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<1…45678910…34>
  • How to write a simple game in C+asm.This is just a link to an old post in Development, about a post of making a simple game in C for the Spectrum. It was suggested that this thread shou…

    ... /forums/discussion/57925/how-to-write-a-simple-c-asm-horizontal ... /forums/discussion/57924/how-to-write-a-simple-basic-horizontal-scrolling ...
    Timmy Timmy April 2021 C
  • New ZX81 Game: ZedipedeNot strictly Spectrum-related but I thought this might be of interest to some on here. I've just written my first ever arcade game for the Zeddy, a …

    ... example in my How To Write Spectrum Games book but now ... expanded and running on the 16K ZX81.

    Link is ...
    jonathan jonathan October 2021 Brand new software
  • Micro SD card write protection.So I put a 16GB micro SD card in my android phone about 3 years ago. I put 12GB of music on it. So...it works. Then I remembered there is a micro SD …

    ... apps. Well it's saying write only, failed to delete. It ... ...I assume this is digital write protection? There is no manual ... ? How does one remove the write protect. Must I mess around ...
    Ælita Ælita February 2022 Chit chat
  • PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…

    ... +256 ; point to start of 16k RAM
    LD B,A ... 't have the time to write a decent programme in this ... a compressor to create the 16k chunks to be loaded as ... you'll need in the 16k pages for graphic data.
    cyborg cyborg November 2001 Sinclair Miscellaneous
  • WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…

    ... . The ULA with the lower 16K of RAM, and the processor ... the upper 32K RAM and 16K ROM are working independently of ... wants to read or write the lower 16K, the ULA halts the ...
    Dr BEEP Dr BEEP November 2001 Sales
  • TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…

    ... for ROM expansion beyond the 16K, as the TS2068 had 24K ... . I, of course, had to write some machine code modem handlers ...
    Sparky Sparky December 2002 Sinclair Miscellaneous
  • Programing ROM CART from PCHave anybody tried to make a piece of hardware that would be able to program (burn) SINCLAIR cartridge from PC? In the sense, you take TAP or TZX and…

    ... mentioned, make it impossible to write memory values (No sprite position ... the spectrum only pages in 16K, the copy program located at ...
    Alcoholics Anonymous Alcoholics Anonymous April 2003 Sinclair Miscellaneous
  • New Spectrum Games?Having read the latest issue of "Edge", I found an article about a competition whereby the competitors have to create a game for an "older" console/c…

    ... Jonathan

    Why only 16k ?

    I presume it ... those who only have a 16k machine!

    ... Will this be the first 16k commercial release in about ... wanted to write a game for the 16K Spectrum because ... can run on a 16K and I thought that ...
    jonathan jonathan November 2003 Games
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... 64K memory space into chunks (16K chosen by Investronica; 8K ... say 256 chunks of 16K for a total of 4MB ... .

    In each 16K of the 64K memory space ... read only or read/write in that 16K memory slot (instead ... to appear in the top 16K of memory.

    Alcoholics Anonymous Alcoholics Anonymous March 2004 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... original poster didn't specify 16k/48k/128k/+2/+2a/+3 ... in your head as you write, and if you can understand ...
    Sadako Sadako March 2004 Sinclair Miscellaneous
  • +D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…

    ... 's disk RAM into 8K-16K, overlying the ROM and then ... and you will need to write something equivalent for the +D ... ROM reappears in the 0-16K area.

    So, this ... disk RAM in the 0-16K area and jump into your ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Sinclair Miscellaneous
  • Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…

    ... . It started out as a 16K model for my birthday in ... and Deathchase were way better 16K games.

    Of course ... advanced so fars as to write a nifty game with loads ... carefully rewind all tapes and write on C90s the tape counter ...
    Gwyn Gwyn July 2004 Games
  • Basic corruptionDoes anyone have any tips or solutions for when a Basic listing becomes over a certain size and starts to get corrupted due to paging... I remember …

    ... to main memory when another 16K page of memory should be ... magazines and home-brewed programs write a random value at this ...
    Geoff Geoff 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 …

    ... in the lower 16K of RAM, or read or write in that ...
    cispasoiu cispasoiu August 2004 Development
  • Latinamerican Speccy Games?Hello all speccy fans! First of all, excuse my english. I'am a spanish native speaker, so I can write (speak) only a little bit of the language. But…

    ... />
    The TS2048 was a 16k version of the TS2068 with ... some differences but nothing to write home about.

    What ...
    Sadako Sadako August 2004 Games
  • 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…

    I remeber me buying Spectrum 16k in 1982. There were very ... how easy it was to write own basic programs. C64 was ...
    jocu jocu September 2004 Games
  • 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…

    ... /> Just cos the game is 16k didn't mean that the ... the fact you can't write [B]huge[/B] unrolled loops ...
    AndyC AndyC September 2004 Development
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... 'd replaced _all_ the lower 16K RAM chips in my dead ... to screen RAM, hence testing write and read abilities. It also ...
    Spirantho Spirantho June 2005 Sinclair Miscellaneous
  • "Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]

    ... the 128D was increased to 16K to 64K.

    The ... work on a 128. Why write two programs?
    beanz beanz July 2005 Games
  • "Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]

    ... 're right - I didn't write my post particularly well. When ... to have done that in 16K back in 1983, with that ...
    Spector Spector July 2005 Games
  • Anyone bored?I'm looking for a volunteer for today only to help me out with the new magazines section of my site. I've made it all database driven, and need the …

    ... no problem for me to write a utility to extract all ... single YS review I can write a parse utility to pass ... upload speed shortly as the 16k upload bandwidth is well just ...
    Vampyre Vampyre July 2005 Chit chat
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... 'd replaced _all_ the lower 16K RAM chips in my dead ... to screen RAM, hence testing write and read abilities. It also ...
    Timppa Timppa September 2005 Sinclair Miscellaneous
  • Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …

    ... day I got my first 16K Spectrum in 1983- that's ... just looking for a small 16K game for this where I ... was never no need to write to/for you. You seemed ...
    Woody Woody November 2005 Sinclair Miscellaneous
  • 128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…

    ... /> so you have 8 of 16K banks (8*16=128)
    write something to 49152 ;writting to ... is now visible
    ....
    write something to 16384 ;to normal ...
    Fikee Fikee February 2006 Development
  • What software do I need so I can transfer tape games to disk?What utility would I need so I can save tape based games onto specci disks? Can I download something of the web or is there something available to bu…

    ... it can't read or write +3 EDSK images.

    16K too, so most of the ... /XP/2003, and should read/write pretty much any +3/CPC ...
    obo obo March 2006 Sinclair Basic
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... Block 0 bank select (0-16k)

    Ports ... write protected, merely
    any writes to the 0-16k ... br /> For compatibility reasons, a write to port #7ffd will copy ... bits 0-3 of the write
    to bits ... bit 7 of the write will disable all further page ...
    MikeW MikeW April 2006 Hardware
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... still had problems with lower 16k of the speccy. In the ... images easily in windows and write them to the card, just ... "glue" them all together and write them to the formatted CF ...
    Tom-Cat Tom-Cat April 2006 Hardware
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... not write protected, merely
    any writes to the 0-16k address ...
    For compatibility reasons, a write to port #7ffd will copy ... was written to, simply write the page number into two ... current 64k configuration to be write-protectable. This might have ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Hardware
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