Miscellaneous Operating Systems/Hardware

Neat looking hobby Z-80 system

SAQ
Who joined July 19, 2006, 7:37 a.m.
and authored 5632 notes
Wrote the following at March 25, 2013, 7:37 p.m...
Simple and can be built on a breadboard. http://searle.hostei.com/grant/cpm/index.html

He also has an even simpler BASIC-only version.

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zmttoxics
Who joined Aug. 31, 2009, 8:11 a.m.
and authored 890 notes
Wrote the following at March 26, 2013, 5:20 a.m...
Neat! That actually looks like a fun project, thanks SAQ!

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Winnili
Who joined Sept. 15, 2012, 5:37 a.m.
and authored 178 notes
Wrote the following at March 26, 2013, 11:39 a.m...
Interesting, certainly looks nice and quite neat.

The TI-83/84/84P/84P-SE could alternatively be a good candidate as well, with the excellent BASIC and assembly programming capabilities. (There should also be a serial link cable available, or you could of course simply build one yourself.)

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rwengerter
Who joined Nov. 22, 2010, 12:02 a.m.
and authored 53 notes
Wrote the following at March 26, 2013, 2:04 p.m...
If you are interested in Z80 systems I recommend to take a look at the eZ80 from Zilog.
There are some single-board-computer systems based on eZ80 like the EZ80F915005
(Link: http://www.digikey.com/product-search/e ... Z80F915005 ).
The eZ80 can run unmodified Z80 binaries and additionally has an extended mode with
16 MByte address space. There is a free IDE and a free C compiler available from Zilog (now part of Ixys).
The eZ80 C compiler is one of the few C compilers with a int size of three Bytes.

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mia avatar
mia
Who joined Feb. 19, 2003, 1:54 p.m.
and authored 877 notes
Wrote the following at March 26, 2013, 6:50 p.m...
nice, thanks for sharing this. Can this run CP/M?

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PymbleSoftware
Who joined July 15, 2008, 4:48 p.m.
and authored 1877 notes
Wrote the following at March 26, 2013, 7:01 p.m...
mia wrote:
nice, thanks for sharing this. Can this run CP/M?


Did you even read the linked page?

Quote:
* March 2007 - First working version of my CP/M BIOS


Quote:
How to install CP/M



Back in those days you could understand an entire system chip by chip, you knew exactly what your 6845T did .. and could do stupid tricks with your video output or whatever...

R

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tingo
Who joined June 26, 2010, 4:40 p.m.
and authored 190 notes
Wrote the following at March 27, 2013, 6 a.m...
My current CP/M machine is a DracBlade: http://smarthome.jigsy.com/propeller and here http://smarthome.jigsy.com/build
(my DracBlade page http://sites.google.com/site/tingox/dracblade_v10 ) Someone else's build pictures: http://www.nathandumont.com/node/261

My future CP/M machine is a P112: http://frotz.homeunix.org/p112/

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guardian452
Who joined Aug. 21, 2007, 9:12 p.m.
and authored 2601 notes
Wrote the following at March 27, 2013, 9:43 a.m...
I have an "old" (they changed the layout a few years ago) N8VEM, it was a fun project and is still poked at occasionally (introducing friends to cpm etc). Never did get around to building the video terminal kit.

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theinonen
Who joined Feb. 21, 2007, 11:32 a.m.
and authored 336 notes
Wrote the following at March 30, 2013, 2:18 a.m...
I still have this monster Soviet system but it is a work in progress project that I have not really had the time to properly get into.

It now has floppy drive replaced with regular disk drive to more easily transfer disk images, but not sure if the drive is really working or not. I can format disk in disk drive and it will verify OK, but I have not managed to transfer any disk images to disk and read those with the system.

Maybe I need older PC-system for transferring those.