On Thu, 13 May 2004 12:57:52 -0400
Paul Koning <pkoning_at_equallogic.com> wrote:
> Brad> The idea is that the cpld holds a register set which the PIC
> Brad> and unibus can read/write
[...]
> For older disk controllers, this approach is likely to be hard because
> touching CSRs causes actions to take place,
Programm and wire the CPLD so that it generates an interrupt to the PIC
when the register file is touched. Issue a vector along with the
interrupt that tels the PIC which CSR was touched.
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
Received on Thu May 13 2004 - 13:16:50 BST