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<1234567…34>
  • ROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …

    Assuming the Spectrum 128 memory map and port addresses, but two ... it returns.

    The RAM part of the paging routine ...
    chev chev January 2006 Development
  • Help using M3 ramFrom the Multiface 3 manual. [quote]6.0 The Use of Extra 8K RAM --------------------------- The MULTIFACE's 8K RAM extension can be accessed and us…

    ... The Use of Extra 8K RAM
    ---------------------------

    The ... MULTIFACE's 8K RAM extension can be accessed and ... on how to access the RAM extension.[/quote]

    ... ve been using the Multiface 128 ram for my own programs, now ...
    FrankT FrankT September 2008 Development
  • How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …

    ... page in a bank of RAM to a given position on ... the +3 and the other 128's.

    What I ... the top of the RAM map, test the RAM like Geoff's great ... it again until all the RAM has been gone through in ... , if that routine in the 128 ROM is as simple as ...
    DEATH DEATH July 2007 Development
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... .1:
    [list]
    [*]128 RAM cleared on cold restart.
    128 UDGs.
    [*]80 column ... [*]AY supported on Timex and 128 ports.
    [*]AY-3- ... [*]Quick start guide, including memory map, system variables, flags, and command ...
    chev chev October 2013 Sinclair Basic
  • Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…

    ... a Spectrum with a 16K RAM fault, I could boot from ... ROM and then test the RAM from it. I'd then ... /> [*]OFFICAL TEST PROGRAMS
    [*]SPECTRUM 128 RAM TESTER
    [*]SPECTRUM ROM TESTER ... .htm[/url]

    The 128 RAM Tester and ROM Tester won ...
    Tekno Venus Tekno Venus August 2014 Hardware
  • MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…

    ... 5 and Bank 7 of 128 RAM. That gives a total of ...
    Mister Beep Mister Beep January 2009 Development
  • What spec/age is your computer(s)?Not started a thread for a while so here goes. I have a Desktop Replacement Rock Direct Quaddra Ti 3.4Ghz machine which was 4 years old in January. …

    ... 6600 2.40GHz
    1GB Ram
    2x500GB HDD
    ... of some description
    2GB Ram
    500GB raid mirror< ... willamette 1.7GHz
    1.128 Ram (iirc)
    160GB HDD< ... 2.8GHz
    2GB Ram I think
    160GB ... 166 133MHz
    64MB ram I think (it had more ...
    guesser guesser May 2009 Chit chat
  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... the machines developed with >128 Ram, two AY chips, per-pixel ...
    bobs bobs August 2009 Development
  • The most unique game loaderFor me it has to be Technician Ted, when the stripes give way to walking men and a timer.

    ... would be running in contended RAM and a couple of pokes ... - copying all the data to 128 RAM then streaming in using the ...
    nuggetreggae nuggetreggae April 2011 Games
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... 'd corrupted a part of RAM the game relies on at ... the use of the Multiface 128 RAM, which should only corrupt 2 ...
    RobeeeJay RobeeeJay January 2012 Sinclair Miscellaneous
  • What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …

    ... ]

    I use the 128 RAM disk in MRT to store ...
    Paddy Coleman Paddy Coleman May 2012 Sinclair Miscellaneous
  • What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …

    ... Coleman;625440]I use the 128 RAM disk in MRT to store ...
    chev chev May 2012 Sinclair Miscellaneous
  • Issue 2 headache!Ive got an issue 2 here that firstly had a blown regulator (fixed), now its reading as a 16k machine (its fully populated), ive replaced and socketed…

    See here: [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm"]ZX Spectrum 128 RAM Tester[/URL]
    1024MAK 1024MAK August 2012 Hardware
  • Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…

    ... a Interface 2 or a RAM Turbo interface (and assuming you ... I use is the "SPECTRUM 128 RAM TESTER" at [URL="http://www ...
    1024MAK 1024MAK May 2013 Hardware
  • Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…

    ... ] (Brazilian Spectrum clone) with TKMEM-128 RAM expansion ([URL="http://cantinhotk90x.blogspot ... .com.br/2013/02/tkmem-128-e-programa-de-teste.html ...
    TK90XFan TK90XFan September 2013 Emulators
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... could be configured to do 128 style shadow screens or even ... 5 or Bank 7 of 128 RAM with or without ULAplus)
    chev chev May 2014 Hardware
  • Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…

    ... carts.

