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Search Again :: Adv Search 1000 results in 0.037s
<1…16171819202122…34>
  • Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…

    ... /"]a list of Z80 opcodes[/url], as a reference, you can make ... familiarize yourself with how the Z80 fetches and executes instructions, especially ... you don’t get confused by, say, [b]LD BC,$1234 ...
    Ast_A_Moore Ast_A_Moore November 2017 Hardware
  • Is there an utility which can sort apart 128 and 48 Snapshots?Someone knows about Utilities (GUI or commandline, Windows) or another way to sort apart 128k and 48k Snaps?

    SNA files can be sorted by size (49179 bytes=48k, ... or Pentagon).

    Z80 files can be sorted looking ... zero, it is a v1 z80, so probably is a ... is a v2 or 3 z80; you must look into ... http://www.worldofspectrum.org/faq/reference/z80format.htm]this link[/ ...
    Zup Zup November 2017 Emulators
  • Is there an utility which can sort apart 128 and 48 Snapshots?Someone knows about Utilities (GUI or commandline, Windows) or another way to sort apart 128k and 48k Snaps?

    ... "]SNA files can be sorted by size (49179 bytes=48k, ... 128k or Pentagon).

    Z80 files can be sorted looking ... http://www.worldofspectrum.org/faq/reference/z80format.htm]this link[/url ... Batchfile which sorts the files by reading the Bytes colonel32 and ...
    Luzie Luzie November 2017 Emulators
  • Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…

    ... (or another "second sourced" Z80 CPU. So, just because ... it is not made by Zilog, no, it' ... paper area shifting left by one pixel or so, ... production cost cutting exercise by using several manufacturers, and ... out of Lord Yes Sir Alan "You're Fired!" Sugar ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • 48k packed up after cap changeHi all, I'm relatively new to the Sinclair world, my 8-bit repairs in past was lurking in the dark sides of Acorn, Amstrad and Commodore! I've got…

    ... the video signal). The Z80 CPU is not processing ... ."

    The Z80 is a new genuine Zilog ... I desoldered the original Z80 and tested it in ... (previous to my ownership) by a PCB module.
    ... -5.15(4s) - for reference the working 6a gives 4 ...
    dozey_dustman dozey_dustman December 2017 Hardware
  • [Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…

    ... where you can paste in Z80 asm code and it tells ... you the T-states taken by each instruction and overall?[/quote ... an offline version of this reference table http://clrhome.org/table ...
    Ast_A_Moore Ast_A_Moore November 2018 Development
  • How to download games to micro sd card to play on Sinclair zx spectrum vegaHello Could anyone tell me how to download games from a website to a micro sd card to play on a Sinclair zx spectrum vega , I mean do I use a emulat…

    ...
    I did write a guide but I can't find ... - this is then read by the unit to list titles ... created rendering the list unreadable by the unit.
    To ... :Atic Atac
    F:AticAtac.z80
    M:48
    ... - so they are separated by a space. So, entering ...
    rich_chandler rich_chandler September 2019 Chit chat
  • Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…

    ... written to, contended memory by the Z80, but with Bit 0 set ... /> Thanks, I know, but my guide is aimed at Spectrum programmers ... each and every instruction, the guide would become unreadably. I might ...
    Ast_A_Moore Ast_A_Moore November 2019 Development
  • type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…

    ... the interrupt is detected by the Z80, it will either ... that will be accessible by the Z80 whenever the interrupt ... https://worldofspectrum.org/faq/reference/128kreference.htm"]this page[/ ... ://worldofspectrum.net/features/faq/reference/128kreference.htm"]also here ...
    1024MAK 1024MAK August 2020 Development
  • Mighty Maths ProgramsIn a break from typing in listings from 37-year-old magazines, I had a sudden urge to write a maths-related program, as I do, occasionally. Some, suc…

    ... point, multiply the block by 16 or 12, the ... issue of ZX Computing. By starting out with a routine ... that the characters are produced by CTRL+SHIFT+A, CTRL ... measures up against its older Z80-based siblings.

    guide on how to get ...
    The Mighty Dopethrone The Mighty Dopethrone October 2020 Sinclair Basic
  • CSSCGC 2020The return of the famous, the one and only... https://www.connosoft.com/csscgc2020/ More details and an official announcement to follow soon...

    ... 032.html]Route 66[/url] by p13z, a BASIC parallax ... game isn't Wudang, not by a long stretch.
    ... with nautical flags as a guide. Of course, there is ... travel and Lord Yes Sir Alan "You're Fired!" Sugar. ... 034.html]Among Bad[/url] by Azimov (who may or ...
    The Mighty Dopethrone The Mighty Dopethrone December 2020 Announcements
  • CSSCGC 2021: 25th edition extravaganza![img]https://csscgc2021.files.wordpress.com/2020/12/yellow_programmer_960x600.png[/img] [url=https://www.rickdangerous.co.uk/csscgc2021/][b][size=…

    ... to read the QL User Guide this weekend could make a ... game like that [i]by next weekend[/i], it's ... player, because Lord Yes Sir Alan "You're Fired!" Sugar was ...
    The Mighty Dopethrone The Mighty Dopethrone February 2021 Games
  • Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…

    ... start of trying to learn Z80 assembly for the ZX Spectrum ... [/img]

