I'm not sure if I'm on the right track but is the configuration word set
properly?
Rick

Chris Sharman wrote:

> Hi
>
> I have in the last week or so been trying introduce myself to PIC
> programming, to control a robot i'm building.
>
> i built kit 96 from www.jaycar.com.au or www.dontronics.com which is very
> similiar to a lot of kit available.
>
> anyway the circuit seems ok, i have +5V and +13V where i should. and i've
> been over the soldering a number of times. Even replaced a couple of
> components
>
> when i run picallw.exe the hardware testing works ok, and i can read 2
> PIC16F84's which are new and presumably blank. The read command returns a
> bunch of zeros. When i load an example hex file and attempt to program the
> pic i always get the same error:
>
> Program error:
>
> Program: address=0000 buffer=3000 device=0000
>
> this is also the same error if i try the same thing no pic inserted at all.
> Does this imply that the software isn't communicating with the pic at all?,
> and only claims to be reading the blank pic? The blankcheck also says the
> pic isn't blank even after running the erase command.
>
> Also if i run the program command just after the read command (blank zeros)
> it claims to succeed?
> and i have the same problem if the programmer is plugged directly into the
> back of the PC or not
>
> What bios parallel port settings should be used? my motherboard defaults to
> SPP, which it is on at the moment.
>
> Anyway i'm stuck....
>
> i thought my pic was fried, so i bought another and was very careful not to
> touch the pins and keep myself discharged, but the same old thing
> happens....
>
> help!?
>
> Does the picallw software know when its not communicating with the pic?
>
> Anyway thanks for any help
>
> cheers
>
> Chris
>
> --
> csharman@postoffice.utas.edu.au
>
> --
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