    [quote]The 128 RAM Tester and ROM Tester won ...
    chev chev September 2014 Hardware
  • EmuZwin 128k banks in assembler Having looked at the assembler help file " ORG [{ RAMn | ROMn },] #target_address [, #dest_address ] Defines target assembling address and ta…

    Been going around in circles tonight trying to find the way of selecting a 128 ram bank.
    Yes the emulator is in 128 Spectrum mode. The above suggestions didn't work either, thank you for the ideas.
    Got bored.
    MatGubbins MatGubbins August 2015 Emulators
  • Tritone WIP tunesTwo wip's I don't know what to do with. Free to use. https://dl.dropboxusercontent.com/u/9498358/beepola/tritone/super70s.tap https://dl.dropbox…

    ... /> Getting to grips with this 128 ram banking stuff is a nightmare ...
    MatGubbins MatGubbins August 2015 Announcements
  • I recapped my 128K toastrack, installed stereo kit and detached audio from video, but...Hello fellow forumers! I'm seeking for help: I've finally decided to change all electrolytic capacitors of my 6U (with all Panasonics 105oC)... Af…

    ... machine with Paul's Farrow 128 RAM Tester, ROM tester and it ...
    geosiou geosiou October 2015 Hardware
  • New Game: R-Swype Reloaded[img]http://s10.postimg.org/sldc6znah/rswype_preview.png[/img] Heavily reworked version of the 2013 css crap game entry, originally written for th…

    ... game is strewn across many 128 RAM banks.

    Its an ...
    daveysludge daveysludge December 2015 Brand new software
  • Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…

    ...

    [b]ZX Spectrum 128 RAM Tester[/b] - now tests 128k ...
    1024MAK 1024MAK August 2017 Hardware
  • Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…

    ... You up to 1024Kb of RAM.

    _________________________________________
    128 memory to 512kB,
    (everywhere fast ram)
    Page switch via ... TRDOS.
    DivIDE could map TRDOS. Someone could write ...
    Yerz Yerz June 2004 Sinclair Miscellaneous
  • 128 BASIC running in softwareIt is possible to run 128 BASIC in two paged RAM banks, but it's not very stable.

    It is possible to run 128 BASIC in two paged RAM banks, but it's not very stable.
    chev chev April 2006 Sinclair Basic
  • Multiface 128 problemHello everyone i have a 48k plus speccy which i firstly thought was working perfectly. It passed all the test of the official Sinclair test tape (cpu…

    ... test tape (cpu, rom, ula, ram) so i thought it was ... /> Today i bought a multiface 128 from ebay, On this particular ...
    gtsamour gtsamour November 2006 Hardware
  • Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…

    ... (which has no onboard RAM and so is only supported ... the 512K battery-backed RAM and a snapshot button. ...
    [*]You can map different drive letters to different ... in the built-in RAM and are instantly available ... from the built-in RAM, including ZX80 and ZX81 ...
    glancaster glancaster January 2007 Hardware
  • Did the 128 really need that oversized heatsink?Quick question: Did the 128 generate extra heat (compared to the Plus) to warrant the new heatsink? Obviously the machine carried extra RAM and addit…

    Quick question: Did the 128 generate extra heat (compared to ... ? Obviously the machine carried extra RAM and additional components, but the ... a funcational need for the 128's heatsink, or it just ...
    MartynC MartynC January 2008 Hardware
  • Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…

    ... fact 131072 bytes of
    RAM and 65536 bytes of ROM ... and 48K of RAM ([B]or 64K of RAM with no ROM ...
    Ralf Ralf March 2008 Development
<1234567…34>

Latest Posts

  • European Software Titles with an English version
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  • 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
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    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
128 9.4K 14.8K
ram 12.6K 21.4K
map 10.3K 16.3K

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