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<1…13141516171819…34>
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... /> ; should be ignored by most low level drivers except special circumstances ... = 1 for input 2 for output : flush high level buffers
    Alcoholics Anonymous Alcoholics Anonymous November 2008 Development
  • Video Capture Cards?Well, looks my new speccys (a rubberkeyed 48 and a grey +2) don't want to play nice with my newish TV's tuner (or by connecting through my VCR, which…

    ... screens, like signal was too low.

    That's the ... +3 have a composite video output now. Note that your grey ...
    Zup Zup December 2008 Hardware
  • Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …

    ... (the code and the screen output) because both were quite messy ... with spaces to make all output appear same length
    LD ... C,A ;C now contains low part of result (8*A ...
    Digital Prawn Digital Prawn January 2009 Games
  • Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…

    ... (video in) pads, results NTSC output.
    Any ideas how to ... is to pull the pin low and it will go high ...
    guesser guesser January 2009 Hardware
  • Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…

    ... /> Why is this happening? The MIC line is on the same ... same time. Therefore complete screen output is switched off to handle ...
    ingo ingo January 2009 Hardware
  • Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…

    ... you are able to output different densities of pulses, ... count
    xor a ; output zero
    out (c), ... the time that the output should be low, and the time ... that the output should be ... least the output passed through a low pass filter ...
    Winston Winston January 2009 Development
  • Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…

    ... on an emulator because the low pass filter on your sound ... time and converts the generated output levels back to the approximate ... volume level (which is then output by the NDS DAC which ... own to generate the actual output :) ). It doesn't take the ...
    Patrik Rak Patrik Rak January 2009 Development
  • Spectrum beep volumesDid the earliar pre 1982 Spectrum 16/48k have a quieter beep than post 1982 models ? I seem to recall modifying my original Spectrum and fitting a j…

    ... have in standard audio output. Normally, from MIC port.
    It's ...
    Mister Beep Mister Beep February 2009 Sinclair Miscellaneous
  • Spectrum beep volumesDid the earliar pre 1982 Spectrum 16/48k have a quieter beep than post 1982 models ? I seem to recall modifying my original Spectrum and fitting a j…

    ... have in standard audio output. Normally, from MIC port.
    It's ...
    Chris A Chris A February 2009 Sinclair Miscellaneous
  • Using a tape drive for Spectrum +3Could I just use any tape drive? I only have a sony walkman, really. Could this work? Also, how would I load up it up on the +3? Do I just set the ta…

    ... and MIC circuits are designed with this in mind. The low pass ...
    Winston Winston February 2009 Hardware
  • Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…

    ... the difference between input and output voltage (x current) gets turned ... ) Replace internal regulator with a low-drop version. Then you can ...
    RetroTechie RetroTechie February 2009 Hardware
  • Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…

    ... . That is to say, the output is only 9V when the ... />
    You can drop the output voltage from your PSU by ... heatsinking is only marginally too low. A few volts dropped could ...
    DEATH DEATH February 2009 Hardware
  • Digital music from BEEPER (3 channels)Hello. :) I made some new stuff on my Timex 2048 and fit it in a 48Kb RAM. :) [url]http://z80.i-demo.pl/MISTER_BEEP-Cosmic_Escape.mp3[/url] This…

    ... effectively has a low pass filter on its output which should attenuate ...
    Alcoholics Anonymous Alcoholics Anonymous March 2009 Sinclair Miscellaneous
  • Fuller Sound box faulty for the Zx SpectrumBit of a long shot, but anybody got schematics for the fuller sound box, mine works apart from the ear socket, can't load games thr' the supplied ear…

    ... it takes the output from the Spectrum's EAR/MIC or actually ...
    Jimmy Jimmy April 2009 Hardware
  • Plan BHi all, so, here is the Spectrum I won recently : [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=330306627242[…

    ... ouput (voltage) level is quite low. I've had success with ... speaker, and use the headphone output on [I]that[/I] (with ...
    RetroTechie RetroTechie April 2009 Wanted
  • 128K +2 (Grey) no image output.Got an 128K +2 Grey that works in every aspect except no image (neither from RF or RGB), swaped the RF from my 48K+ witch was working well and tested…

    ... site, and the sound socket output got's lot of noise ... image and a bit of low quality sound.

