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<1234567…34>
  • Emulator support for East London Robotics SP80 memory expansion?Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That add…

    Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That adds another 32KB of RAM which you can page in/out at address $8000.
    mark_k mark_k February 2014 Emulators
  • ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…

    All are in original packaging and the lightpen has it's software and manual.

    The memory expansion is a 16k one.

    E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested..
    zeropolis79 zeropolis79 September 2003 Sales
  • Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…

    Here is new utility for testing DivXXX ram memory:
    [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
    velesoft velesoft December 2017 Hardware
  • Issue 1 ZX Spectrum for SaleBefore I go down the route of shoving this on ebay, I would like to offer fellow WoSsers the opportunity to express their interest in this item. It …

    ... .org/infoseek.cgi?regexp=32k+RAM+Memory+expansion&loadpics=3[/url]
    ZX-MAD ZX-MAD April 2008 Sales
  • 32k memory Italian memory expansionNot mine but its an [URL="http://www.ebay.co.uk/itm/TENKOLEK-32K-RAM-Expansion-Sinclair-ZX-Spectrum-/320861810075?pt=UK_VintageComputing_RL&hash=item…

    Not mine but its an [URL="http://www.ebay.co.uk/itm/TENKOLEK-32K-RAM-Expansion-Sinclair-ZX-Spectrum-/320861810075?pt=UK_VintageComputing_RL&hash=item4ab4daad9b#ht_2014wt_1185"]interesting find[/URL]
    Macc Macc March 2012 Sales
  • ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…

    I got recently Sinclair 16k memory expansion for my ZX81, but for ... years.
    Of course, maybe ram pack is faulty, but it ...
    Pegaz Pegaz March 2017 Hardware
  • CHROME: a new ZX model! :)Probably You know already about 'last days news', but well... ;) Such informations are so important that I'll put it here: here is a news about n…

    ... 58 / 7.1 MHz
    Ram memory 64K (spectrum basic), 8K Disk ... rom
    Ram Memory 160K (paged in 16K chunks ... ), 8K Disk ram
    Sound 3 channel, ... /O Joystick interface Kempston compatible, Expansion port, I2C interface,
    ...
    Yerz Yerz April 2004 Sinclair Miscellaneous
  • HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…

    ...
    I know that one RAM memory chip is out of order ... here to set 16K of RAM so 32K are enough to ...
    patrick delvenne patrick delvenne January 2005 Wanted
  • WANTED: East London robotics 80K expansionWANTED: an 80k memory expansion board for an issue 1 spectrum! These had 64K on them with a bank switching register and were sold by East London Robo…

    WANTED: an 80k memory expansion board for an issue 1 ... red LEDs visible through the expansion connector.
    I don't ... software ever used the extre memory but my mate used to ...
    swifty swifty August 2005 Wanted
  • Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …

    Does anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ?
    Looking at schematics it has to be simple solution, probably king of interleaving, but I could not find any details.
    kpuchatek kpuchatek October 2012 Hardware
  • Velesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…

    ... and modified:

    - extended ram memory to 1024 kB (1 MB ... extended ram

    - contain up to 8 x DivIDE memory, each ... br />
    - zx ram is in sram memory. 8 DRAM chips in ... .

    - big 512kB memory rom is full reprogrammable direct ...
    velesoft velesoft October 2012 Sales
  • Spectrum Ram UpgradeHi, I am looking to upgrade my 16K Spectrum to 48K. I have some 41256 dram chips from an old QL memory expansion, can the Spectrum us the large…

    ... chips from an old QL memory expansion, can the Spectrum us the ...
    doubledecca doubledecca August 2015 Hardware
  • What hardware Sinclair and not related has everybody got?Just had to try to list all my clutter in the attic and my dads garage (this has got a bit out of hand), anybody else got as much Retro as this (boug…

    ...
    Aquarius
    Aquarius 16k memory Expansion Boxed Mint Shrink Wrapped
    Vixen Switchable 16k Ram for Vic 20 Boxed
    ADJB ADJB September 2004 Sinclair Miscellaneous
  • help with new laptopNot exactly new, It is an apricot laptop, B/W lcd screen A:\ C:\ drives, dos6.22, and soon Win 3.1 My Q is can I fit a bigger HDD (it is a 60m forma…

    ... gave just over 9mb of ram in total.

