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<1…16171819202122…34>
  • RemakesIm interested in getting into making remakes as a hobby although I have very little knowledge of programming at all. My question is which languages …

    ... C then stick with it. Memory allocation shouldn't really be ... , if you take care to write a clean program (like matching ...
    Arjun Arjun August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    ... RAM, or read or write in that memory, the processor is halted ... needs to access the video memory..."

    How is the ...
    cispasoiu cispasoiu August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    ... : the data from the video memory
    (16384-23296) is ... right border) ULA try read memory page (16384-32767}. if CPU ... same page (that means write to memory, read memory or just execute instruction ... (call,push,pop,ret acces memory on SP pointer}, speed critical ...
    Fikee Fikee August 2004 Development
  • An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…

    ... [...] Does anyone know how to write an emulator" aren't exactly ... for Rom, basic vars, screen memory etc) to play with, and ...
    CKay CKay August 2004 Development
  • An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…

    ... write a compiler :( Plus also, you`ve got direct access to memory ...
    CKay CKay August 2004 Development
  • Spectrums games vs. modern games; very interesting... I've read a number of replies (on Matt's tears thread) regarding spectrum and modern console games. I found it very interesting. I think the games …

    ... experiences through games makes your memory brain cells continue to function ... Graduated in Arts, will not write in a Nuclear Physics forum ...
    alban lusitanae alban lusitanae August 2004 Games
  • What does SPIN have?I have been asking this question since somebody answered another I had made that RealSpectrum was a brilliant emulator. It is in fact. But... I see e…

    ... to have a 'Breakpoint on Memory Access' too....

    Apart ... that with the Windows re-write, the debugger will finally become ...
    GOC GOC September 2004 Emulators
  • "Frankie goes to Hollywood" HAS BEEN COMPLETED !!!!Yup ! What we thought impossible has now been proven possible ! There is no bug in the game, either - there are just some parts where you have to be …

    ... , write a small program to display the contents of the video memory ...
    GOC GOC September 2004 Games
  • 3d Code... simple Anyone know where I can get some examples of 3d routines written in basic... I`ve done some googling, and come up with some source for PowerBasic or…

    ... machine. It encourages you to write short, optimised and efficient code ... super fast machine with unlimited memory, you don't have to ...
    monty.mole monty.mole September 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... />
    Time to go and write a game, a tutorial and ... MOVING 256 BYTES FORWARD IN MEMORY TO FB0AH
    LD H ...
    robpearmain robpearmain September 2004 Development
  • Techy Z80 questions****** Question 1 ****** Take the instruction SET b, (HL). This is broken down (in machine cycles) as follows (according to Microprocessor Technolo…

    ... parallel.
    M4: MW(3) - write n to the final address ... . So IO(5) also allows memory reads in parallel - good to ...
    GOC GOC September 2004 Development
  • 8 BIT WARSwhen 8bits ruled the home market Speccys, C64 and Amstrad were the big 3 fighting it out for supremecy.... but they didnt survive which as we know wa…

    ... having a larger screen in memory and by using offsets for ... around so y'have to write new data into the part ...
    TMR TMR September 2004 Games
  • games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…

    ... couldn't be arsed to write their own sprite routines -- which ... particular, to ditch it from memory one was supposed to type ...
    robert@fm robert@fm September 2004 Games
  • games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…

    ... couldn't be arsed to write their own sprite routines -- which ... Lighting? Brings back an annoying memory of when I bought SCOPE ...
    Sadako Sadako September 2004 Games
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... ' consists of the register contents, memory contents and other odds and ... who's already started to write a reply to the original ...
    gasman gasman October 2004 Development
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    ... , if you write to the display in display memory order you're ...
    AndyC AndyC October 2004 Development
  • building a computerFor some reason having come of age (25 last feburary) I've begun to get the itch to build my on computer, i.e. from scratch, not plug together pc par…

    ... bus sequences to read from memory or write to an i/o ...
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Sinclair Miscellaneous
  • 8 BIT WARSwhen 8bits ruled the home market Speccys, C64 and Amstrad were the big 3 fighting it out for supremecy.... but they didnt survive which as we know wa…

    ... selling in enough quantity. From memory, Amstrad discontinued the CPC before ... with arbitary colouring has to write a lot more data than ...
    TMR TMR October 2004 Games
  • games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…

    ... couldn't be arsed to write their own sprite routines -- which ... Lighting? Brings back an annoying memory of when I bought SCOPE ...
    robert@fm robert@fm October 2004 Games
  • Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…

    ... CPU wants to read or write NOW and will only wait ... Retro games share same flash memory for program rom, sprite rom ...
    Sparky Sparky October 2004 Sinclair Miscellaneous
  • Idea about improving EmulatorHi, I got a bright idea today how to improve such excellent emulators a bit more. Okay, disassemblers are available in nearly every one new released …

    ... /MREQ + n/READ or n/WRITE hardware line matches.

    memory execution freeze address, paging port ...
    secarica secarica October 2004 Emulators
  • Most popular new features? I know some people like a spectrum to be emulated as authentically as possible, while others like myself like features which improve the gfx, sound,…

    ... to loop through the screen memory, looking for what is obviously ... of you lot are gonna write this system?

    D ...
    Dunny Dunny October 2004 Emulators
  • If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…

    ... a question of your in-memory representation of the program and ... you're deliberately trying to write obfuscated code).
    Philip Kendall Philip Kendall October 2004 Sinclair Miscellaneous
  • If you could re-design the Spectrum...Let's suppose you could go back in time to the beginning of the Eighties. The Spectrum is being designed as the revolutionary successor to the alread…

    ... a question of your in-memory representation of the program and ... you're deliberately trying to write obfuscated code).

    [/quote ...
    darkman darkman October 2004 Sinclair Miscellaneous
  • is it easy to learn z80 machine codewell is it?

    ... />
    It's important to write a small amount of code ... in overwriting random chunks of memory, or crashing.

    I ...
    andrewbroad andrewbroad October 2004 Development
  • How will be the (real) new Speccy "thing"?I read about hundreds of cool and wacky ideas to get Speccy bring to new life. I know (and I adore) this new era of the speccy - new magazines, new g…

    ... Spectrum with gigabytes of flash memory, and that's a fact ... A) adopt it, and B) write stuff for it.
    gasman gasman November 2004 Sinclair Miscellaneous
  • Opus Discovery Floppy Disk DriveHiya all I've just bought an opus discovery. I have been informed that even though it has a picture of a 48 rubber on the cover, it is in fact the u…

    ... a binary image of the memory and write your own loader.
    Sharopolis Sharopolis December 2004 Sinclair Miscellaneous
  • Laser Basic Sprite GeneratorDoes anyone know how to use Laser Basic Sprite Generator? I've downloaded it from this site but I don't know what to do with it! Thanks in advance.

    ... LB.

    I did write a platform game once, and ... you had next to no memory to do anything really good ...
    The Starglider The Starglider December 2004 Sinclair Miscellaneous
  • RemakesIm interested in getting into making remakes as a hobby although I have very little knowledge of programming at all. My question is which languages …

    ... coding point of view, rather memory allocation etc...[/quote]

    write both so I don't ... . If you're worried about memory allocation hassles then you might ...
    cyborg cyborg January 2005 Development
<1…16171819202122…34>

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