From 43e7ba83320428df1727cc9f93f48e2146bbb3a4 Mon Sep 17 00:00:00 2001 From: "ALIENJACK\\alien" Date: Thu, 14 Nov 2024 11:17:17 +0800 Subject: [PATCH] =?UTF-8?q?ppu=20lpScreen=E6=94=B9=E4=B8=BA=E6=8C=87?= =?UTF-8?q?=E9=92=88=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Assets/Script/NesEmulator/NesEmulator.cs | 4 +- .../Script/NesEmulator/VideoProvider.cs | 10 +- .../Assets/VirtualNes.Core/NES.cs | 6 +- .../Assets/VirtualNes.Core/PPU.cs | 514 +++++++++--------- 4 files changed, 259 insertions(+), 275 deletions(-) diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs index 7c41565..c329c7b 100644 --- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs +++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs @@ -51,7 +51,7 @@ namespace AxibugEmuOnline.Client NesCore = null; } - private void Update() + private unsafe void Update() { if (m_bPause) return; @@ -63,7 +63,7 @@ namespace AxibugEmuOnline.Client var screenBuffer = NesCore.ppu.GetScreenPtr(); var lineColorMode = NesCore.ppu.GetLineColorMode(); - VideoProvider.SetDrawData(screenBuffer, lineColorMode, 256, 240); + VideoProvider.SetDrawData(screenBuffer, lineColorMode, 277, 240); } } diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs index 1a92750..0462d4b 100644 --- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs +++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs @@ -24,15 +24,15 @@ namespace AxibugEmuOnline.Client DrawCanvas.worldCamera = Camera.main; } - public void SetDrawData(uint[] screenData, byte[] lineColorMode, int screenWidth, int screenHeight) + public unsafe void SetDrawData(byte* screenData, byte[] lineColorMode, int screenWidth, int screenHeight) { if (wrapTex == null) { //wrapTex = new Texture2D(272, 240, TextureFormat.BGRA32, false); wrapTex = new Texture2D(272, 240, TextureFormat.RGBA32, false); wrapTex.filterMode = FilterMode.Point; - wrapTexBuffer = screenData; + wrapTexBuffer = new uint[screenWidth * screenHeight]; // 固定数组，防止垃圾回收器移动它 GCHandle handle = GCHandle.Alloc(wrapTexBuffer, GCHandleType.Pinned); // 获取数组的指针 @@ -44,7 +44,6 @@ namespace AxibugEmuOnline.Client TexBufferSize = wrapTexBuffer.Length * 4; var palRaw = PaletteDefine.m_cnPalette[0]; - //pPal = new Texture2D(palRaw.Length, 1, TextureFormat.BGRA32, 1, true); pPal = new Texture2D(palRaw.Length, 1, TextureFormat.RGBA32, false); pPal.filterMode = FilterMode.Point; for (int i = 0; i < palRaw.Length; i++) @@ -62,6 +61,11 @@ namespace AxibugEmuOnline.Client Image.material.SetTexture("_PalTex", pPal); } + for (int i = 0; i < wrapTexBuffer.Length; i++) + { + wrapTexBuffer[i] = screenData[i]; + } + wrapTex.LoadRawTextureData(wrapTexBufferPointer, TexBufferSize); wrapTex.Apply(); } diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/NES.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/NES.cs index 6d3b719..0be9780 100644 --- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/NES.cs +++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/NES.cs @@ -221,7 +221,7 @@ namespace VirtualNes.Core Debuger.Log("Allocating PPU..."); ppu = new PPU(this); - var screenBuffer = new uint[PPU.SCREEN_WIDTH * PPU.SCREEN_HEIGHT]; + var screenBuffer = new byte[PPU.SCREEN_WIDTH * PPU.SCREEN_HEIGHT]; var colormode = new byte[PPU.SCREEN_HEIGHT]; ppu.SetScreenPtr(screenBuffer, colormode); @@ -840,7 +840,7 @@ namespace VirtualNes.Core } } - internal void DrawFont(int x, int y, byte chr, byte col) + internal unsafe void DrawFont(int x, int y, byte chr, byte col) { int i; int pFnt; @@ -866,7 +866,7 @@ namespace VirtualNes.Core } } - private void DrawBitmap(int x, int y, byte[] bitMap) + private unsafe void DrawBitmap(int x, int y, byte[] bitMap) { int i, j; int h, v; diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/PPU.