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Search Again :: Adv Search 1000 results in 0.105s
<1…18192021222324…34>
  • Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?

    ... />
    [code]
    5 FLASH 0: CLS : FLASH 1
    7 ... LET z =0
    10 LET p=z ... >16 THEN LET z=0
    20 LET f=p ... AT 0,0;" ": GO TO 10
    40 PRINT AT 0,0; FLASH 0;" ";z ... enough to give a proper timing, so it should be coded ...
    Arda Arda November 2014 Development
  • Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …

    ... /> 02 failures - Spectaculator 8.0.0.3092
    06 failures - ... br /> 06 failures - Zero 0.6
    07 failures ... emulator:
    -- spiffy_0.6.0-win32

    ... mode and it passed all tests.)[/QUOTE]
    Interestingly, ... it on Spectaculator 8.0.0.3092 and I ...
    rich_chandler rich_chandler November 2014 Emulators
  • Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …

    FWIW, ZXDS passes all the tests. Well, it passes test 35 ... + is disabled, and it passes tests 36 and 37 as long ... is to test the contention timing, not the emulation of peripherals ... subsequent INs and thus the timing at all. I guess I ...
    Patrik Rak Patrik Rak November 2014 Emulators
  • Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …

    ... />
    Right the tests were written just to get ... times at length about timing and as he says ... people to run the tests on their reals spectrums ... nor are any of the tests... inc flags, MEMPTR, floatingbus ... /> Question is if the tests fail on real hardware how ...
    Richard_Butler Richard_Butler November 2014 Emulators
  • Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …

    ... ]FWIW, ZXDS passes all the tests. Well, it passes test 35 ... + is disabled, and it passes tests 35-37 as long as ... is to test the contention timing, not the emulation of peripherals ... subsequent INs and thus the timing at all. I guess I ...
    Richard_Butler Richard_Butler November 2014 Emulators
  • Deathsoft's UnrealSpeccyWas this new release announced on WoS ? [URL="http://speccy-live.untergrund.net/2014/11/unrealspeccy-v0-38-2/"]UnrealSpeccy v0.38.2 for Windows[/URL]…

    ... head though now) - possibly a timing issue...

    Generally Im ... ATM stuff since version 38.0...
    kgmcneil kgmcneil November 2014 Emulators
  • AVR ZX Spectrum V2_0Good time! Glad to present my new development - AVR ZX Spectrum V2_0. Sorry, have no english version of this video. [url]http://www.youtube.com/watch…

    ... :
    Test 0 [uncontended]
    Early/Late Timing
    UNKNOWN TIMING!

    to 0 [email]richard@ZXSpectrum4.net[/email]
    Vasil Vasil December 2014 Hardware
  • AVR ZX Spectrum V2_0Good time! Glad to present my new development - AVR ZX Spectrum V2_0. Sorry, have no english version of this video. [url]http://www.youtube.com/watch…

    ... :
    Test 0 [uncontended]
    Early/Late Timing
    UNKNOWN TIMING![/QUOTE]
    Pegaz Pegaz December 2014 Hardware
  • RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…

    ... anecdotal evidence and real world tests to come along and say ... 16. This should be 0 to 0.4v to display the composite ... the +3 only develop ~0.8v on the blanking input ... 's been dragged down to ~0.8v.

    By ... enough to say anything over 0.4v is a blanking ...
    guesser guesser January 2015 Hardware
  • Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…

    ... " addresses, thank you for your tests.

    when I get ... also every address have A8=0 (except for 61439, but hey ... , and 61440 also have A8=0)

    so I created ...
    ub880d ub880d January 2015 Hardware
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... /open?id=0B6XhJJ33xpOWaktDdVQtS1NGNm8&authuser=0[/url]

    You will ... "test" directory. There are three tests of the same program using ...
    Alcoholics Anonymous Alcoholics Anonymous January 2015 Brand new software
  • English text proof-readingHi, I'm a non-native speaker of English, and within few weeks (or earlier) I am supposed to give my technical report for evaluation. I don't want to …

    ... different groups. Like other statistical tests, we use ANOVA to calculate ...
    tomascz tomascz February 2015 Chit chat
  • Finally got round to itFinally got round to giving my old speccy a close look. Details 1982 Issue 2 Seriel No 001 196193 Hmm... Followed the initial tests on You tube w…

    ... ...

