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Add driving controller fixes for 6.7.1 release.

This commit is contained in:
Stephen Anthony 2024-01-05 21:47:27 -03:30
parent 16d034cc5e
commit 250839f916
2 changed files with 25 additions and 7 deletions
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22
src/emucore/Driving.cxx
View File

@ -8,7 +8,7 @@
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2022 by Bradford W. Mott, Stephen Anthony
// Copyright (c) 1995-2023 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
@ -114,16 +114,23 @@ void Driving::updateControllerAxes()
{
// Digital events (from keyboard or joystick hats & buttons)
const int d_axis = myEvent.get(myXAxisValue);
const Int32 oldCounterHires = myCounterHires;
if(myEvent.get(myCCWEvent) != 0 || d_axis < -16384)
if(myEvent.get(myCCWEvent) != 0 && myLastCCWEvent == 0)
myCounterHires = ((myGrayIndex + 4) * 256.0F) / SENSITIVITY - 1; // set to end of previous counter interval
else if(myEvent.get(myCWEvent) != 0 && myLastCWEvent == 0)
myCounterHires = ((myGrayIndex + 1) * 256.0F) / SENSITIVITY; // set to begin of next counter interval
else if(myEvent.get(myCCWEvent) != 0 || d_axis < -16384)
myCounterHires -= 64;
else if(myEvent.get(myCWEvent) != 0 || d_axis > 16384)
myCounterHires += 64;
myLastCCWEvent = myEvent.get(myCCWEvent);
myLastCWEvent = myEvent.get(myCWEvent);
// Analog events (from joystick axes)
const int a_axis = myEvent.get(myAnalogEvent);
if( abs(a_axis) > Controller::analogDeadZone())
if(abs(a_axis) > Controller::analogDeadZone())
{
/* a_axis is in -2^15 to +2^15-1; adding 1 when non-negative and
dividing by 2^9 gives us -2^6 to +2^6, which gives us the same
@ -132,13 +139,15 @@ void Driving::updateControllerAxes()
myCounterHires += (a_axis/512) + (a_axis >= 0);
}
// Only consider the lower-most bits (corresponding to pins 1 & 2)
myGrayIndex = static_cast<Int32>((myCounterHires / 256.0F) * SENSITIVITY) & 0b11;
if(oldCounterHires != myCounterHires)
// Only consider the lower-most bits (corresponding to pins 1 & 2)
myGrayIndex = static_cast<Int32>((myCounterHires / 256.0F) * SENSITIVITY) & 0b11;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void Driving::updateMouseAxes()
{
const Int32 oldCounter = myCounter;
static constexpr int MJ_Threshold = 2;
// Mouse motion and button events
@ -171,6 +180,8 @@ void Driving::updateMouseAxes()
++myCounter;
}
}
if(myCounter != oldCounter)
myGrayIndex = (myCounter >> 2) & 0b11;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -199,6 +210,7 @@ void Driving::updateStelladaptorAxes()
// simulated gray codes generated by PC keyboard or PC joystick
// Must be rounded into the middle of the myCounter interval!
myCounter = (myGrayIndex + 0.5F) * 4.0F / SENSITIVITY;
myCounterHires = myCounter * 256.0F / 4.0F;
}
}

10
src/emucore/Driving.hxx
View File

@ -8,7 +8,7 @@
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2022 by Bradford W. Mott, Stephen Anthony
// Copyright (c) 1995-2023 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
@ -95,7 +95,13 @@ class Driving : public Controller
Int32 myCounter{0};
// Higher resolution counter for analog (non-Stelladaptor) inputs
uInt32 myCounterHires{0};
Int32 myCounterHires{0};
// Previous digital CCW event
Int32 myLastCCWEvent{0};
// Previous digital CW event
Int32 myLastCWEvent{0};
// Index into the gray code table
uInt32 myGrayIndex{0};