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Search Again :: Adv Search 1000 results in 0.017s
<1234567…34>
  • Very simple 128k memory test?Just an idle thought, but... If on a 48K machine: [INDENT][B]PRINT PEEK 23732 + PEEK 23733*256[/B] [/INDENT]yields the last reliable RAM address, …

    ... command to execute on a 128K/+2/+3 machine?
    szeliga szeliga April 2009 Hardware
  • 48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…

    ... br />
    I built 128k upgrade according to the [url ... also tried to load few 128k games (Total Recall, ... I did wrong or test memory using some program ... to set it to get 128k compatibility?

    ... use it to get this 128k upgrade test and working?
    ...
    podly podly August 2011 Hardware
  • 128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…

    ... - I recently won a 128K toast rack, and have ... , on running the diagnostic test ROM I get a few ... the membrane?2. 128K Memory test runs through up to ... **"
    3. 128k Video page test "Test failed if this text ... at all from the 128k specific AY sound tests. ...
    stevebrowne stevebrowne June 2015 Hardware
  • How can I tell if 128k in codeIs there an easy way in code to check if the Spectrum has 128k, rather than 48k so I can display a message "Must have 128k" etc

    The best way to test what machine you're ... which machine it is (48k, 128k, +2, +3). I think ... 's an issue with timing, use a timing test. For this, set ... nz, lp[/code]
    Then test the value of BC. I ... original page back in and test the byte. The value will ...
    icabod icabod March 2006 Development
  • Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…

    ... .zip"]timing test[/URL] to include tests which are useful for 128k testing ... the paging. Note that the test should be loaded in USR ...
    Patrik Rak Patrik Rak September 2007 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... and RUN for each next test.

    The infinite loop ... correspond to standard 48k and 128k time offsets shortly before the ... .blogspot.com.br/2013/04/timing-test.html]blog[/url].

    TK90XFan TK90XFan April 2013 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... /misc/timingtest-0.2.zip"]timing test[/URL] program.[/QUOTE]

    128K with "normal" timing should start at cycle 14361 but this test ... Spectrum 128K with "late" timing should start at cycle 14362 but this test ...
    Einar Saukas Einar Saukas April 2013 Emulators
  • 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…

    ... .
    Testing with fruitcakes 128k RAM test cart brings up the screen ...
    Macc Macc August 2013 Hardware
  • Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…

    ... a demo. Only good for 128K and +2A at the moment ... -time.
    ;
    ;+2A timing and 128K timing tested.
    ;Full 16x16 masked ...
    joefish joefish March 2014 Development
  • Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …

    ... with that device is a 128K RAM test firmware.

    When ... I run the test, the screen border colour changes ... broken as well since the test doesn?t seem to be ...
    CRNorris CRNorris February 2015 Hardware
  • Chrome - ZX Spectrum clone with Italian rootsSome you might know that the Italian ZX Clone been around for a while. The project was started by Mario Prato in 2004 and last year was re-created by…

    ... /> The clone is very interesting (128K timing, AY, FDD, D+ & Kempston ...
    Claudius Claudius May 2017 Hardware
  • TZX compatibility issuesI seem to have a problem with using TZX files on different emulators. Specifically, files Saved As TZX from emulator. I better explain: I have a fe…

    ... the majority of tapes used 128K timing especially after 1985.

    Fraser Fraser May 2003 Emulators
  • TZX compatibility issuesI seem to have a problem with using TZX files on different emulators. Specifically, files Saved As TZX from emulator. I better explain: I have a fe…

    ... br /> [/quote]

    The timing is relevent to the *gap ... the tape between edges*. The timing of the gap on tape ... the majority of tapes used 128K timing especially after 1985.
    [/ ... bit. Therefore, in general, any timing deviations in cycles from one ...
    Woody Woody May 2003 Emulators
  • TZX compatibility issuesI seem to have a problem with using TZX files on different emulators. Specifically, files Saved As TZX from emulator. I better explain: I have a fe…

    ... 't going to have a 128k timing block then maketzx etc should ...
    Fraser Fraser May 2003 Emulators
  • Keyboard Recognition problemHey Yo! After accidently breaking the old keyboard membrane in my ZX Spectrum 128k last week i have now replaced it with a new one. I have installed…

    ... said i have a spare 128k keyboard (without membrane) so i ... who owns a ZX Spectrum+/128k please test their keyboard and try ...
    CU_AMiGA CU_AMiGA December 2006 Hardware
  • What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]

    ... />
    I used a 128K to test the +2 components. I soldered ... the ram bank of the 128K and started testing each of ...
    odious odious March 2007 Hardware
  • Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…

    Dunno if this thread may be of use to you:
    [URL="http://www.worldofspectrum.org/forums/showthread.php?t=24467&highlight=128k+memory+test"]128 Memory test[/URL]
    Arjun Arjun January 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... posted the following copyright free test code for anyone to use ... /> Here is the Z80 128K +3 test code for the RS232 download ... /> Here is the x86 DOS test code (COM1 only) for the ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... Z80 code since my initial test, I can now post the ... /> Here is the Z80 128K +3 test code for the RS232 download ... /> Here is the x86 DOS test code (COM1 only) for the ...
    ASM ASM October 2010 Hardware
  • ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…

    ... 't know any method to test RAM only with a multimeter ... ) that it makes some RAM test and help me in my ... EPROM with Sinclair rom test and fruitcake 128K RAM test.

