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Search Again :: Adv Search 1000 results in 0.045s
<1…17181920212223…34>
  • TZX emulation and implementing pausesHello. I'm developing a small Spectrum emulator in my spare time and I'm currently in the process of hooking up tape emulation to my code. I have a r…

    ... last edge would never be detected.

    I'm probably ... .

    The following graphic (not to scale!) shows my current ...
    daverayment daverayment June 2013 Emulators
  • Mojon Twins' Covertape #2Ready for TWELVE new games? [b]Sir Ababol 2 Demo[/b] [img]http://www.mojontwins.com/wp-content/uploads/2013/06/01-sir-ababol-demo-2.png[/img] We ar…

    ... sword! The full game is not ready yet, but we have ... />
    Paco?s company has detected an old abandoned ship containing ... under the sun rays. But not for long, remember?

    not to get back home until ...
    na_th_an na_th_an June 2013 Brand new software
  • Spectrum +2(grey) rf problem not tuning inHi lads, first of all a quick intro. Im a speccy enthusiast in Ireland, had my first speccy when i was seven in 1987(grey +2). Eventually it got repl…

    ... loader etc. However it would not tune in. Tried it on ... tape loader menu but would not lock on to a clear ...
    da_hambo da_hambo June 2013 Sinclair Miscellaneous
  • Repairing a torn trace on an Issue 2 PCBI've found what I think could be the reason for my Issue 2 board not working properly... There is a torn PCB trace beneath one end of where a new ULA…

    ... for my Issue 2 board not working properly... There is a ... end of where a new ULA was inserted into the board ... previous owner replaced at ULA (it was not an original one) rather ...
    Simon_Carr Simon_Carr June 2013 Hardware
  • Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…

    ... the even bits. It does not explain which is which, unfortunately ... is sent/received from/to ULA in 16 Z80 T-states ... elapse. I suppose that IF1 ULA has a way to synchronize ...
    Falco-F8L Falco-F8L June 2013 Hardware
  • Spectrum FPGA clone with HDMI video output by Jozsef LaszloThis clone is based upon the ULA core I wrote for opencores.org . It features a scandoubler and HDMI conversion engine. Jozsef has found that a 28MHz…

    ... clone is based upon the ULA core I wrote for opencores ... capable equipment, although it's not a standard mode. This means ...
    mcleod_ideafix mcleod_ideafix July 2013 Hardware
  • Zero 0.6I'm pleased to announce that I've released Zero 0.6. There are some comprehensive changes in this release including moving to .Net 2.0, removing Slim…

    ... .
    - Fixed on screen indicators not showing up in full screen ... mode (Scotty, Arm73).
    - Fixed ULA Plus mode being disabled in ...
    Arjun Arjun July 2013 Emulators
  • 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…

    ... the board, originals were socketed). ULA and CPU had also been ... ]

    It's still not much of a looker but ...
    balford balford July 2013 Hardware
  • 20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…

    ... , hang on, that's not right" and re-evaluate what ... just before the ULA reaches them. While the ULA is busy ... character row SEVEN times, not eight. We will need ... so that we're not still showing the last line ... so this is clearly not very practical for real-world ...
    gasman gasman July 2013 Development
  • Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…

    ... requires a read from the ULA port (0xFE) with the high ... the telephone rings.[/list]
    Not a difficult job really, even ...
    stephenw32768 stephenw32768 August 2013 Games
  • Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…

    ... 0(allram mode is not active) then MF3 memory ... address #0066. If detected then disable MAGIC button ... /> If MF3 memory is not connect and CPU set bit ... ][COLOR="Red"]Function is not tested because I don't ... real MULTIFACE 3. Also not tested in emulators....meantime ...
    velesoft velesoft August 2013 Hardware
  • Issue 4A black paper, white borderJust had one of these through, nice yellow pcb! Everything but the ULA soldered in. On power up I get black paper, white border and some intermitten…

    ... yellow pcb! Everything but the ULA soldered in.
    On power ... this suggests IC15 but im not getting a normal display without ...
    Macc Macc August 2013 Hardware
  • spectrum issue 6a oddityMorning everyone Bought a speccy (rubber key) from ebay in near mint condition - couldn't tune in on analogue particularly well so did the comp mod …

    ... /> I was thinking bad ULA but not sure - if so where to ...
    actualreality actualreality August 2013 Hardware
  • Larry The Lander II-Cosmic Carnage[size=4]LARRY THE LANDER II ? COSMIC CARNAGE[/size] By Steve `Jammajup` Dixon 2013 Purple Unicorn Software [u]The Story[/u] Deep in space Larry rec…

    ... sensors at the station have detected that crass himself is ... level but it is not just a short lived ... wave your own fuel will not be used.

