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<1…14151617181920…34>
  • Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …

    ... process id that occupies that block.

    Now at the ... an incomplete context switch and page in the necessary module. Then ... page it out again.

    ...
    tstih tstih October 2011 Development
  • Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…

    ... Normal Speed[/code]

    Block 5 contains the loader and ... trying to load the 5byte block 6 times, or a least ... expect it to match the block sizes shown above.

    61473 LD IX,16384
    61477 CALL 61572
    Andrew Barker Andrew Barker October 2011 MIA/STP/SDP
  • ZX-Preview 2.0 out nowDear forum readers, I've had published a new version of ZX-Preview today, we have version 2.0 now. :-) You find it on my homepage at [url]http://www…

    ... [*]Implementing new register tab "block info", which shows details of ... any data block.
    [*]The picture ... any byte-related data block in Z80 mnemonic. It's also ... br /> [*]Activating printing reports of "block info", "hex editor" and "debug ...
    clausjahn clausjahn October 2011 Sinclair Miscellaneous
  • Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…

    ... r1"
    with separate BAS,Z80,ASM,TAP files for each ... -Copy.zip[/url] . The LABELS0 block at the end of the ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • Anti-porn software for windows (block porn sites and stuff)?I've been passed a netbook to fix (it's overrun with malware, like most of the non-workbased PCs I fix) and I've also been asked to put anti-porn sof…

    ... lists of sites that they block, but some probably also search ...
    ewgf ewgf November 2011 Chit chat
  • how can we convert .z80 to .tap ?is there some way to convert a .z80 file (specially 48k) to .tap, in a similar result as saved from Multiface1? (i'm asking this because i imagine th…

    ... some way to convert a .z80 file (specially 48k) to .tap ... i imagine binary information and z80 registers are both stored in ...
    nitrofurano nitrofurano November 2011 Development
  • Z80 => TAP? (128K!)Hi there. I know there are many programs that change 48K Z80/SNA into TAP. However I'm looking for a program that converts 128K Z80 into TAP. Is t…

    ... many programs that change 48K Z80/SNA into TAP.
    However ... a program that converts 128K Z80 into TAP.
    Is there ...
    Mister Beep Mister Beep November 2011 Emulators
  • DecompressorsYes another topic on the subject! I'm currently using MegaLZ [URL="http://lvd.nm.ru/MegaLZ/"]http://lvd.nm.ru/MegaLZ/[/URL] to decompress blocks on-…

    ... experience, what are the quickest Z80 depackers/decompressors?

    (It ... noticed that the above MegaLZ page has a zip file of ...
    csmith csmith November 2011 Development
  • Any Z80 native assembler with source code ?As in the subject - I am looking for native Z80 assembler that comes with source code.

    As in the subject - I am looking for native Z80 assembler that comes with source code.
    kpuchatek kpuchatek November 2011 Development
  • Alkatraz protection systemI recently became interested in the Alkatraz protection system, a very widely used tape protection (a infoseek search returns more than one hundred r…

    ... all.

    Andy's page still lists it as "Unsolved ... filename
    A headerless turbo-block with some thousands bytes (solid ... )
    A longer headerless turbo-block containing both the funny-loading ...
    lfaria lfaria December 2011 MIA/STP/SDP
  • Hex editor with z80 disassemblyAnnouncing 'he', a curses-based hex editor. Among its features is the ability to disassemble the byte under the cursor (and succeeding bytes if nece…

    ... bytes if necessary) as a Z80 instruction.

    [url]https ...
    AY Chip AY Chip December 2011 Development
  • Testing Z80 op codesHappy new year all! I'm currently testing my Z80 emulator (hand written from scratch in C#) and I've possibly now gone insane, testing is taking hug…

    ... /> I'm currently testing my Z80 emulator (hand written from scratch ... Zaks "Programming the Z80" book and implemented the Z80 emulator from that ...
    Korinel Korinel January 2012 Emulators
  • Little help with the Spectrum Disk Preservation Project PageI dont think I understand this page very well, as Im checking the games and some of them appear already as preserved in dsk. file in the database. C…

    ... dont think I understand this page very well, as Im checking ... the general update of that page was in 02/08/2008 ...
    Ivanzx Ivanzx January 2012 MIA/STP/SDP
  • Page of title screen easter eggs, where?Hi, There used to be a page somewhere on the internet (small place, I know), possibly on the big easter eggs site, that had pics of Speccy title scr…

    ... /> There used to be a page somewhere on the internet (small ...
    Vertigo Vertigo January 2012 Sinclair Miscellaneous
  • Z80 - new MISTER BEEP albumAs a warmup for the upcoming 30th anniversary of our beloved machine, MISTER BEEP presents us his fourth album, named simply "Z80". [IMG]http://berl…

    ... his fourth album, named simply "Z80".

