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Site Computer News Home

2012  <<    2013    >>  2014

December 2013

  • My "new" Speculator is faulty, possibly an SRAM problem, but watch this space . . . .
  • Posted a copy of the MTX Speculator software program with disassembly (Courtesy of Paul Daniels)
  • Posted three more issues (Volume I, 6 to 10) of the Memotech Owner's Club magazine (Courtesy of Jim Wills)
  • Andy's site is down at the moment, so I have put all of the files required to build MEMU-Pi on the make page
    • i.e., the MEMU source package and Andy's DIRT and TH packages.
  • Added Pong, an assembly language "type-in", including .run file (Courtesy of Martin Allcorn)
  • Martin has also compiled a version of Agrovator that can run on an MTX500, whereas, the original didn't
  • Whiling away these long winter hours, I have been doing a little playing with OCR, the results can be seen in :-
  • Posted copies of various Memotech related documents (Courtesy of Jim Wills, distributed at Memofest 2013)
  • Posted a copy of Brunword, a tape based Word Processor (Courtesy of Paul Daniels)
  • Posted a copy of Purchase Ledger, a tape based purchase ledger (Courtesy of Paul Daniels)
  • Hardware News - courtesy of Martin, I now have my very own Memotech Speculator !
  • Thanks to Jon Bradbury providing a copy of the original, I have a limited number of copies of The Source available
    • I have posted a "taster" of the document to let you know what you are missing (or not, as the case may be)
    • Professionally reprinted and spiral wire bound, ~200 pages of MTX programming info
    • Sold Out! - if there is enough interest, I may get another print run done - e-mail me your details if you are interested
  • Martin Allcorn's development of his MAGROM is nearing completion - the ROM now contains 38 MTX games
    • Martin has generously donated one of the prototype boards to me to add to my collection - thanks a lot Martin!
  • The EdAsm (Z80 Macro Assembler) macros added to the download file (Courtesy of Paul Daniels and Diarmid Gibson)
  • Added a trend of the ebay prices for MTX computers between 2011 and 2013
  • Added a "NEW" game, Crystal (Courtesy of Paul Daniels & Jim Wills)
  • Created a new, "fun", page to show the location of known MTX computers in the UK, with a few further afield
    • Why not let me know where yours is ?
  • Finally managed to scan my original FDX Manual :-

November 2013

October 2013

  • Bill has pointed out, and kindly allowed me to post it, that you will need his Z80 Assembler to compile the program
  • Posted a copy of Bill Brendling's CP/M PCB CAD software - it's amazing what you could do with the MTX back then!
  • Added disks Club808, 813 & 900-902 from MTX User Club Germany CP/M library (Courtesy of Peter Kretzschmar)
  • Found a great source of data on the TMS 9918/9929 from one of the original designers, available at : spatula-city.org  
  • Added another issue of Memopad (Issue 18 / Vol. 0010 No.6)
  • Added another issue of Memopad (Issue 15 / Vol. 0010 No.3) - yes, I actually scanned another one!
  • Reorganised this page to archive the old news items - while they are probably not very interesting, they are still available
  • A small amount of progress with my Video Wall hardware - the testing is documented here
    • Latest update is that the Decoder board seems to work and the problem is with the Distribution Amplifier board
  • Added disks Club056 to Club059 from the MTX User Club Germany CP/M library (Courtesy of Peter Kretzschmar)
  • More work on my Video Wall hardware - the current status of the system can be found here
    • The next job is to find out why the DDAs are only giving monochrome outputs.
  • Video Wall DDFS PSU replaced - using a Micro ATX supply - a much cheaper option!
    • I now need to test it with the MTX computer and a Decoder/Distribution Amplifier
  • A rare non-Memotech update!
    • David Kimberlin-Wyer has created a much improved copy of the Psion 3a User Manual, converted to Word, recreated the original Psion graphics and created a searchable PDF - available on the Psion 3a docs page.
  • Done a bit of reorganisation, moving quite a lot of the Video Wall detail off the Options page to a new Video Wall section
  • Added photographed copies of a number of tape covers (Courtesy of Martin Allcorn)
    • Tape Covers from Astropac, Superbike, Super Minefield, Turbo and Vernon and the Vampires
  • Added much improved copy of the HiSoft Pascal User's Guide (Courtesy of Paul Daniels)
  • Added a Cameron Video Wall advert - from Lighting & Sound International, December 1987
  • I have a few MTX compatible spares (mainly memory) available for sale - check out Dave's Bargain Basement :-)
  • Hardware News - bought a Pascal ROM board from Peter - one more Memotech item added to the collection!
  • Added a copy of the original Memotech MTX BASIC Tutor & Operator's Manual (Courtesy of Bill Brendling)
  • Added disks Club051 to Club054 from the MTX User Club Germany CP/M library (Courtesy of Peter Kretzschmar)

September 2013

August 2013

When doing various repairs and drawing circuit diagrams, I have needed copies of datasheets for components used on a number of Memotech PCBs. Whilst most of the datasheets can easily be found, as many of the devices used on Memotech boards are now obsolete, some have been quite difficult to locate - for me anyway. I have created a Datasheets page to make them available here to make it easier for anyone else who may need them.

