public void ApplyModificationIfNeeded(IRomByte romByte)
{
romByte.Lock.EnterUpgradeableReadLock();
try
{
CompareToExisting(romByte);
if (changed)
{
ApplyModification(romByte);
}
}
finally
{
romByte.Lock.ExitUpgradeableReadLock();
}
}
// precondition: rombyte (minimum of) read lock already acquired
private void ApplyModification(IRomByte romByte)
{
romByte.Lock.EnterWriteLock();
try
{
romByte.TypeFlag = FlagType;
romByte.DataBank = (byte)DataBank;
romByte.DirectPage = 0xFFFF & DirectPage;
romByte.XFlag = XFlagSet;
romByte.MFlag = MFlagSet;
}
finally
{
romByte.Lock.ExitWriteLock();
}
}
