Re: ROM-functions

Hi Rob

Thans, you helped me! Now, my program works in bank 4FH in both: the reset
and the 'X' startup case.

> I think that you should use memory bank 40H for the tin400.

I don't think so: there is TINI software in banks 40H ... 48H.

> See also the application note app613.pdf at the dallas site.

It was good shot. I found there info about "startup400.a51", where I noticed
that I made not full setup of  serial0. "rom_init" function could not print
its message and hung up!
It is, what JavaKit (or Serial Loader) does for running
ROM-functions - especially for "rom_init" function.

Best Regards
Bernard

> Hi Bernard,
>
> I think that you should use memory bank 40H for the tin400. See also the
> application note app613.pdf at the dallas site.
> I used the Keil compiler on that bank and it works with that bank in both
> the reset and the 'X' startup case.
> The example of the internet speaker may use a different memory layout in
the
> hardware design I believe.
>
> Regards,
>   Rob van der Ouderaa
>
>
>> Hi,
>>
>> TINIm400/s400 & tini 1.12.
>> I try to run program with "rom_init" ROM exported function.
>> It is short program with TINI header, assebled by "a390" and similar to
>> begin of "speaker.a51".
>> I load it to 4F bank by JavaKit & Serial Loader. I run program in 2 ways:
>> 1. I use G (or X) Serial Loader command.
>> or
>> 2. I put in J5 jumper and click JavaKit "Reset" to omit Serial Loader and
>> let find user code.
>>
>> In 1-st way program works properly.
>> In 2-nd way program hangs up inside of "rom_init" function.
>> But shorter program - without "rom_init" function - works properly in
1-st
>> and 2-nd way!!!
>> It means that Serial Loader does something special for running
>> ROM-functions.
>> Does everybody know what is this?
>>
>> Any help would be appreciated.
>> Bernard

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