Created: 30th Nov 2020
Resources have Moved!
All disk images, software, firmware, magazines, documentation and articles have now been incorporated into the Gemini GIT repository located at https://github.com/johnnewcombe/gemini. Each folder in the repository should have a README file describing what is there.
Enjoy!
Articles
The following is a list of articles that may be of particular use to the Gemini owner. Please note that the complete set of INMC News, 80-Bus News and Scorpio are available within the above mentioned repository.
Computer Press
- Personal Computer World (Oct 1982)
- Gemini Galaxy 1
- Practical Computing (Nov 1982)
- Galaxy 1
- Computing Today (April 1983)
- Gemini Galaxy System Review
- Practical Computing (Jul 1983)
- Galaxy 3
- Personal Computer World (May 1986)
- Galaxy Enigma
- INMC 80 News
- INMC 80 News (Issue 5)
- Video Routine – Software for the Gemini Video Card Page 59
80 Bus News
80-Bus News (Volume 1, Issue 4)
- Gemini Multiboard Advert Page 27
- Gemini GM822 RTC Review Page 29
- Remote Terminals and the Galaxy Page 45
80-Bus News (Volume 2, Issue 1)
- Interrupt System of the Z80 Page 6
- Understanding CP/M – Customising your BIOS Page 20
- MAP 80 Ram board Page 29
- RP/M, MAP256, SYS, Virtual DIR (R Beal Column) Page 37
- 80-Bus + UCSD Page 50
80-Bus News (Volume 2, Issue 2)
- A Change of Tactics (CPZ, 40-80 conversion and more) Page 11
- Gemini Multinet (Random Rumours) Page 51
80-Bus News (Volume 2, Issue 3)
- Wordstar for the Gemini IVC Page 11
- 80-Bus Port Map Page 26
- Large RAM Systems Using the MAP Card Page 37
- Serial Interface Problems Made Easy Page 38
- GM812 IVC Hardware Bug Page 50
80-Bus News (Volume 2, Issue 4)
- Colour Cards Page 5
- SYS is Dead, Long Live? Page 20
- 80-Bus IO Map Part 2 Page 21
- RAM Disks Page 35
80-Bus News (Volume 2, Issue 5)
- Review of the Gemini Galaxy 2 Page 39
- 80-Bus News (Volume 2, Issue 6)
- Disk Drive Compatibility Page 14
- Installing an 8 inch Drive with the GM829 Page 29
- Video Output Stages Page 44
- Mixed 5.25 inch and 8 inch Drives on the GM829 Page 45
80-Bus News (Volume 3, Issue 1)
- CCPZ and BDOSZ Page 9
- SVC Board Page 20
- GM809, GM829 Compatibility/Upgrading (using 8 inch mode on 5.25 inch drives) Page 35
- Review of Compass, ZAP and Raven Assemblers Page 48
- GM888 8080 Board Page 51
80-Bus News (Volume 3, Issue 2)
- Gemini GM860 EPROM Programmer Review Page 31
- An insight into the Gemini IVC and SVC Part 1 Page 43
80-Bus News (Volume 3, Issue 3)
- Gempen/DiskPen a Review of the New Improved Version Page 4
- An insight into the Gemini IVC and SVC Part 2 Page 16
- The 80-Bus 800 Series Page 38
80-Bus News (Volume 3, Issue 4)
- Henry’s CCPZ, BDOSZ and Utility Disks Page 22
80-Bus News (Volume 3, Issue 5)
- Giant Intelligent Print Buffer for Gemini CPU Cards Page 9
- GSX The Graphics interface Page 19
- Lost Characters in CP/M Page 28
- Gemini Cursor Page 31
80-Bus News (Volume 3, Issue 6)
- RP/M Version 2.3 Page 9
- Interrupt Driven Printer for Gemini 2 Page 38
- Put a Real Time Clock in your CBIOS Page 43
80-Bus News (Volume 4, Issue 1)
- An IVC Problem Page 4
- Disk Skew and Deblocking (part of the DH Bits article) Page 9
- Review of the Prestel Terminal Program Page 26
80-Bus News (Volume 4, Issue 2)
- The Gemini GM870 Modem Page 21
- Gemini Bios Version 3.2 Page 25
Scorpio News
- Scorpio News (Volume 1, Issue 1)
- Disk Formats and CP/M Disk Routines Part 1 Page 25
- Review of the 2Mb Upgrage for the Gemini GM833 Page 37
- Prestel on Pluto Page 39
- Review of the MAP-80 Video/Floppy Controller Page 42
- Making CP/M More Friendly (CCPZ, ZCPR2, BDOSZ, CBIOS) Page 51
Scorpio News (Volume 1, Issue 2)
- The ZCPR3 System PArt 1 Page 20
- Disk Formats and CP/M Disk Routines Part 2 Page 40
- MAP-80 Multipurpose Interface Review Page 44
- GM809 Fast Steper Page 46
Scorpio News (Volume 1, Issue 3)
- SVC Graphpac, Alias GM575 Page 8
- Gemini Maintenance Memorandum Page 10
- Disk Formats and CP/M Disk Routines Part 3 Page 11
- The ZCPR3 System Part 2 Page 25
- A Visit to IO Research Page 37
- Upgrading a GM813 to 246K Page 42
Magazines
The complete set of IMC News, 80-Bus News and Scorpio are available below.
- INMC80News.zip
- 80BusNewsVol1.zip
- 80BusNewsVol2.zip
- 80BusNewsVol3.zip
- 80BusNewsVol4.zip
- ScorpioNews-1.zip
Links
At the moment this is just a list of my Gemini related bookmarks, I will sort these out and add some descriptions soon…
- https://80bus.co.uk.mirror.jloh.de//index.htm
- https://nascom.wordpress.com/
- http://www.nascomhomepage.com/
- https://github.com/codesqueak/Nascom
- https://www.vintage-radio.net/forum/showthread.php?t=156106
- http://www.binarydinosaurs.co.uk/Museum/museum-inhabitants.php
- https://groups.io/g/Nascom-Computers
- http://nascom-uk.blogspot.com/?m=1
- https://tupel.jloh.de/nascom/magazines/80-bus-news/
- https://github.com/nealcrook/nascom
- http://81.105.120.101/xbeaver/
- http://www.retrotechnology.com/restore/isis.html
- http://www.oocities.org/peterochocki/computers/1980comp/nascrev.htm
- https://github.com/nealcrook/nascom/tree/master/converters
- https://github.com/PaulStoffregen/PS2Keyboard
- http://www.interak.co.uk/PCtoASCII.htm
- http://www.willegal.net/appleii/appleii-kb-int.htm
- http://www.computinghistory.org.uk/det/11357/Galaxy-1/
- https://github.com/z88dk/z88dk
- http://old.pinouts.ru/HD/InternalDisk_pinout.shtml
- https://fdutils.linux.lu/disk-id.html
- http://www.moria.de/~michael/cpmtools/
- http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD#Purchase
- https://amigakit.amiga.store/product_info.php?products_id=1264
- https://tupel.jloh.de/nascom/magazines/
- https://github.com/fbergama/pigfx
- https://www.youtube.com/watch?v=lMnQ5RAvo58
- http://www.classiccmp.org/dunfield/index.htm
- http://www.vcfed.org/forum/forum.php