    [IMG]http://berlin_hq ...
    utz utz January 2012 Sinclair Miscellaneous
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... installation can be found on page 4 of this thread [URL ...
    Timmy Timmy January 2012 Development
  • MinnaMicroZ80 v0.21 - Z80 Snapshot to Microdrive converterMinnaMicroZ80 v0.21 - The Z80 to Microdrive Snapshot Converter -------------------------------------------------------------- Written by Rob Shepherd…

    ... command line utility for converting Z80
    snapshots so they ... point you fancy as a z80 format snapshot. Failing that,< ... you can also often download z80 snapshots from various places

    MicroZ80.exe snapshot.z80 speccyname

    This ...
    RobeeeJay RobeeeJay January 2012 Announcements
  • New Old games from Alexandru SimionAs I promised in another thread, and as Alexandru promised too :) he finally posted in his personal website almost all the games he coded for the Spe…

    ... .simion.co.uk/z80/[/url]

    The page is quite good ...
    Ivanzx Ivanzx January 2012 Brand new software
  • Costa Panayi's page on WikipediaThe page on Wikipedia states that Costa set up Vortex Software with Paul Canter, but lower down the page says he did it with Luke Andrews and Mark Ha…

    The page on Wikipedia states that Costa ... Canter, but lower down the page says he did it with ... knowledge than me edit the page so that it makes sense ...
    Vertigo Vertigo February 2012 Sinclair Miscellaneous
  • Jet Set Willy Ultimate Fan Page RevivalHi Everyone! Remember the [B]Jet Set Willy Ultimate Fan Page[/B] aka [B]JSW-UFP[/B] from the end of the 90's? After running it for 3 years I had dec…

    ... ]Jet Set Willy Ultimate Fan Page[/B] aka [B]JSW-UFP ... "]Jet Set Willy Ultimate Fan Page[/URL][/B] site is back ...
    jonnieZG jonnieZG February 2012 Announcements
  • BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…

    ... ZIP file contains TAP & Z80 program files plus BAS & ... characters and attribute tokens. The block of DATA statements can then ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • Z80 instructions tableI could never find a complete z80 instructions table (including timings) that I really liked. All reference material I have is either incomplete, or …

    ... could never find a complete z80 instructions table (including timings) that ... the time to prepare a z80 instructions table exactly the way ...
    Einar Saukas Einar Saukas February 2012 Development
  • SAGE gamebook project newsThat's the Spectrum Adventure Gamebook Enhancement, that is (for the time being, anyhow). I've updated the [url=http://www.users.globalnet.co.uk/~jg2…

    ... is full then the next page rolls down over the top ... the basis for the data block index created by AGES-4 ...
    Battle Bunny Battle Bunny February 2012 Announcements
  • The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…

    ... and fascinatingly enough, the little Z80 computer was "booting" right up ... , spxfr and the binary Z80 machine code file on the ... is unoccupied.

    Data block ("D") errors _could_ be thrown ... appreciate is input on the Z80 assembler code (there might be ...
    Volker Volker March 2012 Emulators
  • extension to Z80 opcodes spreadsheetI've set up an extra Excel spreadsheet which references Einar's v.helpful Z80TABLE spreadsheet and allows a list of Z80 assembler commands to be type…

    ... and allows a list of Z80 assembler commands to be typed ...
    Battle Bunny Battle Bunny March 2012 Development
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... a screen of graphics in Z80. After a ridiculous amount of ... ]
    START
    ld hl,16384
    ld bc,6144
    Morkin Morkin March 2012 Development
  • The impossible made possibleSome years ago Miguel Angel Rodriguez Jodar and I developed the PC Keyboard Interface (still available at SellMyRetro.com). The interface however wa…

    ... ULA (matrix array) and the Z80 in those models, which are ... . Add 100 ohm resistors between Z80 and matrix array

    page=3&p=612923& ...
    bverstee bverstee March 2012 Hardware
  • FATware with poke supportI've been trying some divIDE firmwares (with emulators) and discussing some problems in other forums. So I post some results here, because most firmw…

    ... 've trying firmwares from Velesoft page, and I've found this ... issue is present also in z80 firmware installers (so they can ...
    Zup Zup April 2012 Hardware
  • Z80 emulation C source with a permissive license?Could anyone recommend a good (all opcodes, proper timings) Z80 emulation code in C with a simple permissive non-viral license? Something without a w…

    ... good (all opcodes, proper timings) Z80 emulation code in C with ... interested, I found a LGPL Z80 core, not perfect, but still ...
    Shiru Shiru April 2012 Emulators
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Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on April 22
  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on April 22
  • Goodbye Z80
    moggy on April 22
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on April 22
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on April 22
  • I am currently watching.....
    Antiriad2097 on April 22
  • European Software Titles with an English version
    harriusherbartio on April 22
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on April 22
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on April 22
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

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