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L68K: RE: New atyfb.c patch

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Petr Stehlik

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Sep 28, 1998, 3:00:00 AM9/28/98
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(Forwarded from the linux-m68k mailing list)

> as should. It may however be that the real dac subtype has to
> be read from the ROM. The clock type can also be read fromm
> ROM only. Tat is a problem on my card because I see only the
> even bytes of my ROM :-(

When I was playing with direct programming of Mach64 under TOS I suddenly
got into some mode that only even bytes of videoram were working. The odd
bytes were all set to 0xff and not writable. That happened when I tried to
use the Hades driver on Falcon. I don't know why though, as the code of
Hades driver was nearly identical to code of Falcon NOVA driver.

So perhaps your problem with even bytes in ROM might be solved by a
different programming of the Mach64 interface (just guessing).

Petr


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