[Forum] Try only to realise the truth | ANN.lu |
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Try only to realise the truth : Comment 271 of 335 | ANN.lu |
Posted by Fabio Alemagna on 06-Jul-2004 15:26 GMT | In reply to Comment 265 (Sammy Nordström): > Even if the DMA is lacking a feature, the AmigaOne is not lacking a DMA and the
> DMA is all I was talking about.
Then you've been talking about the wrong thing all along, Sammy.
No one ever said the AmigaONE doesn't have DMA, what's been said is that DMA is not working properly, meaning that the whole system does not work properly when DMA is enabled, because the NB is lacking an essential feature which all modern drivers for desktop operating systems expect. It can be worked around in SW but, as Bernie explained eloquently, the only way to work it around in SW and</b< avoid all race conditions is to use a bounce buffer, in which case I'm sure even you, who claim to be a programmer, will acknwoledge that the whole purpose of DMA is defeated. |
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