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<1234567…34>
  • 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 mass ... 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
  • Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…

    ... ROM, which failed the upper memory RAM test, suspecting IC25 and 26 ... high to enable the upper memory and under which conditions? Any ...
    protek protek January 2017 Hardware
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... true allram mode with 16kB memory paging with selectable write protect ... with absolutly different rom, after reset/power on can system in ... switch more systems. In one memory ram 512kB is RESIDOS+BS-DOS ... MENU+TRDOS EMUL + next free memory pages. Is this comfort on ...
    velesoft velesoft January 2009 Hardware
  • 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…

    ... port #FE is slow) and memory ram is also fast(uncontended), only ... clones only rom, extended ram, fast ports/memory and trdos. This ... extra NMI button and EXTRA reset. If you press both then ... use also MB02+ memory (compatible with DIVIDE+ memory) and enable use ...
    velesoft velesoft February 2012 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…

    ... reset (including power-up), the Disciple ROM and RAM ... RAM at 8k to 16k?

    When paging memory ... of the Disciple's memory (RAM or ROM) takes all ... the currently paged in memory (the Spectrum's ROM ... come from the Disciple ROM/RAM.

    When ...
    1024MAK 1024MAK July 2016 Hardware
  • Addresses in Fuse debuggerFrom Fuse man page: [I]Addresses can be specified in one of two forms: either an absolute addresses, specified by an integer in the range 0x0000 t…

    ... a location offset bytes into memory bank page, independent of where ... bank is currently paged into memory. RAM pages are indicated simply by ... />
    br 7:0x000F
    (RAM bank 7 and offset 0x000F ...
    TK90XFan TK90XFan October 2013 Emulators
  • ebook on graphicsi would like to learn coding about sinclair graphics in machine code. is there any scanned ebooks about it on a site?

    ... of the +2, mainly extra memory Ram pages and AY, among other ...
    Sadako Sadako January 2004 Development
  • Saving EliteCan anybody recommend an emulator and elite download that I'll be able to save the commanders progress on? I've stopped using my favourite Spectrum g…

    ... tape is only resident in memory (RAM) and to save it permanatly ...
    saiwong saiwong April 2005 Games
  • How are people developing?Are most coding on actual HW or under emulation, or cross developing?

    ... ...

    ROM - random overwrittable memory
    RAM - read alone memory
    :D
    piters piters September 2006 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 mass ... br />
    I develope new memory manager for MB02+/Divide+/ZXCF ... and DivIDE 512. Memory pages is divided to more ... sectors and memory manager use big sector table ...
    velesoft velesoft July 2008 Hardware
  • DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…

    ... damaged.[/QUOTE]

    DIVIDE memory ram/rom will return data if ... . But in low 16kB is ram page and +3 return also ...
    velesoft velesoft February 2009 Hardware
  • divide plus back to life , preorderI have green light form authors to made DIVIDE PLUS, anybody interested? Promise from me , fully asembled and tested DIVIDE PLUS in plastic case. Qua…

    ... />
    Original DivIDE use external memory ram 32kB+8kB eeprom. Last DivIDE ... allram mode(similar as MB02+ memory)and can use software enabling ... MB02 compatible memory 512kB ram+512kB(?) flash eprom. This extra memory is actually ...
    velesoft velesoft July 2009 Hardware
  • Windows Experience IndexI had a rather pointless thought, but am drunk enough to ask it here. For those on Windows Vista or 7, what is you Windows Experience Index number? M…

    ... />
    Processor: 5.5
    Memory (RAM): 5.6
    Graphics: 5 ...
    thehive thehive August 2009 Chit chat
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... address BUS, random access memory (RAM), read only memory (ROM), central processing units ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... and can use all other memory ram up to page 31.
    memory. But FATWARE use ram pages 28 and ... ). Any access to higher memory = rewrite divide ram pages of FATWARE system ... of rom/ram and RESIDOS will begin from end of memory (from ...
    velesoft velesoft November 2010 Hardware
  • How many full time users of Linux on the forum?How many of you on WOS forum use Linux as a permanent OS replacement (excluding casual duel boot users who also duel boot Windows?). I use Linux Min…

    ... the amount of your computers memory.[/QUOTE]
    That's ... the [I]physically[/I] installed memory (RAM modules). If not, you have ... . Why? Because for example a memory leak would cause swapspace to ... GB RAM and [B]no[/B] swap, everything runs fine & memory ...
    RetroTechie RetroTechie March 2012 Chit chat
  • Getting an 14Mhz crystal to oscillate?I am building a circuit with an 74LS32 and a 74LS193 to work as frequency divider. Though I have hit a snag, how to I wire up a crystal to make it os…

