William Levak wrote:
>
> On Sun, 23 Jul 2000, Larry Anderson wrote:
>
> > and the 'address' for the port is 64784 ($FD10)
> >
> > but I cannot find an entry for the cooresponding Data Direction Register
> > which assigns the bits as input or output.... :/
>
> There isn't one. This is a 6529 single port interface (data sheet on
> funet). When you read that address, all 8 data lines are read. When you
> write, all 8 data lines are written.
That's like the PET then, the DDR on it does not do much in relation to
this interface (on the VIC and 64 the DDR is very important)... so I'll
just define an unused location in the BASIC example.
Thanks!
--
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Larry Anderson - Sysop of Silicon Realms BBS (209) 754-1363
300-14.4k bps
Classic Commodore pages at: http://www.jps.net/foxnhare/commodore.html
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