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Adds missing inputs 

3 input ports were never implemeneted, now they are
This commit is contained in:
alyosha-tas 2016-05-31 09:13:05 -04:00
parent d0c7d81de5
commit f6b74a97e6
1 changed files with 45 additions and 4 deletions
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49
BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
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@ -1121,16 +1121,57 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
mask = 0x3f;
}
// inputs 0-3 are measured by a charging capacitor, these inputs are used with the paddles and the keyboard
// Changing the hard coded value will change the paddle position. The range seems to be roughly 0-56000 according to values from stella
// 6105 roughly centers the paddle in Breakout
if (maskedAddr == 0x08) // INPT0
{
// Changing the hard coded value will change the paddle position. The range seems to be roughly 0-56000 according to values from stella
// 6105 roughly centers the paddle in Breakout
if (_capCharging && _core.Cpu.TotalExecutedCycles - _capChargeStart >= 6105)
{
coll=0x80;
}
} else
{
coll = 0x00;
}
mask = 0x7f;
}
coll=0x00;
if (maskedAddr == 0x09) // INPT1
{
if (_capCharging && _core.Cpu.TotalExecutedCycles - _capChargeStart >= 6105)
{
coll = 0x80;
}
else
{
coll = 0x00;
}
mask = 0x7f;
}
if (maskedAddr == 0x0A) // INPT2
{
if (_capCharging && _core.Cpu.TotalExecutedCycles - _capChargeStart >= 6105)
{
coll = 0x80;
}
else
{
coll = 0x00;
}
mask = 0x7f;
}
if (maskedAddr == 0x0B) // INPT3
{
if (_capCharging && _core.Cpu.TotalExecutedCycles - _capChargeStart >= 6105)
{
coll = 0x80;
}
else
{
coll = 0x00;
}
mask = 0x7f;
}