    ... using a half tone for Memory RAM clock and a CPU at ...
    Zetr0 Zetr0 August 2012 Hardware
  • Help A Dim Man With UbuntuHeeeeeeelllllppppppp!!!!!!!!!!! I have XBMCbuntu installed on my media PC which normally works great. I logged out of XBMC into the desktop and th…

    ... [/B] we're not talking memory (RAM) issues here? :???: (since you mention ... "low on memory" in your 1st post)
    RetroTechie RetroTechie October 2012 Chit chat
  • 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…

    ... interface, but PCB contain big ram 128kB (with possibility place ... Original old DIVIDE use small memory ram 32kB and new versions of ... disc because is no free memory for backup zx screen ... use compatible memory paging as original divide + contain next ram pages ...
    velesoft velesoft May 2013 Hardware
  • Flash card memory things for the SpectrumWhat are those devices called that plug into the back of the Spectrum where you can load games from SD cards / Compact Flash cards etc? Which ones …

    ... PLUS is divide with extra memory ram and rom for possibility install ...
    velesoft velesoft June 2013 Sinclair Miscellaneous
  • Addresses in Fuse debuggerFrom Fuse man page: [I]Addresses can be specified in one of two forms: either an absolute addresses, specified by an integer in the range 0x0000 t…

    ... [I]offset[/I] bytes into memory bank [I]page[/I], independent ... bank is currently paged into memory. RAM and ROM pages are indicated ... , respectively, by `[I]RAM[/I]' and `[I]ROM[/I ... `[I]Betadisk[/I]', `[I]DISCiPLE RAM[/I]', `[I]DISCiPLE ROM[/I ...
    guesser guesser October 2013 Emulators
  • Buying ram for W7It's been a long time since I bought any ram for a PC (I think I bought a few DIMMs when they first appeared) so I thought I'd ask here to make sure …

    ... to use all 4GB of memory, due to the way Windows ... likely see something like "Installed memory (RAM): 4GB (3GB usable)"

    Marko Marko March 2014 Chit chat
  • Buying ram for W7It's been a long time since I bought any ram for a PC (I think I bought a few DIMMs when they first appeared) so I thought I'd ask here to make sure …

    ... I'm hoping the extra ram will at least partly address ... to use all 4GB of memory, due to the way Windows ... likely see something like "Installed memory (RAM): 4GB (3GB usable)"

    VincentAC VincentAC March 2014 Chit chat
  • The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…

    ... measured voltages from the lower memory and got pretty much zilch ... /> A few days later, the memory chips and the BC557 arrived ... joints and changed the upper memory RAM chips and I am now ...
    protek protek April 2014 Hardware
  • RobikHello to all, Is anyone experienced on this russian clone? I have one at hand with corrupted screen (but it boots and replies to keyboard inputs so …

    May be a problem with the memory RAM.
    flopping flopping January 2015 Hardware
  • Vega ARM SOC?I read that the core of the new Vega was an ARM SOC. I thought it would have been an FPGA. But it seems it's an ARM running an emulator. Anyone kn…

    ... registers, (presumably) plenty of flash memory + RAM included, and much higher clock ... the ARM cpu. And flash memory! (if included, that is: game ...
    RetroTechie RetroTechie October 2015 Vega
  • Another 48k Speccy acting as a 16K model.Hi all, I originally was going to post asking for help to fix the new addition to my family a very nice condition Issue 2 sold on ebay as a 16K model…

    ... of memory (16k bytes ROM, 16k bytes RAM, optional 32k bytes RAM). What ... to work out how much memory (RAM) is fitted. It picks up ... are fitted, but which have memory cell defects may respond and ... very likely access the wrong memory cell.

    It is ...
    1024MAK 1024MAK April 2017 Hardware
  • Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…

    ... easy. The Spectrum has 64k memory (RAM and ROM), and you might ... BasinC). But BASIC also use memory to do things, and there ...
    Timmy Timmy March 2018 Sinclair Basic
  • How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…

    ... how much can fit into memory (RAM) on a 48K machine.
    1024MAK 1024MAK August 2019 BASIC
<1234567…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
reset 4.8K 6.9K
memory 21.8K 32.5K
ram 12.6K 21.4K

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