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Search Again :: Adv Search 1000 results in 0.019s
<1…20212223242526…34>
  • Can a ZX81 be upgraded to a Spectrum?No, I don't want to do this, and I agree that to do so (even if I could) would be a waste of time. The question is, is it possible though? The upgrad…

    ... that the basic structure of ZX81 and ZX Spectrum is similar ... '.

    Compare with those TV shows where people take a ... ever wanted a Spectrum in ZX81 case, it would probably be ... circuit board design to fit ZX81 case.
    RetroTechie RetroTechie December 2010 Hardware
  • Spectrums on the TV and/or in movies?Hi, I've seen a number of threads on these forums about Spectrum sound being used on TV, but does anyone know of any films or TV programmes that act…

    ... ;348112]There's also a ZX81, if anyone's interested, in ... of the TV show "Whiz Kids"[/QUOTE]
    A ZX81 is the ...
    Jonathan Harston Jonathan Harston December 2010 Sinclair Miscellaneous
  • zx81 rf outputHi All I'm not sure if this is an appropriate forum for the zx81, however I'll ask anyway;) I've connected my zx81 up to a mid 90's color tv. I can…

    ... could be done on the ZX81, and if so, if ... this: [URL="http://www.zx81.de/english/video_e.htm"]www ... .zx81.de/english/video_e.htm[/URL]

    My TV also ... 100uF (or more?). On my ZX81's, image is a [ ... gt; comp. video input on TV), and sometimes there's a ...
    RetroTechie RetroTechie January 2011 Hardware
  • zx81 rf outputHi All I'm not sure if this is an appropriate forum for the zx81, however I'll ask anyway;) I've connected my zx81 up to a mid 90's color tv. I can…

    ... like this: [URL="http://www.zx81.de/english/video_e.htm"]www ... .zx81.de/english/video_e.htm[/URL]

    My TV also ... 100uF (or more?). On my ZX81's, image is a [I ... -> comp. video input on TV), and sometimes there's a ...
    gtsamour gtsamour January 2011 Hardware
  • zx81 rf outputHi All I'm not sure if this is an appropriate forum for the zx81, however I'll ask anyway;) I've connected my zx81 up to a mid 90's color tv. I can…

    ... the ZX Spectrum and the ZX81.
    Yes I know the ... and fast connection on a tv option.
    gtsamour gtsamour January 2011 Hardware
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... like the C5, flat screen TV and so on. The Spectrum ... on the success of the ZX81/Spectrum and carve out a ...
    Paddy Coleman Paddy Coleman February 2011 Sinclair Basic
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    ... to save up for my ZX81 and that was only ?49 ... added that was a 1K ZX81 and I had no tape ... recorder or portable TV to plug it in to ...
    Paddy Coleman Paddy Coleman February 2011 Sinclair Basic
  • At What Age did you get your first computer?I was at a dinner party and people where all complaining on how kids this days start playing computers very early on, and how they see kids with 5 an…

    ... VHS/TV repair depot for Granada and picked up a ZX81 from ...
    szeliga szeliga February 2011 Chit chat
  • ZX80 FaultyI have a boxed ZX80 that when I connect to the telly it doesnt tune in right. I can use the K/Board and see that its working on the screen. Iv tried …

    ... /> Unfortunately the ZX80, like the ZX81 is a litte more involved ... to find it on a TV, try using a VCR instead ...
    Zetr0 Zetr0 March 2011 Hardware
  • ZX80 FaultyI have a boxed ZX80 that when I connect to the telly it doesnt tune in right. I can use the K/Board and see that its working on the screen. Iv tried …

    ... /> Unfortunately the ZX80, like the ZX81 is a litte more involved ... to find it on a TV, try using a VCR instead ...
    Alien 8 Alien 8 March 2011 Hardware
  • ZX80 FaultyI have a boxed ZX80 that when I connect to the telly it doesnt tune in right. I can use the K/Board and see that its working on the screen. Iv tried …

    ... http://www.zx81stuff.org.uk/zx81/images/composite.gif[/img]
    TV/Monitor set.

    ... ]http://www.zx81stuff.org.uk/zx81/images/composite_circuit.gif[/img]
    zx81/ts1500_video.html]clicking here[/url ...
    Zetr0 Zetr0 March 2011 Hardware
  • Composite modding a TK-83Hi everybody, Perhaps you can help me. I've just modded my Jupiter Ace 4000 to composite video and it worked a treat, so I thought I'd try one of my…

    Yep... black notch missing. Typical screen...
    Same on my Timex1000 (ZX81). Picture is fine on another TV though.
    gtsamour gtsamour March 2011 Hardware
  • 50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…

    ... this is what a contemporary TV needed. In normal operation, even ... use standard timmings for vsync pulses so some TV's manage this ... others (notably some LCD/Plasma TV) cannot sync the image at ... depends upon the kind of TV you have.
    mcleod_ideafix mcleod_ideafix April 2011 Development
  • New game! Nanako in CJMC for ZX81!Yup, that's true. We've been busy in crafting a nice, small, simple library to code games in text mode (this is, standard, unexpanded) for the 16K ZX…

    ... has great effects in the TV emulation options.

