tdfx's use of PIOOffset

Jeremy Huddleston jeremyhu at
Wed Oct 19 00:53:55 PDT 2011

So the tdfx driver has this hunk of code in it currently does the following:

  hwp->PIOOffset = pTDFX->PIOBase[0] - 0x300;

Can someone please explain to me why it's doing that?

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