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Search Again :: Adv Search 1000 results in 0.019s
<1234567…34>
  • JON NORTHHi Jon, i just followed the last thread with some interest. I used to send you hacks years ago and got a few published in YS!! I can only say dont g…

    ... know if it loads the code twice (forwards and reverse). I ... loads perhaps the Loading screen+sync, code+sync then code in reverse to compare ...
    Andrew Barker Andrew Barker October 2005 Development
  • JON NORTHHi Jon, i just followed the last thread with some interest. I used to send you hacks years ago and got a few published in YS!! I can only say dont g…

    ... know if it loads the code twice (forwards and reverse). I ... loads perhaps the Loading screen+sync, code+sync then code in reverse to compare ... big, plus I had to code the Pokerama tapes, study for ...
    JonNorth JonNorth October 2005 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    Interrupt sync code for a 48K Spectrum when ... within a frame.

    [code]
    org #8000
    ds ...

    end start
    [/code]
    Bob Stains Bob Stains May 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... with the interrupt sync code and this tells you ... ld a,0 ; for int sync
    ei
    ... ret

    ; code entry point
    start di ...
    Bob Stains Bob Stains May 2009 Development
  • Rom Loader questionI want to generate a wav file from a tap file that will load in a Spectrum, so I've had a look at the [URL=http://www.worldofspectrum.org/ldbytes.htm…

    Thanks! So, the sync pulse looks like this:
    [CODE]

    _
    | |
    | |
    | |__
    sync
    [/CODE]
    JamesW JamesW July 2009 Development
  • Battle of the retro songs!I present you: The new release: Aqua - "Back To The '80s" [youtube]kw5s3CB_1pE[/youtube] The previous king of the retro songs: Bowling For Soup - …

    ... : during the 192 display lines, sync code would be used to achieve ...
    Madonna Mk 2 Madonna Mk 2 August 2009 Chit chat
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    [QUOTE=RND;425549]I appreciate its alpha release but it runs way too fast atm.[/QUOTE]

    Thanks. The sync code is still quick and dirty. Must check the actual monitor framerate and enable vsync if it's not on by default, amongst other things.
    Madonna Mk 2 Madonna Mk 2 February 2010 Emulators
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... blending I'm rewriting the sync code and optimizing some core parts ...
    Madonna Mk 2 Madonna Mk 2 April 2010 Emulators
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... pulse was not the first sync[/CODE]

    The simple one ... strategy looks like this:
    [CODE].detect_sync_loop:
    call .read_edge
    jr nc,.detect_sync_loop[/CODE]

    [URL="http://sdrv ...
    stephenw32768 stephenw32768 August 2013 Development
  • ZXMAK2 Version 2.7.3.3Hi all, new version of ZXMAK2 emulator is available here: [url]https://zxmak2.codeplex.com/releases/view/106228[/url] Whats new: - a lot of bugs wa…

    ... /> May be the new code of vblank sync needs for some tuning ... you can adapt your Vblank sync code for dual core processors.
    Pegaz Pegaz April 2014 Emulators
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... optimizations;
    - added Time Sync (time based frame synchronization);
    - improved VBlank Sync
    - reworked View settings ... /> - reduce CPU usage for VBlank sync;
    - code refactoring (CPU, Engine, Circuits ...
    ZXMAK ZXMAK January 2015 Emulators
  • BIFROST* example: "Knights & Demons DX" source codeA package containing the source files of our multicolor game "Knights & Demons DX" is now available for download [URL="http://www.mediafire.com/?hbch…

    ... timer (multiplied by 100)[/CODE]

    ... /> BIFROSTstart() ' enable BIFROST*[/CODE]

    This ... pike
    sync() ' wait for next frame[/CODE]

    Einar Saukas Einar Saukas August 2013 Development
  • How do emulators make code appears as running at 3.5Mhz?Decent Z80 emulators on github return t-states after executing an instruction, giving you the ability to emulate Speccy relatively well. But there ar…

    ... ) If I were to write code to emulate screen I would ... change is not 100% in sync with the screen. So how ...
    tstih tstih October 2019 Development
  • LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…

    ... to collect these pieces of code somewhere ??

