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<1…20212223242526…34>
  • Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…

    ... , when it's actually the RAM or power circuits. Searching the ...
    csmith csmith October 2010 Hardware
  • 48k games developed on the 128kSeeing as I don't know enough about this subject(or the history of assemblers/C/C++/BASIC/FORTH/COBOL/whatever programming kits), I thought I'd ask h…

    ... think of is the extra RAM usable for games, but of ... use of all that extra RAM.

    So I thought ...
    ZnorXman ZnorXman October 2010 Sinclair Miscellaneous
  • Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…

    ... rubber key Spectrum with 48K RAM. Suddenly it lost it's ... 's 16K model with working RAM. But I own couple of ... is 48K model with fault ram. After changing faulty upper memory ...
    lillaolle64 lillaolle64 October 2010 Hardware
  • VIC 20 on the SpectrumThe original "20 Commodes" program released for CSSCGC 2008 has been improved and now has its own entry in WoS. The improved code has been sitting on…

    ... .
    2) Support for 8K RAM and cartridge extensions (+2A/+3 ...
    Jimmy Jimmy October 2010 Announcements
  • FRINGE in the ZX SpectrumJust picked it from the "other side"... ;) [list] [*][url=http://www.atc.us.es/~rodriguj/fringe128.tap]For 128K toastrack/+2 grey[/url] [*][url=http:…

    ... first time with PLAY) and RAM disc commands. As Amstrad changed ... the syntax for managing the RAM disc, so there's two ...
    mcleod_ideafix mcleod_ideafix November 2010 Chit chat
  • Anyone wanna put together a Speccy package for a noob?Hey all, Bought a couple ZX Spectrum tape games off eBay a while back. My whole collection soon went into storage and I hadn't unpacked it until rec…

    ... of variation and revisions, different RAM amounts etc.) Obviously would need ...
    scandolara scandolara November 2010 Wanted
  • Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …

    ... =http://img543.imageshack.us/i/ram.png/][IMG]http://img543.imageshack ... .us/img543/1706/ram.png[/IMG][/URL]

    ASM ASM November 2010 Development
  • eZX Sparky[url]http://members.cox.net/supersparky/[/url] Is anybody else following the development of this interesting little project? How long has it been ar…

    ... /> An eZ80 running @50MHz, 16MB RAM and a maximum resolution of ...
    retrogod retrogod November 2010 Hardware
  • ZX BASIC and garbage collection...Hi Folks, I was thinking about using the following approach in a program I am writing: [CODE]DIM d$(100,50) LOAD "NAMES" DATA d$() ... DIM d$(50,25…

    ... and saved to the 128K RAM disk. During the execution of ... will be loaded from the RAM disc i.e. swapped in ...
    Paddy Coleman Paddy Coleman November 2010 Sinclair Basic
  • ZX48K: KILLING keyboard membrane?Hi. My friend - JAD - decided to get back from C64 to ZX Spectrum 48K after some break (that's the man who coded this program [url]http://www.pouet…

    ... things like converter/transverter or RAM?

    Thanks in advance ...
    Mister Beep Mister Beep November 2010 Hardware
  • Problem with se basicI use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program i…

    I use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program in 48 basic and switch to SE BASIC then show basic incorrect. Why ?
    velesoft velesoft December 2010 Sinclair Basic
  • Wanted a couple of broken 48k speccysI would like to know if anyone has got a couple of broken 48k rubber key speccys. All I ask is they are complete - no missing rom/ram/transistors etc…

    ... are complete - no missing rom/ram/transistors etc., at least one ...
    hedge hedge December 2010 Wanted
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... at 20-25MHz, 512K-640K RAM, 256 colours and the ability ... me what limit is on RAM? How much could a Spectrum ... benefit from a little more RAM and speed although its impressive ...
    Rebelstar Rebelstar December 2010 Hardware
  • Newbie questions about +2a - joystick interfaceI brought a +2a system back from London with me on a recent vacation and have gotten it working here in the states. I've found that if I plug my joys…

    ... also tried an external interface (ram turbo) and they seem to ...
    98PaceCar 98PaceCar December 2010 Hardware
  • AGTY: Cambridge Z88 freeHi everyone, I have a Cambridge Z88 I am giving away, if anyone is interested it is listed on anygoodtoyou.com [URL="http://www.anygoodtoyou.com/…

    ... the battery cover), manual, 2 RAM carts and Computer Concepts Spellmaster.
    agty agty December 2010 Sales
  • Dumb question but deep answer wantedWhy is the ram on the 48k made up of 8 chips. Both upper 32k and lower 16k (4116) are set up like this. Taking the 4116 as an example this us a singl…

    Why is the ram on the 48k made up of 8 chips. Both upper 32k and lower 16k (4116) are set up like this. Taking the 4116 as an example this us a single 16k dram chip, so why the need for 8 of them?

