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stella
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Improved the keyboard controller emulation so that several other games 

works (i.e., Alpha Beam with Ernie, Oscar's Trash Race, and Magicard).


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1278 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
bwmott 2007-01-13 20:39:48 +00:00
parent e02603ec02
commit 309fbe2e94
1 changed files with 103 additions and 99 deletions
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202
stella/src/emucore/Keyboard.cxx
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@ -13,7 +13,7 @@
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: Keyboard.cxx,v 1.7 2007-01-05 17:54:23 stephena Exp $
// $Id: Keyboard.cxx,v 1.8 2007-01-13 20:39:48 bwmott Exp $
//============================================================================
#include "Event.hxx"
@ -34,28 +34,42 @@ Keyboard::~Keyboard()
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool Keyboard::read(DigitalPin pin)
{
if(pin == Six)
switch(pin)
{
if((myPinState & 0x01) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero3) == 0) :
(myEvent.get(Event::KeyboardOne3) == 0);
}
else if((myPinState & 0x02) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero6) == 0) :
(myEvent.get(Event::KeyboardOne6) == 0);
}
else if((myPinState & 0x04) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero9) == 0) :
(myEvent.get(Event::KeyboardOne9) == 0);
}
else if((myPinState & 0x08) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZeroPound) == 0) :
(myEvent.get(Event::KeyboardOnePound) == 0);
}
case One:
return (myPinState & 0x01);
case Two:
return (myPinState & 0x02);
case Three:
return (myPinState & 0x04);
case Four:
return (myPinState & 0x08);
case Six:
if((myPinState & 0x01) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero3) == 0) :
(myEvent.get(Event::KeyboardOne3) == 0);
}
else if((myPinState & 0x02) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero6) == 0) :
(myEvent.get(Event::KeyboardOne6) == 0);
}
else if((myPinState & 0x04) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZero9) == 0) :
(myEvent.get(Event::KeyboardOne9) == 0);
}
else if((myPinState & 0x08) == 0)
{
return (myJack == Left) ? (myEvent.get(Event::KeyboardZeroPound) == 0) :
(myEvent.get(Event::KeyboardOnePound) == 0);
}
break;
}
return true;
@ -64,118 +78,108 @@ bool Keyboard::read(DigitalPin pin)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Int32 Keyboard::read(AnalogPin pin)
{
// NOTE: maximumResistance = GND, while minimumResistance = +5V
if(pin == Nine)
{
if((myPinState & 0x01) == 0)
if(myJack == Left)
{
if(myJack == Left)
if(!(myPinState & 0x01) && (myEvent.get(Event::KeyboardZero1) != 0))
{
return (myEvent.get(Event::KeyboardZero1) != 0) ?
maximumResistance : minimumResistance;
return maximumResistance;
}
else if(!(myPinState & 0x02) && (myEvent.get(Event::KeyboardZero4) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x04) && (myEvent.get(Event::KeyboardZero7) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x08) && (myEvent.get(Event::KeyboardZeroStar) != 0))
{
return maximumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne1) != 0) ?
maximumResistance : minimumResistance;
return minimumResistance;
}
}
else if((myPinState & 0x02) == 0)
else
{
if(myJack == Left)
if(!(myPinState & 0x01) && (myEvent.get(Event::KeyboardOne1) != 0))
{
return (myEvent.get(Event::KeyboardZero4) != 0) ?
maximumResistance : minimumResistance;
return maximumResistance;
}
else if(!(myPinState & 0x02) && (myEvent.get(Event::KeyboardOne4) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x04) && (myEvent.get(Event::KeyboardOne7) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x08) && (myEvent.get(Event::KeyboardOneStar) != 0))
{
return maximumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne4) != 0) ?
maximumResistance : minimumResistance;
}
}
else if((myPinState & 0x04) == 0)
{
if(myJack == Left)
{
return (myEvent.get(Event::KeyboardZero7) != 0) ?
maximumResistance : minimumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne7) != 0) ?
maximumResistance : minimumResistance;
}
}
else if((myPinState & 0x08) == 0)
{
if(myJack == Left)
{
return (myEvent.get(Event::KeyboardZeroStar) != 0) ?
maximumResistance : minimumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOneStar) != 0) ?
maximumResistance : minimumResistance;
return minimumResistance;
}
}
}
else
{
if((myPinState & 0x01) == 0)
if(myJack == Left)
{
if(myJack == Left)
if(!(myPinState & 0x01) && (myEvent.get(Event::KeyboardZero2) != 0))
{
return (myEvent.get(Event::KeyboardZero2) != 0) ?
maximumResistance : minimumResistance;
return maximumResistance;
}
else if(!(myPinState & 0x02) && (myEvent.get(Event::KeyboardZero5) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x04) && (myEvent.get(Event::KeyboardZero8) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x08) && (myEvent.get(Event::KeyboardZero0) != 0))
{
return maximumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne2) != 0) ?
maximumResistance : minimumResistance;
return minimumResistance;
}
}
else if((myPinState & 0x02) == 0)
else
{
if(myJack == Left)
if(!(myPinState & 0x01) && (myEvent.get(Event::KeyboardOne2) != 0))
{
return (myEvent.get(Event::KeyboardZero5) != 0) ?
maximumResistance : minimumResistance;
return maximumResistance;
}
else if(!(myPinState & 0x02) && (myEvent.get(Event::KeyboardOne5) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x04) && (myEvent.get(Event::KeyboardOne8) != 0))
{
return maximumResistance;
}
else if(!(myPinState & 0x08) && (myEvent.get(Event::KeyboardOne0) != 0))
{
return maximumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne5) != 0) ?
maximumResistance : minimumResistance;
}
}
else if((myPinState & 0x04) == 0)
{
if(myJack == Left)
{
return (myEvent.get(Event::KeyboardZero8) != 0) ?
maximumResistance : minimumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne8) != 0) ?
maximumResistance : minimumResistance;
}
}
else if((myPinState & 0x08) == 0)
{
if(myJack == Left)
{
return (myEvent.get(Event::KeyboardZero0) != 0) ?
maximumResistance : minimumResistance;
}
else
{
return (myEvent.get(Event::KeyboardOne0) != 0) ?
maximumResistance : minimumResistance;
return minimumResistance;
}
}
}
return maximumResistance;
return minimumResistance;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -