120 http://www.z80ne.com/m20/index.php The meeting point for the Olivetti M20 community: software, manuals and technical data. Added a manual on the corresponding section: Compendio istruzioni: BASIC & PCOS. 3rd edition April 1983 (PCOS 2.0, BASIC 1.3 e release successive) Many thanks to Antonio Busi. Site update Thu, 1 Jan 2026 22:46:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc48 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We created a page dedicated to Heiko Schumann's YouTube videos dedicated to the Olivetti M20 Site update Tue, 18 Nov 2025 20:04:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/heiko/heiko.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/heiko/heiko.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Work continues on the manual section: Corrected a typo, added the PCOS System Programmers Guide Release 3.0 December 1983, the service manual in english from April 1983, the ASSEMBLER User Guide Release 3.0 June 1983 and the UCSD p system release IV FORTRAN Language User Guide December 1983. Many thanks to Heiko Schumann. Corrected typos in the FAQ page. Give some info about the easter egg. Add a question about the M20 BC with firmware 1.0. Site update Sun, 29 Sep 2025 20:43:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc47 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added three manuals on the manual section: OLIWORD Textverarbeitung Anwender Handbuch November 1983, OLIWORD 2 The M20 Word Processing Package User Guide First Edition September 1983, OLINUM Numerical Analysis User Guide July 1982 and PCOS 2.0 Professional Computer Operating System Betriebssystem Benutzer Handbuch 1984. Many thanks to Heiko. Site update Sun, 27 Sep 2025 19:43:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc46 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added three manuals on the manual section: MS-DOS Disk Operating System User Guide, ISAM Indexsequentieller Dateizugriff Programmierhandbuch and OLICOM Batch Terminal Emulationen Benutzerhandbuch. Many thanks to Heiko. The cover drawing of the OLITERM manual is used to decorate the Download page. Site update Sun, 26 Sep 2025 22:09:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc45 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added three manuals on the manual section: the FAKTURIERSYSTEM manual, CBASIC-86 Language Refernce Manual, BASIC Language Reference Manual fourth edition June 1983. Many thanks to Heiko. Site update Sun, 23 Sep 2025 22:44:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc44 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added four manuals on the manual section: the M20 UCSD p-system, release IV, Operating System User Guide manual, the Allgemeines Service-Handbuch, the BASIC 8000, Band I Sprachelemente, alphabetisch, the the BASIC 8000, Band II Anwendung der Sprachelemente. Many thanks to Heiko. Site update Sun, 21 Sep 2025 13:32:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc https://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc43 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new page containing the pictures of the rare version of the M20BC has been added. Site update Sat, 30 Nov 2024 22:32:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/photos/kanji/kanji.inc https://www.z80ne.com/m20/index.php?argument=sections/photos/kanji/kanji.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The whole website went under a global reorganization of the HTML and CSS. The result should be much more convenient to browse on mobile devices. Site update Mon, 11 Nov 2024 15:40:24 GMT http://www.z80ne.com/m20/index.php?argument=home.inc http://www.z80ne.com/m20/index.php?argument=home43 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new page by Benjamin Eberhardt, describing how to connect a Gotek floppy disk emulator to an M20. Site update Sun, 3 Nov 2024 20:20:24 GMT https://www.z80ne.com/m20/index.php?argument=sections/transfer/gotek/gotek.inc https://www.z80ne.com/m20/index.php?argument=sections/transfer/gotek/gotek.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new page dedicated to Benjamin's M20, sporting a Gotek floppy disk emulator. Site update Thu, 10 Oct 2024 23:59:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/benjamin/benjamin.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/benjamin/benjamin.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The description of the M20 firmware was one of the very first pages written for this website in 2006. I updated it by adding some data about different firmware revisions, instructions about how to upgrade it, etc. Site update Sun, 6 Oct 2024 15:58:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/bios/bios.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/bios/bios.inc42 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Olivetti M20 can run MS-DOS with a card that sports an 8086 processor. This page details building a modern clone designed by Salvatore Paxia and upgrading the Olivetti M20 firmware to support it. Site update Mon, 12 Feb 2024 18:15:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/apb/apb.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/apb/apb.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Scott Baker maintains a YouTube channel and covered some very impressive content about the Olivetti M20. Site update Sun, 15 Jan 2024 21:54:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/scottb/scottb.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/scottb/scottb.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A fun advertisement comic about the Zilog Z8001 processor. Site update Sat, 25 Oct 2023 00:38:24 GMT http://www.z80ne.com/m20/sections/press/Zilog.Z8000.1979.102646293.pdf http://www.z80ne.com/m20/sections/press/Zilog.Z8000.1979.102646293.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Luca Innocenti has sent us the pictures of his M20 he found in Spain. Site update Sat, 7 Oct 2023 10:58:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/luca_i/luca_i.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/luca_i/luca_i.