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  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... that, especially if it had vector acceleration or other capabilities.
    cj7hawk cj7hawk August 2021 Hardware
  • Zero v0.8Pigs can apparently fly because it's the v0.8 update of Zero that no one asked for but is out for public consumption anyway. Grab it [url="https:/…

    ... flag being incorrectly reset during interrupt (woody).
    - Fixed IFF2 flag ...
    Arjun Arjun January 2022 Emulators
  • New discovery on Z80 interrupts.This is to announce the discovery of a new, hitherto unknown, behavior of the RETI and RETN instructions. As everyone knows, the maskable interrup…

    ... /> As everyone knows, the maskable interrupt can be enabled and disabled ... control the state of the interrupt enable flip-flops (IFF1 ... not accept this kind of interrupt directly after an EI ... the acceptance of the maskable interrupt for one instruction, but ...
    rich_chandler rich_chandler April 2022 Emulators
  • 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…

    ... .

    Copperlist support, Vert_blank interrupt
    Graphic mode selection for ...
    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
  • Standard Development LibrariesSo after some time away I decided to re-register after a Twitter thread (https://twitter.com/SpectrumNez/status/1578158361236963328) led me to a Visu…

    ... and so on. Setting up interrupt tables and all that sort ...
    deusexmachina deusexmachina October 2022 Assembler
  • Taper / WinXP /SB ProbsDoes anyone know how I can get Taper to recognise my SB Live soundcard under Windows XP. The readme.txt mentions the BLASTER environment variable bu…

    ... being the port, I the interrupt and D the Direct Memory ...
    Fuzzbucket Fuzzbucket February 2002 Emulators
  • A DOS question, slightly OTI have an old laptop (a P75) which is great for Spectrum emulation (X128 ), and C64 emulation (CCS64), and I want to emulate the Atari ST, too. Now, …

    ... -program.
    This is a interrupt steered program which would read ...
    Dr BEEP Dr BEEP September 2001 Emulators
  • Whos Your Favourite Game Programmer ? Mine's Keith Burkhill, Mike Lamb. Its the people behind Commando, Arkanoid. There are others cant remember their names, I'll continue later [img]/_…

    ... /> That Technician Ted bloke (the interrupt king)
    Keith Burkhill (but ...
    David David February 2002 Games
  • Confounded modern thingsIt appears the server instability has left a gap in the forums listing so I'll post this again. Given a complete lack of anything on the projects pa…

    ... it's going to be vector data. It's really only ...
    cyborg cyborg December 2001 Games
  • Movie ConversionsWho loves the classics "Batman the Movie", "Ghostbusters I and II", "Ninja Turtles", and "RoboCop 1 and 2"? Ahhhhhhhhhhhhh so many memories!!! I'd…

    ... superiority of the Spectrum in vector graphics. And fun games too ...
    Alessandro Grussu Alessandro Grussu December 2001 Games
  • speccy soundI know this sounds a bit vauge but can anyone explain to me why the music on some 48K games was so amazing and so much better than the usual beeper s…

    ... and have the 50 hertz interrupt 'punch' a drum sound effect ...
    Joffa Smifff Joffa Smifff November 2001 Sinclair Miscellaneous
  • ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…

    ... BASIC is actually the maskable interrupt service routine. The keyboard scanning ...
    john john December 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…

    ... that is read for the interrupt
    zz is the high ...
    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…

    ... please time this with your interrupt routine and compare with the ...
    rtunes rtunes October 2001 Sinclair Miscellaneous
  • Problem using with keys at same time Hi ! I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time. Example: Up, Left and …

    ... you press a button, an interrupt is set off and then ... bit that says whether the interrupt was triggered by a press ... depressed at the time the interrupt is already reading a scancode ... and couldn't handle the interrupt as quickly and thus had ...
    neffuM neffuM September 2001 Sinclair Miscellaneous
  • Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …

    ... it possible to build a interrupt routine that scrolls the ... the Specy to continuously generate interrupt (unlike keyboard handling routines ... that generate an interrupt only when a key ...
    Also, how many interrupt routines can one have in ...
    Arjun Arjun August 2001 Sinclair Miscellaneous
  • loading programs using taper on a spectrumHello, I have the taper program and a bunch of games in a tzx and tap file format. I'm trying to load them to my spectrum/or make copies on new caset…

    ... after pressing esc key to interrupt), but I could switch to ...
    Mikie Mikie February 2002 Sinclair Miscellaneous
  • what are the advantages and disadvantages of using.........what are the advantages and disadvantages of using an emulator rather then using a zx spectrum? octave

    ... some trouble with a snowwy interrupt routine. In the emulator my ...
    Dr BEEP Dr BEEP March 2002 Emulators
  • ULTIMATE SUCK!!I wonder what reaction there will be to this? I just wonder if there are any other ppl out there who agree with me. I never got as much enjoyment ou…

    ... - I reckon they suffered from interrupt overkill. The gameplay felt a ...
    +CotL-DS +CotL-DS May 2002 Games
  • ULTIMATE SUCK!!I wonder what reaction there will be to this? I just wonder if there are any other ppl out there who agree with me. I never got as much enjoyment ou…

    What do you mean by interrupt overkill? I'm only half sure I know what you mean.
    Spector Spector May 2002 Games
  • ULTIMATE SUCK!!I wonder what reaction there will be to this? I just wonder if there are any other ppl out there who agree with me. I never got as much enjoyment ou…

    ... Knight Lore to the constant interrupt driven frame-rate of Batman ...
    +CotL-DS +CotL-DS May 2002 Games
  • Games that benefit from a change in speed.Has anybody tried playing games on an emulator at different speeds? I've found that certain games are more playable with a slight speed tweak. Obvio…

    ... the keyboard seems to be interrupt based - it autorepeats at the ...
    Dunny Dunny July 2002 Games
  • SPIN v0.2c available now[Cut n Paste from the CSS post] Okay, I'm off to sunny(?) Scarborough for a week, so Woody and I thought it best that we give you something to d…

    ... ' speed on the 50hz frame interrupt, and as such will run ...
    Dunny Dunny July 2002 Emulators
  • The funniest thing we made with the spectrumHello. The funniest thing i made with the spectrum were championships with my buddy francisco on a game called 3d stunt car racer, i think that was t…

    ... code, then set up a interrupt table, move the relocatable error ... deleted itselt (NEW). This new interrupt routine was still calling the ...
    NicAdi NicAdi August 2002 Games
  • Looking for a Spectrum emulator which supports multi-button joysticksHello, I'm very new to the Spectrum Emulation game, and have tried a few, my favorite being X128. However, I play my games on a 4 button joypad, and…

    ... /> Have you tried playing disabling interrupt mode (and using polling instead ...
    Alessandro Tommasi Alessandro Tommasi August 2002 Emulators
  • Looking for a Spectrum emulator which supports multi-button joysticksHello, I'm very new to the Spectrum Emulation game, and have tried a few, my favorite being X128. However, I play my games on a 4 button joypad, and…

    ... /> Have you tried playing disabling interrupt mode (and using polling instead ...
    Jazzbeaux Jazzbeaux August 2002 Emulators
  • My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …

    ... full advantage of their hardware - interrupt lengths, reading non-existant ports ...
    Anonymous Anonymous October 2002 Sinclair Miscellaneous
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…

    ... usually synchronized with the Spectrum interrupt (it would be imposible for ...
    Anonymous Anonymous October 2002 Emulators
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