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 0.018s
<1…12131415161718…34>
  • Are there resources to learn assembly programming for the ZX Spectrum?Hi, I've seen and read some tutorials about Z80 programming and I have now a pretty good understanding of how it works, I've been doing some 6502 pro…

    ... ZX specifics, techniques to write to the video memory, the interrupts, the ...
    Petruza Petruza May 2014 Development
  • displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …

    ... an emulator that shows every memory address' activity....

    Im ... the activity on the dispkay memory?

    Does all that ... of every bit in speccy memory
    Thst leaves plenty of ...
    bleugh bleugh June 2014 Emulators
  • Problem Reading the KeyboardHi Folks, I'm working my way through Toni Baker's rather good book and thought I'd write some code to scan the keyboard and store the results so tha…

    ... book and thought I'd write some code to scan the ... to the old keyboard state memory area
    ;3 - Loop ... states in current keyboard state memory area
    ;4 - Restore ... keybstates in current key state memory area
    _storeKey1 ;First ...
    KrazyKattapilla KrazyKattapilla July 2014 Development
  • Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…

    ... some Python code that will write the ASM for me based ... only - if you want to write to file then have a ... to relevant place in screen memory
    screenX = min(16,self ... the registers to populate screen memory
    numRegs = min(numRegs,8 ...
    KrazyKattapilla KrazyKattapilla August 2014 Development
  • Android memory questionErm, I was sure there was already a thread about this before but I couldn't find it, perhaps it's deleted or something. So I'm asking this again. I …

    ... ), but it fills up its memory pretty fast (and gets real ... the SD card help reduce memory usage?

    Thanks in ...
    Timmy Timmy September 2014 Chit chat
  • Drunk With Blood (Bible not boring after all)Flip! Not another religious thread from BB. How many's that now?! (... errrm ... two). I haven't forgotten about the Koran commentary (now that I've …

    ... I said that I'd write (and which I am on ... , having since then refreshed my memory on some Old Testament sections ...
    Battle Bunny Battle Bunny October 2014 Chit chat
  • Banked memory running slower?I've just compiled a TAP which includes bank6, it loads ok, but the routines that are paged in run slightly slower. The Z80 snapshot has no such pro…

    ... such problems, the paged in memory behaves itself as it should ...
    daveysludge daveysludge October 2014 Development
  • Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…

    ... Speccy, as a DMA (direct memory access, in other words - ... the bus, written to screen memory, then released control.
    ... /> With DMA using the same memory write timings, this is reduced to ... bytes.

    * Memory to memory transfers
    On the Z80 ...
    Winston Winston November 2014 Hardware
  • 48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…

    ... end.

    Ran the memory test
    PRINT PEEK 23732 ...
    whoremoan whoremoan November 2014 Hardware
  • AGD memoryHow low has anyone got AGD memory showing but still works without crashing or errors. My Monty game is showing 30 and will not allow you to open any…

    How low has anyone got AGD memory showing but still works without crashing or errors.

    My Monty game is showing 30 and will not allow you to open any events to edit. If I add just one letter to any text it crashes big time, full reset.
    Dazman Dazman November 2014 Chit chat
  • New MEMFACE projectMEMFACE is my old project, but never finished. Now is PCB done (at the post office) and I write firmware for CPLD. MEMFACE is interface with external…

    ... write firmware for CPLD. MEMFACE is interface with external memory ... external interfaces with own memory(divide/divmmc/+D,etc ... /> - can disable external memory on next connected devices (next ... - emulation of DIVIDE 512kB memory (classic divide, divmmc, divide ...
    velesoft velesoft November 2014 Hardware
  • Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…

    ... IF1 cartridges) and target bankswitched memory systems (including the 128k spectrums ... been migrated yet from the existing lib. sp1 is currently available ...
    Alcoholics Anonymous Alcoholics Anonymous December 2014 Development
  • Spectrum +2a memoryHi all, Happy New Year. A quick question, I have a Spectrum +2a that I am seeing a very intermittent fault, once every 20 - 30 power ups. I plug…

    ... to fail the lower 16K memory test.

    Does anyone ...
    bagpuss22 bagpuss22 January 2015 Hardware
  • Software for MULTIFACE 1, MF128, MF3Exist list of existing software which support multiface memory ? Here on WOS I search only some utilities: [URL="http://www.worldofspectrum.org/info…

    Exist list of existing software which support multiface memory ?

    Here on ... =0&turns=0&memory=0&language=0& ... =0&turns=0&memory=0&language=0& ...
    velesoft velesoft January 2015 Sinclair Miscellaneous
  • ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…

    ... -- raster and ULA contended memory emulation for original 48k and ... />
    1. Contened memory is emulated as described here ... some help with raster/contended memory

    Mike & ... valuable insight into contended memory topic and useful discussions.< ...
    lvd lvd January 2015 Hardware
  • SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…

    ... () will remove an array from memory - can be quite slow, so ... - to copy from one already existing sprite to another. Use COLLIDE ...
    Dunny Dunny February 2015 Sinclair Basic
  • Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…

    ... I'm trying is to write a scrolling message using the ... own character's location in memory, and intend to lsa left ...
    badgyre badgyre February 2015 Development
  • What would have been the hardest game to write?<div>I was recently think about Code Masters' Fruit Machine Simulator and what a piece of **** that would have been to code. I bet it brought in some…

    ... what a mere 48K of memory and 3.5MHz CPU could ...
    peteprodge peteprodge May 2015 Games
  • I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…

