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GBhawkLink3x: linking

This commit is contained in:
alyosha-tas 2019-09-09 14:06:37 -04:00
parent ef6a7d56e1
commit 9f8eaa87de
3 changed files with 128 additions and 30 deletions
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138
BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawkLink3x/GBHawkLink3x.IEmulator.cs
View File

@ -76,14 +76,34 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
HardReset();
}
bool cablediscosignalNew = controller.IsPressed("Toggle Cable");
if (cablediscosignalNew && !_cablediscosignal)
if (controller.IsPressed("Toggle Cable LC") | controller.IsPressed("Toggle Cable CR") | controller.IsPressed("Toggle Cable RL"))
{
_cableconnected ^= true;
Console.WriteLine("Cable connect status to {0}", _cableconnected);
}
// if any connection exists, disconnect it
// otherwise connect in order of precedence
// only one event can happen per frame, either a connection or disconnection
if (_cableconnected_LC | _cableconnected_CR | _cableconnected_RL)
{
_cableconnected_LC = _cableconnected_CR = _cableconnected_RL = false;
do_2_next = false;
}
else if (controller.IsPressed("Toggle Cable LC"))
{
_cableconnected_LC = true;
}
else if (controller.IsPressed("Toggle Cable CR"))
{
_cableconnected_CR = true;
}
else if (controller.IsPressed("Toggle Cable RL"))
{
_cableconnected_RL = true;
}
_cablediscosignal = cablediscosignalNew;
Console.WriteLine("Cable connect status:");
Console.WriteLine("LC: " + _cableconnected_LC);
Console.WriteLine("CR: " + _cableconnected_CR);
Console.WriteLine("RL: " + _cableconnected_RL);
}
_islag = true;
@ -114,28 +134,86 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
C.do_single_step();
R.do_single_step();
// the signal to shift out a bit is when serial_clock = 1
if (((L.serialport.serial_clock == 1) || (L.serialport.serial_clock == 2)) && !do_r_next)
if (_cableconnected_LC)
{
if (_cableconnected)
// the signal to shift out a bit is when serial_clock = 1
if (((L.serialport.serial_clock == 1) || (L.serialport.serial_clock == 2)) && !do_2_next)
{
L.serialport.send_external_bit((byte)(L.serialport.serial_data & 0x80));
if ((R.serialport.clk_rate == -1) && R.serialport.serial_start)
if ((C.serialport.clk_rate == -1) && C.serialport.serial_start)
{
R.serialport.serial_clock = L.serialport.serial_clock;
R.serialport.send_external_bit((byte)(R.serialport.serial_data & 0x80));
R.serialport.coming_in = L.serialport.going_out;
C.serialport.serial_clock = L.serialport.serial_clock;
C.serialport.send_external_bit((byte)(C.serialport.serial_data & 0x80));
C.serialport.coming_in = L.serialport.going_out;
}
L.serialport.coming_in = R.serialport.going_out;
L.serialport.coming_in = C.serialport.going_out;
}
else if ((C.serialport.serial_clock == 1) || (C.serialport.serial_clock == 2))
{
do_2_next = false;
C.serialport.send_external_bit((byte)(C.serialport.serial_data & 0x80));
if ((L.serialport.clk_rate == -1) && L.serialport.serial_start)
{
L.serialport.serial_clock = C.serialport.serial_clock;
L.serialport.send_external_bit((byte)(L.serialport.serial_data & 0x80));
L.serialport.coming_in = C.serialport.going_out;
}
C.serialport.coming_in = L.serialport.going_out;
if (C.serialport.serial_clock == 2) { do_2_next = true; }
}
else
{
do_2_next = false;
}
}
else if ((R.serialport.serial_clock == 1) || (R.serialport.serial_clock == 2))
else if (_cableconnected_CR)
{
do_r_next = false;
// the signal to shift out a bit is when serial_clock = 1
if (((C.serialport.serial_clock == 1) || (C.serialport.serial_clock == 2)) && !do_2_next)
{
C.serialport.send_external_bit((byte)(C.serialport.serial_data & 0x80));
if (_cableconnected)
if ((R.serialport.clk_rate == -1) && R.serialport.serial_start)
{
R.serialport.serial_clock = C.serialport.serial_clock;
R.serialport.send_external_bit((byte)(R.serialport.serial_data & 0x80));
R.serialport.coming_in = C.serialport.going_out;
}
C.serialport.coming_in = R.serialport.going_out;
}
else if ((R.serialport.serial_clock == 1) || (R.serialport.serial_clock == 2))
{
do_2_next = false;
R.serialport.send_external_bit((byte)(R.serialport.serial_data & 0x80));
if ((C.serialport.clk_rate == -1) && C.serialport.serial_start)
{
C.serialport.serial_clock = R.serialport.serial_clock;
C.serialport.send_external_bit((byte)(C.serialport.serial_data & 0x80));
C.serialport.coming_in = R.serialport.going_out;
}
R.serialport.coming_in = C.serialport.going_out;
if (R.serialport.serial_clock == 2) { do_2_next = true; }
}
else
{
do_2_next = false;
}
}
else if (_cableconnected_RL)
{
// the signal to shift out a bit is when serial_clock = 1
if (((R.serialport.serial_clock == 1) || (R.serialport.serial_clock == 2)) && !do_2_next)
{
R.serialport.send_external_bit((byte)(R.serialport.serial_data & 0x80));
@ -148,14 +226,30 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
R.serialport.coming_in = L.serialport.going_out;
}
else if ((L.serialport.serial_clock == 1) || (L.serialport.serial_clock == 2))
{
do_2_next = false;
if (R.serialport.serial_clock == 2) { do_r_next = true; }
}
else
{
do_r_next = false;
L.serialport.send_external_bit((byte)(L.serialport.serial_data & 0x80));
if ((R.serialport.clk_rate == -1) && R.serialport.serial_start)
{
R.serialport.serial_clock = L.serialport.serial_clock;
R.serialport.send_external_bit((byte)(R.serialport.serial_data & 0x80));
R.serialport.coming_in = L.serialport.going_out;
}
L.serialport.coming_in = R.serialport.going_out;
if (L.serialport.serial_clock == 2) { do_2_next = true; }
}
else
{
do_2_next = false;
}
}
// if we hit a frame boundary, update video
if (L.vblank_rise)
{

