From ff9322dee029c62e9ec0f2379574335f5e66c814 Mon Sep 17 00:00:00 2001
From: Sour <mesenemu@gmail.com>
Date: Sun, 17 Jun 2018 10:28:59 -0400
Subject: [PATCH] UNIF: Added support for BMC-80013-B board

---
 Core/Bmc80013B.h          | 54 +++++++++++++++++++++++++++++++++++++++
 Core/Core.vcxproj         |  1 +
 Core/Core.vcxproj.filters |  3 +++
 Core/MapperFactory.cpp    |  4 ++-
 Core/UnifBoards.h         |  1 +
 Core/UnifLoader.cpp       |  3 ++-
 6 files changed, 64 insertions(+), 2 deletions(-)
 create mode 100644 Core/Bmc80013B.h

diff --git a/Core/Bmc80013B.h b/Core/Bmc80013B.h
new file mode 100644
index 00000000..eeed7380
--- /dev/null
+++ b/Core/Bmc80013B.h
@@ -0,0 +1,54 @@
+#pragma once
+#include "stdafx.h"
+#include "BaseMapper.h"
+
+class Bmc80013B : public BaseMapper
+{
+private:
+	uint8_t _regs[2];
+	uint8_t _mode;
+
+protected:
+	uint16_t GetPRGPageSize() override { return 0x4000; }
+	uint16_t GetCHRPageSize() override { return 0x2000; }
+
+	void InitMapper() override
+	{
+		SelectCHRPage(0, 0);
+	}
+
+	void Reset(bool softReset) override
+	{
+		_regs[0] = _regs[1] = _mode = 0;
+		UpdateState();
+	}
+
+	void StreamState(bool saving) override
+	{
+		Stream(_regs[0], _regs[1], _mode);
+	}
+
+	void UpdateState()
+	{
+		if(_mode & 0x02) {
+			SelectPRGPage(0, (_regs[0] & 0x0F) | (_regs[1] & 0x70));
+		} else {
+			SelectPRGPage(0, _regs[0] & 0x03);
+		}
+		
+		SelectPRGPage(1, _regs[1] & 0x7F);
+		SetMirroringType(_regs[0] & 0x10 ? MirroringType::Vertical : MirroringType::Horizontal);
+	}
+
+	void WriteRegister(uint16_t addr, uint8_t value) override
+	{
+		uint8_t reg = (addr >> 13) & 0x03;
+		if(reg == 0) {
+			_regs[0] = value;
+		} else {
+			_regs[1] = value;
+			_mode = reg;
+		}
+		UpdateState();		
+	}
+};
\ No newline at end of file
diff --git a/Core/Core.vcxproj b/Core/Core.vcxproj
index c87c90a6..2a3616f1 100644
--- a/Core/Core.vcxproj
+++ b/Core/Core.vcxproj
@@ -518,6 +518,7 @@
     <ClInclude Include="BaseSoundManager.h" />
     <ClInclude Include="BatteryManager.h" />
     <ClInclude Include="BattleBox.h" />
+    <ClInclude Include="Bmc80013B.h" />
     <ClInclude Include="Bmc8157.h" />
     <ClInclude Include="Bmc830118C.h" />
     <ClInclude Include="Bmc8in1.h" />
diff --git a/Core/Core.vcxproj.filters b/Core/Core.vcxproj.filters
index 32b03349..e2ee7995 100644
--- a/Core/Core.vcxproj.filters
+++ b/Core/Core.vcxproj.filters
@@ -1393,6 +1393,9 @@
     <ClInclude Include="Kaiser7017.h">
       <Filter>Nes\Mappers\Unif</Filter>
     </ClInclude>
+    <ClInclude Include="Bmc80013B.h">
+      <Filter>Nes\Mappers\Unif</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
diff --git a/Core/MapperFactory.cpp b/Core/MapperFactory.cpp
index e3bea16a..9d8480f4 100644
--- a/Core/MapperFactory.cpp
+++ b/Core/MapperFactory.cpp
@@ -19,13 +19,14 @@
 #include "Bmc11160.h"
 #include "Bmc12in1.h"
 #include "Bmc51.h"
-#include "Bmc8157.h"
 #include "Bmc63.h"
 #include "Bmc64in1NoRepeat.h"
 #include "Bmc70in1.h"
 #include "Bmc190in1.h"
 #include "Bmc235.h"
 #include "Bmc255.h"
+#include "Bmc8157.h"
+#include "Bmc80013B.h"
 #include "Bmc810544CA1.h"
 #include "Bmc830118C.h"
 #include "Bmc8in1.h"
@@ -528,6 +529,7 @@ BaseMapper* MapperFactory::GetMapperFromID(RomData &romData)
 		case UnifBoards::Bmc190in1: return new Bmc190in1();
 		case UnifBoards::Bmc810544CA1: return new Bmc810544CA1();
 		case UnifBoards::Bmc830118C: return new Bmc830118C();
+		case UnifBoards::Bmc80013B: return new Bmc80013B();
 		case UnifBoards::Bmc8157: return new Bmc8157();
 		case UnifBoards::Bmc8in1: return new Bmc8in1();
 		case UnifBoards::BmcF15: return new MMC3_BmcF15();
diff --git a/Core/UnifBoards.h b/Core/UnifBoards.h
index bd12c5fc..40629480 100644
--- a/Core/UnifBoards.h
+++ b/Core/UnifBoards.h
@@ -59,5 +59,6 @@ namespace UnifBoards {
 		UnlD1038,
 		Sachen9602,
 		Unl158B,
+		Bmc80013B,
 	};
 }
\ No newline at end of file
diff --git a/Core/UnifLoader.cpp b/Core/UnifLoader.cpp
index 15129996..c9ace664 100644
--- a/Core/UnifLoader.cpp
+++ b/Core/UnifLoader.cpp
@@ -154,5 +154,6 @@ std::unordered_map<string, int> UnifLoader::_boardMappings = std::unordered_map<
 	{ "RT-01", UnifBoards::Rt01 },
 	{ "81-01-31-C", UnifBoards::UnknownBoard },
 	{ "8-IN-1", UnifBoards::Bmc8in1 },
-	{ "WS", UnifBoards::Super40in1Ws }
+	{ "WS", UnifBoards::Super40in1Ws },
+	{ "80013-B", UnifBoards::Bmc80013B },
 };
\ No newline at end of file