[i] = 0;
}