13 May
2004
13 May
'04
6:16 a.m.
On Thu, 13 May 2004 12:57:52 -0400
Paul Koning <pkoning(a)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/