UNIF BB board support

Core/Bb.h

@@ -0,0 +1,49 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Bb : public BaseMapper
+{
+private:
+	uint8_t _prgReg;
+	uint8_t _chrReg;
+
+protected:
+	uint16_t GetPRGPageSize() override { return 0x2000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+		_prgReg = -1;
+		_chrReg = 0;
+
+		SelectPrgPage4x(0, -4);
+		UpdateState();
+	}
+
+	void StreamState(bool saving)
+	{
+		BaseMapper::StreamState(saving);
+		Stream(_prgReg, _chrReg);
+		if(!saving) {
+			UpdateState();
+		}
+	}
+
+	void UpdateState()
+	{
+		SetCpuMemoryMapping(0x6000, 0x7FFF, _prgReg & 0x03, PrgMemoryType::PrgRom);
+		SelectCHRPage(0, _chrReg);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		if((addr & 0x9000) == 0x8000){
+			_prgReg = _chrReg = value;
+		} else {
+			//For ProWres
+			_chrReg = value & 0x01;
+		}
+		UpdateState();
+	}
+};

Core/Core.vcxproj

@@ -413,6 +413,7 @@
     <ClInclude Include="BaseFdsChannel.h" />
     <ClInclude Include="BaseMapper.h" />
     <ClInclude Include="BaseSoundFilter.h" />
+    <ClInclude Include="Bb.h" />
     <ClInclude Include="BF9096.h" />
     <ClInclude Include="BF909x.h" />
     <ClInclude Include="Bmc190in1.h" />

Core/Core.vcxproj.filters

@@ -1033,6 +1033,9 @@
     <ClInclude Include="UnifBoards.h">
       <Filter>Nes\Mappers\Unif</Filter>
     </ClInclude>
+    <ClInclude Include="Bb.h">
+      <Filter>Nes\Mappers\Unif</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">

Core/MapperFactory.cpp

@@ -12,6 +12,7 @@
 #include "Bandai74161_7432.h"
 #include "BandaiFcg.h"
 #include "BandaiKaraoke.h"
+#include "Bb.h"
 #include "BF909x.h"
 #include "BF9096.h"
 #include "Bmc51.h"
@@ -468,6 +469,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 
 		case UnifBoards::A65AS: return new A65AS();
 		case UnifBoards::Ax5705: return new Ax5705();
+		case UnifBoards::Bb: return new Bb();
 		case UnifBoards::Bmc70in1: return new Bmc70in1();
 		case UnifBoards::Bmc70in1B: return new Bmc70in1();
 		case UnifBoards::Bmc190in1: return new Bmc190in1();

Core/UnifBoards.h

@@ -30,5 +30,6 @@ namespace UnifBoards {
 		Ks7016,
 		Rt01,
 		Hp898f,
+		Bb,
 	};
 }

Core/UnifLoader.h

@@ -31,7 +31,7 @@ private:
 		{ "AC08", UnifBoards::UnknownBoard },
 		{ "ANROM", 7 },
 		{ "AX5705", UnifBoards::Ax5705 },
-		{ "BB", UnifBoards::UnknownBoard },
+		{ "BB", UnifBoards::Bb },
 		{ "BS-5", UnifBoards::Bs5 },
 		{ "CC-21", UnifBoards::Cc21 },
 		{ "CITYFIGHT", UnifBoards::UnknownBoard },