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 0.055s
<1234567…34>
  • ZX Spectrum 48K working as 16K from factoryGood morning I Have a Zx Spectrum 48k working as 16K , it came like this from factory. What can i do to solve this , and put it to work as 48K? Wha…

    ... /> I Have a Zx Spectrum 48k working as 16K , it came like this ... , and put it to work as 48K?

    What chip ram ...
    camaisin camaisin July 2013 Hardware
  • 48k memory dump to 128k???Having problems getting a 48k snapshot to load into 128k mode using ZX Spin. Tried saving 48k memory as a binary file and loading it back in 128k mo…

    Having problems getting a 48k snapshot to load into 128k ... Spin.

    Tried saving 48k memory as a binary file and loading ...
    daveysludge daveysludge May 2014 Development
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... 48K Memory Map.

    From reading elsewhere I have this as the memory ... map:

    0 to 16383 - Read Only Memory ... 23755 to 65367 - Available Memory
    65368 to 65535 ... '23755 to 65367 - Available Memory'

    Also ...
    jonesypeter jonesypeter March 2016 Development
  • 48k Memory MapIs there a link or info anywhere that explains the 48k memory layout? My game uses double buffering and I'm trying to decide where the best memor…

    Is there a link or info anywhere that explains the 48k memory layout?

    My game uses double buffering and I'm trying to decide where the best memory location should be.
    Atari_Jetman Atari_Jetman September 2015 Development
  • HELP BTTF on Speccy 48khello, fellow spectrum owners! I have won a Back To the future game on cassette of eBay that is for my 48k. I run it, by typing LOAD "", and it sta…

    It may be a 48K with some faulty chip in the upper memory. It's a common thing that with certain memory faults the 48K boots up as 16K.
    Mikie Mikie November 2006 Games
  • My First Mobile PhoneOkay - I need a mobile phone. BUT I need it to do two things - 1 - be able to play my own home made mp3 ringtones ( via a plug in cable sort of dea…

    ... colour display and colour clash as standard. Ringtones available after a ... R-Tape Loading error still as commonplace as ever whenever trying to ... the massive internal 48K memory bank.


    As to proper mobile ...
    Collie Collie December 2006 Chit chat
  • Football ManagerHello! I don't know if anyone will remember 12 months ago when I released 'Football Manager Revisited', an update of the 1982 Football Manager with …

    ... ' which are loaded into the 48k memory space as required. That's why ... game pauses at various stages as it waits for the next ...
    The Great Glen The Great Glen September 2013 Games
  • When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …

    ... the difference between 16K Spectrums and 48K Spectrums 'working as 16K models' from the ... then the Spectrum will operate as a 16K model and it is ... than the usual for a 16K or 48K model indicates that faulty ...
    Zorn Zorn September 2013 Hardware
  • 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…

    ... OKI RAM chips which function as fully working 4164's, not ... , if you have a 48K machine functioning as 16K, enter the following commands ...
    balford balford April 2017 Hardware
  • 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…

    ... if you have a 48K machine functioning as 16K, enter the following ... was only working as a 16k and any pokes/peeks ... giving responses for a 16k model which was really ... ) it is working as a 48k spectrum but Memtest returned ... for a 16k spectrum not a faulty 48k one, I ...
    povvercrazy povvercrazy April 2017 Hardware
  • i want to save a snapshot file from snap to tap onto my hdd. what code address and length is it?hi, i want to save a snapshot file from snap to tap onto my hdd. what code address and length is it? i cant seem to find any info on this.

    A snapshot saves the entire 48k memory space as well as register information. I dont believe there is any way it could be directly converted to a tap file.
    dave18 dave18 March 2018 Hardware
  • 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…

    ... 2 sold on ebay as a 16K model with a ... problem, did the memory test....oh dear 16k.
    So basically ... work, works fine as a 16k so I thought sod ... test points in the 48K service manual I came ... bloody thing fires up as a 48k model now ...whooooppiieee....still ...
    povvercrazy povvercrazy April 2017 Hardware
  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…

    ... if I am writing a 16k Game, I have 8k available ... to 8000h, and for a 48k game I have 40K available ... so, what are the memory areas available for 16k and 48k programs respectively?
    robpearmain robpearmain May 2004 Development
  • Know Your Tables marked as 48K but it's actually 16KHi, Know Your Tables from Collins Software is marked as Zx Spectrum 48K but actually runs on any Spectrum (so it should be marked as 16K). Cheers, …

    Hi,
    Know Your Tables from Collins Software is marked as Zx Spectrum 48K but actually runs on any Spectrum (so it should be marked as 16K).