    Bye ...
    Jose_Leandro Jose_Leandro April 2011 Hardware
  • 48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…

    ... br />
    I built 128k upgrade according to the [url ... also tried to load few 128k games (Total Recall, ... I did wrong or test memory using some program ... to set it to get 128k compatibility?

    ... use it to get this 128k upgrade test and working?
    ...
    velesoft velesoft August 2011 Hardware
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... . So unless you calculate the timing of every other bit of ... itself is very hard to test. Get it wrong though and ... /misc/timingtest-0.2.zip"]timing test[/URL] which I have created ...
    Patrik Rak Patrik Rak January 2012 Games
  • Precisely timed loops in assemblyI'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I und…

    ... /misc/timingtest-0.2.zip"]timing test[/URL] program. There is quite ... interrupt precisely. Combined with the timing info for the known platforms ...
    Patrik Rak Patrik Rak February 2012 Development
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…

    [QUOTE=Crisis;609634]in 128k you have a frequently returning ... since it doesn't support 128K timing yet, it produces a slightly ... fine when I fix the timing in the next release.
    Einar Saukas Einar Saukas March 2012 Brand new software
  • 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…

    ... of this behaviour on real 128k machines?[/QUOTE]

    Yes ... don't have a real 128k for test the thing.

    zx81 zx81 May 2012 Emulators
  • 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…

    ... don't have a real 128k for test the thing.

    128k's and even on the ...
    Arjun Arjun May 2012 Emulators
  • EmuzWinHi folks I'm using EmuZWin and it's started running games super quick (not all games but some) I've tried messing around with speed settings but eve…

    ... this intended purpose as a timing test when I first mentioned that ...
    ccowley ccowley September 2012 Emulators
  • EmuzWinHi folks I'm using EmuZWin and it's started running games super quick (not all games but some) I've tried messing around with speed settings but eve…

    ... this intended purpose as a timing test when I first mentioned that ... couple of hours. Tweaking the timing to get it right was ... the screen and getting the timing right on that loop was ... the outset that it was timing critical. I wasn't particularly ...
    chev chev September 2012 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... /misc/timingtest-0.2.zip"]timing test[/URL] program.

    Patrik
    Patrik Rak Patrik Rak April 2013 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... /misc/timingtest-0.2.zip"]timing test[/URL] program.

    Patrik ...
    TK90XFan TK90XFan April 2013 Emulators
<1234567…34>

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  • WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello,<br /> Attempting to repair my 128k+ speccy.<br /> Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also.<br /> If anyone has …
  • Very simple 128k memory test?Just an idle thought, but...<br /> <br /> If on a 48K machine:<br /> <br /> [INDENT][B]PRINT PEEK 23732 + PEEK 23733*256[/B]<br /> <br /> [/INDENT]yi…
  • Test program for 128k machinesThere is a Test Program for 16/48k machines:<br /> [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0008884&amp;loadpics=3[/url]<br /> <br /> Is…
  • Was the Sinclair 128k the same as the 128k +2?I only ever played on a 48k Speccy a few times and I owned a +2 and that's it.<br /> <br /> Was the Sinclair 128 the same as the 128+2? I mean you co…
  • Ram test / diagnostic software for 128k?I need a ram test program urgently (as I have to bring this machine into the party place tomorrow) yet I couldn't find any in infoseek by typing "ram…
  • New test for finding missing +2A/+3 ULA timing detailsHello,<br /> <br /> having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention patt…
  • 128K exclusive single-load games Vs. 128k exclusive multiload gamesAlthough this matter is maybe more suitable to development, I will place it here as it mainly about games ;)<br /> <br /> I have realized after loadi…
  • Which 128k games actually used 128kA lot of 128k games were 48k games with decent AY music, or used screen flipping features,<br /> <br /> What games actually used 128k, e.g. all ban…
  • old 128K music and nowaday 128k musicthe old "official" specy 128 games has very good music, I love them.<br /> but these music are not uses the capatibilites of the AY chip, why?<br />…
  • Spectrum games that are both 48k and 128k but where the 128k version is infinitely superiorThe only one I can think of is "Rock Star Ate My Hamster" but there must be others . So where are the games where the 128 version is great but where …

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