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  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... pc in a usb memory card reader please help< ... I could then snapshot the memory to a .SNA file on ... code program into Spectrum memory and runs it using ... +2 and add an external tape lead, let me ... Three PC mice
    Four external hard-drives (twelve hard-drives ...
    ASM ASM November 2010 Emulators
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... re-assemble and run from memory if I need to not ... have the ability to transfer memory to a .SNA file so ... forget that the Spectrum had external hard ware such as storage ...
    ASM ASM November 2010 Emulators
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... in memory so it can be saved to an internal/external device ... just want a game in memory ready to save. Once it ... to free 512 BYTES of memory to be able to download ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... memory without disrupting BASIC so they may be saved to internal/external ... buffer. The last memory fill operation will overwrite ... the data using memory copies and fills... ... ; ------------

    .copy: ldir ; Memory copy

    .next: ld ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • ROM interface add-ons?Is there a summary description of various ROM interface add-ons, listing things like number of multiple ROMs holdable, compatibility with Interface 1…

    ... ) up to size 512kB. This memory can contain up to 32 ... emulate rom with write protected external ram pages. Exist internal flash ...
    velesoft velesoft November 2010 Hardware
  • Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…

    ... 8-bit bus on an external device. A home-made logic ... stay away from using contented memory (both for code & data ...
    RetroTechie RetroTechie December 2010 Development
  • Newbie questions about +2a - joystick interfaceI brought a +2a system back from London with me on a recent vacation and have gotten it working here in the states. I've found that if I plug my joys…

    ... you have work with an external interface but not directly. The ... the right one, working from memory :) ) are wired to work with ... /> If they work with the external interface that may be the ...
    spider spider December 2010 Hardware
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... the sprite related stuff. The memory allocation stuff went into z88dk ... 'll have to find an external packer though. But packing needs ... eats up a lot of memory. SP1 and the ISR table ...
    Timmy Timmy December 2010 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... /> - start up code,
    - memory management,

    Re: malloc ... accommodate heaps in different memory banks), with malloc ... small utility routines because of memory concerns.

    ... will be two kernels - external and internal kernel. The ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • Speccy 128 Shadow screen.How much is the shadow screen used in 128k commercial software? I ask because I am looking at putting 128k of memory in the 48k setup I have been bu…

    ... is entirely handled by an external PAL chip, and nothing to ... 48K Spectrum a 128K Spectrum memory model? If you are, then ... 16K ram with a 64K memory bank (all of it is ... 32K RAM with another 64K memory bank, plus a bit of ...
    csmith csmith January 2011 Hardware
  • Speccy 128 Shadow screen.How much is the shadow screen used in 128k commercial software? I ask because I am looking at putting 128k of memory in the 48k setup I have been bu…

    ... is entirely handled by an external PAL chip, and nothing to ... 48K Spectrum a 128K Spectrum memory model? If you are, ... 16K ram with a 64K memory bank (all of it is ... 32K RAM with another 64K memory bank, plus a bit of ... is the rest of the memory, so i'm trying to ...
    spodula spodula January 2011 Hardware
  • Was the +3 a missed opportunity?I just wanted to gauge WOS opinion on this. Do people think that the +3 was a bit of disappointment that didn't really advance the hardware as much a…

    ... from using a third party external drive but I agree, using ... /> I'm only working from memory here but I seem to ...
    rich_chandler rich_chandler January 2011 Hardware
  • Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…

    [QUOTE=Alcoholics Anonymous;511112]Save memory for who? Surely not the ... some data in the screen memory hiding it behind the ... outside (or even better, let external hardware handle more complex I ... made available models with less memory that could be expanded ...
    TVzombie TVzombie February 2011 Sinclair Basic
  • Speccy 128 Shadow screen.How much is the shadow screen used in 128k commercial software? I ask because I am looking at putting 128k of memory in the 48k setup I have been bu…

    ... , the CPU is accessing the memory, otherwise, Its the ULA. Trivial ... is entirely handled by an external PAL chip, and nothing to ... /> Also, as its controlling more memory, the ULA also provides an ...
    spodula spodula February 2011 Hardware
  • A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…

