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  • ZEsarUX 6.1 RCHi I have uploaded a new beta version of ZEsarUX. This is ZEsarUX 6.1 RC so next version will be a final stable version :) You can download it fr…

    ... ZEsarUX. This is ZEsarUX 6.1 RC so next version will ... slow devices, like Raspberry Pi 1/Zero. Now ZEsarUX is playable ... debugging:
    * added cpu-step-over function on debug menu (was ...
    chernandezba chernandezba April 2018 Emulators
  • Breaking the Ice (another 1 line BASIC game)@Patters pushed me to do it... This is another 1-line BASIC game, with the same restrictions discussed. The mission: to save 10 penguins that a…

    ... ...

    This is another 1-line BASIC game, with the ... make. So, don´t step over broken ice.
    The controls ...
    IvanBasic IvanBasic August 2019 Brand new software
  • How does OVER work?I've found a short program that shows an example of the OVER command and it has me puzzled. The listing sets OVER to 1 then plots a point and draws a…

    ... shows an example of the OVER command and it has me ... puzzled. The listing sets OVER to 1 then plots a point and ... listing has the line draw over other colours and yet when ... before the line was drawn over them. I have a feeling ...
    LevelUp LevelUp December 2019 BASIC
  • GZX 2020.1 ReleasedHi, I just released [url="https://github.com/jxsvoboda/gzx/releases/download/v2020.1/gzx-2020.1.zip"]GZX 2020.1[/url]. [youtube]3AOQETbfrPA[/yo…

    ... /releases/download/v2020.1/gzx-2020.1.zip"]GZX 2020.1[/url].
    over the last one (don't ...
    Chip Chip March 2020 Emulators
  • OSSC HDMI Open Source Scan Converter 1.6I am considering purchasing an OSSC HDMI Open Source Scan Converter 1.6 so that I can upscale my vintage computers including my beloved three belove…

    ... HDMI Open Source Scan Converter 1.6 so that I can ... british LCD TVs that came over with me are starting to ...
    Scottie_uk Scottie_uk November 2020 Hardware
  • Inkspector 2.0.1 releaseIt seems a good time to release an Inkspector update containing all the tinkering I’ve been doing on and off over the last year. InkSpector 2.0.1 …

    ... been doing on and off over the last year.

    InkSpector 2.0.1 (A ZX Spectrum emulator for ...
    inky inky May 2021 Emulators
  • 2022-09-07: System/Next 22.09 (=Core 3.01.10, FW 1.43 and NextZXOS 2.07k) releasedSo it´s software, but I´ll post it here for the Hardware Spectrum Next: 2022-09-07: System/Next 22.09 (=Core 3.01.10, FW 1.43 and NextZXOS 2.07k i…

    ... (=Core 3.01.10, FW 1.43 and NextZXOS 2.07k ... /> The long wait is finally over. The official Spectrum Next distribution ... /> Core 3.01.10, FW 1.43 and NextZXOS 2.07k ...
    Luzie Luzie September 2022 Hardware
  • Game Editor questionI'm currently updating my image utility - TommyGun and my old Map editor, which I haven't released on WoS yet. My question is this. Would people li…

    ... will become "Sprite Pack lib #1". I have "Sprite Pack lib ... the 128 and Timex for flicker free display and redraws the ... character code, with sprites floating over top of these.

    Alcoholics Anonymous Alcoholics Anonymous February 2004 Development
  • Help needed with drawing masked spriteI need to draw a small sprite (16 bytes) on to the screen using a mask. Its the only sprite that will be used so speed isn't too important. I was goi…

    ... avoiding the flicker that might occur when 1) painting over the old sprite ...
    ekoman ekoman December 2004 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... /> sp_phantomas = sp_CreateSpr(sp_OR_SPRITE, 3, phantomas_1_a, 1, TRANSPARENT);
    sp_AddColSpr (sp_phantomas, phantomas_1_b ... . the graphic would be 1 frame behind the actual action ... of the screen over and over, and to minimize flicker. It will also ...
    Alcoholics Anonymous Alcoholics Anonymous September 2005 Development
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... all Timex computers at 1 million... not the TS1000 ... selling for less than $1,000. Next come Timex ... among machines priced between $1,000 and $5,000, ... about 400 Spectrum games over the years and found ... library that will generate flicker-free graphics no matter ...
    Alcoholics Anonymous Alcoholics Anonymous September 2006 Sinclair Miscellaneous
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... in its life. So being 1/8 the cost AND twice ... again.

    The 4:1 ratio that you get sounds ... ratio more like 2:1 to 2.5:1. I am going ... second buffer and copy it over? What if you don't ... frames per update). Yet the flicker problem was resolved by using ...
    Alcoholics Anonymous Alcoholics Anonymous September 2006 Sinclair Miscellaneous
  • Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…

    ... 16
    1240 let y=-1
    1250 let points=0 ... 6+chr$ 20+chr$ 1+s$
    1290 let maxi ... )
    1310 let inci=1+(int(rnd0 then goto 3300 ... 10
    3140 let y=-1:goto 3400
    3200 ... k then let pos=pos+1
    3530 let k ... k then let pos=pos-1
    3550 if pos31 ...
    NotFound NotFound November 2006 Sinclair Basic
  • Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect. What happens is that you move the sight with ,.qa and space do…

    ... I can see the skip over the rest of the code ... d=b: LET a=a+1 : GO TO 160
    ... d=b: LET a=a-1 : GO TO 160
    ... c=a: LET b=b-1 : GO TO 160
    ... c=a: LET b=b+1
    [/code]