    I've read so much I am going snow blind;-)
    hedge hedge December 2010 Hardware
  • ZXC3 Rom CartridgeI recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake.plus.com/"]Paul Farrow[/URL] fully populated with the latest diagnostic softw…

    ... if you have rom capability (Ram turbo, IF2 etc), this is ...
    Macc Macc December 2010 Hardware
  • Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…

    ... and save it out to RAM disk without it being displayed ... />
    Also, once saved to RAM disk can it be reloaded ...
    Paddy Coleman Paddy Coleman December 2010 Sinclair Basic
  • broken 48K, strange screenwell I finally socketed all lower 16K ram chips, (8 of them in a row near corner, not those 4 in two rows) and replaced them with new ones but it did…

    ... finally socketed all lower 16K ram chips, (8 of them in ... just tested the voltages on RAM chips and they seem to ... wrong :( , maybe those 8 new RAM chips died.
    how to ...
    orange orange December 2010 Hardware
  • FRAMES counter...Hi Folks, I wrote a test program that uses FRAMES to generate a clock. When I tested this within BASin it worked well and kept near perfect time. …

    ... from a .TAP file or RAM disk? Does this suspend the ...
    Paddy Coleman Paddy Coleman January 2011 Sinclair Basic
  • repaired a 48K, yay :)I just managed to repair one 48K. After socketing all eight lower RAM chips (hard work!) and replacing few of them, it showed the familiar "Sinclair …

    ... . After socketing all eight lower RAM chips (hard work!) and replacing ... : does that mean all lower RAM is now OK? (if so ...
    orange orange January 2011 Hardware
  • Screen$ command, ROM routineHi All, Does anyone know which ROM routine to call for the Screen$ command (and/or the ATTR command)? Any comments on how well it works or the spee…

    ... speed compared to a homemade RAM one?

    It's ...
    R-Tape R-Tape January 2011 Development
  • Not worth reading really - unless you have some spare time(Mods if you want to move it please do it does have a sort of hardware theme and a couple of recommendations at the end :) About two years ago now I…

    ... died was the ULA/lower ram, so what would cleaning the ... on the speccy, IF1 and RAM turbo do? So I took ... did my best with the RAM turbo as I can't ... unplugged - no IF1 and no RAM turbo, swithed her on.... it ... with the IF1 and the RAM turbo and all is back ...
    hedge hedge January 2011 Hardware
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... translation table and hooks into RAM (i.e. rewiring IM1 vector ... this part will be in RAM - but it should be relatively ...
    tstih tstih January 2011 Development
  • URGENT: BASin issues...Hi Paul, I know you have heard this many times and I am one of the worst offenders! :smile: Up until recently the stability of BASin was good but n…

    ... I am using the 128K RAM disk the performance and stability ...
    Paddy Coleman Paddy Coleman January 2011 Sinclair Basic
  • VIC 20 Ram CartsHas anyone got a 3k,8k and 16k for sale? A switchable one would be better but ill settle for some or all the above if anyone can help.

    Has anyone got a 3k,8k and 16k for sale? A switchable one would be better but ill settle for some or all the above if anyone can help.
    Macc Macc January 2011 Chit chat
  • DIVIDE with 512kB memory upgrade for saleI sell DIVIDE (original version 57c) with my memory upgrade to 512kB ram. [img]http://velesoft.speccy.cz/other/divide512-smallpic.jpg[/img] More in…

    ... my memory upgrade to 512kB ram.

    [img]http://velesoft ... />
    Divide contain only 512kB ram + 8kB eeprom(original eeprom chip).
    velesoft velesoft January 2011 Hardware
  • A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…

    ... , and I thought 1GB video RAM was a waste, especially if ...
    ewgf ewgf February 2011 Chit chat
  • 2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…

    ... that, so I suspect a RAM problem... Now, when I plug ...
    Diogo Diogo February 2011 Hardware
<1…20212223242526…34>

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