    I made ... emulator and to decide which code had to be emulated I ... /> MAIN...LD A,(DE) ; fetch code to be emulated (7)
    Decision made from fetch code to start emulating : 36 T ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …

    ... me decipher this z80 assembler code?

    ORG 60000
    code, but I am having trouble ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
  • machine code basicsWondered if anyone can help me out. I have been playing round with some disassemblers (Zeus). And Machine code loaders. All I want to do is print my…

    ... some disassemblers (Zeus). And Machine code loaders.

    All I ...
    Duxbuz Duxbuz August 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, …

    ... been using Zeus Assembler to code MC programs so far. Nothing ... , is a compiler better to code? If so which is the ... is the best one to code for a beginner? Can I ...
    Arjun Arjun August 2001 Sinclair Miscellaneous
  • Machine code loaderI was wondering how people wrote games. On the trail to this knowledge I discovered a machine code loader in basic, and also z80 assemblers. Which i…

    ... knowledge I discovered a machine code loader in basic, and also ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
  • Loading with CODEHi all! I last played speccy games back in '91. that's when it died IMHO. It's good to see people are keeping the dream alive with emulators and util…

    ... be loaded with :
    LOAD "" CODE
    where was a number ...
    ember ember March 2002 Games
  • Saving machine code on EmulatorI have been dabbling with Chapter 26 of Stephen Vicker's "ZX Spectrum Manual". [url="http://www.madhippy.com/8-bit/sinclair/zxspecman/zxmanchap26.htm…

    ... explains how to input machine code and then finally tells you ... program that then loads the code to run. However, I cannot ...
    ember ember March 2002 Emulators
  • Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…

    ... to do something in machine code. I've seen a lot ... the loaders and seein the code was all blocked out or ... info, especially about the Machine code
    Alex
    alexsut alexsut July 2002 Sinclair Miscellaneous
  • BASIC code challengeWrite a program in BASIC as short as possible that will continue after KEY-RELEASED. The program must be fully relocatable (so it must be programmed …

    ... 0 is replaced by your code to wait for keyreleased.
    Dr BEEP Dr BEEP August 2002 Sinclair Miscellaneous
  • [NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…

    ... /> o Import raw Z80 machine code (produced via TASM's -b ...
    ---------

    o Some code was accidently removed from 2 ... sound
    going out of sync on some soundcard / motherboard combinations ...
    Jon Needle Jon Needle January 2003 Emulators
  • Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…

    ... dark art of speccy machine code is obscure and mysterious, thats ...
    Sharopolis Sharopolis June 2003 Sinclair Miscellaneous
  • How do I enter the code ?OK, I have a problem with Pro Tennis Tour from Ubisoft. The original version of this program has a protection system where the program asks you to na…

    ... ENTER to skip the current code until the game asks you ...
    GOC GOC June 2003 Games
  • Z80 Machine CodeHello again chaps, Hope I'm in the right category for this question - I suppose it could be under 'Game Creation / Programming'. hehe Ive got far t…

    ... childhood ambition, and learn machine code.

    I got familiar ...
    the_misguided_fool the_misguided_fool August 2003 Games
  • YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …

    ... original YM2149 tone.

    Sync-Buzzer

    I think ... first by the musician TAO. Sync-Buzzer uses an external CPU ... Tracker and actually learned to code asm!
    b00mzi11a b00mzi11a August 2003 Sinclair Miscellaneous
  • Frog Hopper/Code Name Mat Dixon's Pack ??I have found this tape in my collection that I can't find a reference to anywhere. It's a compilation of Frog Hopper and Code Name Mat (one game on e…

    ... compilation of Frog Hopper and Code Name Mat (one game on ...
    caffeinekid caffeinekid September 2003 MIA/STP/SDP
  • code cards etcJust been looking at the code cards etc for jetset willy and the like and i had a thought :o Back in the speccy days when they released games with s…

    Just been looking at the code cards etc for jetset willy ... carefully hand copying a coloured code card for a game we ... easy downloading of games and code cards lol, scan a card ... to view while entering the code, or printed off in colour ...
    mel the bell mel the bell November 2003 Games
<1234567…34>

Latest Posts

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