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<1…16171819202122…34>
  • ZEsarUX 8.1 Beta 2Hi! I have uploaded a new ZEsarUX 8.1 Beta 2 version! You can download it from https://github.com/chernandezba/zesarux/releases/tag/8.1-161220…

    ...
    Added setting to choose cpu type

    Improved Debugging ... :
    -debug CPU window: can now resize height ... most right position
    -debug CPU window: show interrupt routine pointer ...
    chernandezba chernandezba December 2019 Emulators
  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... /> Added ZRCP commands:
    -cpu-code-coverage: working with code ... coverage
    -cpu-history: working with cpu history
    - ... right position
    -cpu transaction log: faster when ... emulation
    -debug CPU window: show interrupt routine ...
    chernandezba chernandezba February 2020 Emulators
  • New competition - Yandex Retro Games Battle 2020The Yandex Museum announces the kickoff of its second annual Yandex Retro Games Battle, a competition to create the best game for the ZX Spectrum. [u…

    ... Idealny Pixel. Produced the game Castlevania: Spectral Interlude. Has Russia's ...
    Michelle_KG Michelle_KG June 2020 Announcements
  • 48k issue 4B display problem etchi,, i have a zx spectrum 48k issue 4B with a display issue it has wavy lines in both the border and paper,some colours seem worse than others ie red…

    ... tried everything short of changing CPU ,, ie replaced video encoder,new ...
    mark8bit mark8bit June 2020 Hardware
  • zx spectrum +2 no clock signal ??help me ...... looking at a specie +2 (original +2) it is the Z70700 issue 1 (uk one) i seem to have no clock,no display,no sound at all. it is sho…

    ... ,i know the ULA/ROM/CPU are good as they have ... pin 2 goes to the cpu pin 6 (clock) and that ...
    mark8bit mark8bit July 2020 Hardware
  • 48k spectrum pausing the clockI had a spectrum 3b motherboard donated to me with no case. So i have decided to put it in a custom case with built in kempston port etc. I also …

    ... trace. I have connect the cpu side to the centre of ... to +5v to freeze the CPU (in the same way the ...
    gazj82 gazj82 September 2020 Hardware
  • doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…

    ... .
    I'm suspecting a CPU problem, or ULA.
    Diagnostic ...
    gleegum gleegum September 2020 Hardware
  • Vampire Slayer Demo 1.3If you love castlevania then you are going to love a new game coming for the ZX Spectrum called Vampire Slayer. Check out the link in the videos desc…

    If you love castlevania then you are going to love a new game coming for the ZX Spectrum called Vampire Slayer. Check out the link in the videos description to find out more.

    https://www.youtube.com/watch?v=an8XKw2A9SI
    morcar morcar October 2020 Brand new software
  • ZEsarUX 9.1New ZEsarUX stable version 9.1 :) You will find, as always, compiled versions for Linux, FreeBSD, Mac and Windows. The source code is available,…

    ... /> -Show all registers on Debug CPU window
    -Support ZSF snapshots ... :
    -Added MMU information to cpu-history and get-registers commands ... /> -Added MMU information when viewing cpu registers on terminal console
    chernandezba chernandezba November 2020 Emulators
  • Delta's ShadowA new mega-game from sanchez + co (castlevania, etc) and design by sinc-lair. It's a pay title but there is a downloadable demo: https://zxonline…

    ... mega-game from sanchez + co (castlevania, etc) and design by sinc ...
    Alcoholics Anonymous Alcoholics Anonymous December 2020 Brand new software
  • ANN: Tipshop updated Saturday, 02 January 2021Saturday 02 January 2021 Happy New Year, Spec Chums! I was hoping to do this update for Xmas - but difficulties involving fermented apples got in th…

    ... links for Antiquity Jones,
    Castlevania: Spectral Interlude, **** Internet Trilogy, The ...
    hackersanon hackersanon January 2021 Announcements
  • zx spectrum display corruption .. with lower ram module installed[img]https://photos.app.goo.gl/Gu6rjC5v21sZxwTX9[/img] [img]https://photos.app.goo.gl/FznVw8SkbbhWn5mh7[/img] another specie question : i have …

    ... from the rom to the cpu etc. this was preventing the ...
    mark8bit mark8bit January 2021 Hardware
  • zx spectrum 48k issue 6A boot fail- black paperohh whats wrong with this poor specie .. boot fail,, border white & paper black .. when reset it shows the red lines to indicate that the CPU is cycl…

    ... lines to indicate that the CPU is cycling and reading the ... a clock out of the CPU using a arduino which detected ... for the 50hz signal from CPU (interrupt request) it detected noting ...
    mark8bit mark8bit February 2021 Hardware
  • ZEsarUX 9.2 Release CandidateHi! I have uploaded a new ZEsarUX Release Candidate version 9.2. The final stable version will come in a few weeks, so stay tuned! You can down…

    ... /> -Optimize sprite rendering (saving 1% cpu on my computer)