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/PPU.cs index ab9fe05..d736264 100644 --- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/PPU.cs +++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/PPU.cs @@ -1,10 +1,24 @@ -锘縩amespace VirtualNes.Core +锘縰sing Codice.CM.Client.Differences; +using System; +using System.Runtime.CompilerServices; +using System.Runtime.InteropServices; +using UnityEngine.UIElements; + +namespace VirtualNes.Core { - public class PPU + public unsafe class PPU { - public const int SCREEN_WIDTH = 256 + 16; + public const int SCREEN_WIDTH = 272; public const int SCREEN_HEIGHT = 240; + private GCHandle BGwriteGCH; + private GCHandle BGmonoGCH; + private GCHandle SPwriteGCH; + + private byte* BGwrite; + private byte* BGmono; + private byte* SPwrite; + private static byte[][] CreateCOLORMAP() { byte[][] res = new byte[5][]; @@ -104,9 +118,10 @@ private ushort loopy_y; private ushort loopy_shift; - private uint[] lpScreen; + private GCHandle lpScreenGCH; + private byte* lpScreen; /// 浣滀负lpScreen鏁扮粍鐨勭储寮 - private int lpScanline; + private byte* lpScanline; private int ScanlineNo; private byte[] lpColormode; @@ -137,9 +152,22 @@ } Bit2Rev[i] = c; } + + BGwriteGCH = GCHandle.Alloc(new byte[33 + 1], GCHandleType.Pinned); + BGmonoGCH = GCHandle.Alloc(new byte[33 + 1], GCHandleType.Pinned); + SPwriteGCH = GCHandle.Alloc(new byte[33 + 1], GCHandleType.Pinned); + BGwrite = (byte*)BGwriteGCH.AddrOfPinnedObject(); + BGmono = (byte*)BGmonoGCH.AddrOfPinnedObject(); + SPwrite = (byte*)SPwriteGCH.AddrOfPinnedObject(); } - public void Dispose() { } + public void Dispose() + { + lpScreenGCH.Free(); + BGwriteGCH.Free(); + BGmonoGCH.Free(); + SPwriteGCH.Free(); + } internal byte Read(ushort addr) { @@ -199,7 +227,7 @@ ScanlineNo = scanline; if (scanline < 240) { - lpScanline = (SCREEN_WIDTH) * scanline; + lpScanline = lpScreen + SCREEN_WIDTH * scanline; } } @@ -358,7 +386,7 @@ loopy_shift = 0; if (lpScreen != null) - MemoryUtility.memset(lpScreen, 0, 0x3F, SCREEN_WIDTH * SCREEN_HEIGHT); + Unsafe.InitBlockUnaligned(lpScreen, 0, SCREEN_WIDTH * SCREEN_HEIGHT); if (lpColormode != null) MemoryUtility.memset(lpColormode, 0, SCREEN_HEIGHT); } @@ -374,7 +402,7 @@ if (lpScreen != null) { - MemoryUtility.memset(lpScreen, 0, 0x3F, SCREEN_WIDTH); + Unsafe.InitBlockUnaligned(lpScreen, 0x3F, SCREEN_WIDTH); } if (lpColormode != null) { @@ -425,18 +453,12 @@ } } - private byte[] BGwrite = new byte[33 + 1]; - private byte[] BGmono = new byte[33 + 1]; - private byte[] SPwrite = new byte[33 + 1]; - internal void Scanline(int scanline, bool bMax, bool bLeftClip) { - int pScn = 0; - int pBGw = 0; byte chr_h = 0, chr_l = 0, attr = 0; - MemoryUtility.ZEROMEMORY(BGwrite, BGwrite.Length); - MemoryUtility.ZEROMEMORY(BGmono, BGmono.Length); + Unsafe.InitBlockUnaligned(BGwrite, 0, 