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<1…16171819202122…34>
  • Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…

    ... makes me wonder: How much memory does a Speccy have, included ... the memory used by the machine itself ...
    Pilsener Pilsener March 2007 Hardware
  • Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…

    ... looking for the original sinclair memory board to make it 48k ...
    ZX-MAD ZX-MAD March 2007 Wanted
  • Install Linux to Memory Card(MMC/SD etc)?For anyone that knows, would it be possible to install Linux to a Memory Card? My new PC has a card reader that supports SD, MMC, MS, SMC, CF and MD…

    ... to install Linux to a Memory Card?

    My new ...
    FrankT FrankT March 2007 Chit chat
  • List of POKEs and PEEKs/cool memory addressesI was wondering if there was a list of cool memory addresses to POKE and/or PEEK. For example, I know that PEEK 23674 tells you how long a Speccy has…

    ... was a list of cool memory addresses to POKE and/or ... Spectrum ROM Disassembly', but for memory addresses instead of assembly routines?
    Gizmoguy Gizmoguy April 2007 Sinclair Basic
  • Vague memory of a gameHi all, something's been bugging me on and off for ages. I once had a speccy game that I can't remember the name of. Sadly I can't recall many of the…

    ... a bit hazy, but my memory isn't what it was ...
    LarryLaffer LarryLaffer April 2007 Games
  • Laptop memoryIf anybody is interested before it goes on Ebay.... 2 x 512MB Hynix PC2-4200 memory modules Hardly used - I upgraded the memory a couple of days af…

    ... x 512MB Hynix PC2-4200 memory modules

    Hardly used ... - I upgraded the memory a couple of days after ...
    ADJB ADJB April 2007 Sales
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... run machine code from the memory area used by the display ... you were really out of memory and some part of screen ...
    Rickard Rickard May 2007 Development
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... way to disable all onboard memory - like ROMCS but for the ... whole memory map?

    Translating the ... piece of on-board memory and map external memory over it. CP ...
    Jonathan Harston Jonathan Harston June 2007 Hardware
  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…

    ... IO and memory contentions are faithfully reproduced,
    along with contended and ...
    csmith csmith July 2007 Hardware
  • Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…

    ... am just messing with paging memory in and out (not achived ... 7F LD BC, NN Hardware Memory Switch
    ED 78 IN ...
    carlinski carlinski September 2007 Development
  • Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…

    ... +2.

    Unless my memory is wrong (it's very ... the memory contention issues. The +2a/+3 had different pages of contended ... />
    Of course, if my memory serves me wrong, and in ...
    icabod icabod October 2007 Hardware
  • Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…

    ... or 128/+2(grey) is contended and uncontended ports.
    ... half of all ports will contended (slow down by ULA). ... =1, ports is slow (contended)
    If A15=1 ... A14=1 and fast memory page is set, ports ... and slow memory page is set, ports is slow (contended)
    ...
    velesoft velesoft October 2007 Hardware
  • Memory SticksI know some of you keep old PCs alive. 72 Pin Simms I've got half a dozen, some in pairs. Any interest and I'll try and figure out what they are. …

    ... will take PC100 if the memory switches down.) - Lowest prices paid ...
    dekh dekh November 2007 Sales
  • Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…

    ... a problem with the high memory of a 4B issue.
    memory and one of them was ... changed the wiring for the memory settings from OKI and H ... />
    If i insert the memory from a working speccy (with ...
    gtsamour gtsamour December 2007 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…

    ...
    twice the amount of memory than can comfortably fit. While ... the processor) always 'sees' the memory as 16K of
    ROM ... program to "disconnect" the ROM memory completely and to write to ... the lowest 16 KB of memory with proper paging?
    I ...
    Ralf Ralf March 2008 Development
  • Packing numbers in as least memory as possibleI am writing some code for drawing vector lines etc. on the screen. These need to be stored in memory and I want to pack them in a smaller area as po…

    ... need to be stored in memory and I want to pack ...
    carlinski carlinski March 2008 Development
  • Memory management in new IDE interfacesHi all, I have a question concerning the memory (RAM) management of the new mass storage devices like ZXCF+ or others. The mostly come with 512kb o…

    ... have a question concerning the memory (RAM) management of the new ... is now, how is the memory paged in or out or ... does the Speccy address the memory? Is this done in kind ... of memory areas or something else? My ...
    maskenlos maskenlos July 2008 Hardware
  • How to contend memoryHow has this been achieved, electronically? Is there a "memory ready"-line for each bank, or something?