    It ... of the laptop of the memory expansion area.

    As for ...
    MatGubbins MatGubbins June 2005 Chit chat
  • 16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.

    ... pointless at all (although 32K Ram Pack expansion emulation would be)
    memory check in the ROM only ... would actually address the 16K ram (shadow it) but clearly from ... 16K ROM and RAM (b15 = 0) and non-existent memory (b15 = 1 ...
    BloodBaz BloodBaz March 2007 Emulators
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... This model has a "common RAM field", like in 128k ... there's no contended RAM and there's no ... They come with 1024MB of RAM and onboard Betadisk (TR ... , #C000), there are 32 RAM pages and up to 32 ... to Speccy than ATM. Memory expansion scheme is compatible with both ...
    Sonic Sonic May 2007 Hardware
  • Bandersnatch ... what if.I just watched [strike][U][COLOR="Blue"]Commercial Breaks[/COLOR][/U][/strike] (again :rolleyes: ) and am wondering how it might have changed or revo…

    ... />
    You can order 128K memory expansion for an IBM compatible "PC ... "Up to 1 MEGABYTE of Ram" - There emphasis not mine.
    ADJB ADJB April 2008 Games
  • Issue 1 ZX Spectrum for SaleBefore I go down the route of shoving this on ebay, I would like to offer fellow WoSsers the opportunity to express their interest in this item. It …

    ... [/B]


    SOME memory expansion add-ons already being manufactured ... companies who already manufacture Spectrum Ram expansion boards. since their products arenn ... and produce two types of Ram expansion kits.


    Mark ...
    ADJB ADJB May 2008 Sales
  • Edge of Disgrace on the other side :)Got my mind blown today... saw the Edge of Disgrace demo on the commie ;-) Regardless if you are a c64 fan or not, you should see it. Effects and Des…

    ... . CPU 2Mhz, same amount of Ram, 4 channel sound chip, overall ... huge (by 8-bit standards) memory expansion to run - I can't ...
    gasman gasman November 2008 Sinclair Miscellaneous
  • I cant believe I clicked on it......Some toss pot (my friend) sent me this link.... Im scared for life! *WARNING...IF EASILY SHOCKED...DO NOT CLICK IT!....* I have edited the post!,…

    I'm not sure what the extra hardware was. Mikro-Gen's [I]Shadow of the Unicorn[/I] came with a 16K RAM pack that replaced the ROM. My guess would be Imagine's was some sort of memory expansion but with a dedicated sound system for the Spectrum too.
    joefish joefish April 2009 Chit chat
  • Rom upgrade(s) for the Humble spectrum +2 (not 2a or 2b)Hello there my fellow forum chummies, I was thinking today, after reading all this lovely rom burnery stuff, is there a way I could update the ROM o…

    ... more devices are on the expansion port??
    [/QUOTE]

    RAM, a combination of ROM and RAM, memory mapped I/O ... the CPU. (How to keep RAM refreshed is an exercise for ...
    Winston Winston June 2009 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... least there could be one memory SRAM chip used for many ... /> Impossible, Profi interface contain memory expansion for ram paging in high 16kB ZX ... ram (up to 1MB). But is ... rom emulation with write protected ram (work also rom paging on ...
    velesoft velesoft September 2010 Hardware
  • VIC-20 MegathreadWasn't the VIC-20 just a top machine? Discuss.

    ... anyone homebrews games with maximum memory expansion (whatever that is). Would ... contains all memory expansion configurations and some utilities. Top memory expansion is 32K ... Ram Packs were available.

    The other modern expansion is Final Expansion ...
    Alien 8 Alien 8 April 2011 Chit chat
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    ... Plus use 512kB RAM, but not as DivIDE memory expansion. In DivIDE mode ... can use only 32kB ram as ... rom + 512kB ram = 1MB memory. Divide Plus use compatible memory paging with MB02 ...
    velesoft velesoft May 2011 Hardware
  • Vic 20 megathreadMi mates just been round and given me his old vic the boxes are mega tatty but exist, mostly this is what it contains vic 20 powersupply ariel lead…

    ... only work unexpanded or with memory expansion, 8k and 16k games will ... just wont though, something about memory blocks or something[/QUOTE]
    ram pack, specially as hes played ... , youd think the game and ram pack go together as theyre ...
    mel the bell mel the bell August 2011 Chit chat
  • IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…

    ... Contain 1MB ram + 512kB rewritable flash eprom. Use DivIDE memory mode (work ... at end of 1MB ram), ZX memory expansion to Pentagon 1024, Scorpion ... +, TR-DOSMB02+). In one memory can be used up to ... /RAINING" effect or disable memory and ports contention can be ...
    velesoft velesoft August 2011 Development
  • New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…

    ... INTERFACE use DIVIDE memory emulation or TR- ... memory expansion (big DIVIDE rom + big DIVIDE ram)

    Complette memory ... ram - first 128kB is used for ZX128 memory, next memory ... Profi,Scorpion), DIVIDE memory, ZX rom emulation, MB02+ memory.
    < ...
    velesoft velesoft February 2012 Hardware
  • Manic Miner ZX81Hi Guys, Can anyone explain why [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0017539]Manic Miner ZX81[/url] is not able to reproduce the ex…

    ... />
    Unfortunately the standard 16K RAM pack for the ZX81 does ... (since apparently the built-in RAM supported the "I" register pointing ... to RAM, although this would not work ... area was replaced by a memory expansion) or if you use a ...
    Einar Saukas Einar Saukas March 2012 Sinclair Miscellaneous
  • 80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…

    ... hard to have to swap memory banks to have a high ... 1982 they were planing a memory expansion on their Spectrum clone as ... was planning a external memory expansion (the Bus Expansion Unit).
    Only in ... Spectrum with more than 48K RAM.
    Also you have to ...
    Encarnado Encarnado August 2012 Sinclair Basic
  • 80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…

    ... was planning a external memory expansion (the Bus Expansion Unit).[/quote]
    The ... a lot of RAM to steal from main memory the display. The ... Spectrum with more than 48K RAM.[/quote]
    Well yes. The ...
    chev chev August 2012 Sinclair Basic
<1234567…34>

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HitBox

Word Docs Hits
ram 12.6K 21.4K
memory 21.8K 32.5K
expansion 1.9K 2.3K

Related Threads

  • 32k memory Italian memory expansionNot mine but its an [URL="http://www.ebay.co.uk/itm/TENKOLEK-32K-RAM-Expansion-Sinclair-ZX-Spectrum-/320861810075?pt=UK_VintageComputing_RL&amp;hash=…
  • ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual.<br /> <br /> The memory expansion is a 16k one.<br /> <br /> E-mail me a…
  • Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS)<br /> <br /> --------------------<br /> In the +3, we have crammed in more than<br /> tw…
  • OT: Removing the metal shield of an Amiga A501 ram expansionBefore I bugger off to an Amiga forum, I just wondered if anyone here has removed the metal shield off an A501 (to swap out a leaky battery) without …
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code:<br /> <br /> [CODE]<br /> ;; ram-check<br /> L11DA: LD H,D ; Transfer the top value to the HL registe…
  • Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ?<br /> Looking at schemati…
  • Joystick Interface with built in RAM expansion?Is there such a thing as a RAM pack with a joystick interface built in?
  • DIY Issue 1 Internal 32K RAM expansionFollowing on from the information in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40173"]this[/URL] thread, I finally figured this ou…
  • Emulator support for East London Robotics SP80 memory expansion?Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That add…
  • Sinclair ZX81 16k Ram ExpansionHi ,<br /> If anyone has a working one of these in the UK for sale, please PM me with the cost inc shipping.<br /> <br /> Thanks

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