DEC RK07 drive interface specs wanted

From: Jochen Kunz <>
Date: Thu May 13 13:16:50 2004

On Thu, 13 May 2004 12:57:52 -0400
Paul Koning <> 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.
Received on Thu May 13 2004 - 13:16:50 BST

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