It's like archaeology. We're the first ones to use this ancient Mayan super scope code

BizHawk.Emulation.Cores/Consoles/Nintendo/SNES/LibsnesControllerDeck.cs

@@ -37,10 +37,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 						LimitAnalogChangeSensitivity = ss.LimitAnalogChangeSensitivity
 					};
 				case ControllerType.SuperScope:
-					return new SnesSuperScopeController
-					{
-						LimitAnalogChangeSensitivity = ss.LimitAnalogChangeSensitivity
-					};
+                    return new SnesSuperScopeController();
 				default:
 					throw new InvalidOperationException();
 			}
@@ -342,15 +339,15 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 			},
 			FloatRanges =
 			{
-				new[] { -10, 0f, 10f },
-				new[] { -10f, 0f, 10f }
+                // problem: when you're in 240 line mode, the limit on Y needs to be 240.
+                // when you're in 224 mode, it needs to be 224.  perhaps the deck needs to account for this...
+				new[] { 0f, 128f, 256f },
+				new[] { 0f, 0f, 240f }
 			}
 		};
 
 		public ControllerDefinition Definition => _definition;
 
-		public bool LimitAnalogChangeSensitivity { get; set; } = true;
-
 		public short GetState(IController controller, int index, int id)
 		{
 			switch (id)
@@ -359,19 +356,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 					return 0;
 				case 0:
 					var x = (int)controller.GetFloat("0X");
-					if (LimitAnalogChangeSensitivity)
-					{
-						x = x.Clamp(-10, 10);
-					}
-
 					return (short)x;
 				case 1:
 					var y = (int)controller.GetFloat("0Y");
-					if (LimitAnalogChangeSensitivity)
-					{
-						y = y.Clamp(-10, 10);
-					}
-
 					return (short)y;
 				case 2:
 					return (short)(controller.IsPressed("0Trigger") ? 1 : 0);

libsnes/bsnes/snes/controller/superscope/superscope.cpp

@@ -30,8 +30,6 @@ void SuperScope::enter() {
       //Vcounter wrapped back to zero; update cursor coordinates for start of new frame
       int nx = interface()->inputPoll(port, Input::Device::SuperScope, 0, (unsigned)Input::SuperScopeID::X);
       int ny = interface()->inputPoll(port, Input::Device::SuperScope, 0, (unsigned)Input::SuperScopeID::Y);
-      nx += x;
-      ny += y;
       x = max(-16, min(256 + 16, nx));
       y = max(-16, min(240 + 16, ny));
       offscreen = (x < 0 || y < 0 || x >= 256 || y >= (ppu.overscan() ? 240 : 225));