    ... the station with despite not having the worst fuel ... fuel.
    2.) Do not develop an itchy trigger finger ...
    jammajup jammajup August 2013 Brand new software
  • Linux/Unix Wizards come here!Hi to all, my nephew had just returned from a vacation in Tibet with a corrupted 4GB SD Card full of pictures. I've tried lot of ways to recovery da…

    ... 0:0: [sdb] Sense Key : Not Ready [current]
    [51837.981528 ... 0: [sdb] Add. Sense: Medium not present
    [51837.981541] sd ... 0:0: [sdb] Sense Key : Not Ready [current]
    [51837. ... 4
    [51837.995531] sdb: detected capacity change from 1050624 to ...
    DaRkHoRaCe DaRkHoRaCe August 2013 Chit chat
  • Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…

    ... the symbol shift is not working, I could not enter Load "", so ... :

    So it's not completely fried, but something is ... not working. I hope it's not the ULA because replacements ...
    dimewos dimewos September 2013 Hardware
  • RF Modulator, not Astec UM1233While repairing a +2A board (D4 burnt out, so the WAIT signal from the gate array didn't reach the CPU and hence, the CPU was running full speed even…

    ... [/img]

    It's not the usual Astec UM1233 RF ...
    mcleod_ideafix mcleod_ideafix September 2013 Hardware
  • Another broken SpeccyHi all I have been given another ZX Spectrum, this time it has a really odd problem as you can see in the video: [URL="http://youtu.be/ZOSiBEYQD7w"…

    ... , works fine
    Checked the ULA on another Spectrum - all good ... at power on - just will not boot!

    Thanks ...
    actualreality actualreality September 2013 Hardware
  • 30 years ? Domesdos, not DomestosDomesdos was the working title of the operation system for the Sinclair ZX83 which eventually became QDOS for the Sinclair QL. In a CONFIDENTIONAL (…

    ... a ROM operating system and not a disk operating system) after ...
    QLvsJAGUAR QLvsJAGUAR October 2013 Sinclair Miscellaneous
  • Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…

    ... some advice as I?m not sure how to resolve the ... / displayed as coloured attributes and not as a pixel / line representation ... item placed at 22528 is not included as part of the ... more carefully when this is detected to see if any of ...
    Mr Millside Mr Millside October 2013 Development
  • eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …

    ... around the problem of there not being a +5V to ... composite SYNC! The poor ULA is driving the RGB switching ... You can tell if the ULA is over-stressed by measuring ... 23 (CSYNC) on the ULA. It should be about 3 ... suggest that people [i]do not[/i] use these cables. ...
    Spirantho Spirantho October 2013 Hardware
  • Another way to add audio input on a +2 - No more low level sound problem !Hi all, Last week, with 3 friends, we participated to a modelism / games / hobbies meeting, and we made a retro computing stand... (big succes, I'll…

    ... ) that proceeding that way, the ULA is protected.
    The Speccy ... />

    Maybe that's not too academical, but it works ...
    bugpat bugpat November 2013 Hardware
  • Spectrum +3e acting up...Hello, Well, my Spectrum +3e is starting to act up. All 48k games load fine but now no 128k games will load :/ In one 128k game, in the beginning r…

    ... load 128k games. Btw, by not loading, it usually freezes up ... there a memory test or ULA test, etc... for the +3 ...
    thomas3120 thomas3120 November 2013 Hardware
  • 22 new Spectrum games (some not so "authentic")Hi all, I was just wondering what everyone thought of these 22 Spectrum style games that developers have recently created: [URL="http://www.speccyj…

    ... [/URL]

    Some are not so authentic, but there are ...
    RetroYak RetroYak November 2013 Games
  • a few questions1. When will emulators use pc vga capabilities to emulate the uhf tv output accurately including phosphoric delay and crosstalk synchronization 2. W…

    ... hardware interlace like the spectra ula+ or zx prism

    not even a freescape patch - freescape ...
    morcar morcar November 2013 Sinclair Miscellaneous
  • Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…

    ... "nice", it is absolutely mint, not a scratch on the plastics ... .

    Hmmmm... swapped the ULA, but it also worked perfectly ... Z80 seem correct. It does not even have the classic faulty ... , IIRC, their reliability record is not very good.

    Hints ...
    Falco-F8L Falco-F8L December 2013 Hardware
  • Black Screen Spectrum 48kWas working ok, it came to me in a Fuller FDS keyboard, I had a nose inside and found a floating power lead connected to the keyboard, I removed that…

    ... /> Update: Tried another working ULA and it's not that...

    OttO OttO December 2013 Hardware
  • Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…

    ... a failure I've not seen mentioned before that ... peripheral (errm, I'm not saying which :-)) was plugged ... voltages and -5v was not present and all the ... Z80.
    3. Intermittent ULA fault (easily testable - since ... ) but most of the time not.

    Since ...
    Winston Winston December 2013 Hardware
  • Retrogamer UK, why not?I am really surprised that the last issue of Retrogamer Spain comes with a Spectrum game in cassette, like the old good British and Spanish magazines…

    ... , why the UK version has not done the same? Do you ...
    Ivanzx Ivanzx December 2013 Sinclair Miscellaneous
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