You just changed the wiki, didn't you? Well I don't get that checksum so I
should do the upgrade.


On Fri, 6 Jan 2023 at 15:21, Stephen Adolph <twospru...@gmail.com> wrote:

> revision is the same as build number.  basically, as I fix bugs, revision
> moves forward.
> I don't recall if, in the old software for REX Classic, which I no longer
> provide any updates for, if revision is something you can find out directly.
>
> You would want to look at the checksum.
>
> 1) check information on REX by pressing I - should give you checksum on
> the top 16k of the REX firmware
>
> 2) Compare with these values.  if different, upgrade.
> M100 = DF79
> T200 = 18BA
> NEC = 3B3E
>
> On Fri, Jan 6, 2023 at 5:46 PM Peter Vollan <dprogra...@gmail.com> wrote:
>
>> What is this about revision 258 or 260? Is there a way to find out what
>> revision I am on or if I need this upgrade?
>>
>>
>> On Fri, 6 Jan 2023 at 13:18, Stephen Adolph <twospru...@gmail.com> wrote:
>>
>>> the last load I made for REX classic is here:
>>> https://bitchin100.com/wiki/index.php?title=REX_Release_4.9
>>>
>>> It isn't perfect but it is the least buggy version of REX classic
>>> firmware.
>>> 4.8 is certainly not a great load to be using.  I suggest a complete
>>> rebuild.
>>>
>>> Steve
>>>
>>> On Fri, Jan 6, 2023 at 4:15 PM Stephen Adolph <twospru...@gmail.com>
>>> wrote:
>>>
>>>> REXCPM has no firmware per se. The CPLD is programmed but rexcpm is
>>>>> based on RAM so you have to load the REX software to initialize it.
>>>>
>>>>
>>>>> Details are at the REX wiki.
>>>>
>>>>
>>>>
>>>>>  https://bitchin100.com/wiki/index.php?title=REXCPM
>>>>
>>>>
>>>>
>>>>
>>>>>
>>>>> On Friday, January 6, 2023, Hiraghm <hira...@hotmail.com> wrote:
>>>>
>>>> So I have 2 model 100s, one I got as a backup that has a small scratch
>>>>> on the screen.
>>>>
>>>>
>>>>> The backup I tried recapping last weekend... and thought I'd killed it.
>>>>
>>>>
>>>>> I just got it working again (pulled the mb and scrubbed the back with
>>>>> isopropyl alcohol using a toothbrush).
>>>>
>>>>
>>>>> So I had had a classic REX in my main M100, and I pulled it to install
>>>>> in my backup.
>>>>
>>>>
>>>>> iirc, I had v 4.8 (.48?) , and I believe 4.9 is the latest. Can anyone
>>>>> share how to flash the new version to the rom?
>>>>
>>>>
>>>>>
>>>>> If I successfully recap the main M100, I intend installing the REXCP/M
>>>>> in it. Would I flash the lastest firmware the same way? If now, how should
>>>>> I go about doing that?
>>>>
>>>>
>>>>>
>>>>> Also, is it possible to replace the main rom with a rom image on the
>>>>> REX, fixing the Y2K? I'd like to have Ultimate ROM 2, and someday I'd like
>>>>> to create a custom ROM to replace the BASIC interpreter with Small-C or
>>>>> maybe a primitive Python-alike; or maybe just an assembler, if nothing
>>>>> else. That way I could write compilable (or assemble-able) programs for 
>>>>> it,
>>>>> on it.
>>>>
>>>>
>>>>>
>>>>> Also also, what's the other rom socket for? I've forgotten :(
>>>>
>>>>
>>>>> (I've been fafiated from playing with my Model 100s for awhile now;
>>>>> hope to start using them as terminals and for writing, soon)
>>>>
>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>

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