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  • Key Materials ,Concepts , and Ideas for DIY Cases For ZX Spectrum Interfaces.In the 1980's ZX Spectrum Interfaces were largely supplied "cased up" or encased . Nowadays often they are not as they are usually sold as bare PCBs.…

    ... thin material ( eg on a vertical interface , a thin material may ...
    harriusherbartio harriusherbartio January 2021 Sinclair Miscellaneous
  • Wanted: Game testers for Spectrum to Microsoft Excel portSo there I was one day at work, filling in spreadsheets in Microsoft Excel as usual when I idly thought, "Hey, if I made the cells small enough, they…

    ... screen. I'm talking scroll bars, buttons, column letters, row numbers ...
    LevelUp LevelUp March 2022 Games
  • What is VSYNC-based sound on ZX80/81?An Z81 emulator demo with quite impressive sound has this explanation -- "manipulating the vertical sync to create sound with the TV buzz". This is …

    An Z81 emulator demo with quite impressive sound has this explanation -- "manipulating the vertical sync to create sound with the TV buzz". This is new to me. What does it mean and can it be done on Spectrum too?
    tstih tstih April 2022 Development
  • 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…

    ...
    How we define playfield, vertical and horizontal scroll support
    Tymo6666 Tymo6666 October 2022 Development
  • CopperlistIf anyone knows how to create copperlist for ZX Spectrum? Vertical blank interrupt handling?

    If anyone knows how to create copperlist for ZX Spectrum?
    Vertical blank interrupt handling?
    Tymo6666 Tymo6666 October 2022 Assembler
  • EliteCan any of you good people tell me how to use the LENSLOC that is supplied with Elite.I have the game loaded at the ENTER CODE screen but cannot work…

    ... the screen so that the vertical centre of the lens bit ...
    David David January 2002 Games
  • What was the first thing you did with your spectrum?This is like an addition to Stuarts topic what made you buy your spectrum,,,,ok what i want to know from you lot is when you got your speccy home,or …

    ... the ones with no loading bars, and a counter on the ...
    Spector Spector August 2001 Games
  • Anyone need help TZXing for MIA/MIS ?Hiya folks, A lot of chat but no files yet [img]/__forums/images/smiles/icon_wink.gif[/img] So does anyone have any of the titles in the MIA/MIS li…

    ... , but the red and green bars don't move (no input ...
    Gareth Gareth July 2001 MIA/STP/SDP
  • ZX to EGA - it works !!I finally hooked up EGA monitor to ZX. Everybody can repeat if can hold the soldering iron in the arm. The circuit diagram is simple, it contains two…

    ... Horisontal retrace. Then I selected Vertical signal from S by integration ...
    Konstantin Konstantin November 2001 Sinclair Miscellaneous
  • ZX48 to EGAHi ! I have ZX48 Russion version "Master" and old EGA monitor. Is it possible to connect the monitor to Speccy ? I suppose, the RGBS TV output is not…

    ... some success after inverting the vertical retrace signal and picture is ... 15 KHz, but .. lost the vertical rate !! The picture moves up ...
    Konstantin Konstantin October 2001 Sinclair Miscellaneous
  • ZX48 to EGAHi ! I have ZX48 Russion version "Master" and old EGA monitor. Is it possible to connect the monitor to Speccy ? I suppose, the RGBS TV output is not…

    One of the EGA pins should be the vertical retrace sync pin - that'll need to have the correct Otherwise there should be an adjustment screw - although that may not have a sufficient range for synchronasation.
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... loop
    ........RET

    Vertical lines askes some more programming ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... calculation of the bitadress in vertical can be done outside the ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... drawn.

    Compute the vertical and horizontal distance to these ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... /> LD (screenadresslow),A

    Vertical needs some more, but can ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... or 8/7 line in vertical direction. It can even be ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... or 8/7 line in vertical direction. It can even be ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ...

    Here is a vertical line routine that only calculates ...
    rtunes

    ; ******************************************************************
    ;Vertical lines are quite simple.but ...
    rtunes rtunes November 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    if you've read my arbitrary line routine then you could make this vertical somewhat faster...
    Mikie Mikie November 2001 Sinclair Miscellaneous
  • ftp downloadingFTP-downloading... hmm.. After several attempts was obtained the message "...load will be continued after the input of password, which is concluded…

    ... ways (their cyber-censor software bars access to the home pages ...
    Rob Rob November 2001 Sinclair Miscellaneous
  • speccy+2 to HERCULESIn a few years ago I saw a Speccy connected to HERCULES monitor. Now I have one and I want to connect my speccy to it. If anyone knows how I can do a…

    ... needs these signals: horizontal sync, vertical sync, intensity, video. Signals must ... TTL.
    Speccy has only vertical sync and intensity (TTL) of ... composite sync to horizontal and vertical sync and convertor from speccy ...
    z00m z00m May 2001 Sinclair Miscellaneous
  • Emulation on Gameboy AdvanceHi everyone! I saw a topic about spectrum games on mobile phones... and it came to my mind: how about a full loaded speccy emulator for the new Nint…

    ... , including full-scale screen resizing, vertical interlacing, or just plain scrolling ...
    Refrenz Refrenz April 2002 Emulators
  • monitor interfaceI am searching for a monitor interface, so that I can use my Speccy on a computer monitor.

    ... can't cope with the vertical refresh rate of 15kHz
    Mikie Mikie May 2002 Wanted
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... Spectrum, much more than smooth vertical scrolling, due to the peculiar ... first class horizontal scrolling, but vertical scrolling was another cup of ...
    Alessandro Grussu Alessandro Grussu June 2002 Games
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... the Speccy.

    For vertical scroller's I have to ...
    Arjun Arjun June 2002 Games
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... Spectrum, much more than smooth vertical scrolling, due to the peculiar ... first class horizontal scrolling, but vertical scrolling was another cup of ...
    Spector Spector June 2002 Games
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... is visibly slower than the vertical one.
    Anonymous Anonymous June 2002 Games
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... -pixel horizontal scrolling compared to vertical scrolling. However, I still ... t cause you any problems. Vertical scrolling however, means you ... though, I agree that vertical scrolling is easier to do ... faster. The fact that vertical scrolling can be done in ...
    Ed Ed June 2002 Games
  • Quizzical 1 - Wots the story?Hokay, here it is then. My first go at setting a quiz on this forum. A few quick things first: * Post ur replies HERE only! * Try and NOT copy the…

    ... . Alien worlds. Rotating planet view. Vertical shoot-em up. Name the ...
    MatGubbins MatGubbins June 2002 Games
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Latest Posts

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