diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper193.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper193.cs
index 37524da9e3..d4c9f0c30c 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper193.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper193.cs
@@ -2,55 +2,14 @@
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES
 {
+	// http://wiki.nesdev.com/w/index.php/INES_Mapper_193
 	public sealed class Mapper193 : NES.NESBoardBase 
 	{
-		/*
-		* ========================
-		=  Mapper 193          =
-		========================
+		private int prg_bank_mask_8k;
+		private byte[] prg_banks_8k = new byte[4];
 
-
-		Example Game:
-		--------------------------
-		Fighting Hero (Unl)
-
-
-
-		Registers:
-		---------------------------
-		Regs at $6000-7FFF = no SRAM
-
-		Range,Mask:   $6000-7FFF, $6003
-
-
-		$6000:  CHR Reg 0
-		$6001:  CHR Reg 1
-		$6002:  CHR Reg 2
-		$6003:  PRG Reg
-
-
-		CHR Setup:
-		---------------------------
-
-		$0000   $0400   $0800   $0C00   $1000   $1400   $1800   $1C00 
-		+-------------------------------+---------------+---------------+
-		|           <<$6000>>           |    <$6001>    |    <$6002>    |
-		+-------------------------------+---------------+---------------+
-
-		PRG Setup:
-		---------------------------
-
-		$8000   $A000   $C000   $E000  
-		+-------+-------+-------+-------+
-		| $6003 | { -3} | { -2} | { -1} |
-		+-------+-------+-------+-------+
-		*/
-
-		int prg_bank_mask_8k;
-		byte[] prg_banks_8k = new byte[4];
-
-		int chr_bank_mask_2k;
-		byte[] chr_banks_2k = new byte[4];
+		private int chr_bank_mask_2k;
+		private byte[] chr_banks_2k = new byte[4];
 
 		public override bool Configure(NES.EDetectionOrigin origin)
 		{
@@ -76,7 +35,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			return true;
 		}
 
-		void SyncMap()
+		private void SyncMap()
 		{
 			ApplyMemoryMapMask(prg_bank_mask_8k, prg_banks_8k);
 			ApplyMemoryMapMask(chr_bank_mask_2k, chr_banks_2k);
@@ -118,10 +77,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				addr = ApplyMemoryMap(11, chr_banks_2k, addr);
 				return base.ReadPPUChr(addr);
 			}
-			else
-			{
-				return base.ReadPPU(addr);
-			}
+
+			return base.ReadPPU(addr);
 		}
 
 		public override byte ReadPRG(int addr)
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Taito_X1_017.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Taito_X1_017.cs
index 4fa16be52a..3052110441 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Taito_X1_017.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Taito_X1_017.cs
@@ -3,68 +3,14 @@ using BizHawk.Common.NumberExtensions;
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES
 {
+	// http://wiki.nesdev.com/w/index.php/INES_Mapper_082
 	public sealed class Taito_X1_017 : NES.NESBoardBase
 	{
-		/*
-		ines Mapper 82
-		http://wiki.nesdev.com/w/index.php/INES_Mapper_082
-
-		 *  Example Games:
-		 --------------------------
-		 SD Keiji - Blader
-		
- 
- 
-		 Notes:
-		 ---------------------------
-		 Regs appear at $7EFx, I'm unsure whether or not PRG-RAM can exist at $6000-7FFF
- 
- 
-		 Registers:
-		 ---------------------------
- 
-		   $7EF0-7EF5:  CHR Regs
- 
-		   $7EF6:  [.... ..CM]  CHR Mode/Mirroring
-			 C = CHR Mode select
-			 M = Mirroring:
-				0 = Horz
-				1 = Vert
- 
-		   $7EFA:  [PPPP PP..]  PRG Reg 0 (8k @ $8000)
-		   $7EFB:  [PPPP PP..]  PRG Reg 1 (8k @ $A000)
-		   $7EFC:  [PPPP PP..]  PRG Reg 2 (8k @ $C000)
- 
- 
-		 CHR Setup:
-		 ---------------------------
- 
-						 $0000   $0400   $0800   $0C00   $1000   $1400   $1800   $1C00 
-					   +---------------+---------------+-------+-------+-------+-------+
-		 CHR Mode 0:   |    <$7EF0>    |    <$7EF1>    | $7EF2 | $7EF3 | $7EF4 | $7EF5 |
-					   +---------------+---------------+---------------+---------------+
-		 CHR Mode 1:   | $7EF2 | $7EF3 | $7EF4 | $7EF5 |    <$7EF0>    |    <$7EF1>    |
-					   +-------+-------+-------+-------+---------------+---------------+
- 
- 
-		 PRG Setup:
-		 ---------------------------
- 
-			   $8000   $A000   $C000   $E000  
-			 +-------+-------+-------+-------+
-			 | $7EFA | $7EFB | $7EFC | { -1} |
-			 +-------+-------+-------+-------+
- 
-		 Note:  remember that the low 2 bits are not used (right-shift written values by 2)
-		*/
-
-		// config
-		int prg_bank_mask, chr_bank_mask;
-		// state
-		byte[] prg_regs_8k = new byte[4];
-		byte[] chr_regs_1k = new byte[8];
-		bool ChrMode;
-		bool[] wramenable = new bool[3];
+		private int prg_bank_mask, chr_bank_mask;
+		private byte[] prg_regs_8k = new byte[4];
+		private byte[] chr_regs_1k = new byte[8];
+		private bool ChrMode;
+		private bool[] wramenable = new bool[3];
 
 		public override void SyncState(Serializer ser)
 		{
@@ -102,9 +48,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 		public override byte ReadWRAM(int addr)
 		{
 			if (addr < 0x1400 && wramenable[addr >> 11])
+			{
 				return WRAM[addr];
-			else
-				return NES.DB;
+			}
+
+			return NES.DB;
 		}
 
 		public override void WriteWRAM(int addr, byte value)
@@ -187,10 +135,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				addr = (bank_1k << 10) | ofs;
 				return VROM[addr];
 			}
-			else
-			{
-				return base.ReadPPU(addr);
-			}
+
+			return base.ReadPPU(addr);
 		}
 	}
 }