34); + Unsafe.InitBlockUnaligned(BGmono, 0, 34); // Linecolor mode lpColormode[scanline] = (byte)(((MMU.PPUREG[1] & PPU_BGCOLOR_BIT) >> 5) | ((MMU.PPUREG[1] & PPU_COLORMODE_BIT) << 7)); @@ -444,7 +466,7 @@ // Render BG if ((MMU.PPUREG[1] & PPU_BGDISP_BIT) == 0) { - MemoryUtility.memset(lpScreen, lpScanline, MMU.BGPAL[0], SCREEN_WIDTH); + Unsafe.InitBlockUnaligned(lpScanline, MMU.BGPAL[0], SCREEN_WIDTH); if (nes.GetRenderMethod() == EnumRenderMethod.TILE_RENDER) { nes.EmulationCPU(NES.FETCH_CYCLES * 4 * 32); @@ -457,9 +479,8 @@ if (!bExtLatch) { // Without Extension Latch - pScn = lpScanline + (8 - loopy_shift); - pBGw = 0; - + byte* pScn = lpScanline + (8 - loopy_shift); + byte* pBGw = BGwrite; int tileofs = (MMU.PPUREG[0] & PPU_BGTBL_BIT) << 8; int ntbladr = 0x2000 + (MMU.loopy_v & 0x0FFF); int attradr = 0x23C0 + (MMU.loopy_v & 0x0C00) + ((MMU.loopy_v & 0x0380) >> 4); @@ -475,7 +496,6 @@ attradr &= 0x3FF; - for (int i = 0; i < 33; i++) { tileadr = tileofs + pNTBL[ntbladr & 0x03FF] * 0x10 + loopy_y; @@ -483,17 +503,9 @@ if (cache_tile == tileadr && cache_attr == attr) { - lpScreen[pScn + 0] = lpScreen[pScn - 8]; - lpScreen[pScn + 0 + 1] = lpScreen[pScn - 8 + 1]; - lpScreen[pScn + 0 + 2] = lpScreen[pScn - 8 + 2]; - lpScreen[pScn + 0 + 3] = lpScreen[pScn - 8 + 3]; - - lpScreen[pScn + 4] = lpScreen[pScn - 4]; - lpScreen[pScn + 4 + 1] = lpScreen[pScn - 4 + 1]; - lpScreen[pScn + 4 + 2] = lpScreen[pScn - 4 + 2]; - lpScreen[pScn + 4 + 3] = lpScreen[pScn - 4 + 3]; - - BGwrite[pBGw + 0] = BGwrite[pBGw - 1]; + *(uint*)(pScn + 0) = *(uint*)(pScn - 8); + *(uint*)(pScn + 4) = *(uint*)(pScn - 4); + *(pBGw + 0) = *(pBGw - 1); } else { @@ -501,20 +513,20 @@ cache_attr = attr; chr_l = MMU.PPU_MEM_BANK[tileadr >> 10][tileadr & 0x03FF]; chr_h = MMU.PPU_MEM_BANK[tileadr >> 10][(tileadr & 0x03FF) + 8]; - BGwrite[pBGw] = (byte)(chr_h | chr_l); + *pBGw = (byte)(chr_h | chr_l); - int pBGPAL = attr; + fixed (byte* pBGPAL = &MMU.BGPAL[attr]) { int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - lpScreen[pScn + 0] = MMU.BGPAL[pBGPAL + (c1 >> 6)]; - lpScreen[pScn + 4] = MMU.BGPAL[pBGPAL + ((c1 >> 2) & 3)]; - lpScreen[pScn + 1] = MMU.BGPAL[pBGPAL + ((c1 >> 6))]; - lpScreen[pScn + 5] = MMU.BGPAL[pBGPAL + ((c2 >> 2) & 3)]; - lpScreen[pScn + 2] = MMU.BGPAL[pBGPAL + ((c1 >> 4) & 3)]; - lpScreen[pScn + 6] = MMU.BGPAL[pBGPAL + (c1 & 3)]; - lpScreen[pScn + 3] = MMU.BGPAL[pBGPAL + ((c2 >> 4) & 3)]; - lpScreen[pScn + 7] = MMU.BGPAL[pBGPAL + (c2 & 3)]; + pScn[0] = pBGPAL[(c1 >> 6)]; + pScn[4] = pBGPAL[(c1 >> 2) & 3]; + pScn[1] = pBGPAL[(c2 >> 6)]; + pScn[5] = pBGPAL[(c2 >> 2) & 3]; + pScn[2] = pBGPAL[(c1 >> 4) & 3]; + pScn[6] = pBGPAL[c1 & 3]; + pScn[3] = pBGPAL[(c2 >> 4) & 3]; + pScn[7] = pBGPAL[c2 & 3]; } } pScn += 8; @@ -542,8 +554,8 @@ else { // With Extension Latch(For MMC5) - pScn = lpScanline + (8 - loopy_shift); - pBGw = 0; + byte* pScn = lpScanline + (8 - loopy_shift); + byte* pBGw = BGwrite; int ntbladr = 0x2000 + (MMU.loopy_v & 0x0FFF); int ntbl_x = ntbladr & 0x1F; @@ -564,35 +576,27 @@ { cache_tile = ((chr_h << 8) + chr_l); cache_attr = attr; - BGwrite[pBGw] = (byte)(chr_h | chr_l); + *pBGw = (byte)(chr_h | chr_l); - int pBGPAL = attr; + fixed (byte* pBGPAL = &MMU.BGPAL[attr]) { int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - lpScreen[pScn + 