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PICList Thread
'mpsim and the 16F84'
1997\03\12@113111 by Martin McCormick

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       I was looking over the documentation for mpsim and noticed that it
simulates everything between 16C5x and 16C7x but not the 16C or 16F84.
I think the 16F84 is functionally fairly close to one of the PIC's which
is covered by mpsim so my question is whether or not I can use mpsim to
develop code which is meant for a 16F84?  Of course the best thing is to
use the exact target system that is being simulated, but close would probably
count for general program logic.

Martin McCormick WB5AGZ  Stillwater, OK 36.7N97.4W
OSU Center for Computing and Information Services Data Communications Group

1997\03\12@205603 by Andy Kunz

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At 10:26 AM 3/12/97 -0600, you wrote:
>        I was looking over the documentation for mpsim and noticed that it
>simulates everything between 16C5x and 16C7x but not the 16C or 16F84.
>I think the 16F84 is functionally fairly close to one of the PIC's which
>is covered by mpsim so my question is whether or not I can use mpsim to
>develop code which is meant for a 16F84?  Of course the best thing is to
>use the exact target system that is being simulated, but close would probably
>count for general program logic.

Martin,

As long as you aren't trying to use the 'F84's larger RAM size, nor it's
EEPROM, you can use any of the 6x/7x chips, basically, to do what you want.

The important thing is to understand what the differences are between them.

This is commonly done.  FWIW, Microchip requires you to use the PIC16C54/55
to emulate the 12C508/509 parts, and it's up to you to handle the '508/9's
differences like Internal RC, FR 0x05, and RB pullups.

Go ahead!

Andy

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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
         Hardware & Software for Industry & R/C Hobbies
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