    For further reference, i suggest you either download ... (HTML), which is in chapter by chapter form, is here: [url ... program faster this way, than by typing each keyword
    letter ...
    c354r_0x7cb c354r_0x7cb July 2021 Development
  • Who's NEXT?How about having a category just for Spectrum NEXT owners? I got mine on Monday, its the original issue, plain jane and quite enough for me to ge…

    ... to do with files by their extensions. You can ... explaining the program line by line and having the ... at the same time for reference would help. It may ... the machine runs faster by that amount. All the ... careful timing relationship between z80 and video so that ...
    Alcoholics Anonymous Alcoholics Anonymous September 2021 Sinclair Miscellaneous
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... power over distribution and could guide and drive which applications it ... speeds without any wait states by buffering the write in hardware ... a'la QL, or a z80 USART, or even a 6250 ... DR for CP/M but by this stage, the while DOS ...
    cj7hawk cj7hawk October 2021 Hardware
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... the advantage of a 16bit z80 system, but with active on ... also would have been supported by the z280.

    Most ... being discussed. Subsequent interviews with Alan Sugar pretty much nail it ...
    cj7hawk cj7hawk October 2021 Hardware
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... in a single instruction which Z80 can't do.

    That bit was "influenced" by the ROM code anyway (theirs ... .

    ROM code for reference is here:

    https ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ... .com/z80/

    I use this as my instruction set reference ...

    http://z80-heaven.wikidot.com ... some of the tricks used by people who worked out what ...
    Paradigm Shifter Paradigm Shifter October 2022 Emulators
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ... .com/z80/

    I use this as my instruction set reference ...

    http://z80-heaven.wikidot.com ... some of the tricks used by people who worked out what ...
    dmsmith dmsmith October 2022 Emulators
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ...
    My tests tested this by testing all instructions (except ED ... can be IMO considered correct reference in this regard.
    ... when the signals supplied by the board don't ...
    https://github.com/kosarev/z80/issues/42#issuecomment-1270611817[/quote ...
    Patrik Rak Patrik Rak October 2022 Emulators
  • Z80/SNA Compiler under Windows???Does anybody know anything about Z80/SNA compiler under Windows???

    Does anybody know anything about Z80/SNA compiler under Windows???
    Ozzy Ozzy January 2002 Emulators
  • PocketClive bugHi... thought I would give all of you that downloaded PocketClive, the PocketPC spectrum emuator a small bug report! There is a bug that prevents …

    ... prevents you from seeing any .z80 files stored in the \Program ... file and all your .z80 should appear as by magic! There will ...
    Anders Anders October 2001 Emulators
  • Warajevo compilerThere is a problem by Warajevo Z80-compiler. I want to compile files with the possibility of record and load. I use an option / TAPE (/ TAPE!). Ever…

    There is a problem by Warajevo Z80-compiler.
    I want to ...
    Ozzy Ozzy September 2001 Emulators
  • Unreleased GamesI am working on what I hope will be a complete guide to the games that were either advertised/previewed/written etc but never released for the Spectr…

    ... hope will be a complete guide to the games that were ... .

    This was inspired by the feature "The Games That ... , to hopefully produce a definitive guide of unrelased games.

    I thnk also that the guide helps to clear up some ...
    Chris Chris February 2002 Games
  • Interface for PC ZXSee last entry of former TOPIC. I'm working on the interface. Info about it on MISCELLANEOUS Author: Arjun (---.bng.vsnl.net.in) Date: 08-13-01 …

    ... I keep you all informed by this way?????


    z80 machine code for 20 years ...
    Dr BEEP Dr BEEP November 2001 Games
  • Whodunnit by MastertronicI've found another one not on the main list... am I expecting too much or is it actually worthwhile mentioning games not on the list? Am I mentionin…

    ... Infoseek thingy seemed to find reference to it but as I ... of the WOS list for reference and I didn't find ...
    Gareth Gareth August 2001 Games
  • WANTED: EL GOLPEI look for a game named "EL GOLPE", by Scanner software, 1985. The only reference of this game is an advert published in MICROHOBBY issue number 32.

    I look for a game named "EL GOLPE", by Scanner software, 1985. The only reference of this game is an advert published in MICROHOBBY issue number 32.
    Juan F. Ramirez Juan F. Ramirez April 2001 MIA/STP/SDP
  • Z80 to DSK?Does anyone know if there is a prog that can convert z80,tzx or tap files to dsk format? I have access to a friends pc that has a 3 inch drive which …

    ... a prog that can convert z80,tzx or tap files to ... looked at a program called z80 snapshot loader at
    [url ...
    Bluemanjay Bluemanjay February 2002 Sinclair Miscellaneous
  • Z80/SNA compiler under Windows???Does anybody know anything about Z80/SNA compiler under Windows???

    Does anybody know anything about Z80/SNA compiler under Windows???
    Ozzy Ozzy January 2002 Sinclair Miscellaneous
  • S.O.P. Save Old ProgramsHi ! Does anybody have any idea how can I save my old collection for the future ? I've lots of tapes full of programs. I use Z80 emulator (ver 3.50)…

    ... programs. I use Z80 emulator (ver 3.50) by Gerton A. Lunter ...
    Pgyuri Pgyuri May 2001 Sinclair Miscellaneous
<1…16171819202122…34>

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