0] = MMU.BGPAL[pBGPAL + (c1 >> 6)]; - lpScreen[pScn + 4] = MMU.BGPAL[pBGPAL + ((c1 >> 2) & 3)]; - lpScreen[pScn + 1] = MMU.BGPAL[pBGPAL + (c2 >> 6)]; - lpScreen[pScn + 5] = MMU.BGPAL[pBGPAL + ((c2 >> 2) & 3)]; - lpScreen[pScn + 2] = MMU.BGPAL[pBGPAL + ((c1 >> 4) & 3)]; - lpScreen[pScn + 6] = MMU.BGPAL[pBGPAL + (c1 & 3)]; - lpScreen[pScn + 3] = MMU.BGPAL[pBGPAL + ((c2 >> 4) & 3)]; - lpScreen[pScn + 7] = MMU.BGPAL[pBGPAL + (c2 & 3)]; + pScn[0] = pBGPAL[(c1 >> 6)]; + pScn[4] = pBGPAL[(c1 >> 2) & 3]; + pScn[1] = pBGPAL[(c2 >> 6)]; + pScn[5] = pBGPAL[(c2 >> 2) & 3]; + pScn[2] = pBGPAL[(c1 >> 4) & 3]; + pScn[6] = pBGPAL[c1 & 3]; + pScn[3] = pBGPAL[(c2 >> 4) & 3]; + pScn[7] = pBGPAL[c2 & 3]; } } else { - lpScreen[pScn + 0] = lpScreen[pScn - 8]; - lpScreen[pScn + 0 + 1] = lpScreen[pScn - 8 + 1]; - lpScreen[pScn + 0 + 2] = lpScreen[pScn - 8 + 2]; - lpScreen[pScn + 0 + 3] = lpScreen[pScn - 8 + 3]; - - lpScreen[pScn + 4] = lpScreen[pScn - 4]; - lpScreen[pScn + 4 + 1] = lpScreen[pScn - 4 + 1]; - lpScreen[pScn + 4 + 2] = lpScreen[pScn - 4 + 2]; - lpScreen[pScn + 4 + 3] = lpScreen[pScn - 4 + 3]; - - BGwrite[pBGw + 0] = BGwrite[pBGw - 1]; + *(uint*)(pScn + 0) = *(uint*)(pScn - 8); + *(uint*)(pScn + 4) = *(uint*)(pScn - 4); + *(pBGw + 0) = *(pBGw - 1); } pScn += 8; pBGw++; @@ -616,8 +620,8 @@ // Without Extension Latch if (!bExtNameTable) { - pScn = lpScanline + (8 - loopy_shift); - pBGw = 0; + byte* pScn = lpScanline + (8 - loopy_shift); + byte* pBGw = BGwrite; int ntbladr = 0x2000 + (MMU.loopy_v & 0x0FFF); int attradr = 0x03C0 + ((MMU.loopy_v & 0x0380) >> 4); @@ -649,35 +653,27 @@ chr_l = MMU.PPU_MEM_BANK[tileadr >> 10][tileadr & 0x03FF]; chr_h = MMU.PPU_MEM_BANK[tileadr >> 10][(tileadr & 0x03FF) + 8]; - lpScreen[pBGw] = (byte)(chr_l | chr_h); + *pBGw = (byte)(chr_l | chr_h); - int pBGPAL = attr; + fixed (byte* pBGPAL = &MMU.BGPAL[attr]) { int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - lpScreen[pScn + 0] = MMU.BGPAL[pBGPAL + (c1 >> 6)]; - lpScreen[pScn + 4] = MMU.BGPAL[pBGPAL + ((c1 >> 2) & 3)]; - lpScreen[pScn + 1] = MMU.BGPAL[pBGPAL + ((c2 >> 6))]; - lpScreen[pScn + 5] = MMU.BGPAL[pBGPAL + ((c2 >> 2) & 3)]; - lpScreen[pScn + 2] = MMU.BGPAL[pBGPAL + ((c1 >> 4) & 3)]; - lpScreen[pScn + 6] = MMU.BGPAL[pBGPAL + (c1 & 3)]; - lpScreen[pScn + 3] = MMU.BGPAL[pBGPAL + ((c2 >> 4) & 3)]; - lpScreen[pScn + 7] = MMU.BGPAL[pBGPAL + (c2 & 3)]; + pScn[0] = pBGPAL[(c1 >> 6)]; + pScn[4] = pBGPAL[(c1 >> 2) & 3]; + pScn[1] = pBGPAL[(c2 >> 6)]; + pScn[5] = pBGPAL[(c2 >> 2) & 3]; + pScn[2] = pBGPAL[(c1 >> 4) & 3]; + pScn[6] = pBGPAL[c1 & 3]; + pScn[3] = pBGPAL[(c2 >> 4) & 3]; + pScn[7] = pBGPAL[c2 & 3]; } } else { - lpScreen[pScn + 0] = lpScreen[pScn - 8]; - lpScreen[pScn + 0 + 1] = lpScreen[pScn - 8 + 1]; - lpScreen[pScn + 0 + 2] = lpScreen[pScn - 8 + 2]; - lpScreen[pScn + 0 + 3] = lpScreen[pScn - 8 + 3]; - - lpScreen[pScn + 4] = lpScreen[pScn - 4]; - lpScreen[pScn + 4 + 1] = lpScreen[pScn - 4 + 1]; - lpScreen[pScn + 4 + 2] = lpScreen[pScn - 4 + 2]; - lpScreen[pScn + 4 + 3] = lpScreen[pScn - 4 + 3]; - - BGwrite[pBGw + 0] = BGwrite[pBGw - 1]; + *(uint*)(pScn + 0) = *(uint*)(pScn - 8); + *(uint*)(pScn + 4) = *(uint*)(pScn - 4); + *(pBGw + 0) = *(pBGw - 1); } pScn += 8; pBGw++; @@ -703,8 +699,8 @@ } else { - pScn = lpScanline + (8 - loopy_shift); - pBGw = 