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The page dedicated to the manuals has been reorganized. Manuals are now divided following their subject. Site update Wed, 30 Jul 2023 00:00:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc41 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new page dedicated to the motherboard rev. "D" jumper configuration has been added to the site. Site update Wed, 27 Jul 2023 15:19:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/settings/settings.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/settings/settings.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added links to the complete Silk Dust soundtrack on Itch.io and the preview on Soundcloud. Site update Wed, 26 Jul 2023 00:16:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc42 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Added PCOS 2.0h, CP/M Z8K disk images. Corrected a bogus reference to Oliword in German. Add an image that indeed contains Oliword in German. Add information about AMD5.IMD and AMD51.IMD. Report AMD51.IMD as broken. Reference modern text adventure games from this page. Site update Wed, 26 Jul 2023 00:16:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/wrm20/wrm20.inc http://www.z80ne.com/m20/sections/download/wrm20/pcos20h.img.bz2 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A high resolution scan of the Assembler 3.0 manual has been added to the collection. Many thanks to Andreas Ziermann. Site update Wed, 24 Jul 2023 23:16:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/M20_assembler_30.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Andreas Ziermann provided some very high resolution scans of the original schematics and redrew them using KiCad. Site update Wed, 24 Jul 2023 23:16:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/schematics/schematics.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/schematics/schematics.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Benjamin Eberhardt sent us four new high resolution scans of manuals: M20 Handbuch BASIC 8000 Vorläufige Ausgabe, M20 Betriebssystem PCOS Release 2.0, M20 Handbuch BASIC 8000 Unter PCOS 1.3, M20 ISAM User Guide. Site update Wed, 24 Jul 2023 23:16:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/M20_ISAM_User_Guide.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) New advanced tools like Kryoflux and Greaseweazel can now handle M20 floppies. Read how in this article by Benjamin Eberhardt. Site update Wed, 19 Jul 2023 22:19:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/transfer/floppy/transfer_floppies.inc http://www.z80ne.com/m20/index.php?argument=sections/transfer/floppy/transfer_floppies.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Have you ever dreamed about emulating the M20 on an Android device? Now you can with RetroArch! Read this nice new article by Benjamin Eberhardt. Site update Wed, 19 Jul 2023 22:19:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/emulation/mame_retroarch.inc http://www.z80ne.com/m20/index.php?argument=sections/emulation/mame_retroarch.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The Emulation item on the website menu now brings you to a section page that contains two articles. Site update Wed, 19 Jul 2023 22:19:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/emulation/emulation.inc http://www.z80ne.com/m20/index.php?argument=sections/emulation/emulation.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We added a few lines and pictures in the FAQ section about the M20 with a Tulip MDA monitor, as suggested by Retro Nora on Twitter. Site update Mon, 30 Jan 2023 22:26:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/faq/faq.inc http://www.z80ne.com/m20/index.php?argument=sections/faq/faq.inc4 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We added a link to Edy Cipolat Bares videos dedicated to the Olivetti M20 Site update Mon, 2 Jan 2023 20:20:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/edy/edy.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/edy/edy.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Thanks to Benjamin Eberhardt, we added the M20 Bediener Handbuch PCOS as well as the Oliword Referenzkarte to the collection of manuals available on the site. Site update Mon, 2 Jan 2023 20:20:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/M20_Bediener_Handbuch_PCOS.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) I updated the disk alignment procedure in the Repair section. Site update Thu, 24 dec 2022 15:11:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/repair/drives/drives.inc http://www.z80ne.com/m20/index.php?argument=sections/repair/drives/drives.inc2 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) I added two articles I wrote for Retromagazine World in the Press section. Site update Thu, 24 dec 2022 13:08:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/press/retromagazine/retromagazine.inc http://www.z80ne.com/m20/index.php?argument=sections/press/retromagazine/retromagazine.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) I updated the page describing Two Days to the Race, The Queen's Footsteps and Silk Dust with link to the boxed physical versions and original music. Site update Thu, 22 dec 2022 17:40:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc5 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We added the Eight bit manual in the manuals section. It details an emulation program that was meant to run the CP/M on the M20 emulating a Z80 processor. Site update Thu, 22 dec 2022 16:44:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/eightbit.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Do you know there is a text adventure game that is commercially available in 2022 for the Olivetti M20? Site update Mon, 17 Jan 2022 22:44:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc http://www.z80ne.com/m20/index.php?argument=sections/download/textadv/textadv.