    Improved Debug CPU Window:
    -Can load a ...
    chernandezba chernandezba March 2021 Emulators
  • Superchess 3.5 (CP Software / Deep Thought, 1985)Although we have the box for this version within the Sueprchess3 entry, we don't seem to have the file itself. This version allows you to set the CPU…

    ... allows you to set the CPU time limit to between 5 ...
    MartinUK MartinUK March 2021 MIA/STP/SDP
  • ZEsarUX v9.2 Final released - Version 9.2 - Cliff Hanger edition. 05 April 2021As seen on: https://github.com/chernandezba/zesarux/releases [quote] ZEsarUX-9.2 @chernandezba chernandezba released this 21 hours ago · 6 com…

    ... /> -Optimize sprite rendering (saving 1% cpu on my computer)


    Improved Debug CPU Window:
    -Can load a ...
    Luzie Luzie April 2021 Emulators
  • New Version of ZEsarUX v9.3 Beta 1 availableNew Version of ZEsarUX v9.3 Beta 1 available Downloads: [url="https://github.com/chernandezba/zesarux/releases/tag/9.3-25062021"]https://github.co…

    ... :
    -Added setting to pause cpu emulation on menu when multitask ...
    Luzie Luzie June 2021 Emulators
  • boot fail .. bad address lines A7,A12,A13anybody have any ideas what could be wrong with this specie issue 3B .. work done : removed rom, upper ram & logic put lower ram multiplexers in sock…

    ... been in one ) tried different CPU's & ULA's. fitted ... & address bus lines from cpu on ward for continuity .. A7 ...
    mark8bit mark8bit August 2021 Hardware
  • Missed opportunities in the 80'sAll the talk of the Loki got me thinking... What if someone had built an expansion box for the speccy that had the 3812 Yamaha music chip ( Adlib Sou…

    ... the original as a donor CPU, RAM and keyboard, doing away ...
    cj7hawk cj7hawk September 2021 Hardware
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... 486 was the first Intel CPU to have internal cache memory ... used this as an external CPU replacement, but it would have ... have been necessary is a CPU board slot ( like the Intel ...
    cj7hawk cj7hawk September 2021 Hardware
  • ZEsarUX 10.0ZEsarUX 10.0 is out! Download it from : https://github.com/chernandezba/zesarux/releases/tag/10.0 Changes: Version 10.0 - Clive Sinclair edi…

    ...

    Improved Debug CPU Window:
    -Added backwards debugging ... backwards run
    -Added cpu history menu to see registers ... -Added setting to pause cpu emulation on menu when multitask ... access
    Fixed cpu-step behaviour the first time ...
    chernandezba chernandezba October 2021 Emulators
  • zx spectrum +2A / +2B no clock signal or video display / gate array dead ?scratching my head with this sick specie .. it is a issue 4 .. i was hunting for R45 that goes between the clock signal of cpu and gate array,, but i…

    ... between the clock signal of cpu and gate array,, but i ... 74HCU04 and off to the cpu (i think it goes into ... 2(pin3/4) before the cpu but no sign of the ...
    mark8bit mark8bit November 2021 Hardware
  • New release of ZEsarUXFound today by chance on: [url]https://github.com/chernandezba/zesarux/releases/tag/10.1-13122021[/url] [quote]ZEsarUX-10.1 Beta1 Pre-release che…

    ... shell scripts
    Improved Debug CPU:
    -now it highlights which ...
    Luzie Luzie December 2021 Emulators
  • Zero v0.8Pigs can apparently fly because it's the v0.8 update of Zero that no one asked for but is out for public consumption anyway. Grab it [url="https:/…

    ... 0.8
    ----------------
    + Added CPU speed adjuster in addition to ...
    Arjun Arjun January 2022 Emulators
  • New discovery on Z80 interrupts.This is to announce the discovery of a new, hitherto unknown, behavior of the RETI and RETN instructions. As everyone knows, the maskable interrup…

    ... -flops (IFF1 and IFF2). The CPU does not accept this kind ...
    rich_chandler rich_chandler April 2022 Emulators
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    ... (on both the ULA and CPU), however, the voltage is way ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…

    ... palette
    Blitter objects using CPU commands
    Advanced BOB and ...
    Tymo6666 Tymo6666 October 2022 Development
  • Realspectrum againI have tried Realspectrum on a Celeron 400MHz PC, and I can get roughly 1 frame every two seconds. That's obviously ridiculously bad. I'm running it …

    ... seems to use much more CPU power.

    So if ...
    Anonymous Anonymous October 2001 Emulators
  • What are you playing now?A bit off topic for this forum perhaps, but I'm curious about what games people are playing now. Platform does not matter. It's crazy, I have lots a…

    ...
    IO on C64
    Castlevania on Gameboy Advance

    Javier Javier February 2002 Games
<1…16171819202122…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
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    John Elliott on April 21
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    rich_chandler on April 21
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