0; + byte* pScn = lpScanline + (8 - loopy_shift); + byte* pBGw = BGwrite; int ntbladr; int tileadr; @@ -733,35 +729,27 @@ chr_l = MMU.PPU_MEM_BANK[tileadr >> 10][tileadr & 0x03FF]; chr_h = MMU.PPU_MEM_BANK[tileadr >> 10][(tileadr & 0x03FF) + 8]; - BGwrite[pBGw] = (byte)(chr_l | chr_h); + *pBGw = (byte)(chr_l | chr_h); - int pBGPAL = attr; + fixed (byte* pBGPAL = &MMU.BGPAL[attr]) { int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - lpScreen[pScn + 0] = MMU.BGPAL[pBGPAL + (c1 >> 6)]; - lpScreen[pScn + 4] = MMU.BGPAL[pBGPAL + ((c1 >> 2) & 3)]; - lpScreen[pScn + 1] = MMU.BGPAL[pBGPAL + (c2 >> 6)]; - lpScreen[pScn + 5] = MMU.BGPAL[pBGPAL + ((c2 >> 2) & 3)]; - lpScreen[pScn + 2] = MMU.BGPAL[pBGPAL + ((c1 >> 4) & 3)]; - lpScreen[pScn + 6] = MMU.BGPAL[pBGPAL + (c1 & 3)]; - lpScreen[pScn + 3] = MMU.BGPAL[pBGPAL + ((c2 >> 4) & 3)]; - lpScreen[pScn + 7] = MMU.BGPAL[pBGPAL + (c2 & 3)]; + pScn[0] = pBGPAL[(c1 >> 6)]; + pScn[4] = pBGPAL[(c1 >> 2) & 3]; + pScn[1] = pBGPAL[(c2 >> 6)]; + pScn[5] = pBGPAL[(c2 >> 2) & 3]; + pScn[2] = pBGPAL[(c1 >> 4) & 3]; + pScn[6] = pBGPAL[c1 & 3]; + pScn[3] = pBGPAL[(c2 >> 4) & 3]; + pScn[7] = pBGPAL[c2 & 3]; } } else { - lpScreen[pScn + 0] = lpScreen[pScn - 8]; - lpScreen[pScn + 0 + 1] = lpScreen[pScn - 8 + 1]; - lpScreen[pScn + 0 + 2] = lpScreen[pScn - 8 + 2]; - lpScreen[pScn + 0 + 3] = lpScreen[pScn - 8 + 3]; - - lpScreen[pScn + 4] = lpScreen[pScn - 4]; - lpScreen[pScn + 4 + 1] = lpScreen[pScn - 4 + 1]; - lpScreen[pScn + 4 + 2] = lpScreen[pScn - 4 + 2]; - lpScreen[pScn + 4 + 3] = lpScreen[pScn - 4 + 3]; - - BGwrite[pBGw + 0] = BGwrite[pBGw - 1]; + *(uint*)(pScn + 0) = *(uint*)(pScn - 8); + *(uint*)(pScn + 4) = *(uint*)(pScn - 4); + *(pBGw + 0) = *(pBGw - 1); } pScn += 8; pBGw++; @@ -787,8 +775,8 @@ else { // With Extension Latch(For MMC5) - pScn = lpScanline + (8 - loopy_shift); - pBGw = 0; + byte* pScn = lpScanline + (8 - loopy_shift); + byte* pBGw = BGwrite; int ntbladr = 0x2000 + (MMU.loopy_v & 0x0FFF); int ntbl_x = ntbladr & 0x1F; @@ -813,35 +801,27 @@ { cache_tile = ((chr_h << 8) + chr_l); cache_attr = attr; - BGwrite[pBGw] = (byte)(chr_l | chr_h); + *pBGw = (byte)(chr_l | chr_h); - int pBGPAL = attr; + fixed (byte* pBGPAL = &MMU.BGPAL[attr]) { int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - lpScreen[pScn + 0] = MMU.BGPAL[pBGPAL + ((c1 >> 6))]; - lpScreen[pScn + 4] = MMU.BGPAL[pBGPAL + ((c1 >> 2) & 3)]; - lpScreen[pScn + 1] = MMU.BGPAL[pBGPAL + ((c2 >> 6))]; - lpScreen[pScn + 5] = MMU.BGPAL[pBGPAL + ((c2 >> 2) & 3)]; - lpScreen[pScn + 2] = MMU.BGPAL[pBGPAL + ((c1 >> 4) & 3)]; - lpScreen[pScn + 6] = MMU.BGPAL[pBGPAL + (c1 & 3)]; - lpScreen[pScn + 3] = MMU.BGPAL[pBGPAL + ((c2 >> 4) & 3)]; - lpScreen[pScn + 7] = MMU.BGPAL[pBGPAL + (c2 & 3)]; + pScn[0] = pBGPAL[(c1 >> 6)]; + pScn[4] = pBGPAL[(c1 >> 2) & 3]; + pScn[1] = pBGPAL[(c2 >> 6)]; + pScn[5] = pBGPAL[(c2 >> 2) & 3]; + pScn[2] = pBGPAL[(c1 >> 4) & 3]; + pScn[6] = pBGPAL[c1 & 3]; + pScn[3] = pBGPAL[(c2 >> 4) & 3]; + pScn[7] = pBGPAL[c2 & 3]; } } else { - lpScreen[pScn + 0] = lpScreen[pScn - 8]; - lpScreen[pScn + 0 + 1] = lpScreen[pScn - 8 + 1]; - lpScreen[pScn + 0 + 2] = lpScreen[pScn - 8 + 2]; - lpScreen[pScn + 0 + 3] = lpScreen[pScn - 8 + 3]; - - lpScreen[pScn + 4] = lpScreen[pScn - 4]; - lpScreen[pScn + 4 + 1] = lpScreen[pScn - 4 + 1]; - lpScreen[pScn + 4 + 2] = lpScreen[pScn - 4 + 2]; - lpScreen[pScn + 4 + 3] = lpScreen[pScn - 4 + 3]; - - BGwrite[pBGw + 0] = BGwrite[pBGw - 1]; + *(uint*)(pScn + 0) = *(uint*)(pScn - 8); + *(uint*)(pScn + 4) = *(uint*)(pScn - 4); + *(pBGw + 0) = *(pBGw - 1); } pScn += 8; pBGw++; @@ -860,17 +840,17 @@ } if ((MMU.PPUREG[1] & PPU_BGCLIP_BIT) == 0 && bLeftClip) { - pScn = lpScanline + 8; + byte* pScn = lpScanline + 8; for (int i = 0; i < 8; i++) { - lpScreen[i] = MMU.BGPAL[0]; + pScn[i] = MMU.BGPAL[0]; } } } // Render sprites var temp = ~PPU_SPMAX_FLAG; - MMU.PPUREG[2] = (byte)(MMU.PPUREG[2] & temp); + MMU.PPUREG[2] &= (byte)(MMU.PPUREG[2] & temp); // 鏄炲傅濠滃ǐ濂滃伇鍋佸偀鍋藉儔鍎嶅劄鍍欏剸 if (scanline > 239) @@ -885,145 +865,144 @@ int spraddr = 0, sp_y = 0, sp_h = 0; chr_h = chr_l = 0; - - pBGw = 0; - int pSPw = 0; - int pBit2Rev = 0; - - MemoryUtility.ZEROMEMORY(SPwrite, SPwrite.Length); - - spmax = 0; - Sprite sp = new Sprite(MMU.SPRAM, 0); - sp_h = (MMU.PPUREG[0] & PPU_SP16_BIT) != 0 ? 15 : 7; - - // Left clip - if (bLeftClip && ((MMU.PPUREG[1] & PPU_SPCLIP_BIT) == 0)) + fixed (byte* pBit2Rev = &Bit2Rev[0]) { - SPwrite[0] = 0xFF; - } + byte* pBGw = BGwrite; + byte* pSPw = SPwrite; + Unsafe.InitBlockUnaligned(pSPw, 0, 34); - for (int i = 0; i < 64; i++, sp.AddOffset(1)) - { - sp_y = scanline - (sp.y + 1); - // 鍍楀儔鍎嶅劄鍎斿儉鍎炴挭鍋礢PRITE鍋戞嚉宓煎仭鍌炲亹鍌儬鍍冨儮鍍 - if (sp_y != (sp_y & sp_h)) - continue; + spmax = 0; + Sprite sp = new Sprite(MMU.SPRAM, 0); + sp_h = (MMU.PPUREG[0] & PPU_SP16_BIT) != 0 ? 15 : 7; - if ((MMU.PPUREG[0] & PPU_SP16_BIT) == 0) + // Left clip + if (bLeftClip && ((MMU.PPUREG[1] & PPU_SPCLIP_BIT) == 0)) { - // 8x8 Sprite - spraddr = ((MMU.PPUREG[0] & PPU_SPTBL_BIT) << 9) + (sp.tile << 4); - if ((sp.attr & SP_VMIRROR_BIT) == 0) - spraddr += sp_y; - else - spraddr += 7 - sp_y; - } - else - { - // 8x16 Sprite - spraddr = ((sp.tile & 1) << 12) + ((sp.tile & 0xFE) << 4); - if ((sp.attr & SP_VMIRROR_BIT) == 0) - spraddr += ((sp_y & 8) << 1) + (sp_y & 7); - else - spraddr += ((~sp_y & 8) << 1) + (7 - (sp_y & 7)); - } - // Character pattern - chr_l = MMU.PPU_MEM_BANK[spraddr >> 10][spraddr & 0x3FF]; - chr_h = MMU.PPU_MEM_BANK[spraddr >> 10][(spraddr & 0x3FF) + 8]; - - // Character latch(For MMC2/MMC4) - if (bChrLatch) - { - nes.mapper.PPU_ChrLatch((ushort)spraddr); + SPwrite[0] = 0xFF; } - // pattern mask - if ((sp.attr & SP_HMIRROR_BIT) != 0) + for (int i = 0; i < 64; i++, sp.AddOffset(1)) { - chr_l = Bit2Rev[pBit2Rev + chr_l]; - chr_h = Bit2Rev[pBit2Rev + chr_h]; - } - byte SPpat = (byte)(chr_l | chr_h); + sp_y = scanline - (sp.y + 1); + // 鍍楀儔鍎嶅劄鍎斿儉鍎炴挭鍋礢PRITE鍋戞嚉宓煎仭鍌炲亹鍌儬鍍冨儮鍍 + if (sp_y != (sp_y & sp_h)) + continue; - // Sprite hitcheck - if (i == 0 && (MMU.PPUREG[2] & PPU_SPHIT_FLAG) == 0) - { - int BGpos = ((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3; - int BGsft = 8 - ((loopy_shift + sp.x) & 7); - - var temp1 = BGwrite[pBGw + BGpos + 0] << 8; - var temp2 = BGwrite[pBGw + BGpos + 1]; - byte BGmsk = (byte)((temp1 | temp2) >> BGsft); - - if ((SPpat & BGmsk) != 0) + if ((MMU.PPUREG[0] & PPU_SP16_BIT) == 0) { - MMU.PPUREG[2] |= PPU_SPHIT_FLAG; + // 8x8 Sprite + spraddr = ((MMU.PPUREG[0] & PPU_SPTBL_BIT) << 9) + (sp.tile << 4); + if ((sp.attr & SP_VMIRROR_BIT) == 0) + spraddr += sp_y; + else + spraddr += 7 - sp_y; + } + else + { + // 