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Chris Carter has sent an interesting note about his power supply repair. Site update Wed, 05 Feb 2020 21:47:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/repair/powersupply/powersupply.inc http://www.z80ne.com/m20/index.php?argument=sections/repair/powersupply/powersupply.inc2 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Two shiny new text adventure games have been published in 2019 and 2020 by Davide Bucci and are available for the Olivetti M20. Chris Carter has sent pictures of his Olivetti while playing the games. Site update Wed, 05 Feb 2020 21:26:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/chris_c/chris_c.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/chris_c/chris_c.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We publish a nice contribution by Benjamin Eberhardt about the emulation of the M20 with MAME. Site update Fri, 02 Aug 2019 22:42:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/tech/mame_m20.inc http://www.z80ne.com/m20/index.php?argument=sections/tech/mame_m20.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We updated the page about how to use a MFM ST251 hard drive on the Olivetti M20. Dwight sent a few tools in assembly language that can be used to format the disk, park the heads, etc. Site update Tue, 19 Feb 2019 20:32:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/hd/hd.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/hd/hd.inc3 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The website is still alive! We updated the ISA2M20 adapter to the third version. This version provides a reliable I/O access from the M20 to an ISA 8 bit card and takes care of the memory mapping, too. Site update Sun, 04 Feb 2018 17:36:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/isa2m20/isa2m20.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/isa2m20/isa2m20.inc2 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The video cable brings the power supply to the black and white monitor, as well as the video signals. In this page, we describe the pinout of the cable, hoping that it is useful if yours is damaged. Site update Tue, 07 Aug 2012 22:18:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/videocable/videocable.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/videocable/videocable.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Dwight K. Elvey has updated the memory table describing how the memory is assigned in every configuration of the Olivetti M20. Site update Mon, 28 May 2012 20:56:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/ramtable/ramtable.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/ramtable/ramtable.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The ISA (Industry Standard Architecture) standard was adopted in the original PC-IBM computer and countless expansion cards have been developed for covering almost any need. We would like to discuss here the realization of an adapter which can be used to plug any standard 8 bit ISA expansion card on the Olivetti M20. Site update Wed, 25 Jan 2012 23:09:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/hack/isa2m20/isa2m20.inc http://www.z80ne.com/m20/index.php?argument=sections/hack/isa2m20/isa2m20.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Site update Tue, 14 Sep 2010 21:17:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001/m24_z8001.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001/m24_z8001.inc_23 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Vincenzo has a nice collection of M20s as well as M24s. He sent two clear pictures of the Z8001 card which was used to make the M24 system able to run PCOS and original M20 software. Site update Sun, 25 Oct 2009 00:41:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001_card/m24_z8001_card.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001_card/m24_z8001_card.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Christian Groessler mantains a particular version of the very well known GCC compiler, able to compile ANSI C programs to be run on an Olivetti M20 running PCOS. Site update Tue, 13 Oct 2009 20:22:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/z8kgcc/z8kgcc.inc http://www.z80ne.com/m20/index.php?argument=sections/download/z8kgcc/z8kgcc.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Andreas has sent a few photos of his very complete M24 system. It is equipped with a Z8001 card which made it able to run PCOS for M24 compatibility. Site update Sat, 28 Feb 2009 00:25:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001/m24_z8001.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/m24_z8001/m24_z8001.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The mystery box depicted is a special DATEV-Device, used in Germany by tax accountants! Site update Thu, 28 Aug 2008 20:43:24 GMT http://www.z80ne.com/m20?id=1 http://www.z80ne.com/m20?id=1 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Another version of the PCOS operating system is now available. Site update Thu, 19 Jun 2008 21:58:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/wrm20/wrm20.inc http://www.z80ne.com/m20/sections/download/wrm20/pcos110d.img.bz2 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The Astro-Boulders Asteroids clone has been available as a single file download. Site update Sat, 14 Jun 2008 13:49:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/basic/basic.inc http://www.z80ne.com/m20/index.php?argument=sections/download/basic/basic.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Andreas Senk has sent us a new repair story about a problem found in an Olivetti power supply unit. Site update Fri, 13 Jun 2008 20:43:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/repair/powersupply/powersupply.inc http://www.z80ne.com/m20/index.php?argument=sections/repair/powersupply/powersupply.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) In order to run MS-DOS, Olivetti developed an expansion board equipped with an Intel 8086 processor. Andreas Senk sent a few very nice pictures and screenshots of one of his M20 systems running MS-DOS. Site update Fri, 13 Jun 2008 20:43:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/photos/andreas_8086/andreas_8086.inc http://www.z80ne.com/m20/index.php?argument=sections/photos/andreas_8086/andreas_8086.