July 2013

July was a "bumper" month for discovering "lost" MTX software, firstly, Diarmid Gibson contacted me through the website and made available a number of MTX games and utilities, along with tape covers and documentation - as ever, our resident format conversion expert (Paul) has started to convert the software to .mtx files.

Then Mike Rudkin had problems with his FDX and asked me to try to recover some software from some of Jim Wills' legacy 5.25" disks for an event that Jim has coming up, obviously we'll give Mike as much help as he needs to fix his FDX - but, in the meantime, every cloud . . . . . . .

  • Added a copy of the Memotech Memory Extensions Fitting & Testing Manual (Courtesy of Diarmid Gibson)
  • Added a copy of the instructions for Tournament Snooker to the downloads page (Courtesy of Diarmid Gibson)
  • Added a "NEW" download, Dennis Goes Bananas (Courtesy of Paul Daniels & Diarmid Gibson)
  • Added a "NEW" download - SciSoft's Angle (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Business Game (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Cesil Interpreter (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Fractions (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Game of Life (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Network - Node Ring Introduction (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Number Line  (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Pendulum (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Symmetry (Courtesy of Mike Rudkin / Jim Wills)
  • Added a "NEW" download - SciSoft's Wood Simulation (Courtesy of Mike Rudkin / Jim Wills)
  • Added copies of a number of the "extravagant" Syntax Soft tape covers (Courtesy of Diarmid Gibson)
  • Added copies of a number of tape covers (Courtesy of Diarmid Gibson)
    • Tape Covers from Escape from Zarcos, Felix in the Factory and Johnny Reb
    • Tape Covers from Dr Frankie, Downstream Danger, SMG and Jet Set Willy
    • Tape Covers from Miner Dick, Murder at the Manor, Obloids and Qogo-2
    • Tape Cover from The Designer, the User Manual is available on the Downloads page
  • Finally got evidence that Advanced Programming With the Memotech Mtx, by Spencer Bateson was never published
  • Added a "Tech-tip" on how to disable the MTX keyboard "auto-repeat" function
  • Added a "NEW" download, The Designer (Courtesy of Paul Daniels & Diarmid Gibson)
  • Added a "NEW" download, Memocheque (Courtesy of Paul Daniels & Diarmid Gibson)
  • Added a "NEW" game, Felix in the Factory (Courtesy of Paul Daniels & Diarmid Gibson)
  • Posted a few MTX music files from Andy's MEMU package - do you have any more nice MTX tunes to share?
  • Added a MTX512 review from "TV Gamer" from January 1985, from The World of Spectrum archive
  • Posted disk images (.hfe & .imd) for MicroPro WordStar 3.00 for CP/M configured for colour FDX
  • Posted disk images (.hfe & .imd) for Borland Turbo Pascal 3.00A for CP/M configured for colour FDX
  • Posted a copy of Infocom's ZORK-I Adventure Game, runs under CP/M and/or Andy's MEMU in CP/M Mode
  • Created a schematic of the Memotech Speculator, with the help of Tony Brewer, the original designer
  • Added disks Club026 to Club030 from the MTX User Club Germany CP/M library (Courtesy of Peter Kretzschmar)
  • Added Combat and Attack of the Killer Tomatoes games (Courtesy of Paul Daniels & Jim Wills)
  • Created a page about the MTX overheating resistor problem (Photo courtesy of Mark Kinsey)
  • Added disks Club022 to Club025 from the MTX User Club Germany CP/M library (Courtesy of Peter Kretzschmar)
  • Added another issue of Memopad (Issue 16 / Vol. 0010 No.4) (Courtesy of Paul Daniels)
  • Found another Speculator Review - from "Popular Computing Weekly", 10-16th October 1985
  • Found another MTX500 Review - from "Popular Computing Weekly", 11-23rd November 1983
  • Found another Memotech Article , featuring Branton & Boyd - from "Popular Computing Weekly", 7-13th July 1983

June 2013

The Memotech MTX500 is 30 years old this month

 

It was officially released at the Earl's Court Computer Fair

16-19th June 1983

 

