Attempt mapper 474

src/boards/474.cpp

@@ -0,0 +1,71 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) Akerasoft 2023
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * FDS Conversion
+ *
+ */
+
+#include "mapinc.h"
+
+static DECLFR(M474ReadCart) {
+	return Page[A >> 14][A];
+}
+
+static void Sync(void) {
+	setchr8(0);
+	setprg16(0x4000, 0);
+	setprg16(0x8000, 1);
+	setprg16(0xC000, 2);
+}
+
+
+static void M474Power(void) {
+	SetupCartCHRMapping(0x00, &PRGptr[0][0xC000], 0x2000, 0);
+	// not modify fceux other code,
+	// fceux load prg is 64k, have 8k chr in 0xC000
+	// fceux load chr is 8k,but 0xFF or 0x00
+	SetReadHandler(0x4020, 0xFFFF, M474ReadCart);
+	Sync();
+}
+
+static void M474Power_submapper1(void) {
+	SetupCartCHRMapping(0x00, &PRGptr[0][0xC000], 0x2000, 0);
+	// not modify fceux other code,
+	// fceux load prg is 64k, have 8k chr in 0xC000
+	// fceux load chr is 8k,but 0xFF or 0x00
+	SetReadHandler(0x4800, 0xFFFF, M474ReadCart);
+	Sync();
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void Mapper474_Init(CartInfo* info) {
+	if (info->submapper == 1)
+	{
+		info->Power = M474Power_submapper1;
+	}
+	else
+	{
+		// submapper 0
+		info->Power = M474Power;
+	}
+	GameStateRestore = StateRestore;
+}

src/ines.cpp

@@ -793,6 +793,7 @@ BMAPPINGLocal bmap[] = {
 
 	{"Impact Soft MMC3 Flash Board",	406, Mapper406_Init },
 	{"INX_007T_V01",		470, INX_007T_Init },
+	{"Akerasoft NROM3XX",		474, Mapper474_Init },
 
 	{"KONAMI QTAi Board",	547, QTAi_Init },
 

src/ines.h

@@ -277,6 +277,7 @@ void Mapper254_Init(CartInfo *);
 void Mapper255_Init(CartInfo *);
 void Mapper354_Init(CartInfo *);
 void Mapper406_Init(CartInfo *);
+void Mapper474_Init(CartInfo*);
 
 void INX_007T_Init(CartInfo* info);
 

vc/vc14_fceux.vcxproj

@@ -445,6 +445,7 @@ xcopy /y /d "$(ProjectDir)\..\src\drivers\win\7z_64.dll" "$(OutDir)"</Command>
     <ClCompile Include="..\src\boards\42.cpp" />
     <ClCompile Include="..\src\boards\43.cpp" />
     <ClCompile Include="..\src\boards\46.cpp" />
+    <ClCompile Include="..\src\boards\474.cpp" />
     <ClCompile Include="..\src\boards\50.cpp" />
     <ClCompile Include="..\src\boards\51.cpp" />
     <ClCompile Include="..\src\boards\57.cpp" />
@@ -1540,4 +1541,4 @@ xcopy /y /d "$(ProjectDir)\..\src\drivers\win\7z_64.dll" "$(OutDir)"</Command>
     </VisualStudio>
   </ProjectExtensions>
   <!-- ================ UNDUPOBJ ================ -->
-</Project>
+</Project>

vc/vc14_fceux.vcxproj.filters

@@ -1121,6 +1121,11 @@
       <Filter>boards</Filter>
     </ClCompile>
     <ClCompile Include="..\src\debugsymboltable.cpp" />
+    <ClCompile Include="..\src\utils\mutex.cpp" />
+    <ClCompile Include="..\src\ld65dbg.cpp" />
+    <ClCompile Include="..\src\boards\472.cpp">
+      <Filter>boards</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\drivers\common\args.h">
@@ -1630,6 +1635,9 @@
     <ClInclude Include="..\src\drivers\win\header_editor.h">
       <Filter>drivers\win</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\debugsymboltable.h" />
+    <ClInclude Include="..\src\ld65dbg.h" />
+    <ClInclude Include="..\src\utils\mutex.h" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="..\src\drivers\win\res.rc">