    How has this been achieved, electronically? Is there a "memory ready"-line for each bank, or something?
    wilsonsamm wilsonsamm August 2008 Chit chat
  • Error Message on memory testI have just tried PRINT PEEK 23732 + PEEK 23733 * 256 on what I think is a 48K rubber key machine and instead of getting either (a) for a 48k unit…

    ... /> Is this indicative of screwed memory ?
    ADJB ADJB November 2008 Hardware
  • Memory and BasicQuestions 1. How much memory is available for Basic Progs? 2. How do I check how much is left? 3. How much memory does an array take up?

    Questions

    1. How much memory is available for Basic Progs?
    2. How do I check how much is left?
    3. How much memory does an array take up?
    chop983 chop983 November 2008 Sinclair Basic
  • Utility to read/write to memory cards formatted for +3EThis post comes from [url=http://www.worldofspectrum.org/forums/showthread.php?t=25658]this thread[/url]. I've released a small command-line utility…

    ... read files from a memory card or HDF image ... 3DOS partition inside the memory card or HDF file ... for handling +3E formatted memory cards without having to ... and file name on your memory card / disk image.
    memory card /image disk.
    ...
    mcleod_ideafix mcleod_ideafix July 2009 Emulators
  • Erase part of memory in SPIN?A question for SPIN (or perhaps Spectaculator). If I have a game loaded in memory and would like to erase part of the memory while keeping the rest …

    ... have a game loaded in memory and would like to erase ... part of the memory while keeping the rest of ... like to erase the screen memory and watch what will happen ...
    Rickard Rickard August 2009 Emulators
  • Extended memory and SNApshots in emulatorsExist any snapshot fileformat that support extended memory for ZX (clones) ? I see only Z80 fileformat with 48/128 and 256kB(ZS Scorpion 256) support…

    ... snapshot fileformat that support extended memory for ZX (clones) ? ... but support only 128kB memory and not contain some other ... STEALTH" support save extra memory in Z80 files (contain added ... one file with length = zx memory size(uncompressed raw) + additional ...
    velesoft velesoft August 2009 Emulators
  • Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…

    ... problem with one of the memory chips used for the extended ... 128K memory. I've tested the first ... way to determine if the memory is at fault, and which ...
    JohnH JohnH November 2009 Hardware
  • MemoryWhat is the highest memory location on a 16k spectrum ?

    What is the highest memory location on a 16k spectrum ?
    Mr Millside Mr Millside December 2009 Development
  • Vauge arcade memory type recolection.This has been bugging me for a couple of weeks now, and id considered starting a thread about it several times and decided against it. As i havent ha…

    ... worked. Is this a fake memory, did it realy exist can ...
    1980-20.. 1980-20.. December 2009 Chit chat
  • Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…

    ... somehow I'm surpassing the memory I'm supposed to use ... . Unfortunately I'm used to memory management to be transparent to ... do to avoid or minimize memory conflicts like that?

    memory and avoid crashes' tutorial, but ...
    Emlyn_Hughes Emlyn_Hughes December 2009 Development
  • memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …

    Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or do they all need replacing.or do i have to use tms ones
    kenny.tigger kenny.tigger January 2010 Hardware
  • 128k memory use in multiloadsIs there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the …

    Is there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the memory at once?
    rustyredline rustyredline January 2010 Games
<1…16171819202122…34>

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HitBox

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memory 21.8K 32.5K

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