See the Articles page for details

May 2013

April 2013

  • Completed replacement of the original power supply in my FDX with an HEC-200SR-AT, ATX PSU
  • Added tape covers and game play notes for "Attack of the Killer Tomatoes", "Highway Encounter" and "Soul of a Robot" (a previously unknown game) as well as the Level 9 Hints sheet for "Snowball" (Courtesy of Jim Wills)
  • Added some photos of the Memotech Data Recorder (Courtesy of Dave Hickman)
  • Added another issue of Memopad (Issue 12) (Courtesy of Paul Daniels) - the complete first year's mags are now on-line
  • Created a page listing the Memotech software that I do not have a copy of - can you help?
  • Created a schematic of the SDX FDC-05 Disk Controller, with the help of Tony Brewer, the original designer
  • Added another issue of Memopad (Issue 7) (Courtesy of Paul Daniels)
  • Added another issue of Memopad (Issue 11) (Courtesy of Paul Daniels)
  • Added another issue of Memopad (Issue 8) (Courtesy of Paul Daniels)
  • Created a new page for Videowall Photos - I think there were too many to add to the Photos page
  • Hardware News - I have just managed to buy an SDX disk controller, but it is currently crawling it's way from Germany
    • Update - it has now arrived and looks in great condition, I just need to get 5VDC to it and see if it works
  • More good news, even without the additional power or the disk drive - the SDX and 80 Column board work fine!
  • Added another issue of Memopad (Issue 9) (Courtesy of Paul Daniels)
  • Another insane price for an MTX512 on ebay uk, this time, £536.45! - I know we love the MTX, but that much ???
    • (Maybe I should have let the offer below run a little longer)  
  • 1st April - for sale, Original, almost "BNIB", Memotech Tape Head Cleaner  - Offer now closed
    • Unused, pristine condition VERY VERY rare!
    • An almost unique opportunity to purchase this highly sought after item from the 1980's
    • FIRST OFFER of £475.00 secures - be sure to get there first !!!  

This item will only be available between 00:01 and 23:59 0n 01/04/2013

March 2013

  • Created a page to document Dick Janssen's MTX Keyboard Replacement Project
  • Do you want to know who beat Memotech to the Russian schools contract? - have a look at this page
  • Created a page on fault finding an MTX with a RAM problem (Courtesy of Mark Kinsey)
  • Created a page on replacing the blown capacitor in my FDX Power Supply
  • Created a page for Bill Brendling's MEMU-Pi (MEMU on Raspberry Pi), includes MEMU-Pi download
  • Added a scanned copy of the Memotech Customer Newsletter from March 1984 (Courtesy of Paul Daniels)
  • Created a page for Memotech Owner's Club data, containing some MOC Technical Notes (Courtesy of Paul Daniels)
  • Helping out my slow scanning, Paul has sent me some scanned issues of Memopad, Issue 6 is now on-line, more to come
  • Added another issue of Memopad (Issue 10) (Courtesy of Paul Daniels) - Page 26 is missing, I will scan mine later
  • Added a MTX500 review from "Which Micro? & Software Review" from January 1984 Courtesy of Paul Robinson

February 2013

  • Hardware News - I have just been gifted a Tektronix Logic Analyser, TLA714, by Inaki Castillo - thank you very much!
  • Created a new Tools section on the site, initially, just to document my learning experience with the TLA714
  • Added a couple of new photos of the Memotech Speculator, including the internals (Courtesy of Tony Brewer)
  • Created a new page with detailed technical information about the Memotech Speculator
  • Added a copy of the Speculator Tape 1 Instruction leaflet to the Manuals page (Courtesy of Tony Brewer)
  • Added copies of some of the original artwork used for Continental software's games, courtesy of the artist, Nick Mynheer
  • Added a scanned article from DME, a Computer Capacitance Meter, using the MTX
  • Using my new Logic Analyser, I am making renewed efforts to fix my failed FDX - read about my progress (or not!)
  • Created a page to catalogue my small collection of Memotech hardware
  • Added a high resolution scan of the original Memotech brochure to the Articles page.
  • Added a high resolution scan of the original DMX80 printer brochure to the Articles page.
  • Added a high resolution scan of the combined MTX & FDX brochure to the Articles page.
  • Created a new page for unusual Memotech add-ons & customisations
  • Copying Claus's idea - I'm trying a Facebook "Like" counter on the Site Map Page - if you like the site, give it a click!
  • Added another two foreign language reviews of the MTX, one German and one Norwegian, to the Articles page
  • More Hardware News - Bought another MTX off ebay to get the 80 Column board that was installed in it

January 2013

 

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