    The ... and is probably the best ZX81 emulator - see [url]http://www ...
    rwap rwap May 2011 Brand new software
  • Cheap media player for speccy ?Although sort of non Sinclair hardware directly, I want a cheap media player to transfer wav / mp3 tapes (any other recommended formats?) to my specc…

    ... get on the old CRT TV via RF, the image through ... Cabel one instead of the TV)? Wouldn't it be "strictly ... none of them emits any buzz when turned on :)
    Alessandro Grussu Alessandro Grussu June 2011 Hardware
  • Hey Hey... 48k?There's been a few threads recently where people have actively sought to avoid 128k versions of games. And I have to ask: twenty years after the Spe…

    ... to save up for my ZX81. Currys (notice a trend here ... have a tape recorder or TV to use - I borrowed my ... have my own tape recorder/TV until I got the 48K ...
    Paddy Coleman Paddy Coleman August 2011 Games
  • Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…

    The ZX Spectrum and ZX81 have a part of memory ... memory is sent to the TV.
    When you alter this ...
    Dr BEEP Dr BEEP August 2011 Announcements
  • Is this pure bulls@*t or what?Read [URL="http://www.ebay.co.uk/itm/SINCLAIR-ZX-SPECTRUM-PLUS-48K-REFURB-COMPOSITE-OUT-/170691876340?pt=UK_VintageComputing_RL&hash=item27be0755f4#h…

    ... thing...well from a ZX81 perspective anyway...I have ... recently fried 2 ZX81 ULAs doing the composite ... The video output of the ZX81 is a pin on ... is directly connected to the ZX81 ULA, with no components ... input to the TV modulator. The ZX81 has a single ...
    Winston Winston September 2011 Sinclair Miscellaneous
  • Is this pure bulls@*t or what?Read [URL="http://www.ebay.co.uk/itm/SINCLAIR-ZX-SPECTRUM-PLUS-48K-REFURB-COMPOSITE-OUT-/170691876340?pt=UK_VintageComputing_RL&hash=item27be0755f4#h…

    ... ]The video output of the ZX81 is a pin on the ... is directly connected to the ZX81 ULA, with no components inbetween ... the input to the TV modulator. The ZX81 has a single pin ...
    Macc Macc September 2011 Sinclair Miscellaneous
  • Composite ProblemHi everyone :smile: I have done the composite modification on a few of my rubber key Spectrum's, and I've had no problems with these on my old porta…

    ... the signal (in particular, the vsync part of the output lacks ... fussy or keep your portable TV for retrocomputing purposes (it seems ... the job and use the TV's VGA input if it ...
    Winston Winston September 2011 Hardware
  • Spectrums on the TV and/or in movies?Hi, I've seen a number of threads on these forums about Spectrum sound being used on TV, but does anyone know of any films or TV programmes that act…

    ... ;348112]... There's also a ZX81, if anyone's interested, in ... an episode of the TV show "Whiz Kids" ([URL="http ... program, indeed it seems a ZX81 or a Timex appearing for ...
    mattsteel mattsteel October 2011 Sinclair Miscellaneous
  • Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…

    ... . I have had two ZX81's packed away for several ... this old b&w tv.
    [/quote]

    tv?
    [/quote]

    ... the unit to the tv and powered up I ... works other than via the tv outout?[/QUOTE]

    ...
    Spirantho Spirantho October 2011 Hardware
  • Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…

    ... am unable to tune the TV to the Spectrum so I ... not 100%.
    Both the ZX81 and Spectrum were obtained here ... works ok to the manual tv I presume that the Spectrum ...
    mcnaugg mcnaugg October 2011 Hardware
  • Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…

    ... 's the solution for the ZX81? I got one recently and ... see it working on the TV, the screen is black though ... a workable picture on the TV.
    Mark R. Jones Mark R. Jones October 2011 Hardware
  • Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…

    ... this circuit: [URL="http://www.zx81.de/english/video_e.htm"]http ... ://www.zx81.de/english/video_e.htm[/URL ... white levels being off (dark TV screen, barely visible characters) is ... their video signal. Which makes TV's fail to detect correct ...
    RetroTechie RetroTechie October 2011 Hardware
  • CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…

    ... br /> only on a tv screen the display is smothered ...
    on normal tv screen is a blurr of ... view vga card - witha tv encoder on it - not ... for the same manufacturers digital tv tuner are utterly incompatible ... can control unlike the zx81 with its tubro video ...
    Ralf Ralf October 2011 Chit chat
  • CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…

    ... br /> only on a tv screen the display is smothered ...
    on normal tv screen is a blurr of ... view vga card - witha tv encoder on it - not ... for the same manufacturers digital tv tuner are utterly incompatible ... can control unlike the zx81 with its tubro video ...
    polomint polomint October 2011 Chit chat
  • CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…

    ... br /> only on a tv screen the display is smothered ...
    on normal tv screen is a blurr of ... view vga card - witha tv encoder on it - not ... for the same manufacturers digital tv tuner are utterly incompatible ... can control unlike the zx81 with its tubro video ...
    Wookiee Wookiee October 2011 Chit chat
  • Anyone heard about the Chameleon before?Commodore haters: please skip this topic, allthough it's definately Speccy related! ;) [url]http://www.syntiac.com/chameleon.html[/url] Someone mad…

    ... some demos on your big TV screen :) But it's really ... (C64, Atari 8-bitters, Sinclair ZX81/Spectrum, Amstrad CPC, MSX) ?
    ddw ddw December 2011 Hardware
  • What was the best Designed Speccy???So what does the World Of Spectrum think the best Designed Spectrum was? [URL=http://imageshack.us/photo/my-images/845/thespectrums.jpg/][IMG]http:…

    ... , I have *always* felt the ZX81 was the best. It's ... to a TV). Unlike the ZX80 which looks funky, the ZX81 seems ...
    absinthe_boy absinthe_boy December 2011 Sinclair Miscellaneous
<1…20212223242526…34>

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