    Followed the initial tests on You tube which were ... /> O volt rail-----0
    +5 volt rail----0.8
    -5 ...
    DEATH DEATH February 2015 Hardware
  • Random object placementI'm looking for some advice on placing objects randomly in a game. I have a routine that reads a table and prints the corresponding object: 0 prints…

    I just run a simple empirical test (plotting randomly on screen) to compare the random generator algorithms mentioned here:

    [CODE]10 FOR f=0 TO 20000
    20 LET y=USR 32768: IF y
    Einar Saukas Einar Saukas February 2015 Development
  • Random object placementI'm looking for some advice on placing objects randomly in a game. I have a routine that reads a table and prints the corresponding object: 0 prints…

    ... not infallible. More rigorous randomness tests (as the Diehard suite) ... /kl7mpu5p9pn7v8e/sshot000000.png?dl=0"]https://www.dropbox.com/ ... s/kl7mpu5p9pn7v8e/sshot000000.png?dl=0[/URL]
    [IMG]https ... /s/kl7mpu5p9pn7v8e/sshot000000.png?dl=0[/IMG]

    ...
    Jerri Jerri February 2015 Development
  • Random object placementI'm looking for some advice on placing objects randomly in a game. I have a routine that reads a table and prints the corresponding object: 0 prints…

    ... consecutive pairs. The basic RNG tests are to take k-tuples ... /> [CODE]
    10 FOR f=0 TO 20000
    20 LET ...
    Patrik Rak Patrik Rak February 2015 Development
  • Any Examples of player controlled masked sprite over flip screen tilemapped rooms?Please does anyone kindly have any z80 code examples of a flip screens tile map with a masked character sprite that you can control via keyboard, ie …

    ... that fast and requires careful timing not to flicker. But it ... , you turn your tile IDs (0, 1, 2, 3) into a ... or HL to display tile 0, 1, 2 or 3) and ...
    joefish joefish February 2015 Development
  • You get what you pay for-You live and learnDecided to try for a cheap spectrum + on ebay described as not being able to tune it and some keys did not work - haha Duly received and opened up a…

    Your resistance tests should give values similar to ... transformer secondary (output) tappings = between 0Ω and 2Ω
    [/LIST]
    1024MAK 1024MAK February 2015 Hardware
  • CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…

    ... /> ; CMWC generator passes all diehard tests.
    ; http://www.worldofspectrum.org ... />    ;
       ; exit  : a = random number [0,255]
       ;         seed updated
    Alcoholics Anonymous Alcoholics Anonymous May 2015 Development
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... Sports: I made the following tests emulating a +2A on Spectaculator ... the +2A with a v4.0 ROM, more commonly found in ...
    Alessandro Grussu Alessandro Grussu May 2015 Games
  • Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc.&nbsp; There is an interesting…

    ... and small.  One of the tests had it printing sin(x ... n]", in);
         
          errno = 0;
         
          a = strtod(in ... binary 1000.*2^(-4) = 0.1000 = 0.5 base 10.

    In other words:

    0.8d0e95b27d * 2^(-39)

    Alcoholics Anonymous Alcoholics Anonymous June 2015 Development
  • Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc.&nbsp; There is an interesting…

    ... functions.  To create thorough unit tests it might take me another ... equivalent "double pi = 4.0*atan(1.0)" which is the wrong ... several constants in math48 too... 0, 1, 1/3, e, ln ... the argument is kept between 0 and 2pi before the series ...
    Alcoholics Anonymous Alcoholics Anonymous June 2015 Development
  • Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc.&nbsp; There is an interesting…

    ... functions.  To create thorough unit tests it might take me another ... equivalent "double pi = 4.0*atan(1.0)" which is the wrong ... several constants in math48 too... 0, 1, 1/3, e, ln ... the argument is kept between 0 and 2pi before the series ...
    zub zub June 2015 Development
  • Spectrum +3 blinking yellow/blueI received a +3, which only gives a yellow/blue blinking border during initialization. Pressing BREAK when powering on does not work, neither does a …

    ... routine at 0x0367 in ROM 0).

    If you have ... a prerelease version of the tests which support these cartridges directly ...
    balford balford September 2015 Hardware
  • Turbo RAM Glitch or feature ?I have been testing a Spectrum [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000328"]worldofspectrum.org/infoseekid.cgi?id=1000328"]RAM Tur…

    ... "]Yes, if you get the timing right, the BASIC editer will ... :
    [code]10 PRINT AT 0,0;IN 63486,IN 61438,
    RMartins RMartins September 2015 Hardware
  • What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…

    Made some tests that conformed my assumptions: if ... HL ;

    LD A,0 ; Removed BIT 5, the lock ...
    zPasi zPasi October 2015 Sinclair Basic
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... produce "F Invalid file name,0:1" then it crashed and ... not given it any exhaustive tests yet but at least I ... regulator and doing all the tests that are documented above : so ...
    harriusherbartio harriusherbartio October 2015 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... />
    The internal ROM check tests 0 - 8192, and therefore also takes ...
    roko roko October 2015 Hardware
  • Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…

    ... handy for raster beam/multicolor timing and such


    rra ;4 bit 0 set means 1T delay
    or 0 ; shorter: cp (hl) or similar ...
    Hikaru Hikaru December 2015 Development
<1…18192021222324…34>

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