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  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... to a spare I/O port, and used this to map ... a spare line on the expansion bus. The extra RAM was ...
    RST#08 RST#08 February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... developers would either snoop on port 0x7ffd or rely upon M1 ... the M1 line on the expansion bus in this way, then ... from the Z80 to the expansion bus.

    I'm ...
    zub zub February 2013 Hardware
  • Spectrum 48k clonesI saw this website today and numerous 48k Spectrum clones. [url]http://zxspectrum48.i-demo.pl/clones.html[/url] A couple of them are really beautifu…

    ... any advantage (other than memory expansion) compared to the original?[/QUOTE ... /> Didaktik GAMA contain also parallel port connector, main board is very ...
    velesoft velesoft February 2013 Sinclair Miscellaneous
  • SAM Coupe - a video problemHi mates. Lately I managed to acquire a SAM Coupe 512K. There are, however, certain problems that - I thought - You might help me with, in a mome…

    ... the TV-set via antenna port - and have the same problem ... signals then on system connector(expansion bus) you can see logic ...
    velesoft velesoft April 2013 Hardware
  • SAM Coupe - a video problemHi mates. Lately I managed to acquire a SAM Coupe 512K. There are, however, certain problems that - I thought - You might help me with, in a mome…

    ... that on the little 256K expansion that's plugged into it ... of the lower DRAM is faulty. If it still appears, then ...
    Quazar Quazar April 2013 Hardware
  • SAM Coupe - a video problemHi mates. Lately I managed to acquire a SAM Coupe 512K. There are, however, certain problems that - I thought - You might help me with, in a mome…

    ... that on the little 256K expansion that's plugged into it ... of the lower DRAM is faulty. If it still appears, then ... them with those from 256K expansion - is it safe to leave ... those broken ones on the expansion, or should I just get ...
    Yerzmyey Yerzmyey April 2013 Hardware
  • SAM Coupe - a video problemHi mates. Lately I managed to acquire a SAM Coupe 512K. There are, however, certain problems that - I thought - You might help me with, in a mome…

    ... on the little 256K expansion that's plugged into ... of the lower DRAM is faulty. If it still appears ... them with those from 256K expansion - is it safe ... broken ones on the expansion, or should I just ... had just swapped from the expansion to the motherboard.
    ...
    Quazar Quazar April 2013 Hardware
  • 2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …

    ... 2 is just two joystick port, slot for ROM cartridge that ... or alternative Basic ROMs. With faulty M1 line you can do ...
    kpuchatek kpuchatek April 2013 Hardware
  • Project #1 : Speccy 128k+2 with diVide inside...Hi guys, I just have finished my Super Spectrum #1 The idea (I was thinking of that since 2007) was to fit an english grey +2 motherboard in a +2A…

    ... AUX/RS-232, Sound, Joystick, Expansion, etc?[/QUOTE]

    Everything ... both motherboards, except the printer port... So on my now grey ...
    bugpat bugpat May 2013 Hardware
  • Interface 1 bisOk, well the postmans just been and brought with him my new arrival, the Interface 1 bis. So as promised I thought I'd share some initial usage exper…

    ... clearly stated that, unlike other expansion solutions, which claim quasi-universal ... port-compatible ) AY-based sound card, if connected through the optional expansion ...
    Dan Antohi Dan Antohi May 2013 Hardware
  • DIVMMC, a new compact interface for ZX SpectrumAfter a long gestation period and a short period of testing, Mario Prato, member of the Italian [URL="http://apuliaretrocomputing.wordpress.com/"]Apu…

    ... then it's trivial to port existing IDE firmwares if it ... new ram used for system expansion. All other DIVIDE systems not ...
    velesoft velesoft May 2013 Hardware
  • ZX Interface 1 Odd ProblemI have just upgraded a rubber key ZX Spectrum (issue 3) to a ZX Spectrum+. Oddly, when used with a ZX Interface 1, CAT 1 produces a question mark. T…

    ... not.
    So check the expansion bus - yup, M1 and NMI ... a RAM chip (one was faulty so I'd already replaced ...
    Spirantho Spirantho June 2013 Hardware
  • esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)

    ... -mouse?
    or only RAM expansion with k-mouse?

    port...]
    RockRiver RockRiver June 2013 Announcements
  • esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)

    ... -mouse?
    or only RAM expansion with k-mouse?[/QUOTE]
    port...][/QUOTE]

    Yes, no ...
    velesoft velesoft June 2013 Announcements
  • 16K/48K Lower RAM (4116) replacement.You may want to read [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37957"]this thread[/URL] for background information on the quest t…

