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Altering flashrom?   Message List  
Reply | Forward Message #259 of 1156 |
Re: Altering flashrom?

--- In vmu-dev@egroups.com, Mark Green <mark.green@r...> wrote:
>
> Has anyone found if it's possible to alter flash memory outside
of the
> game file's area by using a direct call (ie, not through the BIOS)?
I
> recall the method was on one of the development web pages but it
didn't
> mention if the address limit still applied.

You can use the firmware function at $E024 to write any section of the
128K flash. See example code in message 30. (Actually calling it is
a little bit tricky, so use the provided write_page function.)


// Marcus






Mon Jun 5, 2000 4:52 pm

marcus@...
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Message #259 of 1156 |
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Has anyone found if it's possible to alter flash memory outside of the game file's area by using a direct call (ie, not through the BIOS)? I recall the method...
Mark Green
mark.green@...
Send Email
Jun 5, 2000
1:56 pm

... of the ... I ... didn't ... You can use the firmware function at $E024 to write any section of the 128K flash. See example code in message 30. (Actually...
Marcus Comstedt
marcus@...
Send Email
Jun 5, 2000
4:52 pm
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