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  • plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…

    ... using M1 in the address decoding.

    To me your ...
    roko roko February 2009 Hardware
  • Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …

    ... distinguish 128K/+3, check the decoding of "port 0x7ffd". This is ...
    Philip Kendall Philip Kendall March 2009 Development
  • ZXSpin sound problemsIn some games I run in ZXSpin, Ant Attack or Corrdiors of Genon for example, the music that plays at the beginning doesn'y play in ZXSpin. However i…

    ... 48k mode during the beeper decoding stage in an OUT instruction ...
    Dunny Dunny March 2009 Emulators
  • Pera Putnik's Simple CF interfaceHello world. Has anyone else built one of these and had it working? Mine kind-of works occasionally, but only for a 16mb card with the 'setup' imag…

    ... used a number of different decoding schemes without any luck so ...
    sirmorris sirmorris March 2009 Hardware
  • HD TellysWhat are the main things to look for in HD TVs? I know that LCDs are cheaper, but what's the main difference between LCD and Plasma (apart from Plas…

    ... the DVD did all the decoding? It's a Samsung SyncMaster ...
    Bermondsey Bob Bermondsey Bob April 2009 Chit chat
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …

    ... so it is only the decoding that needs writing for the ...
    BloodBaz BloodBaz May 2009 Development
  • Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…

    ... in one byte, but the decoding is a bit hard in ...
    LCD LCD May 2009 Sinclair Miscellaneous
  • Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…

    ... in one byte, but the decoding is a bit hard in ...
    brownb2 brownb2 May 2009 Sinclair Miscellaneous
  • Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…

    Now shall we start getting really clever and start scrolling screen areas around by simply using the I register and a few choice opcodes or maybe just leave it there for now. Yeah, let's leave it cos I really can't be arsed :D
    Woody Woody May 2009 Development
  • DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…

    ... release and contains .scr encoding/decoding procedures.

    In particular ...
    Dunny Dunny May 2009 Sinclair Basic
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... conditions within a number of opcodes where the Z80 isn't ... contention within a number of opcodes. Or something :)
    Bob Stains Bob Stains May 2009 New game ideas
  • SpecmanWhen looking through WOS database I came across this title: Specman [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0010659[/url] This title …

    ... more about the source and decoding.

    TAP (or Z80 ... audio copy.

    The decoding is the other bit. Early ...
    mheide mheide May 2009 Infoseek database
  • Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…

    ... to the left, store 178. Decoding it will slow your routine ...
    Dunny Dunny May 2009 Sinclair Basic
  • Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…

    ... to the left, store 178. Decoding it will slow your routine ...
    Dr BEEP Dr BEEP May 2009 Sinclair Basic
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... . The difficult bit would be decoding the incoming sound on a ...
    brownb2 brownb2 May 2009 Announcements
  • Multiface 128 Disassembly questionI was looking at a disassembly from a Multiface 128 rom, now I'm not a coder so I have a question, am I correct in understanding the code starts at #…

    I thought the same about duplicate PUSH AF opcodes until spotting that the same didn't hold true for the 128K editor ROM which could then cause some real problems with slow paging :)
    Bob Stains Bob Stains May 2009 Development
  • Multiface 128 Disassembly questionI was looking at a disassembly from a Multiface 128 rom, now I'm not a coder so I have a question, am I correct in understanding the code starts at #…

    ... same about duplicate PUSH AF opcodes until spotting that the same ...
    Winston Winston May 2009 Development
  • Help loading OPUS data block ?Hi folks, A while back I obtained a Daton Software Card Games compilation which will be in the next Vault update: http://www.worldofspectrum.org/inf…

    ... is used for forcing a decoding routine to run.

    decoding routine
    is (on the ...
    roko roko May 2009 Sinclair Miscellaneous
  • Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…

    ... of assemblers also expect the opcodes (such as CALL, LD) to ...
    Jimmy Jimmy July 2009 Development
  • Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …

    ... an address (although incomplete port decoding is a bit of a ...
    Winston Winston July 2009 Development
  • DVD regions, why?Why do we have to put up with DVD region encoding? I mean, I know why they were invented (so the DVD companies could control the market, and incident…

    ... know about, the technicalities of decoding the DVDs, and so the ...
    ewgf ewgf July 2009 Chit chat
  • DVD regions, why?Why do we have to put up with DVD region encoding? I mean, I know why they were invented (so the DVD companies could control the market, and incident…

    ... know about, the technicalities of decoding the DVDs, and so the ... decoding is irrelevent to them.[/QUOTE]< ...
    mel the bell mel the bell July 2009 Chit chat
  • Beep Hero.With the quality tunes people get out of a speccy these days surely a guitar hero style game shouldn't be impossible. If you look at Klax on the spec…

    [QUOTE=Dr BEEP;370598]Don't forget about the keyboard error with ghostkeys pressed.[/QUOTE]

    Shouldn't be an issue for the keypad as it uses different decoding technology.
    chev chev July 2009 New game ideas
  • 2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…

    But if I'm not mistaken, timings and port decoding are determined by how the FPGA is programmed, so a Pentagon 2.666 flashed with the Harlequin image would have true Spectrum timings, right?
    gasman gasman August 2009 Hardware
  • 2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…

    ... not mistaken, timings and port decoding are determined by how the ...
    chev chev August 2009 Hardware
  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... certain hardware constraints (Z80 undocumented opcodes, memory contention, floating bus, fixed ...
    Madonna Mk 2 Madonna Mk 2 August 2009 Development
  • Retro Reunited - 2 Day Retro Gaming Event - Sept. 2009[url=http://retroreunited.info][img]http://i40.photobucket.com/albums/e226/darthgord/2qbbud3.jpg[/img][/url] Apologies if this is a long post, I wil…

    ... on the chip and port decoding and holding A15 high at ...
    MrCheese MrCheese September 2009 Chit chat
  • Retro Reunited - 2 Day Retro Gaming Event - Sept. 2009[url=http://retroreunited.info][img]http://i40.photobucket.com/albums/e226/darthgord/2qbbud3.jpg[/img][/url] Apologies if this is a long post, I wil…

    ... on the chip and port decoding and holding A15 high at ...
    mel the bell mel the bell September 2009 Chit chat
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