    ... . Renew or replace any other faulty components. But as Death says ... plugging anything in on the expansion edge-connector. If the locating ...
    1024MAK 1024MAK July 2013 Hardware
  • US Timex-Sinclair 2068 in EuropeWhilst in the States, I convinced a colleague to bid on a Timex-Sinclair 2068. We won the auction with a price much better than in Europe. Next time …

    ... cartridge port is more capable than Paul Farrow's cartridge expansion simply ... . This solution smacks of unnecessary expansion to end up with less ... the built in Timex cart port if that is what you ...
    Alcoholics Anonymous Alcoholics Anonymous July 2013 Hardware
  • US Timex-Sinclair 2068 in EuropeWhilst in the States, I convinced a colleague to bid on a Timex-Sinclair 2068. We won the auction with a price much better than in Europe. Next time …

    ... cartridge port is more capable than Paul Farrow's cartridge expansion ... joystick port.

    [quote]This solution smacks of unnecessary expansion ... built in Timex cart port if that is what ... have forgotten about the Bus Expansion line!? You still have ...
    chev chev July 2013 Hardware
  • US Timex-Sinclair 2068 in EuropeWhilst in the States, I convinced a colleague to bid on a Timex-Sinclair 2068. We won the auction with a price much better than in Europe. Next time …

    ... cartridge port is more capable than Paul Farrow's cartridge expansion simply ... . This solution smacks of unnecessary expansion to end up with less ... the built in Timex cart port if that is what you ...
    Encarnado Encarnado July 2013 Hardware
  • DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]

    ... in socket, sram 1MB, joystick port (bidirectional - can be connect next ... external hardware to joystick port), k-mouse with PS/2 ... -MOUSE, but will contain small expansion connector for connect next modules ...
    velesoft velesoft August 2013 Hardware
  • Spec dev in the eighties and ninetiesWhat different ways were there of making speccy games? There is the 'worst' way which is typing in hex commands in Basic unreadable, easy to make m…

    ... the printer port of the TRS-80 into the expansion bus of ...
    David Jones David Jones September 2013 Development
  • Linking spectrums - parralel processing is it possible?Was there any way to do this, (excluding disk, tape and microdrives)?

    If developers can link a PC to a spectrum via the expansion or printer port this should be possible,
    just need a cable and some z80 IN and OUT commands
    slenkar slenkar September 2013 Hardware
  • Linking spectrums - parralel processing is it possible?Was there any way to do this, (excluding disk, tape and microdrives)?

    ... a spectrum via the expansion or printer port this should be possible ...
    Dr BEEP Dr BEEP September 2013 Hardware
  • spectrum +3 replacing the fdd with DivIDE and a 2GB flash driveComplete newbie here Is it possible to remove the +3 fdd and replace it with DivIDE and a 2GB flash drive all fitted into the vacant space? All info …

    ... the expansion ribbon back into the machine and modifying the floppy port ... for a flash card port if possible.
    youno youno September 2013 Hardware
  • SNES versus Megadrive (yet again...)One of the most debated things on the Internet is which is best between the [B]Super Nintendo[/B] and the [B]Megadrive[/B] (we've even covered it on …

    ... an expansion slot on the back similar to the port you'd ...
    dm_boozefreek dm_boozefreek November 2013 Chit chat
  • Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…

    ... TRS-80 parallel (printer) port to the expansion bus of the ZX ...
    spectrumlinux spectrumlinux December 2013 Development
  • Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…

    ... hung off of the Spectrum expansion bus and the other end ... to the TRS-80 printer port.

    The software was ...
    David Jones David Jones December 2013 Development
  • Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…

    ... hung off of the Spectrum expansion bus and the other end ... to the TRS-80 printer port.

    The software was ...
    spectrumlinux spectrumlinux December 2013 Development
  • Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…

    ... a "Latch" configuration connected to port 255 (FFh).


    252 (FCH) - Port configuration interface. Since this is ... interface and enables I / O expansion connector. If = 0, ...
    255 (FFh) - secondary port configuration:
    Bits 0/1 ...
    Jmk Jmk January 2014 Emulators
  • Weird tv output by spectrum 48kI recently got a spectrum 48k and hooked it up to my tv. After finding channel 36, I get a really weird picture for the spectrum, why is that? Below…

    ... is that the ULA is faulty - there's a dodgy connection ... the ULA, and the IN port is held high all the ...
    Spirantho Spirantho February 2014 Hardware
  • IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…

    ... (running ZXS32.EXE with comm port 3 active), using the type ... connector. It wasn't a faulty 128k or +2. It wasn ...
    Amplitude Amplitude March 2014 Hardware
<1…17181920212223…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

Word Docs Hits
faulty 2.3K 2.8K
expansion 1.9K 2.3K
port 10.1K 15.4K

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