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<1…16171819202122…34>
  • ZX Eprom replacing Rom problemsI got a programmer today so I could finally flash the Xicor X28C256 eproms I have with ZX128 rom, to be used in my upgraded 48K machine. But for some…

    ... eproms I have with ZX128 rom, to be used in my ... works with the original 48K rom, but not with the eprom ... is connected only to the ROM output on the 74LS174 in ...
    Johan1973 Johan1973 November 2012 Hardware
  • Enhanced 128 Editor ROM ?Hi :) Over the years a bunch of people made enhancements to the original Spectrum ROM. The known bugs were fixed, new features added, etc. but has a…

    ... enhancements to the original Spectrum ROM. The known bugs were fixed ... ever created an enhanced editor ROM for the 128 machines? Enhancements ...
    memrah memrah December 2012 Development
  • [B]THE ROM CHIPS[/B]Could anyone see and tell me which the exact numbers and letters printed on the rom chips in Spectrum +2 are?

    Could anyone see and tell me which the exact numbers and letters printed on the rom chips in Spectrum +2 are?
    George George December 2012 Hardware
  • A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…

    ... I wrote this little BASIC routine to do it for me ...
    Battle Bunny Battle Bunny December 2012 Sinclair Basic
  • ZX 48 latest rom?Which is the latest rom for the ZX 48? I only know the 1982 version. Micky?

    Which is the latest rom for the ZX 48? I only know the 1982 version.


    Micky?
    -Micky -Micky December 2012 Hardware
  • checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…

    This routine starts off with HL=$ffff ... to A and calls this routine, ending up with another value ...
    Battle Bunny Battle Bunny January 2013 Games
  • ZX mask ROM chips curiosityJust out of curiosity... what willl happen if we have a Hitachi ROM and the bridging onboard is on the N positions (for NEC)? While I was searching …

    ... if we have a Hitachi ROM and the bridging onboard is ... that was set for NEC rom but the chip (socketed) ... a "GI TAIWAN" mask rom (I'm assuming thats a ... working fine, and passes the ROM test on the Sinclair testing ... of the factory, no rom has been replaced and no ...
    gtsamour gtsamour February 2013 Hardware
  • Gyruss rom versionIs is possible to make a "program" from the Gyruss rom version? Micky

    Is is possible to make a "program" from the Gyruss rom version?


    Micky
    -Micky -Micky February 2013 Sinclair Miscellaneous
  • How to benchmark a single routine?I've written a routine. It works. But it was never meant to be the final version. So I rewrote it. The new routine works too. Yay. :) However, I'd …

    I've written a routine. It works. But it was ... I rewrote it. The new routine works too. Yay. :)

    Sokurah Sokurah February 2013 Development
  • External Rom entry pointHi, this is my first post - so hi. I am writing a rom for the 128k, an just wanted to check a few things. To launch the rom, the entry point is 0x0…

    ... />
    I am writing a rom for the 128k, an just ... .

    To launch the rom, the entry point is 0x0000 ... ?

    The rom is activated by pulling the ... rom pin high or low on ...
    exit0 exit0 March 2013 Hardware
  • Spectranet firmware update: TAP file loading fixArchie Robins discovered a problem whereby interrups were being erroneously enabled on the return from a tape trap (that is, when TAP files are being…

    ... routine in the ZX ROM. This causes the peripheral's ROM ... may be the BASIC ROM itself in the case ... the Spectrum ROM's SA/LD-RET routine. This routine has an ... need for the Spectranet ROM to return via SA/ ... address from the LD-BYTES routine, so the address that ...
    Winston Winston March 2013 Hardware
  • Complete Spectrum ROM Disassembly book.Hello, interested on a copy of the "Complete Spectrum ROM Disassembly" book. I know they sometimes pop up on some e*stores, but would rather trade wi…

    Hello, interested on a copy of the "Complete Spectrum ROM Disassembly" book. I know they sometimes pop up on some e*stores, but would rather trade within the community.

    /Pedro
    pmsr pmsr March 2013 Wanted
  • RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…

    ... ,

    i burn this ROM from here

    [url ...
    xaris_sm xaris_sm March 2013 Hardware
  • Wanted - Spectrum Shadow ROM DisassemblyHiya, if you've got a hard copy of [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000371&loadpics=1"]Spectrum Shadow ROM Disassembly[/URL] t…

    Hiya, if you've got a hard copy of [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000371&loadpics=1"]Spectrum Shadow ROM Disassembly[/URL] that you're willing to part with then please send me a PM. Thanks!
    jp jp March 2013 Wanted
  • MIA: Magic Worm - is my copy good enough?Years ago when I was a teenager in Sheffield, I was given a copy of Magic Worm by the chap who lived next door to my grandparents. His son (Richard H…