11
BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawkLink3x/GBHawkLink3x.IStatable.cs
View File

@ -14,6 +14,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
public void SaveStateText(TextWriter writer)
{
L.SaveStateText(writer);
C.SaveStateText(writer);
R.SaveStateText(writer);
SyncState(new Serializer(writer));
}
@ -21,6 +22,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
public void LoadStateText(TextReader reader)
{
L.LoadStateText(reader);
C.LoadStateText(reader);
R.LoadStateText(reader);
SyncState(new Serializer(reader));
}
@ -28,6 +30,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
public void SaveStateBinary(BinaryWriter bw)
{
L.SaveStateBinary(bw);
C.SaveStateBinary(bw);
R.SaveStateBinary(bw);
// other variables
SyncState(new Serializer(bw));
@ -36,6 +39,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
public void LoadStateBinary(BinaryReader br)
{
L.LoadStateBinary(br);
C.LoadStateBinary(br);
R.LoadStateBinary(br);
// other variables
SyncState(new Serializer(br));
@ -57,9 +61,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
ser.Sync("Lag", ref _lagcount);
ser.Sync("Frame", ref _frame);
ser.Sync("IsLag", ref _islag);
ser.Sync(nameof(_cableconnected), ref _cableconnected);
ser.Sync(nameof(_cablediscosignal), ref _cablediscosignal);
ser.Sync(nameof(do_r_next), ref do_r_next);
ser.Sync(nameof(_cableconnected_LC), ref _cableconnected_LC);
ser.Sync(nameof(_cableconnected_CR), ref _cableconnected_CR);
ser.Sync(nameof(_cableconnected_RL), ref _cableconnected_RL);
ser.Sync(nameof(do_2_next), ref do_2_next);
_controllerDeck.SyncState(ser);
}
}

9
BizHawk.Emulation.Cores/Consoles/Nintendo/GBHawkLink3x/GBHawkLink3x.cs
View File

@ -22,12 +22,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBHawkLink3x
public GBHawk.GBHawk R;
// if true, the link cable is currently connected
private bool _cableconnected = true;
private bool _cableconnected_LC = false;
private bool _cableconnected_CR = false;
private bool _cableconnected_RL = false;
// if true, the link cable toggle signal is currently asserted
private bool _cablediscosignal = false;
private bool do_r_next = false;
private bool do_2_next = false;
//[CoreConstructor("GB", "GBC")]
public GBHawkLink3x(CoreComm comm, GameInfo game_L, byte[] rom_L, GameInfo game_C, byte[] rom_C, GameInfo game_R, byte[] rom_R, /*string gameDbFn,*/ object settings, object syncSettings)