    Cheers,
    Giovanni
    Zurillion Zurillion November 2012 Infoseek database
  • 48K Issue 2 Spectrum showing exactly 16KI've acquired an issue 2 and it quickly became clear that only 16K of memory is available. I've read that some early 48K Spectrums with malfunctionin…

    ... only 16K of memory is available. I've read that some early 48K ... Spectrums with malfunctioning upper RAM were sold as 16K versions ... *256 returned 32767. 16K games load and 48K games don't.
    LoonyJetman LoonyJetman August 2016 Hardware
  • 16-48k memory upgradesince yesterday i am the proud owner again of a spectrum in excellent condition, boxed, etc. it was my first computer back in '82 as well, so it's ni…

    ... first computer back in '82 as well, so it's nice ... /> only this one is the 16k model, and i'd like ... to expand it to 48k. it's a 3b board ...
    ruud ruud May 2004 Sinclair Miscellaneous
  • 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 ... ) always 'sees' the memory as 16K of
    ROM and 48K of RAM ([B ... 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
  • Blitz - incorrectly listed as 16k[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027592[/url] The memory needs to be changed from 16k to 48k. Due to my silly own self, I for…

    ...
    The memory needs to be changed from 16k to 48k.

    16k machine. The BASIC code ... worked on a 16k machine because it was ... fit into the 16k machine's main memory area (it ... on a 16k machine.

    Sorry 16k owners! You ...
    pottyboy pottyboy April 2012 Infoseek database
  • 48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…

    ... of IC23 to boot it as 16K and that works.
    I ... a 48K spectrum.
    I then tried to load the memory test ... guesing I still have a memory fault somewhere? Anyone got any ...
    whoremoan whoremoan January 2015 Hardware
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... br />
    The 64k memory space is divided in four ... in the always-resident memory (the fixed 16k + the remaining space ... , story flags, whatever) as well as capability of swapping in new ... />
    Positive side versus 48k: things can be more complex ...
    Sol_HSA Sol_HSA May 2017 Development
  • Issue 2 Board - CPU 'Patch'I've been wondering why my issue 2 board has been kicking out this signal when powered up... [IMG]http://www.drumfu.com/ResizedDuffIssue2.jpg[/IMG] …

    ... I have an issue 2 16k speccy from new and ... connections to this transistor are shown in figure 7b. The ... exactly the same manner as in Issue 2 Spectrums.[/ ... DIL sockets. A FOXX 48k memory upgrade kit had to be ... an issue 1 board marked as issue 2?[/QUOTE]
    ...
    jp jp September 2008 Hardware
  • Max RAM for ZX Spectrum gamesHow much RAM can be used for single level/whole game? On tape writing.

    ... bytes for assembler on a 48K Spectrum. You'd have ... going with using the screen memory specifically though - you can ... />
    This shows the memory map: http://www.breakintoprogram.co ... zx-spectrum/memory-map

    As shown there the bottom 16k of ...
    deusexmachina deusexmachina October 2022 Development
  • 16 or 48k you decideI was wondering apart from the sticky label on the back say 48k and with out being able to see one boot up, if there is any way to tell a 16k machine…

    ... label on the back say 48k and with out being ... to tell a 16k machine apart from a 48k machine.
    < ... br /> Do the 16k machines have ... , they are on there way as we speak.

    ... out to be 16j machines as I should be able to ...
    Toxitalk Toxitalk June 2007 Sinclair Miscellaneous
  • Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…

    ... original Spectrum 128K memory map (with only one 16K bank pageable) ... on the Pentagon switches memory banks as described in [URL="ftp ... Second category of expansion of memory over 128k.

    memory over 128k.[/quote]
    ...
    ajmoss ajmoss August 2010 Hardware
  • Cyrus IS Chess 48kI noticed that Cyrus IS Chess listed as 16k game only. According to Crash, 48k version from other side of tape is a bit improved with some additional…