    ... at 3.0ghz with 4GB memory. Open in Windows 7 professional ... , one vertical, one horizontal, two external hard drives connected, three internal ... , a HD webcam, an SD memory card slot active with a ...
    Scottie_uk Scottie_uk February 2011 Chit chat
  • A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…

    ... at 3.0ghz with 4GB memory. Open in Windows 7 professional ... , one vertical, one horizontal, two external hard drives connected, three internal ... , a HD webcam, an SD memory card slot active with a ...
    The Starglider The Starglider February 2011 Chit chat
  • A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…

    ... at 3.0ghz with 4GB memory. Open in Windows 7 professional ... , one vertical, one horizontal, two external hard drives connected, three internal ... , a HD webcam, an SD memory card slot active with a ...
    psj3809 psj3809 February 2011 Chit chat
  • Divide+ and joystick interface problemHi! Maybe someone can help me. Any of joystick interfaces which I have doesn't works with Divide+( without joy interfaces works fine.) My joystick in…

    DIVIDE PLUS use external 1MB memory on port 23(#17) and ...
    velesoft velesoft February 2011 Hardware
  • Multiface 1 (Romantic Robot) RepairHello there my fellow ZX'ers! recently I got an Interface 1 + MicroDrive from a friend and since then I have been having awesome geeky moments in fr…

    ... ), a lot of them needed memory replacement repairs, alas one had ... or +2A or have it external.... then theres the 2GB GO ...
    Zetr0 Zetr0 March 2011 Hardware
  • heatsink on the grey+2anyone ever modded one to run without the heatsink? I know some have on the 48k's but I wouldn't mind removing it from one of mine. If so, any tips …

    ... external switching power supply.

    +5v +12v and -12v if memory ...
    Zetr0 Zetr0 March 2011 Hardware
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... calling bios via RST 10, memory management and core multitasking.
    external hook which writes to kbd ...
    tstih tstih March 2011 Development
  • Found an old project of mine today[url]http://i1210.photobucket.com/albums/cc418/reanimator1971/DSCF1382.jpg[/url] i started this about 6 years ago and found it after sorting through …

    ... />

    2. A 512K memory upgrade
    3. Internal MP3 ... the 3" drive into an External Chassis.
    6. [url=http ...
    Zetr0 Zetr0 March 2011 Hardware
  • Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…

    ... that could read and write memory and registers should do. The ... should be done by an external debugger, not the emulator.
    tstih tstih March 2011 Development
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    External 128kB ram paging versus original ZX128 memory:

    [B][U]Original ... ZX128 memory[/U][/B]

    [U ... ]ZX memory adress space:[/U]
    0 ... B]

    [U]ZX memory adress space:[/U]
    0 ...
    velesoft velesoft March 2011 Hardware
  • Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …

    ... at some port and enable external application to connect to it ... : read registers, write to memory, load from memory, set breakpoint and jump ...
    tstih tstih March 2011 Emulators
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... ]

    1) External upgrade to ZX128 compatible memory is enable, but ... internal modifications ! Enable ZX128kB compatible memory but videoram switching is impossible ...
    velesoft velesoft March 2011 Hardware
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... it totally impossible to make external modification to achieve 2 video ... ZX128/Pentagon 512/Pentagon 1024 memory paging. Impossibility use second videoram ... all 128kB pages are fast memory and ula not slow ... rom 32kB image to extra memory and connect instead ZX ...
    velesoft velesoft March 2011 Hardware
  • Spectrum +3 Help pleaseI bought a +3 from a bootsale today, and when I got it back it didnt work (shock!) However after working out the +5V line on the PSU line was about …

    ... you to have an internal / external IDE hard drive on the ... can be used in 8bit Memory mode, giving you the full ...
    Zetr0 Zetr0 April 2011 Hardware
  • Spectrum +3 Help pleaseI bought a +3 from a bootsale today, and when I got it back it didnt work (shock!) However after working out the +5V line on the PSU line was about …

    ... you to have an internal / external IDE hard drive on the ... can be used in 8bit Memory mode, giving you the full ...
    guesser guesser April 2011 Hardware
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    The following memory saving techniques are used in ... not. It must use an external table of 96 double byte ... /> Keeping the DATA statements in memory is wasteful so it is ...
    chev chev April 2011 Sinclair Basic
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