diff --git a/src/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs b/src/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs
index 60db8439ab..f8d8b5719c 100644
--- a/src/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs
+++ b/src/BizHawk.Emulation.Cores/Arcades/MAME/MAME.cs
@@ -513,7 +513,9 @@ namespace BizHawk.Emulation.Cores.Arcades.MAME
 						{
 							return _peek(addr, firstOffset, size);
 						},
-						read == "rom" ? (Action<long, byte>) null : (addr, val) => _poke(addr, val, firstOffset, size),
+						read == "rom"
+							? null
+							: (long addr, byte val) => _poke(addr, val, firstOffset, size),
 						dataWidth));
 				}
 			}
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/HW_Registers.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/HW_Registers.cs
index 8393ddc0c6..9879b91883 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/HW_Registers.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/HW_Registers.cs
@@ -213,15 +213,23 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 					break;
 
 				case 0xFF76:
-					byte ret1 = audio.SQ1_output >= Audio.DAC_OFST ? (byte)(audio.SQ1_output - Audio.DAC_OFST) : 0;
-					byte ret2 = audio.SQ2_output >= Audio.DAC_OFST ? (byte)(audio.SQ2_output - Audio.DAC_OFST) : 0;
+					var ret1 = audio.SQ1_output >= Audio.DAC_OFST
+						? (byte) (audio.SQ1_output - Audio.DAC_OFST)
+						: (byte) 0;
+					var ret2 = audio.SQ2_output >= Audio.DAC_OFST
+						? (byte) (audio.SQ2_output - Audio.DAC_OFST)
+						: (byte) 0;
 					if (is_GBC) { ret = (byte)(ret1 | (ret2 << 4)); }
 					else { ret = 0xFF; }
 					break;
 
 				case 0xFF77:
-					byte retN = audio.NOISE_output >= Audio.DAC_OFST ? (byte)(audio.NOISE_output - Audio.DAC_OFST) : 0;
-					byte retW = audio.WAVE_output >= Audio.DAC_OFST ? (byte)(audio.WAVE_output - Audio.DAC_OFST) : 0;
+					var retN = audio.NOISE_output >= Audio.DAC_OFST
+						? (byte) (audio.NOISE_output - Audio.DAC_OFST)
+						: (byte) 0;
+					var retW = audio.WAVE_output >= Audio.DAC_OFST
+						? (byte) (audio.WAVE_output - Audio.DAC_OFST)
+						: (byte) 0;
 					if (is_GBC) { ret = (byte)(retN | (retW << 4)); }
 					else { ret = 0xFF; }
 					break;
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_Default.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_Default.cs
index 5447485269..8f6560219b 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_Default.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_Default.cs
@@ -23,7 +23,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 			}
 			else
 			{
-				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+					? (byte) 0xFF
+					: Core.bus_value;
 			}
 		}
 
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1.cs
index d5a2085ee6..6c42583d68 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1.cs
@@ -58,12 +58,16 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 				}
 				else
 				{
-					return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+					return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+						? (byte) 0xFF
+						: Core.bus_value;
 				}
 			}
 			else
 			{
-				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+					? (byte) 0xFF
+					: Core.bus_value;
 			}
 		}
 
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1_Multi.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1_Multi.cs
index 250c6bbc2c..3530095c70 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1_Multi.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC1_Multi.cs
@@ -58,13 +58,17 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 				}
 				else
 				{
-					return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+					return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+						? (byte) 0xFF
+						: Core.bus_value;
 				}
 
 			}
 			else
 			{
-				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+					? (byte) 0xFF
+					: Core.bus_value;
 			}
 		}
 
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC3.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC3.cs
index 0080c335b3..ee3082fa65 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC3.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawk/Mappers/Mapper_MBC3.cs
@@ -69,7 +69,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 					}
 					else
 					{
-						return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+						return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+							? (byte) 0xFF
+							: Core.bus_value;
 					}
 				}
 
@@ -85,7 +87,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawk
 			}
 			else
 			{
-				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8) ? 0xFF : Core.bus_value;
+				return Core.cpu.TotalExecutedCycles > (Core.bus_access_time + 8)
+					? (byte) 0xFF
+					: Core.bus_value;
 			}
 		}