    Schematics ...
    JLPedro JLPedro April 2009 Hardware
  • Spectrum SoundHi all - I think I must be going mad, to much playing C64 games !!, anyway my question is about Speccy sound - the little speaker, it`s so quiet I ca…

    You can connect the 48k to output to an amplifier through the mic or ear sockets.
    Pilsener Pilsener April 2009 Hardware
  • Loading games from MP3 playersI read on here ages ago about people running Speccy games from MP3 players or iPods.. Would I be right in assuming that you would plug said player i…

    ... myself and the sound output is too low. What does work for ...
    BiNMaN BiNMaN April 2009 Hardware
  • Pera Putnik's RGB interfaceI am sure some (if not many) of you will have seen Pera Putnik's RGB interface [URL="http://members.tripod.com/%7Epiters/uvyrgb.htm"]circuit diagram…

    ... . The signals are formed by output stages not designed to drive ... adding a resistor with a low value will cause a big ... will also cause nonlinearity of output signal. Note that because of ...
    ingo ingo April 2009 Hardware
  • Pera Putnik's RGB interfaceI am sure some (if not many) of you will have seen Pera Putnik's RGB interface [URL="http://members.tripod.com/%7Epiters/uvyrgb.htm"]circuit diagram…

    ... , and ULAs video output is not so low that we should talk ... visible even with Speccy's low resolution. Tiny. colored vertical lines ...
    piters piters May 2009 Hardware
  • Pera Putnik's RGB interfaceI am sure some (if not many) of you will have seen Pera Putnik's RGB interface [URL="http://members.tripod.com/%7Epiters/uvyrgb.htm"]circuit diagram…

    ... , and ULAs video output is not so low that we should talk ...
    ingo ingo May 2009 Hardware
  • Desperately need help with .TAP file bug (probably a wrong value error)I'm trying to create a .tap file with Java and have been following the specification at [url]http://www.zxmodules.de/fileformats/tapformat.html[/url…

    ... 3
    controls the tape output with Bit 3 = 1 genrating ... Bit 3 = 0 generating a low output.
    Data is written to ...
    Alcoholics Anonymous Alcoholics Anonymous May 2009 Development
  • PZX file support for ZX-BlockeditorDear readers, I'm working on the PZX format support for ZX-Blockeditor, as I discovered the advantage of having such a nice file format. It has a cl…

    ... than pzx_pulse() for generating the output, see also -p option of ... change the signal level from low to high, e.g.
    100 --> low
    120*18 --> low (even means no ... (odd count)
    8655 --> low
    735 --> high
    clausjahn clausjahn May 2009 Development
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... ld (hl), c ; low byte of the output routine
    inc hl ... b ; high byte of the output routine
    inc hl ; ...
    ld (hl), c ; low byte of the input routine ... ld c,a ; set the low byte of the offset
    ld (hl),e ; the low byte of the offset
    chev chev May 2009 Development
  • Does anybody do any home recording?I've been toying with the idea of putting a few simple music tracks together in my spare time. Although I own 3 x bass guitars, 2 x normal electric g…

    ... from his guitar. Usiing the Mic socket with a 1/4 ... could plug in the mic and record the output of the amplifier ...
    Spex Spex May 2009 Chit chat
  • Does anybody do any home recording?I've been toying with the idea of putting a few simple music tracks together in my spare time. Although I own 3 x bass guitars, 2 x normal electric g…

    ... from his guitar. Usiing the Mic socket with a 1/4 ... could plug in the mic and record the output of the amplifier ...
    Bermondsey Bob Bermondsey Bob May 2009 Chit chat
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... data transfer protocol over the MIC and EAR sockets, built on ... /> This looks like a fairly low-level thing: you may have ...
    Winston Winston June 2009 Announcements
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... functions (FILE* stuff) and low level functions (file descriptor stuff ... in FILE* and a low level direct interface to the ... which would forward transformed output to the low level file which is ... driver. Closing the original low level file removes the FD ...
    Alcoholics Anonymous Alcoholics Anonymous June 2009 Announcements
  • More 1-bit music from Mr BEEPGot an e-mail this morning but didn't see a thread, so here it is: [url]http://berlin_hq.micromusic.net/bhack.html[/url] [QUOTE]BHQ001 MISTER BEEP …

    ... your mp3 recorded from the MIC port of the Timex?
    -----------
    Yes. It's MIC, with stereo cable from some ... and listenning music not from MIC but from a speaker on ... because Timex has somehow totally low level of noises and I ...
    Mister Beep Mister Beep June 2009 Sinclair Miscellaneous
  • More 1-bit music from Mr BEEPGot an e-mail this morning but didn't see a thread, so here it is: [url]http://berlin_hq.micromusic.net/bhack.html[/url] [QUOTE]BHQ001 MISTER BEEP …

    ... MIC.

    I am working on tuning Fuse's sound output ...
    Fred Fred June 2009 Sinclair Miscellaneous
<1…13141516171819…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
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    mel the bell on April 20

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