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Re: An idea!
Thump thump.. testing 123 test test... IS there any life or is it dead? Allison
By ajparent1/kb1gmx · #59 ·
Re: An idea!
Scott, must ahve better google foo.... http://bitsavers.trailing-edge.com/components/national/scmp/ That is only a sample.? The trick is the 8073 was also called SC/MP-II.? Also helps to try all
By ajparent1/kb1gmx · #58 ·
Re: An idea!
Bill: Happy to share and happy to bring back some fond memories for you. The wire wrapping was very tedious and it wasn't just the one INS8073 board. There were three others that were wire-wrapped as
By SCOTT VITALE · #57 ·
Re: An idea!
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
By Bill in OKC too · #56 ·
Re: An idea!
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
By SCOTT VITALE · #55 ·
Re: An idea!
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.
By Paul Bigwood · #54 ·
Re: An idea!
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
By Lee Hart · #53 ·
Re: An idea!
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
By ajparent1/kb1gmx · #52 ·
Re: An idea!
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
By bill rowe · #51 ·
Re: An idea!
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
By ajparent1/kb1gmx · #50 ·
Re: Confirming Group Email Address Change
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
By Lee Hart · #49 ·
Confirming Group Email Address Change
If you get this you are subscribed to the z80 Membership Card User Group mailing list at [email protected]
By bill rowe · #48 ·
Renaming the Group: [Z8MC] Z80 Not Z8
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
By bill rowe · #47 ·
Re: Z80 Not Z8
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:
By bill rowe · #46 ·
Re: Z80 Not Z8
A rename would be useful, the current "Z8MC" naming is mighty confusing, IMO.
By Jean-Claude Wippler <jc@...> · #45 ·
Re: Source code?
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
By ajparent1/kb1gmx · #44 ·
Re: Source code?
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
By joshbensadon · #43 ·
Re: Source code?
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
By SCOTT VITALE · #42 ·
Re: Source code?
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
By SCOTT VITALE · #41 ·
Re: Single-stepping without FRONT PANEL
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
By joshbensadon · #40 ·