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<1…22232425262728…34>
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... count/address space and no interrupt handling) which all of you ...
    Matt_B Matt_B August 2008 Sinclair Miscellaneous
  • Running TZX off an IDE drive? Or streaming from a NAS?Hello. I know about the DivIDE project, and about the ZX Ethernet project, but not how far they've come or what they can do. So: 1. If I have a squ…

    ... all together with a timing interrupt.

    -- Richard
    Phu Phu September 2008 Hardware
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... make the same update for interrupt processing, which follows the 65C02 ...
    obo obo September 2008 Sinclair Miscellaneous
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... ROM is paged in every interrupt (at $0048 ). This explains why ...
    Jimmy Jimmy September 2008 Hardware
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... on real machines too, sometimes; interrupt timings can vary by one ...
    gasman gasman September 2008 Emulators
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... on real machines too, sometimes; interrupt timings can vary by one ...
    Pegaz Pegaz September 2008 Emulators
  • ZX Spectrum Sound Upgrade to C64Would it be possible to interface in a seperate C64 style SID sound device to the ZX Spectrum to make existing ZX Spectrum games sound like their C64…

    ... scan line, set some line interrupt palette changes up with PALETTE ...
    Quazar Quazar September 2008 Hardware
  • Games that cannot be completed due to bugs - the definitive listIt would be nice if the community of WoS compiled a list of all the games that are known to be impossible to complete due to bugs. Perhaps one day, a…

    Re: Firestorm

    Well, I thought I'd posted a snap at the time but maybe you didn't come up with any good beard pics as a swap and I just kept it for myself ;) The date on the snap says 28thOct06 which doesn't tie in with this thread so maybe it ...
    Mr. Anonymous Mr. Anonymous September 2008 Games
  • Question about something I don't know what is called.I am interested in reading about something which I don't know what is called (duh). I am looking for (online/offline) reading material which explain…

    ... /> * In actual fact, since the interrupt (should) only be at the ...
    Phu Phu September 2008 Hardware
  • ZX Spectrum Sound Upgrade to C64Would it be possible to interface in a seperate C64 style SID sound device to the ZX Spectrum to make existing ZX Spectrum games sound like their C64…

    ... the OS's own sound interrupt system.

    Another feature ...
    Phu Phu September 2008 Hardware
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... /> You need to "Leave" the interrupt code. It's fantastic that ...
    Woody Woody September 2008 Emulators
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... /> You need to "Leave" the interrupt code. It's fantastic that ... until -> Cycle event -> interrupt ?

    As SpecEmu is ...
    Jimmy Jimmy September 2008 Emulators
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... until -> Cycle event -> interrupt ?[/quote]

    Now, yes ...
    Woody Woody September 2008 Emulators
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... was deferred until the next interrupt period
    - IM mode and ...
    Woody Woody September 2008 Emulators
  • I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…

    ... the $FF bytes as an interrupt vector table, in IM 2 ... a JP to the real interrupt handler.
    Digital Prawn Digital Prawn October 2008 Development
  • I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…

    Yeah the IM2 interrupt trick I remember using years ago for some scrolly routine. Is this the same place in the ROM that was changed for 128k machines that killed some games?
    polomint polomint October 2008 Development
  • I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…

    ... the $FF bytes as an interrupt vector table, in IM 2 ... a JP to the real interrupt handler.[/quote]

    Neat ...
    Dr BEEP Dr BEEP October 2008 Development
  • I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…

    ... =polomint;305927]Yeah the IM2 interrupt trick I remember using years ...
    bobs bobs October 2008 Development
  • BEEP conundrumFor the "CSSCGC 2008 Tape Magazine" December edition, I have decided to use a BASIC sound routine I wrote last year which plays a festive tune using …

    ... time for the keyboard reading interrupt to trigger in between them ...
    Matt_B Matt_B October 2008 Development
  • Spectrum 'slow down' hardwareAny one else got one of these ? If so do you find it useful ? [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=…

    ... doing some kind of hardware interrupt.[/QUOTE]

    It works ...
    Matt_B Matt_B October 2008 Hardware
  • Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…

    You know word "Interrupt" or T-state? Even my grandma can scroll the screen in 2,5 second using a basic. The goal is to scroll the screen in 1/50 second.
    Shadow Maker Shadow Maker October 2008 Sinclair Miscellaneous
  • Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…

    ... Maker;308501]You know word "Interrupt" or T-state? Even my ...
    polomint polomint October 2008 Sinclair Miscellaneous
  • Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…

    ... corrupted if there was an interrupt.

    [QUOTE]By the ...
    Matt_B Matt_B October 2008 Sinclair Miscellaneous
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    ... very delicate timing, as an interrupt will push the return address ...
    Matt_B Matt_B October 2008 Development
  • Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…

    ... easily modify table after each interrupt. If you'd be below ... one interrupt, you could use stack as ...
    omega omega October 2008 Sinclair Miscellaneous
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    ... requires that you control the interrupt. It means that you disable ...
    omega omega October 2008 Development
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    ... delicate timing, as an interrupt will push the return address ... ) in beginning of the interrupt handler, change SP to ... interupts), handle interrupt, and restore SP before interrupt handler exits. ... slightly more problems. When interrupt occurs, two bytes of ...
    Shiru Shiru October 2008 Development
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    ... after the vertical blank/maskable interrupt. That way, not only are ... yourself. Write a very short interrupt routine that just does a ... (I). You can do your interrupt stuff after drawing the screen ...
    BloodBaz BloodBaz October 2008 Development
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    ... after the vertical blank/maskable interrupt. That way, not only are ... yourself. Write a very short interrupt routine that just does a ... (I). You can do your interrupt stuff after drawing the screen ...
    Matt_B Matt_B October 2008 Development
<1…22232425262728…34>

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