World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.009s
<1…15161718192021…34>
  • ULA snowHow is this feature implemented in emulators ? And how exact is the emulation ? I somehow supposed that ULA snow is something that is not very determ…

    ... , to 0) before paging in the contended RAM pages. As I always ...
    na_th_an na_th_an March 2012 Emulators
  • ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …

    ... mechanism... it paged its own RAM into ROM, waited to NMI ... to the RAM. The articles have the description of the paging and ...
    Zup Zup April 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... . :) Does the clone lock the paging in 48 mode though? If ... the 74hc273 chip and page RAM and ROM as you want ...
    antoniovillena antoniovillena May 2012 Hardware
  • 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 …

    ... RAM?[/quote]

    Yes. You can stop worrying about paging ... mass storage as virtual RAM for the Spectrum.[/QUOTE]< ... bolt on more physical RAM which is why I ... the vast amount of RAM that is included with ... divIDE manages with 32K of RAM. But as I keep ...
    chev chev 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 …

    ... . You can stop worrying about paging systems and just set up ... />
    I use the 128 RAM disk in MRT to store ...
    Paddy Coleman Paddy Coleman May 2012 Sinclair Miscellaneous
  • Internal ROM expansionHas anybody designed a multiple-ROM interface that plugs into the internal ROM socket instead of plugging onto the edge connector? It would be useful…

    ... memory paginga and MB02+ memory paging (true allram mode or switchable ... emulated in extended ram 1MB. You can extra ram pages use for ... adress space as always rewritable ram (poke 49152,0 write byte ... 7 tasks (7x ZX128 ram) + last 128kB ram is used for backup ...
    velesoft velesoft May 2012 Hardware
  • MULTIFACE ONE, MF128, MF3Exist any detailed HW info about MULTIFACE devices ? I need info about memory size and layout, ports, memory paging etc...

    ... of RAM and 8K of ROM to work and some paging. Load ... from CF, press button, poke RAM, save snapshop ...
    MrCheese MrCheese May 2012 Hardware
  • JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…

    ... I > $BF and paging a contended RAM page does the magic ... simple. Just zero I before paging, and reset it afterwards:
    na_th_an na_th_an May 2012 Emulators
  • Would things of been better if the NMI was fixed ?I was just wondering, if the NMI bug was fixed say early on in production, so for instance all issue twos (and late issue ones) and beyond had the "f…

    ... ;629291]
    The most advanced paging system was the Timex Bus ... address up to 16MB of RAM. Of course that never shipped ... finished too :(
    16MB of RAM at that time should be ...
    Encarnado Encarnado May 2012 Hardware
  • MULTIFACE ONE, MF128, MF3Exist any detailed HW info about MULTIFACE devices ? I need info about memory size and layout, ports, memory paging etc...

    ... contain last writed value to paging port 7FFD then software in ... divide memory can detect true ram page, videoram and rom type ...
    velesoft velesoft May 2012 Hardware
  • EsxDos 0.8 on DivIDE+ ... is it possible?On the official site I read about compatibility problems with DivIDE+... is there some way to fix this OS to work? Thanks

    ... , RESIDOS not use DivIDE memory paging/mapping. RESIDOS complette run in ... zx rom with ram pages (512kB ram)
    - ram pages in low 16kB ...
    velesoft velesoft May 2012 Hardware
  • EsxDos 0.8 on DivIDE+ ... is it possible?On the official site I read about compatibility problems with DivIDE+... is there some way to fix this OS to work? Thanks

    ... , RESIDOS not use DivIDE memory paging/mapping. RESIDOS complette run in ... zx rom with ram pages (512kB ram)
    - ram pages in low 16kB ...
    chev chev May 2012 Hardware
  • Which emulator for Spectrum 256?Does anyone know which Emulator (if any) supports Spectrum 256? I know this expansion is rare, even in germany where it was sold, so here is a bit of…

    ... a size of 32768 bytes. Paging is done with OUT 253 ... />
    Sounds similar to the RAM expansion by Jiri Lamac. JSpeccy ...
    chev chev June 2012 Emulators
  • ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…

    ... file syntax to support a RAM disc. The PLAY command supports ... replicate a 48K machine (locks paging). The DELETE f, l command ... 't have to do memory paging in odrer to tokenize a ...
    chev chev June 2012 Announcements
  • 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…

    ... that machine has shadow video RAM like the 128. The screen ... in the top 16K of RAM.[/QUOTE]

    Wouldn't ... 128K because of so many paging in and out?
    Once ... don't have to page RAM and move things from one ...
    Encarnado Encarnado July 2012 Sinclair Basic
  • Schematic of MULTIFACE 128Exist schematic of Multiface 128 ? I find on WOS only pictures of PCB layers. I mix both layers for possibility make schematic from picture, but it's…

    ... /> - MF128 contain 8kB rom + 8kB ram
    - contain through ZX bus ... -16383 = 8kB multiface ram).
    - any writing to paging port 7FFD (accept ...
    velesoft velesoft July 2012 Hardware
  • 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…

    ... terribly sluggish, but even with paging RAM in and out my code ...
    chev chev August 2012 Sinclair Basic
  • Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…

    ... (AY?, paging?) writes to a port that causes EPROM/RAM to be ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…

    ... (AY?, paging?) writes to a port that causes EPROM/RAM to be ...
    velesoft velesoft August 2012 Hardware
  • 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…

    ... it also has 128K of RAM in the Ex and Dock ... no way to lock down paging. But the video mode is ...
    chev chev August 2012 Sinclair Basic
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... +2A/+3 and set special paging mode?[/QUOTE]

    Probably ... copies stage 2 into the RAM at 0x0000 so there's ... stage 2.5 into main RAM (at 0x8000)
    Stage 2 ... can do any fancy ROM paging stuff it needs to do ... it's running in main RAM. Stage 2.5 can be ...
    Winston Winston August 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... copies stage 2 into the RAM at 0x0000 so there's ... 've set the +3 paging to all ram mode there isn't ... any ram there to copy it too ...
    guesser guesser August 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... 've set the +3 paging to all ram mode there isn't ... any ram there to copy it too ...
    Winston Winston August 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... ZX basic. Allram pages for paging in low 16kB instead zx ... rewritable in high 16kB of ram. For possibility use true allram ... (512kB flash eeprom + 512kB static ram with battery backup). If PROFI ... use internal ram instead rom, then can disable ...
    velesoft velesoft August 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ...
    This should disable peripherals paging in their own ROM when ... 311,13 @@
    machine_current->ram.special = 0;
    normal_memory_map( ... br /> }

    machine_current->ram.current_page = page;
    machine_current-> ...
    Fred Fred August 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... ;645984]This should disable peripherals paging in their own ROM when ... +3 is in a special paging mode, does this address your ... values in the rom and ram together or something heh.
    guesser guesser August 2012 Hardware
  • ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…

    ... all snapshots
    ;Z80 snapshot - ram pages is loaded to correspond ... adress (ram 5 load to adress 16384 ... and ram 2 to adress 32768 )
    ;fixed rom paging for ...
    velesoft velesoft August 2012 Announcements
  • 128kB snapshot on ZX48kBWhat is best way for 128kB snapshot loading on 48kB models ? Some Z80 snapshots are 128kB versions (Z80 v2 or v3) but contain 48kB games. Same proble…

    ... high 16kB in any extra ram page then is dangerous ... 128kB snapshot on ZX48 with ram page 0 from 49152. ( ... stack is in incorrect ram page and CPU jump to ... (for example zx128 use ram page 4 + disable paging), then it's ... runable on ZX48. Only ram pages 5,2 and 4 ...
    velesoft velesoft August 2012 Emulators
  • copying between RAM pagesSay I'm storing stuff in RAM pages 0,1,3,4 which gets used in 6,7 (which I am) and I might want to transfer up to 7kb at a time (which I do) and I do…

    ... the registers, which requires no RAM, and would be a lot ... chunks, but the cost of paging isn't that high and ...
    Matt_B Matt_B August 2012 Development
  • copying between RAM pagesSay I'm storing stuff in RAM pages 0,1,3,4 which gets used in 6,7 (which I am) and I might want to transfer up to 7kb at a time (which I do) and I do…

    ... RAM configs to copy directly.

    The Speccy 128's paging ...
    AndyC AndyC August 2012 Development
<1…15161718192021…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott 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
  • European Software Titles with an English version
    harriusherbartio 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
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
ram 12.6K 21.4K
paging 1.7K 2.4K

Related Threads

  • 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…
  • RAM paging and port usageDear users and developers,<br /> <br /> I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especi…
  • RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…
  • 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…
  • Paging for 64Kb of Video Ram??? What is the best way to page this?Hi all,<br /> <br /> I'm just putting together a concept card for a "Loki" style of video card, which supports shadow ( so it fits a normal Speccy …
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement.<br /> Know what I found? My old ZX Spectrum.... Those were the days!<…
  • Paging questionI've a question regarding paging on the Spectrum 128K, +2, +2A, +3, etc, etc. Suppose we are running a program in the page that happens to be.. well,…
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
  • Tough paging questionOK... Take this:<br /> <br /> 1. We have a program compiled and run from within GENS under a Pentagon 128K environment.<br /> 2. The program works pe…

Related Searches

  • rom to ram
  • modern ram
  • disable uper ram
  • disable upper ram
  • opus rom ram size
  • opus rom 8k ram 2k
  • opus rom 8kb ram 2kb
  • ram upgrade
  • shadow ram
  • page 7 shadow ram
  • z88dk free ram
  • 128k graphic paging
  • 128k paging graphics
  • 128k paging
  • turn off ram paging zx spectrum 3
  • turn off ram paging poke
  • 128k ram paging
  • ram paging interupts
  • ram paging
  • ram paging bank

Copyright © 2024 World of Spectrum