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discsystem: add a utility method for my own use, no interest to anybody else

This commit is contained in:
zeromus 2017-09-07 22:39:06 -05:00
parent 7c1522cffe
commit 8d04dc32a9
1 changed files with 24 additions and 0 deletions
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24
BizHawk.Emulation.DiscSystem/Disc.cs
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@ -74,12 +74,36 @@ namespace BizHawk.Emulation.DiscSystem
}
}
/// <summary>
/// Easily extracts a mode1 sector range (suitable for extracting ISO FS data files)
/// </summary>
public byte[] Easy_Extract_Mode1(int lba_start, int lba_count, int byteLength = -1)
{
int totsize = lba_count * 2048;
byte[] ret = new byte[totsize];
var dsr = new DiscSectorReader(this);
dsr.Policy.DeterministicClearBuffer = false;
for (int i = 0; i < lba_count; i++)
{
dsr.ReadLBA_2048(lba_start + i, ret, i*2048);
}
if (byteLength != -1 && byteLength != totsize)
{
byte[] newret = new byte[byteLength];
Array.Copy(ret, newret, byteLength);
return newret;
}
return ret;
}
/// <summary>
/// The DiscMountPolicy used to mount the disc. Consider this read-only.
/// NOT SURE WE NEED THIS
/// </summary>
//public DiscMountPolicy DiscMountPolicy;
//----------------------------------------------------------------------------
/// <summary>