From 70c80492754e475cb54f787364039da7b742f81f Mon Sep 17 00:00:00 2001
From: thrust26 <tjentzsch@yahoo.de>
Date: Wed, 8 May 2019 22:36:11 +0200
Subject: [PATCH] adjust dejitter factors

---
 src/emucore/Paddles.cxx | 25 ++++++++++---------------
 src/emucore/Paddles.hxx |  2 +-
 2 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/src/emucore/Paddles.cxx b/src/emucore/Paddles.cxx
index e8e1ddc34..a2520d833 100644
--- a/src/emucore/Paddles.cxx
+++ b/src/emucore/Paddles.cxx
@@ -263,30 +263,25 @@ void Paddles::update()
   int sa_xaxis = myEvent.get(myP0AxisValue);
   int sa_yaxis = myEvent.get(myP1AxisValue);
 
-  const double fac1[MAX_DEJITTER - MIN_DEJITTER + 1] = {
+  const double bFac[MAX_DEJITTER - MIN_DEJITTER + 1] = {
     // higher values mean more dejitter strength
     0, // off
-    0.5, 0.6, 0.7, 0.8, 0.9,
-    0.5, 0.6, 0.7, 0.8, 0.9,
-    0.5, 0.6, 0.7, 0.8, 0.9,
-    0.5, 0.6, 0.7, 0.8, 0.9
+    0.50, 0.59, 0.67, 0.74, 0.80,
+    0.85, 0.89, 0.92, 0.94, 0.95
   };
-  const double fac2[MAX_DEJITTER - MIN_DEJITTER + 1] = {
+  const double dFac[MAX_DEJITTER - MIN_DEJITTER + 1] = {
     // lower values mean more dejitter strength
     1, // off
-    1.0 / 32 , 1.0 / 32 , 1.0 / 32 , 1.0 / 32 , 1.0 / 32 ,
-    1.0 / 64 , 1.0 / 64 , 1.0 / 64 , 1.0 / 64 , 1.0 / 64 ,
-    1.0 / 128, 1.0 / 128, 1.0 / 128, 1.0 / 128, 1.0 / 128,
-    1.0 / 256, 1.0 / 256, 1.0 / 256, 1.0 / 256, 1.0 / 256,
-
+    1.0 / 45 , 1.0 / 64 , 1.0 / 90 , 1.0 / 128, 1.0 / 181,
+    1.0 / 256, 1.0 / 362, 1.0 / 512, 1.0 / 724, 1.0 / 1024
   };
-  const double factor1 = fac1[DEJITTER];
-  const double factor2 = fac2[DEJITTER];
+  const double baseFactor = bFac[DEJITTER];
+  const double diffFactor = dFac[DEJITTER];
 
   if(abs(myLastAxisX - sa_xaxis) > 10)
   {
     // anti jitter, suppress small changes only
-    double dejitter = std::pow(factor1, abs(sa_xaxis - myLastAxisX) * factor2);
+    double dejitter = std::pow(baseFactor, abs(sa_xaxis - myLastAxisX) * diffFactor);
     sa_xaxis = sa_xaxis * (1 - dejitter) + myLastAxisX * dejitter;
 
     setPin(AnalogPin::Nine, Int32(MAX_RESISTANCE * ((32767 - Int16(sa_xaxis)) / 65536.0)));
@@ -295,7 +290,7 @@ void Paddles::update()
   if(abs(myLastAxisY - sa_yaxis) > 10)
   {
     // anti jitter, suppress small changes only
-    double dejitter = std::pow(factor1, abs(sa_yaxis - myLastAxisY) * factor2);
+    double dejitter = std::pow(baseFactor, abs(sa_yaxis - myLastAxisY) * diffFactor);
     sa_yaxis = sa_yaxis * (1 - dejitter) + myLastAxisY * dejitter;
 
     setPin(AnalogPin::Five, Int32(MAX_RESISTANCE * ((32767 - Int16(sa_yaxis)) / 65536.0)));
diff --git a/src/emucore/Paddles.hxx b/src/emucore/Paddles.hxx
index e5f95c139..5da866d12 100644
--- a/src/emucore/Paddles.hxx
+++ b/src/emucore/Paddles.hxx
@@ -52,7 +52,7 @@ class Paddles : public Controller
     static constexpr int MAX_DIGITAL_SENSE = 20;
     static constexpr int MAX_MOUSE_SENSE = 20;
     static constexpr int MIN_DEJITTER = 0;
-    static constexpr int MAX_DEJITTER = 20;
+    static constexpr int MAX_DEJITTER = 10;
 
     /**
       Update the entire digital and analog pin state according to the