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Search Again :: Adv Search 950 results in 0.001s
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  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ... , you may note a slight 50Hz buzz introduced to the music ... that already has a constant 50Hz interruption.

    Secondly, there ...
    ccowley ccowley October 2010 Announcements
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... demo on an NTSC machine (50hz and 60hz) , the timings throw ...
    fog fog October 2010 Sinclair Miscellaneous
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... at a fixed rate of 50hz (50 times a second).
    50hz...


    GOOD LUCK ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... slow, even compared with the 50Hz vertical retrace interrupt (are you ...
    mcleod_ideafix mcleod_ideafix October 2010 Sinclair Miscellaneous
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... slow, even compared with the 50Hz vertical retrace interrupt (are you ...
    Arjun Arjun October 2010 Sinclair Miscellaneous
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... /> vsync halt ; Wait for next 50hz interrupt.
    ret

    ASM ASM October 2010 Development
  • Playing SID music on AY??Hello. Some time ago, with occasion of another thread, I was asking about possibility of making a very certain thing - a SID emulator for Spectrum …

    ... with very fast player at 50hz the interpreter may work on ...
    Shiru Shiru November 2010 Development
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... must be fractionally higher than 50hz (unless the clock count is ... Spectrum smoothly move bitmaps around @ 50hz - you get to see the ... ;*! PCs do not run at 50hz!!! I really hate to see ...
    ASM ASM November 2010 Emulators
  • Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …

    ... OCP.EXE) to perform a 50hz pixel smooth horizontal scroll:
    ASM ASM November 2010 Development
  • emulator graphics issueHi, I use various emulators,each play the games correctly,but I have noticed that the graphics seem to lack definition.More so the pixels,they seem …

    ... the lowest possible setting - probably 640x480 and see how 'undefined and ...
    bleugh bleugh November 2010 Emulators
  • Flat screen TVsHi What are Composite 48K Spectrums and +2s like on flat screen TVs ? Just about to go down this route so just wondered.

    ... with a low res ( say 640x480 or a 1024x768 ) would probably ...
    BiNMaN BiNMaN November 2010 Hardware
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... /> vsync halt ; Wait for next 50hz interrupt.
    ret

    sekrets sekrets November 2010 Development
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... /> vsync halt ; Wait for next 50hz interrupt.
    ret

    ASM ASM November 2010 Development
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... display would have to be 50Hz, but VGA doesn't run ...
    Winston Winston December 2010 Hardware
  • At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…

    At the Goodwill store in Boone North Carolina is a Vectrex with 8 games for $250. I almost went for it, but it runs at 60hz and the UK is at 50hz so even a step down transformer would not make it work.
    Scottie_uk Scottie_uk January 2011 Chit chat
  • At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…

    ... and the UK is at 50hz so even a step down ...
    1980-20.. 1980-20.. January 2011 Chit chat
  • ZXSpin question...Hi Folks, ZXSpin has the ability to set the Z80 CPU Speed and the Emulation Speed. Not sure I understand the difference and my installation of ZXSp…

    ... game synchronises itself to the 50Hz interrupt then increasing the CPU ...
    Dunny Dunny January 2011 Emulators
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... it enters IM1 to have 50Hz interrupt executing my executive (doing ...
    tstih tstih January 2011 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... clock (if possible - using IM1s 50Hz clock),
    - tty driver (or ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... points to return address for 50Hz interrupt
    ld c,(hl ... have to skip some of 50Hz interrupts due to cost of ...
    tstih tstih January 2011 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... have to skip some of 50Hz interrupts due to cost of ...
    mcleod_ideafix mcleod_ideafix January 2011 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... of T states at a 50Hz interrupt rate (about 70000 on ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • RGB to VGA convertor for ZX128/+2/+2A/+3David Luftner release source code (VHDL) of SCANDOUBLER for ZX128/ZX128+2/+2A/+3: [url]http://velesoft.speccy.cz/other/scandoubler-for-zx128_fixed_by…

    The LA's question still remains (for a regular user anyway) - does it work on 50hz screen.
    (not only scrollers but also gigascreen and RGB pictures).
    Mister Beep Mister Beep January 2011 Hardware
  • Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…

    ... memory
    HALT ;Wait for 50Hz interrupt

    LD A ... memory
    HALT ;Wait for 50Hz interrupt

    LD BC ...
    joefish joefish February 2011 Development
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... rate, shit I remember when 50hz was standard and 60hz was ...
    dm_boozefreek dm_boozefreek February 2011 Chit chat
  • ZX-Art!!Look at this wonderful collection of spectrum pictures. :) [url]http://zx.maros.pri.ee/eng/top-100/[/url] I really enjoyed looking at this art galle…

    ... for Gigascreen images in correct 50Hz. Others (Internet Explorer, Chrome and ...
    moroz1999 moroz1999 February 2011 Sinclair Miscellaneous
  • ANN: Spectaculator 7.5Spectaculator 7.5 is now available from [URL="http://www.spectaculator.com/"]http://www.spectaculator.com/[/URL] - Spectrum +3 disk images in IPF fo…

    ... kill it. Changing the default 640x480 screen resolution and colour depth ...
    Refrenz Refrenz February 2011 Emulators
  • ANN: Spectaculator 7.5Spectaculator 7.5 is now available from [URL="http://www.spectaculator.com/"]http://www.spectaculator.com/[/URL] - Spectrum +3 disk images in IPF fo…

    ... kill it. Changing the default 640x480 screen resolution and colour depth ...
    Viceroy Viceroy February 2011 Emulators
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