| Re: [hatari-devel] Problem with ACSI/DMA: Command is not executed |
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- To: hatari-devel@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [hatari-devel] Problem with ACSI/DMA: Command is not executed
- From: Uwe Seimet <Uwe.Seimet@xxxxxxxxx>
- Date: Fri, 11 Oct 2013 22:07:46 +0200
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> In the meantime I might have found another problem in hdc.c.
> HDC_Cmd_ReadCapacity() increments the DMA address while storing the 8
> result bytes but then it explicitly increments the addrese once again by 8:
>
> /* Update DMA counter */
> FDC_WriteDMAAddress(nDmaAddr + 8);
>
> I don't think this is correct but rather should be:
>
> FDC_WriteDMAAddress(nDmaAddr);
This is strange, HDC_Cmd_ModeSense also increments and additionally adds
16 bytes. I'm confused now whether this is right or wrong.
Take care
Uwe