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Pretty cool, Scott. A few years before you did this, I built (from RE) the COSMAC Elf computer. I didn't have friends who'd give me parts and tools, so I bought mine. I was a bit older, and already

Paul: You mentioned SC/MP; I used to have an SC/MP (INS8060) development board. I'm not sure where it ever went to. In my late teen years, I was given an INS8073 sample, which was the successor to the

Oh great.?Look forward to that PCB board!I played with the 6800 a bit, after cutting my teeth on the SC/MP.Best RegardsPaulSent from Samsung tablet.

ajparent1/kb1gmx wrote: Indeed, I'm working with someone on just such a thing. It's a Membership Card for the 6502, 6800, and 6809. The Front Panel cards are all the same; the CPU boards are

Of the possible member cards the one that sorta needs to be explored is the 6502 and maybe 6800 or 6809. When you look back the 1802, 8080/z80 and 6502 reflect a significant number and variations of

I cut my teeth on 370's and EBCDIC was all I knew for years. ASCII seemed like they were just trying to be different! I still remember "A" as C1 "a" was some other thing but who needed lower case

Then there is EBCDIC.... Some machine still do BCD math!? (1806, 8080, 8085. z80). Its how the logic is organized as a BCD computer was done (several times) but from a logic reduction standpoint a

bill rowe wrote: Congratulations, Bill! It worked. Now I'm off to update my manuals. :-) Lee -- ICEs have the same problem as lightbulbs. Why innovate and make better ones when the current ones

If you get this you are subscribed to the z80 Membership Card User Group mailing list at [email protected]

I'm going to pull the trigger on changing the group email and name to Z80MC from Z8MC. I'm sending this out before the change and i'll send a confirmation

Agreed. Lee had asked me to change it and i was waiting for things to settle down. I'll try to do it this afternoon. ________________________________ Sent: December 1, 2019 11:33 AM To:

A rename would be useful, the current "Z8MC" naming is mighty confusing, IMO.

Sources are on the net.? Look for Walnut creek CP/M CDrom. http://www.classiccmp.org/cpmarchives/ftp.php?b=cpm/Software/WalnutCD OR? the SIG/M acrchives (all PD with

Scott, I never put a lot of time and effort into perfecting XModem operations.? I got it running and moved on. I don't have the time for this.? For example, I've spent the last 2 nights going to

Josh: You may want to provide the newer version of XMODEM on the DISK-A.BIN image since assembles to only 4KB in size rather than the 8KB that is currently provided. TheXMODEM.cfg file you recently

Hi Lee: Thanks for replying. I was looking for the source code for XMODEM. The executable is already provided in the DISK-A.BIN image and it is the "Martin Eberhard" version. There are a few source

Scott, Yes, I think that should work.? Just follow the schematic portions of the front panel for the timer interrupt. Please understand that the single step feature works as follows:-Hijack the

Hi Scott, XModem by Martin Eberhard uses a config file.?The DISK-A image at Lee's website has recently (Nov 2019) been updated with the correct config file to use SIO address. SURVEY, I don't know

scotty264b@... wrote: Hi Scotty, The CP/M DDT.COM debugger can single-step without using interrupts; thus, no front panel or timer is needed. But it requires that the program you are tracing is

scotty264b@... wrote: Hi Scotty, Thanks for alerting us. Glad you found it. The XMODEM on the DISK-A image was the *unconfigured* one. Josh added the configured one, and I put it in the DISK-A