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fix PCECD and PCFX hashing for retroachievements

This commit is contained in:
CasualPokePlayer 2023-02-09 10:26:25 -08:00
parent a61be6ba2b
commit 8c2751bb58
1 changed files with 20 additions and 6 deletions
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26
src/BizHawk.Client.EmuHawk/RetroAchievements/RetroAchievements.GameVerification.cs
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@ -28,30 +28,44 @@ namespace BizHawk.Client.EmuHawk
var buf2048 = new byte[2048];
var buffer = new List<byte>();
int FirstDataTrackLBA()
{
var toc = disc.TOC;
for (var t = toc.FirstRecordedTrackNumber; t <= toc.LastRecordedTrackNumber; t++)
{
if (toc.TOCItems[t]
.IsData) return toc.TOCItems[t].LBA;
}
throw new InvalidOperationException("Could not find first data track for hashing");
}
switch (consoleID)
{
case ConsoleID.PCEngineCD:
{
dsr.ReadLBA_2048(1, buf2048, 0);
var slba = FirstDataTrackLBA();
dsr.ReadLBA_2048(slba + 1, buf2048, 0);
buffer.AddRange(new ArraySegment<byte>(buf2048, 128 - 22, 22));
var bootSector = (buf2048[2] << 16) | (buf2048[1] << 8) | buf2048[0];
var bootSector = (buf2048[0] << 16) | (buf2048[1] << 8) | buf2048[2];
var numSectors = buf2048[3];
for (int i = 0; i < numSectors; i++)
for (var i = 0; i < numSectors; i++)
{
dsr.ReadLBA_2048(bootSector + i, buf2048, 0);
dsr.ReadLBA_2048(slba + bootSector + i, buf2048, 0);
buffer.AddRange(buf2048);
}
break;
}
case ConsoleID.PCFX:
{
dsr.ReadLBA_2048(1, buf2048, 0);
var slba = FirstDataTrackLBA();
dsr.ReadLBA_2048(slba + 1, buf2048, 0);
buffer.AddRange(new ArraySegment<byte>(buf2048, 0, 128));
var bootSector = (buf2048[35] << 24) | (buf2048[34] << 16) | (buf2048[33] << 8) | buf2048[32];
var numSectors = (buf2048[39] << 24) | (buf2048[38] << 16) | (buf2048[37] << 8) | buf2048[36];
for (var i = 0; i < numSectors; i++)
{
dsr.ReadLBA_2048(bootSector + i, buf2048, 0);
dsr.ReadLBA_2048(slba + bootSector + i, buf2048, 0);
buffer.AddRange(buf2048);
}
break;