ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

neshawk - support the board UNIF_BMC-12-IN-1

This commit is contained in:
adelikat 2016-10-28 10:27:39 -05:00
parent ee7a70524d
commit 9992780c4d
2 changed files with 125 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
View File

@ -751,6 +751,7 @@
<Compile Include="Consoles\Nintendo\NES\Boards\TENGEN-800032.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\TENGEN_800008.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF-DREAMTECH01.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-12-IN-1.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-190in1.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-64in1-NR.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-8157.cs" />
@ -780,7 +781,7 @@
<Compile Include="Consoles\Nintendo\NES\Boards\VRC3.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\VRC6.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\VRC7.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\VS_M99.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\VS_M99.cs" />
<Compile Include="Consoles\Nintendo\NES\BisqAPU.cs" />
<Compile Include="Consoles\Nintendo\NES\FDS\FDS.cs" />
<Compile Include="Consoles\Nintendo\NES\FDS\FDSAudio.cs" />
@ -1191,4 +1192,4 @@
<Target Name="AfterBuild">
</Target>
-->
</Project>
</Project>

122
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_BMC-12-IN-1.cs Normal file
View File

@ -0,0 +1,122 @@
using BizHawk.Common;
using BizHawk.Common.NumberExtensions;
namespace BizHawk.Emulation.Cores.Nintendo.NES
{
public sealed class UNIF_BMC_12_IN_1 : NES.NESBoardBase
{
private ByteBuffer regs = new ByteBuffer(2);
private byte ctrl;
public override bool Configure(NES.EDetectionOrigin origin)
{
switch (Cart.board_type)
{
case "UNIF_BMC-12-IN-1":
break;
default:
return false;
}
return true;
}
public override void SyncState(Serializer ser)
{
ser.Sync("regs", ref regs);
ser.Sync("ctrl", ref ctrl);
base.SyncState(ser);
}
public override void Dispose()
{
regs.Dispose();
base.Dispose();
}
public override void WritePRG(int addr, byte value)
{
addr += 0x8000;
switch (addr & 0xE000)
{
case 0xA000:
regs[0] = value;
SetMirroring(ctrl.Bit(2));
break;
case 0xC000:
regs[1] = value;
SetMirroring(ctrl.Bit(2));
break;
case 0xE000:
ctrl = (byte)(value & 0x0F);
SetMirroring(ctrl.Bit(2));
break;
}
}
private void SetMirroring(bool horizontal)
{
if (horizontal)
{
SetMirrorType(EMirrorType.Horizontal);
}
else
{
SetMirrorType(EMirrorType.Vertical);
}
}
public override byte ReadPPU(int addr)
{
if (addr < 0x2000)
{
int basebank = (ctrl & 3) << 3;
int bank = 0;
if (addr < 0x1000)
{
bank = regs[0] >> 3 | (basebank << 2);
}
else
{
bank = regs[1] >> 3 | (basebank << 2);
}
return VROM[(bank << 12) + (addr & 0xFFF)];
}
return base.ReadPPU(addr);
}
public override byte ReadPRG(int addr)
{
var basebank = (ctrl & 3) << 3;
int bank = 0;
if (ctrl.Bit(3))
{
if (addr < 0x4000)
{
bank = basebank | (regs[0] & 6) | 0;
}
else
{
bank = basebank | (regs[0] & 6) | 1;
}
}
else
{
if (addr < 0x4000)
{
bank = basebank | (regs[0] & 7);
}
else
{
bank = basebank | 7;
}
}
return ROM[(bank << 14) + (addr & 0x3FFF)];
}
}
}