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new review of the Olivetti M20 from the review Bit in Italian has been added. Many thanks to Carlo. Site update Sun, 06 Apr 2008 00:00:24 GMT http://www.z80ne.com/m20/index.php?argument=sections/press/prova_bit/prova_bit.inc http://www.z80ne.com/m20/index.php?argument=sections/press/prova_bit/prova_bit.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Thanks to Roberto Bazzano, a few disk images have been put online. (AGRICOLA.IMD, M20UTENT.IMD, PCOS30E.IMD, PCOS13D.IMD, PCOS13F.IMD) Site update Sun, 30 Mar 2008 20:04:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/wrm20/wrm20.inc http://www.z80ne.com/m20/sections/download/wrm20/PCOS30E.IMD Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Thanks to Christian Groessler, the german manual of the PR320 Olivetti printer is now online. Site update Wed, 30 Jan 2008 20:22:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/pr320-bedienungsanleitung.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Ettore Sottsass has passed away on December 31 2007, aged 90. He designed the appearence of many Olivetti products, among which the M20. We will miss you. Site update Tue, 8 Jan 2008 20:52:32 GMT http://www.sottsass.it/ http://www.sottsass.it/ Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Christian Groessler has provided a new version (0.9) of the monochrome BMP slideshow program for the Olivetti M20. This version is more responsive and allows to obtain a small transitione effect between slides. Thanks, Chris. Site update Tue, 8 Jan 2008 20:52:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/basic/basic.inc http://www.z80ne.com/m20/sections/download/basic/slideshow-0.9.zip Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Christian Groessler has written a nice BMP slideshow demo in the C programming language. You can find the program with the sources in the Software section. A small video of the demo is available. Site update Thu, 13 Dec 2007 20:01:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/basic/basic.inc http://www.z80ne.com/m20/sections/download/basic/slideshow-0.8.zip Olivetti M20 site davbucci@tiscali.it (Davide Bucci) We reduced the size of the technical assistance manual. Now it has a size of 21.6 MiB. Better than 166 MiB. Site update Fri, 7 Dec 2007 22:43:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/manuale_assistenza.pdfi1 Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Christian Groessler has improved the Lena demo file, written in C. Source files and demo program are available. Site update Fri, 7 Dec 2007 21:00:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/basic/basic.inc http://www.z80ne.com/m20/sections/download/basic/lena.zip Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Thanks to the information provided in the technical assistance manual, we were able to correct and revise the BIOS error code table. Site update Thu, 6 Dec 2007 21:00:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/repair/repair.inc http://www.z80ne.com/m20/index.php?argument=sections/repair/repair.inc Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The technical assistance manual for the M20 is available in the Manuals section, with the description of every jumper for the board configuration. Many thanks to Roberto Bazzano. I Site update Tue, 4 Dec 2007 21:10:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/manuale_assistenza.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The ADM-5 disk images have been added in the software section of the M20 site. The Many thanks to Matteo! Site update Sun, 18 Nov 2007 10:41:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/wrm20/wrm20.inc http://www.z80ne.com/m20/sections/download/wrm20/ADM5.IMD Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The DBMS disk images have been added in the software section of the M20 site. The Many thanks to Matteo! Also the MS-DOS 2.0 disk image has been added. This operating system is useful for those having the APB-86 board, with an Intel 8086 CPU. Site update Sun, 18 Nov 2007 10:41:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/download/wrm20/wrm20.inc http://www.z80ne.com/m20/sections/download/wrm20/DBMS.IMD Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new manual (divided in three parts) has been added to the "manuals" section. Many thanks to Matteo! Site update Sat, 17 Nov 2007 12:57:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/press/press.inc http://www.z80ne.com/m20/sections/manuals/DBMSParte1.PDF Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new manual (divided in four parts) has been added to the "manuals" section. Many thanks to Matteo, with this very interesting contribution! Site update Sun, 11 Nov 2007 10:05:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/press/press.inc http://www.z80ne.com/m20/sections/manuals/CPM86Parte1.PDF Olivetti M20 site davbucci@tiscali.it (Davide Bucci) A new Olivetti M20 review has been added in the "press" section. Site update Sun, 11 Nov 2007 10:05:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/press/press.inc http://www.z80ne.com/m20/sections/press/jurassic/RecensioneM20.pdf Olivetti M20 site davbucci@tiscali.it (Davide Bucci) Matteo has sent us the Italian and English Olivetti Pascal user manual. This will be interesting for those wanting to use this language on the M20 Site update Thu, 15 Nov 2007 17:58:32 GMT http://www.z80ne.com/m20/index.php?argument=sections/manuals/manuals.inc http://www.z80ne.com/m20/sections/manuals/CPM86Parte1.PDFn Olivetti M20 site davbucci@tiscali.it (Davide Bucci) The M20 web site is now hosted at a new address: http://www.z80ne.com/m20. We would like to tank Roberto Bazzano who kindly hosts us. The old IP address will continue to be active until last week of August 2007. Site update Thu, 3 May 2007 20:11:32 GMT http://www.z80ne.com/m20 http://www.z80ne.com/m20 Olivetti M20 site davbucci@tiscali.it (Davide Bucci)