UCSD PASCAL (P-system) P-code Was:(Why is it that ...) - test-drb@ccmp.vtda.org

30 Nov 2000

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

...
  > OK, this brings up two questions.  Can it use
RX50's (I'm guessing not),

...
  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 RT-11
...
  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