    ... stay still the character will flicker as you are continually clearing ...
    Toxitalk Toxitalk May 2007 Sinclair Basic
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... drawn at every interrupt (each 1/50 second)?
    [/quote]< ... two things to worry about: flicker, which is caused by graphics ... /> An easy way to avoid flicker is to simply completely draw ... , that dirty list is iterated over with the engine completely drawing ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... bunch of numbers and then over to group C, etc. A ... "random number generator": nextrand = prevrand+1; prevrand = nextrand;

    Yes ... LIST[/B]
    [B]
    #1 Redo pixel scroller to act ... within 50000 cycles to avoid flicker, which seems to be an ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... care of making all things flicker-free without our having to ... /> {
    memopi(buff, gfx_plotBorderPixel, 72, 1); // OR plot border into buffer ... note is that "sp1_IterateUpdateRect()" iterates over the rectangular area on screen ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • Double dragonWe all know the Speccy version is shit, but I've ragged the NES version of DDIII but this guy has real issues with it [url]http://www.youtube.com/wa…

    ... the Megadrive/Genesis only 1 in 10 was an ... this on numerous posts over the last year or ... the sprites are tiny and flicker even when there's only ... limits and sometimes a little over (take Gunstar Heroes for ... time.

    Rant over :D

    I've ...
    dm_boozefreek dm_boozefreek September 2007 Chit chat
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... relive the same game over and over again we try to ... 50Hz interrupt so that we 1- have a constant scroll ... to screen can be done flicker-free.

    d_ScrollStart() ... ) // an interrupt routine called every 1/50s
    {
    uchar ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... column 2*INT(x/2)+1.[/QUOTE]
    Agreed, I ... ]
    PRINT AT 18,x-1;" ___ ":
    [/CODE]
    ... flickers when the ball goes over it (it's really ... character causing most of the flicker). So I prefer to ... but I'm guessing the flicker could be fixed with use ...
    Digital Prawn Digital Prawn November 2007 Development
  • CPU question about various emulators for and on various machinesRight, you know how nowadays the latest CPUs seem to be dual (or more) core 2.4GHz (or whatever speed) as opposed to, say, single core 5.8GHz? Now I …

    ... , sadly. Thankfully Duke Nukem, Doom 1 and 2, and Shadow Warrior ... trend is for more cores over faster clock, but that is ... Technician Ted and Dynamite Dan 1 and 2 blew that fear ... pixel area? Multi-coloured borders? Flicker-free sprites? The humble ol ...
    ewgf ewgf March 2008 Emulators
  • 48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…

    ... are as follows :

    1) Software relies on block of ... in order to reduce screen flicker.

    6) Loss of ... display "SPECTRUM" and "PLAY" all over the screen. This is due ...
    Jimmy Jimmy June 2008 Games
  • "Upgraded" broadbandTo cut a long story short, I have just had my broadband speed upgraded from 1meg to 5meg (it was free). Having just spent over an hour setting up the…

    ... things here...

    1 he WILL get line noise ... why he's only getting 1 meg.

    ... caused him problems at 1 meg (packet loss, ... would have taken care over, knowing full well that ... so bad, the lights would flicker continuously, radios would buzz ...
    Winston Winston June 2008 Chit chat
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... us can press ESC in 1/3,500,000th of a ... at getting "Flight Sim 2008" flicker-free. Trying to make it ... whilst scrolling a map of over 1500x2000 compressed pixels is not ...
    Jimmy Jimmy September 2008 Emulators
  • Atic Atac speed.Dear all, Excuse the noob question, but does anyone know how fast Atic Atac runs at? What I mean is, frames per second, or the amount of pixels the…

    ... />
    Byte-scan drastically reduces flicker but the possibility (or inevitability ... !) remains for some flicker in the odd byte. I ... head start of a little over 14000 tstates to get drawing ... ROM keyscan code if mode 1 interrupts are enabled.
    Bob Stains Bob Stains January 2009 Games
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... The last character block is 1 pixel too high. So half ... on the right side is 1 pixel higher when it ... 4 timing profiles:

    1. 48K Spectrum
    2. 128K ... make it prone to occasional flicker.

    I'm ... third one for the 'GAME OVER' screen...
    joefish joefish August 2009 Development
  • Feelin' kinda proud of myselfOkay, it has bugs. But I kludged it together about 10 mins after getting the sprite thing to actually work. [url]http://britlion.googlepages.com/Spr…

    ... hope when you see them over at boriel.com, you ... The current code is posted over at Boriel.com for you ... my sprites flickered too. Sprite 1 flickered if it was drawn ... trick to doing it without flicker was to wait until ... and/or discusss it over on Boriel's forum.< ...
    Gedlion Gedlion March 2010 Development
  • Feelin' kinda proud of myselfOkay, it has bugs. But I kludged it together about 10 mins after getting the sprite thing to actually work. [url]http://britlion.googlepages.com/Spr…

    ... hope when you see them over at boriel.com, you ... The current code is posted over at Boriel.com for you ... my sprites flickered too. Sprite 1 flickered if it was drawn ... trick to doing it without flicker was to wait until ... and/or discusss it over on Boriel's forum.< ...
    na_th_an na_th_an March 2010 Development
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... />
    The reason sprites flicker if they're not properly ... your code must then 1)remove the current picture ... spaceship a few pixels over to the left. If ... picture is updated between 1) and 2), then ... /> So, to avoid the flicker, the game must make sure ...
    ccowley ccowley October 2010 Sinclair Miscellaneous
<1…14151617181920…34>

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