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#fill_rom not working properly

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edbfmi1

Joined: 18 Jul 2006
Posts: 103

#fill_rom not working properly

Posted: Tue Feb 02, 2010 10:34 am

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Hello I am running PCM4.103 (I think) on my desk top and on my notebook computer.

My desktop is running MPLAB version 5.70.40 and my notebook is running MPLAB versiion 8.36.

I am compiling code for a PIC16f73 processor and I use the #fill_rom to set all unused rom to zero with the following code:

Code:

#include <16f73.h>
#use delay(clock=4000000)
#FILL_ROM 0x00
#FUSES HS,NOWDT,BROWNOUT,PUT

This is the first lines of code in my file.

When I look at the program memory for the code compiled using MPLAB version 8.36 it fills the unused ram with 3fff instead of 0000.

When I compile it on the MPLAB version 5.70.40 it fills the ram with the expected 0000.

Any ideas what I am missing here?

Thanks.

PCM programmer

Joined: 06 Sep 2003
Posts: 21708


Posted: Tue Feb 02, 2010 2:34 pm

The .HEX file still has the 0x00 bytes in it, for MPLAB vs. 8.36.

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