8x16 Sprite + spraddr = ((sp.tile & 1) << 12) + ((sp.tile & 0xFE) << 4); + if ((sp.attr & SP_VMIRROR_BIT) == 0) + spraddr += ((sp_y & 8) << 1) + (sp_y & 7); + else + spraddr += ((~sp_y & 8) << 1) + (7 - (sp_y & 7)); + } + // Character pattern + chr_l = MMU.PPU_MEM_BANK[spraddr >> 10][spraddr & 0x3FF]; + chr_h = MMU.PPU_MEM_BANK[spraddr >> 10][(spraddr & 0x3FF) + 8]; + + // Character latch(For MMC2/MMC4) + if (bChrLatch) + { + nes.mapper.PPU_ChrLatch((ushort)spraddr); + } + + // pattern mask + if ((sp.attr & SP_HMIRROR_BIT) != 0) + { + chr_l = pBit2Rev[chr_l]; + chr_h = pBit2Rev[chr_h]; + } + byte SPpat = (byte)(chr_l | chr_h); + + // Sprite hitcheck + if (i == 0 && (MMU.PPUREG[2] & PPU_SPHIT_FLAG) == 0) + { + int BGpos = ((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3; + int BGsft = 8 - ((loopy_shift + sp.x) & 7); + byte BGmsk = (byte)(((pBGw[BGpos + 0] << 8) | pBGw[BGpos + 1]) >> BGsft); + + if ((SPpat & BGmsk) != 0) + { + MMU.PPUREG[2] |= PPU_SPHIT_FLAG; + } + } + + // Sprite mask + int SPpos = sp.x / 8; + int SPsft = 8 - (sp.x & 7); + byte SPmsk = (byte)(((pSPw[SPpos + 0] << 8) | pSPw[SPpos + 1]) >> SPsft); + ushort SPwrt = (ushort)(SPpat << SPsft); + pSPw[SPpos + 0] = (byte)((pSPw[SPpos + 0]) | (SPwrt >> 8)); + pSPw[SPpos + 1] = (byte)((pSPw[SPpos + 1]) | (SPwrt & 0xFF)); + SPpat = (byte)(SPpat & ~SPmsk); + + if ((sp.attr & SP_PRIORITY_BIT) != 0) + { + // BG > SP priority + int BGpos = ((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3; + int BGsft = 8 - ((loopy_shift + sp.x) & 7); + byte BGmsk = (byte)(((pBGw[BGpos + 0] << 8) | pBGw[BGpos + 1]) >> BGsft); + + SPpat = (byte)(SPpat & ~BGmsk); + } + + // Attribute + fixed (byte* pSPPAL = &MMU.SPPAL[(sp.attr & SP_COLOR_BIT) << 2]) + { + // Ptr + byte* pScn = lpScanline + sp.x + 8; + + if (!bExtMono) + { + int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); + int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); + if ((SPpat & 0x80) != 0) pScn[0] = pSPPAL[(c1 >> 6)]; + if ((SPpat & 0x08) != 0) pScn[4] = pSPPAL[(c1 >> 2) & 3]; + if ((SPpat & 0x40) != 0) pScn[1] = pSPPAL[(c2 >> 6)]; + if ((SPpat & 0x04) != 0) pScn[5] = pSPPAL[(c2 >> 2) & 3]; + if ((SPpat & 0x20) != 0) pScn[2] = pSPPAL[(c1 >> 4) & 3]; + if ((SPpat & 0x02) != 0) pScn[6] = pSPPAL[c1 & 3]; + if ((SPpat & 0x10) != 0) pScn[3] = pSPPAL[(c2 >> 4) & 3]; + if ((SPpat & 0x01) != 0) pScn[7] = pSPPAL[c2 & 3]; + } + else + { + // Monocrome effect (for Final Fantasy) + byte mono = BGmono[((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3]; + + int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); + int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); + if ((SPpat & 0x80) != 0) pScn[0] = (byte)(pSPPAL[c1>>6] |mono); + if ((SPpat & 0x08) != 0) pScn[4] = (byte)(pSPPAL[(c1>>2)&3] |mono); + if ((SPpat & 0x40) != 0) pScn[1] = (byte)(pSPPAL[c2>>6] |mono); + if ((SPpat & 0x04) != 0) pScn[5] = (byte)(pSPPAL[(c2>>2)&3] |mono); + if ((SPpat & 0x20) != 0) pScn[2] = (byte)(pSPPAL[(c1>>4)&3] |mono); + if ((SPpat & 0x02) != 0) pScn[6] = (byte)(pSPPAL[c1&3] |mono); + if ((SPpat & 0x10) != 0) pScn[3] = (byte)(pSPPAL[(c2>>4)&3] |mono); + if ((SPpat & 0x01) != 0) pScn[7] = (byte)(pSPPAL[c2 & 3] | mono); + } + } + + if (++spmax > 8 - 1) + { + if (!bMax) + break; } } - - // Sprite mask - int SPpos = sp.x / 8; - int SPsft = 8 - (sp.x & 7); - byte SPmsk = (byte)((SPwrite[pSPw + SPpos + 0] << 8 | SPwrite[pSPw + SPpos + 1]) >> SPsft); - ushort SPwrt = (ushort)(SPpat << SPsft); - SPwrite[pSPw + SPpos + 0] = (byte)(SPwrite[pSPw + SPpos + 0] | SPwrt >> 8); - SPwrite[pSPw + SPpos + 1] = (byte)(SPwrite[pSPw + SPpos + 1] | SPwrt & 0xFF); - SPpat = (byte)(SPpat & ~SPmsk); - - if ((sp.attr & SP_PRIORITY_BIT) != 0) + if (spmax > 8 - 1) { - // BG > SP priority - int BGpos = ((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3; - int BGsft = 8 - ((loopy_shift + sp.x) & 7); - byte BGmsk = (byte)(((BGwrite[pBGw + BGpos + 0] << 8) | BGwrite[pBGw + BGpos + 1]) >> BGsft); - - SPpat = (byte)(SPpat & ~BGmsk); + MMU.PPUREG[2] |= PPU_SPMAX_FLAG; } - - // Attribute - int pSPPAL = (sp.attr & SP_COLOR_BIT) << 2; - // Ptr - pScn = lpScanline + sp.x + 8; - - if (!bExtMono) - { - int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); - int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - if ((SPpat & 0x80) != 0) lpScreen[pScn + 0] = MMU.SPPAL[pSPPAL + (c1 >> 6)]; - if ((SPpat & 0x08) != 0) lpScreen[pScn + 4] = MMU.SPPAL[pSPPAL + ((c1 >> 2) & 3)]; - if ((SPpat & 0x40) != 0) lpScreen[pScn + 1] = MMU.SPPAL[pSPPAL + ((c2 >> 6))]; - if ((SPpat & 0x04) != 0) lpScreen[pScn + 5] = MMU.SPPAL[pSPPAL + ((c2 >> 2) & 3)]; - if ((SPpat & 0x20) != 0) lpScreen[pScn + 2] = MMU.SPPAL[pSPPAL + ((c1 >> 4) & 3)]; - if ((SPpat & 0x02) != 0) lpScreen[pScn + 6] = MMU.SPPAL[pSPPAL + (c1 & 3)]; - if ((SPpat & 0x10) != 0) lpScreen[pScn + 3] = MMU.SPPAL[pSPPAL + ((c2 >> 4) & 3)]; - if ((SPpat & 0x01) != 0) lpScreen[pScn + 7] = MMU.SPPAL[pSPPAL + (c2 & 3)]; - } - else - { - // Monocrome effect (for Final Fantasy) - byte mono = BGmono[((sp.x & 0xF8) + ((loopy_shift + (sp.x & 7)) & 8)) >> 3]; - - int c1 = ((chr_l >> 1) & 0x55) | (chr_h & 0xAA); - int c2 = (chr_l & 0x55) | ((chr_h << 1) & 0xAA); - if ((SPpat & 0x80) != 0) lpScreen[pScn + 0] = (byte)(MMU.SPPAL[pSPPAL + (c1 >> 6)] | mono); - if ((SPpat & 0x08) != 0) lpScreen[pScn + 4] = (byte)(MMU.SPPAL[pSPPAL + ((c1 >> 2) & 3)] | mono); - if ((SPpat & 0x40) != 0) lpScreen[pScn + 1] = (byte)(MMU.SPPAL[pSPPAL + (c2 >> 6)] | mono); - if ((SPpat & 0x04) != 0) lpScreen[pScn + 5] = (byte)(MMU.SPPAL[pSPPAL + ((c2 >> 2) & 3)] | mono); - if ((SPpat & 0x20) != 0) lpScreen[pScn + 2] = (byte)(MMU.SPPAL[pSPPAL + ((c1 >> 4) & 3)] | mono); - if ((SPpat & 0x02) != 0) lpScreen[pScn + 6] = (byte)(MMU.SPPAL[pSPPAL + (c1 & 3)] | mono); - if ((SPpat & 0x10) != 0) lpScreen[pScn + 3] = (byte)(MMU.SPPAL[pSPPAL + ((c2 >> 4) & 3)] | mono); - if ((SPpat & 0x01) != 0) lpScreen[pScn + 7] = (byte)(MMU.SPPAL[pSPPAL + (c2 & 3)] | mono); - } - - if (++spmax > 8 - 1) - { - if (!bMax) - break; - } - } - if (spmax > 8 - 1) - { - MMU.PPUREG[2] |= PPU_SPMAX_FLAG; } } @@ -1103,7 +1082,7 @@ MMU.PPUREG[2] |= PPU_VBLANK_FLAG; } - public uint[] GetScreenPtr() + public byte* GetScreenPtr() { return lpScreen; } @@ -1113,9 +1092,10 @@ return lpColormode; } - internal void SetScreenPtr(uint[] screenBuffer, byte[] colormode) + internal void SetScreenPtr(byte[] screenBuffer, byte[] colormode) { - lpScreen = screenBuffer; + lpScreenGCH = GCHandle.Alloc(screenBuffer, GCHandleType.Pinned); + lpScreen = (byte*)lpScreenGCH.AddrOfPinnedObject(); lpColormode = colormode; }