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  • new emulatorHi All. If you wish you can download/test/link to/betatest etc. my new emulator EmuZWin 2.0. It emulates S48 and S128 and works under all Windows 9x…

    ... MC. Such as fast LDIR/... HALT/... Refresh Rate always 100%. Speed ...
    Vladimir Kladov Vladimir Kladov November 2003 Emulators
  • an idea that could be very very good...but also very very bad...Hello all! I've been having a chat with some of my friends round here that once loved the spectrum (well...2...as they're all heathens round here...)…

    ... written gets 128k/+2 port contention right - and they're not ...
    BN^2 BN^2 January 2004 Emulators
  • an idea that could be very very good...but also very very bad...Hello all! I've been having a chat with some of my friends round here that once loved the spectrum (well...2...as they're all heathens round here...)…

    ... different z80 than the memory contention or ULA. There aren't ...
    b00mzi11a b00mzi11a January 2004 Emulators
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... , it's quite possible to halt the display if you run ...
    Jon Needle Jon Needle January 2004 Emulators
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... test):

    Your Memory contention is way off, if it ... accurate emulation, and proper memory contention is a real CPU hog ...
    Dunny Dunny January 2004 Emulators
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... :)

    [quote]Your Memory contention is way off, if it ...
    Vladimir Kladov Vladimir Kladov January 2004 Emulators
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... :
    Just turn it [Memory Contention] on, Dunny! More, you can ...
    Dunny Dunny January 2004 Emulators
  • TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …

    ... detect it, but you can HALT to wait until VBL occurs.
    LCD LCD January 2004 Development
  • C64 & Spectrum loadingscreens!I was bored today, so I decided to compare some stuff. :) [url="http://www.lemon64.com/loadingscreens/"]http://www.lemon64.com/loadingscreens/[/ur…

    ... who's experimented with memory contention can comment.

    The ...
    Alcoholics Anonymous Alcoholics Anonymous February 2004 Games
  • Spectrum 128 Graphics - A missed opportunity?The Spectrum 128 is my favourite model of the Spectrum - the pinnacle of the Sinclair miracle before it was hijacked by Amstrad. But I can't help thi…

    ... as much data (causing more contention) and probably have more pins ...
    cyborg cyborg February 2004 Sinclair Miscellaneous
  • whats your second favourite retro computerOk i'm going to assume that for most of us here the speccy is our favourite number 1 retro computer,its the best home computer in the world etc etc :…

    ... this routine, not counting memory contention during the pushes.

    Alcoholics Anonymous Alcoholics Anonymous March 2004 Games
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... time?

    The memory contention (fast/slow RAM) of original ...
    gasman gasman March 2004 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... .

    [quote]The memory contention (fast/slow RAM) of original ...
    cyborg cyborg March 2004 Sinclair Miscellaneous
  • Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …

    ... to have come to a halt with that. But I haven ...
    jil jil April 2004 Games
  • Impressed With SpectaculatorSpectaculator is an excellent emulator! Definitely worth buying. In the past I have used RealSpectrum to access my real Plus D disks. After the next…

    ... ignore interrupts, does not use HALT and works with disabled int ...
    Vladimir Kladov Vladimir Kladov April 2004 Emulators
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... .org/cssfaq/reference/48kreference.htm#Contention"]contended memory information[/url], thanks ...
    Philip Kendall Philip Kendall April 2004 Emulators
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... being a hellishly accurate 48k Contention model. Marko for his part ...
    Dunny Dunny April 2004 Emulators
  • simple z80 rom for test my emulatorHi there! Does anyone here have a very simple rom(in Z80 format) for testing my emulator. I need a very simple one that implements few opcodes and po…

    ...
    000B DI
    000C HALT
    000D

    or ...
    Philip Kendall Philip Kendall April 2004 Emulators
  • SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …

    ... and all the extra opcode contention has now been corrected allowing ...
    Woody Woody May 2004 Emulators
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    The Z80 mnemonic HALT lets the CPU wait until VSYNC (or Interupt) before allows the program continuation.
    LCD LCD May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    I am such a fool, all I needed was HALT, Aghhhhhhhhhhh

    So many thanks
    robpearmain robpearmain May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... fool, all I needed was HALT, Aghhhhhhhhhhh

    So many ... the first instruction after the halt. You'd save time if ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • I've done it - so can you!I've just paid for Spectaculator. It only took about an hour for the registration code to come through!! This is simply the best emulator that I hav…

    ... 't crash it to a halt ;).
    It works okay on ...
    Andrew Barker Andrew Barker May 2004 Emulators
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    Interesting, but what if you weren't using BASIC at all and the entire program was in assembly? Would HALT serve the purpose then?
    Arjun Arjun May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... program was in assembly? Would HALT serve the purpose then?
    halt will be executed around 19 ... this thread (prior to the halt) was reading the frames system ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... program was in assembly? Would HALT serve the purpose then?
    [/quote]

    DI
    HALT
    Is a sure way ...
    LCD LCD May 2004 Development
  • Problem with RealSpectrumWhy am I having difficulty getting certain games to laod in RealSpectrum? The game seems to be loading ok then the screen goes black and nothing hap…

    ... I have based RealSpectrum's contention timings upon my own Spectrum ...
    Luca Luca May 2004 Emulators
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... just do not take a contention into account, some games/demos ...
    Vladimir Kladov Vladimir Kladov May 2004 Emulators
  • ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…

    I read. But I suspect that difference not in CPUs. Anyway it is ULA is responding for speed and contention (or to be more exact, CPU+ULA). Could be interesting how correctly to emulate megalomania in stable position.
    Vladimir Kladov Vladimir Kladov May 2004 Emulators
  • Games and Programs written in BASinHi all, The new version of BASin is about to be released in the next few days or so, and I'm gathering up example programs to include with it. I se…

    ... does not "do" is memory contention, which is not necessary for ...
    Dunny Dunny May 2004 Games
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