How many of you like HP41C calculators?

From: Joe <rigdonj_at_cfl.rr.com>
Date: Tue Nov 18 19:21:10 2003

At 01:49 PM 11/18/03 -0800, you wrote:
>On Mon, 2003-11-17 at 17:58, Joe wrote:
>
>>
>> >I am not sure if it's a calculator or computer :-).
>
>> I agree. It has all the requirements. User input output, device I/O,
>> mass storage, programability, etc. And it's not limited to one function per
>> key as most calculators.
>
>But is it STORED PROGRAM, eg. can it do self-modifying code.

  Yes.

 vonNeumann
>(one store for program and data; programs ARE data) or Harvard
>(instructions are in a separate store from data memory) architecture?

   It uses one memory area but there is a curtain that partitions it into
separate data and program areas. But you can access either area and/or move
the curtain on the fly by using synthetic programming techniques.

   Joe


>
>Strictly-speaking, Microchip's PICs are NOT COMPUTERS. Of course I don't
>make that distinction when working with them.
>
>"Programmability" isn't a measure of a 'stored program electronic
>automatic computer'. My washing machine is programmable... :-)
>
Received on Tue Nov 18 2003 - 19:21:10 GMT