Documentation on UNIX serial drivers

[Dick Heijne CCS/TS]

Another book I know of is "Implementing Device Drivers", published by
NCR Inc. Well written, but off course some examples point to NCR's
Unix implementation (on Tower's, but not to specific versions).
It incorporates all sorts of drivers: TTY, Vitual Disks, general RS232,
I/O boards, general character devices (tapes and everything) and
describes all sorts of considerations to make in respect to bus-vectors,
various hardware specifics, memory and how to finally implement things in
the kernel.
Thru the years it helped me a lot.
The ordernumber of the thing I have in front of me right now is D1-0713-A,
but there might be a successory release at the moment.

Dick.