    ... in figuring out how to write a multi-process system for ... handled having multiple processes sharing memory and/or processor time.
    Veltas Veltas May 2015 Development
  • Contended memory and TritoneQuick question regarding contended memory...<div style="font-style: normal;"><br></div><div style="font-style: normal;">I'm testing ideas with Triton…

    Quick question regarding contended memory...
    I'm testing ideas ... the player code after 0x7fff memory address and the data in ... contended memory, and it doesn't seem ... being run from non contented memory, so I think it actually ...
    reidrac reidrac June 2015 Development
  • Memory testersHi, Just wondering which software people are using to test the memory in their spectrum. I have been using Zorn's memory tester as described here:…

    ... are using to test the memory in their spectrum. I have ... been using Zorn's memory tester as described here:
    vext01 vext01 July 2015 Sinclair Miscellaneous
  • How to move the location counter backward with GNU binutils?I've converted a 8000-line assembler source from Pasmo to GNU binutils. It was not difficult. It's the first time I use GNU binutils. In my code t…

    ... two differents zones of the memory. With Pasmo I just ... of the compilation) into a memory address, ready to be fetched ... the_symbol`, therefore updating the same memory address every time, and finally ... worst case scenario, I could write a program to extract the ...
    programandala.net programandala.net August 2015 Development
  • [NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…

    ... ’
    Emulation of the contended memory timings.
    Pixel to pixel ... v2.
    Formats supported for write: PZX, TAP, TZX, CSW v2 ...
    jcgamestoy jcgamestoy September 2015 Emulators
  • 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
  • Sinclair QL bad memoryI googled around trying to see if there was a resource for this but didn't really find anything specific. I have a QL with the white screen proble…

    ... screen problem which indicates bad memory, so I plopped a Minerva ... you addresses of the bad memory...Problem is that doesn't ... help me identify which IC memory chip it is. Is there ... " a good chip on each memory chip but the only result ...
    beanz beanz September 2015 Hardware
  • Recommend-me-do - memory card devicesSo, both myself (with a +3 that has a dodgy drive) and my friend (with a +2) are looking at the various options for loading from memory card. What…

    ... various options for loading from memory card.

    What do ... to find their way onto memory card?
    merman merman September 2015 Hardware
  • IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…

    ... how they read from and write to addresses 0 to 65536 ... how do they differ to memory locations...?

    Can someone ...
    namtip namtip September 2015 Hardware
  • New Game - Ishido: The Way of StonesHi! My name is Mezei Róbert (m/zx), I am an Assembly beginner from Hungary. Although I’m not an absolute rookie, but I didn't practiced for 23 years…

    ... of “Jonathan Cauldwell: How To Write ZX Spectrum Games” appeared in ... granted the starting momentum. My memory came to life in part ...
    mzx mzx October 2015 Brand new software
  • The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…

    ... - DOS services (open file, read/write sectors, etc, etc, etc)
    - swap partition
    - virtual memory up to 4Mb

    write support and TR-DOS emulation ... /> People started asking for write-support on FATWare, but it ...
    bverstee bverstee October 2015 Hardware
  • Arcade Game Designer & How to Write Spectrum Games DownloadHi, Would anyone be able to stick Arcade Game Designer 4.6 (Spectrum) Software and Manual, and How to Write Spectrum Games (0.6) up to Dropbox or …

    ... and Manual, and How to Write Spectrum Games (0.6) up ... similar.

    I did write to Jonathan regarding the links ...
    jonesypeter jonesypeter October 2015 Sinclair Miscellaneous
<1…12131415161718…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
write 16.1K 20.3K
existing 3.7K 4.2K
memory 21.8K 32.5K

Related Threads

  • 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].<br /> <br /> I've released a small command-…
  • 32k memory Italian memory expansionNot mine but its an [URL="http://www.ebay.co.uk/itm/TENKOLEK-32K-RAM-Expansion-Sinclair-ZX-Spectrum-/320861810075?pt=UK_VintageComputing_RL&amp;hash=…
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …
  • New TZX Dumps of existing gamesI was just browsing through the new additions to the TZX Vault when I noticed that there were several games which already existed in the Vault.<br />…
  • What's you happiest speccy related memory?Mine would have to be coming home from school at lunchtime with a couple of friends, loading up manic miner or commando for a quick 30 minute game-pl…
  • disk write protect on Spin ?Is there an option for Spin to default a (loaded) disk to be write protect ?<br /> I whish I have no worry when loading a perfect original disk to co…
  • Funniest Speccy related memoryOkay, there maybe won't be that many, but I have a couple that might conjour up some jolly jape memories.<br /> <br /> 1. Walking home from school wi…
  • What is your worst Speccy related memory?We've had the good times, but there were bad times too. I will give you two choice cuts from my back catalogue...<br /> Over at a friends house, want…
  • Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency.<br /> As we all know the start of the RAM is at 16384 which …
  • ANN: Write Spectrum Games in C with speclib121Announcing the sprite pack C library for the z88dk C cross compiler available from:<br /> <br /> [url="http://justme895.tripod.com/main.htm"]http://j…

Related Searches

  • lowest memory for code
  • lowest memory position for machine code
  • lowest memory position machine code
  • lowest memory machine code
  • lowest memory code
  • lowest memory
  • memory map
  • led storm memory
  • how to write
  • how to write games
  • fog write article
  • 128 memory
  • z88 read memory
  • 128k memory
  • memory refresh
  • graphics set high in memory messing up
  • graphics high in memory messing up
  • break on memory write
  • break on memory range write
  • zxspin memory write

Copyright © 2024 World of Spectrum