UCSD PASCAL (P-system) P-code Was:(Why is it that ...)

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Fri Dec 1 03:20:36 2000

On Nov 30, 22:59, Jerome Fine wrote:

> > OK, this brings up two questions. Can it use RX50's (I'm guessing

> Having never used Pascal very much,

Pascal != UCSD p-System, though.

> RT-11 does not normally distinguish
> between different devices.


> In general (almost always), applications NEVER know anything about the
> internals of a device driver - which is why a device driver is used in
> to separate the application program from the hardware and let standard
> I/O calls to RT-11 and then to the actual device be transparent.

True, but the UCSD p-System isn't a language, it's an operating system,
with its own device drivers. It doesn't run under RT-11, just happens to
have similar minimum requirements. As far as I know, it doesn't have a
driver for RX50/MSCP.

Pete						Peter Turnbull
						Network Manager
						Dept. of Computer Science
						University of York
Received on Fri Dec 01 2000 - 03:20:36 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:32:47 BST