I once had a 16. It actually had a Z80 and a 68000. It could boot Model II TRSDOS, CPM-80, Xenix or TRSDOS-16. The Z80 was used as an I/O processor when running a 68k operating system. The Model II could even be upgraded with a 68000 processor. (And now we return to discussing Model T computers).
On Thu, Sep 29, 2022, 11:05 AM Chris Trainor <[email protected]> wrote: > But still mostly a brand… the basis for the 80 was the Z80 in their early > stuff, but like the Model 16 had a 68k in it. 😊 Plus even tho the II > had a Z80 like the I, III & IV, I thought operationally it was > substantially different and none of the I/III/IV stuff would work on it? > (never used one, remember my grandfather having one at work, but that’s it) > . Plus the 2 & 12 were very similar, but the 16, meant to be an > ‘upgrade’ from the 12 was way different (being 68k based like Apple/Amiga > products, but not as ‘hip’ as those 😊 ) > > > > --Chris > > > > *From:* M100 <[email protected]> *On Behalf Of *Justin > Poirier > *Sent:* Thursday, September 29, 2022 8:04 AM > *To:* [email protected] > *Subject:* Re: [M100] is the m100 a trs-80? In walks like a, not is > categorized as a > > > > TRS-80 starts for "Tandy Radio Shack" and "Z80 microprocessor." The > M100/T102/T200 have an Intel 80C51 microcontroller, not a Zilog Z80, like > the Model I, II, III, IV had, and even worse the TRS-80 Color Computers > have a Motorola 6809, so even in themselves, they were not consistent in > sticking to their own brand. > > > > --Justin > > > > On Wed, 2022-09-28 at 17:09 -0400, [email protected] wrote: > > TRS80 is a brand. There are substantial differences between the different > models for the most part. Especially ones like the Model II. The 1, 3 and > 4 had some limited compatibility but stuff written for one wouldn't > necessarily work in the other. (Except that in theory you could boot a 4 > into 3 mode to run 3 apps, but that wasn't really 'compatible' ). So the > 100 and 102 (where brand changed to Tandy) are like the rest and different > :). > > > > > > Oh and don't forget the whole color computer series was vastly different > from the gray box models :) > > > > --Chris > > > ------------------------------ > > *From:* M100 <[email protected]> on behalf of Will Senn < > [email protected]> > *Sent:* Wednesday, September 28, 2022, 5:04 PM > *To:* [email protected] <[email protected]> > *Subject:* [M100] is the m100 a trs-80? In walks like a, not is > categorized as a > > > > > > I've been reading around a bit (all over the world actually) and there's a > lot of stuff written about and for the TRS-80... as though it's a machine, > not a designation. I wonder, just how close is an m100 to these TRS-80's > (Model 1, 2, 3, etc)? Should I concentrate on stuff that's written > specifically about the M100? Or, will any old TRS-80 book or magazine or > zine (TRS8BIT) do? It's pretty confusing. > > I do realize that there are significant differences in hardware and screen > stuff - color, res, etc. But by and large is an m100 a "TRS-80" in that I > can reuse code from one to the other comfortably (sans specific hardware > references), or should I not waste my time? > > Looking for insight and reading material for M100 enthusiasts. > > > > Will > > > >
