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  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... . Start adding things like hardware scrolling and it just wouldn't ... /> With such arguments why is ULA Plus even here then? You ... to support advanced features like scrolling, sprites, broad colour palette... all ...
    maiki maiki October 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... ]With such arguments why is ULA Plus even here then? You ... to support advanced features like scrolling, sprites, broad colour palette... all ...
    antoniovillena antoniovillena October 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... ]With such arguments why is ULA Plus even here then? You ... to support advanced features like scrolling, sprites, broad colour palette... all ... real Spectrum...[/QUOTE]

    ULA+ as it stands is essentially ...
    jonathan jonathan October 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... of the programmer", then yes, ULA+ fits in that scheme.
    ULA+, as it is currently defined ... (not tested), so a ULA++ with hardware scrolling, hardware sprites, 512x192 mode ... device. So if a physical ULA+ is ever to be produced ...
    mcleod_ideafix mcleod_ideafix October 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... ULAplus started out as a ULA replacement to fix those dead ... . The "plus" bit of a ULA replacement would probably be an ... support required" category A. HW scrolling, sprites etc fall into the ...
    csmith csmith October 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    If anybody needs hw scrolling and sprites on zx then ... channels stereo sound too.
    ULA+ is like divIDE, you still ... on ZX ?
    Timex improved ULA in very easy way long ...
    kpuchatek kpuchatek November 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... on developing something like ULA++ with hw scrolling.. let him do it ... is not like the new ULA is forcibly downloaded into every ... select a feature for my ULA^2 I would definitely want ...
    mr.spiv mr.spiv November 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... on developing something like ULA++ with hw scrolling.. let him do it ...
    guesser guesser November 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... on developing something like ULA++ with hw scrolling.. let him do it ... someone wants to develop hardware scrolling, or calculate pi to a ...
    gasman gasman November 2011 Development
  • Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…

    ... /> No thoughts given to hardware scrolling or sprites, no, but as ... plug-in replacement for the ULA as it would also have ... that could plug into the ULA socket, but that's a ...
    JeffB JeffB November 2011 Development
  • Great Giana Sisters (never released)[url]http://www.worldofspectrum.org/infoseek.cgi[/url] daamm, this looks like my ideal game, I love left-to-right platform scrolling games like turb…

    ... Mario is not all about scrolling, there are more imprortant ... more Mario-like game without scrolling.

    Acceleration, varying ... you might be correct but scrolling gives the perfect playability and ... />
    still, lack of ula contention helps a lot. I ...
    Arda Arda December 2011 Games
  • Boulder Dash clonesI would like to determine all games in the archive that are not yet listed as clones of [URL="http://www.worldofspectrum.org/infoseek.cgi?regexp=%5EB…

    ... really well, looks great, scrolling is a bit [B]jerky ... really well, looks great, scrolling is a bit [B]jerky ... not so jerky[/B] scrolling, charachters a bit too ... scrolling [B]jerky[/B] but what can we do, ULA ... smooth pixel by pixel scrolling. But I doubt it ...
    maiki maiki December 2011 Games
  • FPGA ZX SpectrumJust wonder: how many of you would buy "new hardware based" and "in case" ZX Spectrum based on FPGA? ;) [url]http://www.fpgaarcade.com/[/url]

    ... emulate faithfully the real 48K ULA (it's based on Chris ... Smith's book); it supports ULA plus (64 color mode), emulates ... time with loading stripes). The Snow Effect bug is also faithfully ...
    adorigatti adorigatti January 2012 Hardware
  • New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…

    ... multicolors is designed for Pentagon ula and in ZX+2 is ... ULA with different screen timing, then ... compatibility with russian software. Also snow/rain effect is switchable in ...
    velesoft velesoft February 2012 Hardware
  • New projectHello, you can see my new project for Spectrum in this link. I think that I finish it in few weeks. I hope you like it [URL="http://www.youtube.co…

    Wow, Snow Bros! A brave attempt in ... try to improve animation and scrolling a little bit. It's ...
    Ralf Ralf February 2012 Development
  • SpecEmu 3.0Has anyone else noticed that Woody's released a version 3.0 of SpecEmu? Nope? Just me then... :D

    [QUOTE=Woody;608290]Funny to think I ... smoothness of animation, especially horizontal scrolling.
    I use a laptop ...
    Pegaz Pegaz March 2012 Emulators
  • SpecEmu 3.0Has anyone else noticed that Woody's released a version 3.0 of SpecEmu? Nope? Just me then... :D

    [QUOTE=Woody;609242]This would probably be ... /> Now I have extremely smooth scrolling with no visible flickers of ...
    Pegaz Pegaz March 2012 Emulators
  • Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…

    ... /> [quote]
    The ULA bug which causes snow when I is set ...
    zx81 zx81 June 2012 Emulators
  • Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…

    ... technical page: "The ULA bug which causes snow when I is set ... core tries to emulate the ULA in a precise way. So ...
    adorigatti adorigatti June 2012 Emulators
  • Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…

    ... technical page: "The ULA bug which causes snow when I is set ...
    Encarnado Encarnado June 2012 Emulators
  • Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…

    ... into hardware), but seems that ula got confused only in T3 ... wrong.

    i.e. 'snow effect' is here, but it ... "right" — i've never seen snow on the bottom part of ... that somebody really notice incorrect snow emulation, but...

    p ...
    Ketmar Ketmar July 2012 Emulators
  • Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…

    ... that the Harlequin analysis on snow effect is not completed correct ... the ULA gets confused only with second screen byte, the snow should ... Harlequin website it seems the snow appears all over the screen ...
    Oibaf Oibaf August 2012 Emulators
  • ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…

    ... that when Woody and I were investigating the snow effect, Woody had code ... in all columns using the snow effect.

    Although we ... . I don't know if Woody improved the emulation further in ...
    Dunny Dunny August 2012 Emulators
  • ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…

    ... refresh address - just before the ULA puts its address on the ... .

    This is how woody was able to affect a ... row address and not the ULA address.

    Simples ...
    csmith csmith August 2012 Emulators
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    [QUOTE=guesser;650330]
    What it is not for is "why don't you add scrolling to ULAPlus?" type posts ;)[/QUOTE]
    What about if someone wanted to implement scrolling in a clone/ULA++ themselves and wanted to allocate/reserve some ports?
    JonS JonS September 2012 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... someone wanted to implement scrolling in a clone/ULA++ themselves and wanted ... a ZXI port to control scrolling? :D
    guesser guesser September 2012 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... a ZXI port to control scrolling? :D[/QUOTE]
    Maybe sometime ... for minor improvements to the ULA that I'd like to ...
    JonS JonS September 2012 Hardware
  • best EmulatorHi, what is the best emulator for the speccy, I'm sure someone on here knows and could i get a link please

    ... go. As karingal pointed out, Woody may be nonchalant about the ... very few) to emulate the snow effect.

    Having said ... as well, I'm sure Woody would love to hear about ...
    Arjun Arjun September 2012 Emulators
  • Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…

    ... the method of dividing the ULA half and CPU half of ... it can mean you get "snow" effect on the screen all ... the lower RAM while the ULA is reading video memory, so ... the ULA sees what the CPU is ...
    Winston Winston October 2012 Hardware
  • Ghost 'N Goblins - New Loading ScreenInspired by the new loading screen for Ocean's "Where Time Stood Still", I decided that I would go through some Spectrum games that had truly woeful …

    ... good, fluent gameplay and smooth scrolling.

    But for me ... /> Or improved even further with ULA+ implementation and the huge storage ...
    ANDREW RYALS ANDREW RYALS November 2012 Games
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