    I noticed that Cyrus IS Chess listed as 16k game only.
    According to Crash, 48k version from other side of tape is a bit improved with some additional options.
    [url]http://www.crashonline.org.uk/04/lguide14.htm[/url]
    Pegaz Pegaz November 2010 Infoseek database
  • 16K GamesIs there a list of 16k Speccy games anywhere? Being as my 48k only works in 16k :-)

    Is there a list of 16k Speccy games anywhere? Being as my 48k only works in 16k :-)
    Modge Modge February 2011 Games
  • New To Group....Hi All, A quick introduction as this is my first post. I am a Scarborough, UK based chap who is quite heavily into retro computing, more specificall…

    ... 6128+, GX4000), a few Spectrums (48k, +2, +2A, +3) ... here is about my 48k rubber keyed Spectrum. I ... "Missing", thus "L" is shown as "_", . This effect carries ... .

    From memory, the spectrum has a bank ... of memory for "Pixels", which ...
    Jason9 Jason9 March 2011 Hardware
  • Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …

    ... of paging blocks of memory to and from disk. ... they call it 48K, btw?) into 1KB memory blocks.
    ... would attach bitmask of memory blocks that this process ... track of current memory usage as an array of ... compare process memory bitmask to the memory track from ...
    tstih tstih October 2011 Development
  • Guide to upgrading your 16K Issue 2/3 ...Hi, Because I sell upgrades on eBay to make 48K Spectrums out of 16K ones, I've made a little fitting guide here: [url]http://www.mutant-caterpilla…

    ... on eBay to make 48K Spectrums out of 16K ones, I've ... please? Would be much obliged as the last thing I want ...
    Spirantho Spirantho December 2011 Hardware
  • 48K Spectrum - or repairI just got a massive bundle of new old stock games which I need to try. Problem is some of them won't load on my +3 (it's always been rather picky). …

    ...
    I have a 48K rubber key with replacement membrane ... reckon there's a memory fault as games crash when ... />
    a) My 48K spectrum repaired
    or
    48K spectrum
    or
    ... just a known good spectrum 48K motherboard

    ...
    Alien 8 Alien 8 January 2012 Wanted
<1234567…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
48k 20.9K 29.1K
memory 21.8K 32.5K
shown 3.7K 4K
as 228.1K 403.1K
16k 5.5K 7.7K

Related Threads

  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
  • 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…
  • 16K games incorrectly listed as 48K- Bomber Man (Joseph Duffy)<br /> - The Devil Rides In!<br /> - Rifle Range<br /> <br /> Tested on SpecEmu under 16K emulation.
  • 16k games that were released as 48kHallo!<br /> <br /> Can you help - having a debate on 16k games. How many were released as 48k only to be found out as being 16k?<br /> <br /> Was At…
  • New memory model: 16K/48KAs earlier suggested in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=32096"]this thread[/URL], there was also Spectrum software that …
  • Know Your Tables marked as 48K but it's actually 16KHi,<br /> Know Your Tables from Collins Software is marked as Zx Spectrum 48K but actually runs on any Spectrum (so it should be marked as 16K).<br /…
  • ZX Spectrum 48K working as 16K from factoryGood morning<br /> <br /> I Have a Zx Spectrum 48k working as 16K , it came like this from factory.<br /> What can i do to solve this , and put it to…
  • 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…
  • Thanks for the memories... is it 16k or 48k?Hi. At three different flea markets in Gothenburg, Sweden I found just as many Spectrums... (and a ZX81! [img]/__forums/images/smiles/icon_smile.gif[…
  • 48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . <br /> I've just dusted them off af…

Related Searches

  • 48k behaves as 16k
  • 48k working as 16k
  • i ve made a colour palette for 16k 48k machines
  • 16k memory read
  • 16k memory read 32768
  • 16k memory peek 32768
  • detecting 16k 48k 128k
  • 16k or 48k
  • upgrade from 16k to 48k
  • 16k to 48k upgrade
  • 16k to 48 k memory upgrade
  • 16k to 48kzx spectrum memory upgrade
  • 16k to 48k zx spectrum memory upgrade
  • memory test 48k 128k
  • 16k not running 48k
  • 16k not 48k
  • check if 16k or 48k
  • rom 16k vs 48k
  • 16k memory map
  • made a colour palette for 16k 48k machines

Copyright © 2024 World of Spectrum