Support PCE mouse in movie mnemonics and virtualpads

src/BizHawk.Client.Common/movie/bk2/Bk2MnemonicLookup.cs

@@ -134,6 +134,9 @@ namespace BizHawk.Client.Common
 			["Mouse Center"] = 'c',
 			["Mouse Start"] = 's',
 
+			["Left Button"] = 'l',
+			["Right Button"] = 'r',
+
 			["Mode"] = 'M',
 			["MODE"] = 'M',
 			["Mode 1"] = 'M',

src/BizHawk.Client.EmuHawk/tools/VirtualPads/schema/PceSchema.cs

@@ -4,7 +4,6 @@ using System.Linq;
 using System.Windows.Forms;
 
 using BizHawk.Emulation.Common;
-using BizHawk.Emulation.Cores.Consoles.NEC.PCE;
 using BizHawk.Emulation.Cores.PCEngine;
 using BizHawk.Emulation.Cores.Waterbox;
 
@@ -101,6 +100,10 @@ namespace BizHawk.Client.EmuHawk
 				{
 					yield return StandardController(num);
 				}
+				else if (device == "mouse")
+				{
+					yield return Mouse(num);
+				}
 				else if (device != "none")
 				{
 					MessageBox.Show($"Controller type {device} not supported yet.");
@@ -126,5 +129,39 @@ namespace BizHawk.Client.EmuHawk
 				}
 			};
 		}
+
+		private static PadSchema Mouse(int controller)
+		{
+			var range = new ControllerDefinition.AxisRange(-127, 0, 127);
+			return new PadSchema
+			{
+				Size = new Size(345, 225),
+				Buttons = new PadSchemaControl[]
+				{
+					new AnalogSchema(6, 14, $"P{controller} Motion Left / Right")
+					{
+						SecondaryName = $"P{controller} Motion Up / Down",
+						AxisRange = range,
+						SecondaryAxisRange = range
+					},
+					new ButtonSchema(275, 15, controller, "Left Button")
+					{
+						DisplayName = "Left"
+					},
+					new ButtonSchema(275, 45, controller, "Right Button")
+					{
+						DisplayName = "Right"
+					},
+					new ButtonSchema(275, 75, controller, "SELECT")
+					{
+						DisplayName = "Select"
+					},
+					new ButtonSchema(275, 105, controller, "RUN")
+					{
+						DisplayName = "Run"
+					}
+				}
+			};
+		}
 	}
 }