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Yeah, not sure how useful this is but it was fun getting it together. The only thing I forgot to mention is the use of a one-piece TTL-to-RS232 level shifter. It has a DE9 on it and fits inside a

Richard Cini wrote: What a cool idea! I still have my Hayes Smartmodem, and fondly remember using it to log onto various BBS's on my CP/M computer back in the 80's. If anyone figures it out, I can

All – Just a fun thing to do with the Z80MC and SIO card. With some great detective work from Josh and a little bit of tinkering, I was able to get the SIO connected to a

I got my TI-86 in 1998 or maybe 1999. So I don't think it would be considered "later" but can't swear to it. It did use a different processor from most of the other graphing calculators they sold. I'm

Many of the later TI 8x were not true Z80 but the sorta compatible Rabbit. and I think later eZ80. A good example of bus width is the DEC T-11, its PDP11 a 16 bit architecture but the T-11 had a

TI-86 is a Z80 with 128mb of memory, so likely one of the processors you guys are talking about, too. Display on them is essentially the same as the TRS-80 computers, except maybe for graphics. There

ajparent1/kb1gmx wrote: Yes. Besides the P112, there have in fact been many follow-in enhancements to the Z80 family. The current TI-84 calculators still use them today. Sort of... 8- vs. 16-bit is a

There was the P112 and its follow on.? IT was popular but the date was 1980 and 8088 was showing its face finally (it had ben around for a while but no takers). . FYI 64180 and Z180 are to most still

64180 was availabe in that large pin dense dense dip or flatpack [J lead TQFP] as is the Z180 and they are both about the same.? I have both and save for clock speed same thing.? ITs biggest

I'm hoping there will be a way to put video on it, one of these days. I'm pretty much starting from scratch, as far as legacy computers go. May have to rob the chips from this one to go on a different

Bill in OKC too via groups.io wrote: This is a pretty interesting little micro. I'm interested to hear how it turns out! But it's off-topic for this thread, as it doesn't have video at all. You may

Just got the confirmation email, did order the usb cable and ftdi adapter. Didn't remember that, but did know I left a yes anywhere it would take one. They're quote 3-5 weeks shipping time. I'm gonna

The unit is a bit touchy about power.? I couldn't run it of the USB hub under my monitor, because the voltage under load was too low (4.70).? Plugged directly into the computer, it works

Pretty sure I said yes on every option, except color of the case, where I selected blue. So I won't worry about it until the thing arrives. Though I was thinking have both in place, and use one for

Bill, if you selected "Yes, Please" to the USB-Serial adapter option when you bought the full kit, it will come with one; that's what I'm using, and it works perfectly.,? That said, it looks pretty

I've copied everything I could find on the internet, but I'll happily take anything you want to send my way, too. I do have a question for you on hardware, though. Can you recommend an ftdi card or

Bill, I saved almost all of my CP/M stuff in files in my master "everything I've ever done" hard drive archive, so if there's anything you need (WordStar in file form, rather than disks), let me

Alright, Mark & Alison. This is your fault! I ordered one. I am absolutely not responsible for my own actions!? I have to wonder if I'll have any clue how to run the silly thing. Though I did find my

Alison, I picked up this little toy ( https://www.tindie.com/products/tindiescx/sc131-pocket-sized-z180-romwbw-cpm-computer-kit/ ) a few weeks ago.? It went together in about an hour, and is very

I hear an Amen! For any system running off TTY and slow storge and minimal tools was a serious handicap. PRE CP/M development with SYS-8 (or the PT equivilent) was slow and awkward. Same for any of