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C# changes for fixing GPGX drive light

This commit is contained in:
CasualPokePlayer 2024-04-26 13:51:20 -07:00
parent f9b8a775b0
commit f1dec3dd07
2 changed files with 11 additions and 4 deletions
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13
src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.cs
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@ -38,7 +38,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
}
// internally, the core caches disc sectors read into the invisible heap
var discBufferSize = lp.Discs.Sum(d => d.DiscData.Session1.LeadoutLBA * 2448);
var discBufferSize = lp.Discs.Sum(d => d.DiscData.Session1.LeadoutLBA * 2448 + d.DiscData.Session1.LeadoutLBA);
discBufferSize += 1024 - discBufferSize % 1024;
_elf = new WaterboxHost(new WaterboxOptions
@ -283,8 +283,16 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
private readonly byte[] _sectorBuffer = new byte[2448];
private void CDRead(int lba, IntPtr dest, bool subcode)
private void CDRead(int lba, IntPtr dest, bool subcode, bool driveLight)
{
// the core does caching of CD reads, so it doesn't need to callback to read the disc that often
// however, it still needs to callback to signal the drive light to be turned on
if (driveLight)
{
_driveLight = true;
return;
}
if ((uint)_discIndex < _cds.Length)
{
if (subcode)
@ -296,7 +304,6 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
{
_cdReaders[_discIndex].ReadLBA_2352(lba, _sectorBuffer, 0);
Marshal.Copy(_sectorBuffer, 0, dest, 2352);
_driveLight = true;
}
}
}

2
src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/LibGPGX.cs
View File

@ -277,7 +277,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
public const int CD_MAX_TRACKS = 100;
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate void cd_read_cb(int lba, IntPtr dest, [MarshalAs(UnmanagedType.Bool)] bool subcode);
public delegate void cd_read_cb(int lba, IntPtr dest, [MarshalAs(UnmanagedType.Bool)] bool subcode, [MarshalAs(UnmanagedType.Bool)] bool driveLight);
[StructLayout(LayoutKind.Sequential)]
public struct CDTrack