    ... file too, as only the ROM loading routine is used.
    u6c87 u6c87 April 2013 MIA/STP/SDP
  • ROM carts, Psst and TranzamNot mine but thought I would give them a [URL="http://stores.ebay.co.uk/Microsprouts-Game-Crazed/_i.html?_nkw=rom&submit=Search&_sid=816467782"]menti…

    Not mine but thought I would give them a [URL="http://stores.ebay.co.uk/Microsprouts-Game-Crazed/_i.html?_nkw=rom&submit=Search&_sid=816467782"]mention[/URL]
    Macc Macc May 2013 Sales
  • Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…

    ... memory map must be +3DOS ROM and RAM 5,2,7 ... secondary screen (which is almost unused) to keep the loader code ... 23296 or the copy at ROM.

    - I've found ... " into 48k mode (putting 48k ROM, RAM 5-2-0 and ...
    Zup Zup May 2013 Development
  • handy method for passing m/c parametersI knew that a single number or string parameter could be passed to a m/c routine with either: [b]LET a=b+USR address[/b] puts b on the calculator st…

    ... passed to a m/c routine with either:
    [b ... br /> puts b on the calculator stack; or
    [b ... pointer to "abc" on the calculator stack.

    Then ... & c on the calculator stack. Unfortunately it doesn't ... & d on the calculator stack, but with a ...
    Battle Bunny Battle Bunny May 2013 Sinclair Basic
  • ZxSpectrum 128k ROMHi I'm looking for a ready to burn eprom file containing the 128k rom, mine is gone. I found on the web the image of the rom but are two files 16k ea…

    Hi
    I'm looking for a ready to burn eprom file containing the 128k rom, mine is gone. I found on the web the image of the rom but are two files 16k each.

    Any help is appreciated
    Andrea
    Akiandrea Akiandrea May 2013 Hardware
  • Spanish +2 romI spent two days getting my Windows PC back up and running after it crashed due to unstable DDR3 memory which was caused by too high voltage AND bad …

    ... '40055' of the Spanish +2 rom:

    [IMG]http://benophetinternet ...
    bverstee bverstee June 2013 Hardware
  • DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…

    ... -3)
    D2 - D5 = unused/ignored
    D6 - D7 = ... can access to 8kB rom image with main system ... testing without flashing to ROM = after power-off ... system flashed in DIVIDE PLUS rom.

    If ... switch between two 8kB rom images in adress space ...
    velesoft velesoft June 2013 Hardware
  • Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…

    I am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its own!

    How do I make it INVERSE, FLASH, OVER etc?
    daveysludge daveysludge June 2013 Development
  • quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…

    ... of free RAM). Although the routine will copy any length it ... the STR$ bug in the ROM, as shown in line 45 ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • Sampling routineLooking for a simple yet crude sampling routine that I can use on a forthcoming game. I've tried most of the ones from the archive and find them uns…

    ... a simple yet crude sampling routine that I can use on ... spare and just need a routine that goes "YEAH!"

    daveysludge daveysludge July 2013 Development
  • Strider II (and others) + 3 disk versionsHello everyone, I've been working on converting some games to be able to load them from the +3 floppy. I started with single load games but now Im i…

    ... /> ld a,7 ;ram 7, rom 2
    call paging
    Also I have a LDIR routine at 48641 which backups some ... 6, copy the disk loading routine to 23900, jumps to ... a, 22 ;select ram 6, rom 3
    call pagin ;calls ... , 22 ;loads ram 6, rom 3
    call pagin
    BCH BCH July 2013 Games
  • Games/Programs making use of DivIDE featuresHello :) I have a question: I may be wrong, but it looks like the DivIDE and similar interfaces for the ZX Spectrum are almost exclusively used for …

    ... TAP files to the ROM tape LOADING routine. Also, would it be ...
    memrah memrah July 2013 Development
  • What's a Trans Am rom worth?I got my hands on a complete Trans Am rom in good shape. Isn't this the most rare rom cartridge? Anyone has an idea what it's worth?

    I got my hands on a complete Trans Am rom in good shape.
    Isn't this the most rare rom cartridge?
    Anyone has an idea what it's worth?
    bverstee bverstee July 2013 Games
  • Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…

    ... s 32-bit long multiplication routine so much that I ... version, which follows the original routine quite closely (AA's comments ... the numbers are handled the ROM will give an "Integer out ... mozTocId269826
    991 REM MULTIPLY ROUTINE 32*32BIT=64BIT
    992 ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • Redefine keys routineHow would I go about making a memory efficient redefine keys routine? I only want to define up, down, left and right and reserve key 'H' for pause.…

    ... a memory efficient redefine keys routine?

    I only want ... .

    The key scan routine in the game goes something ...
    daveysludge daveysludge August 2013 Development
<1…16171819202122…34>

Latest Posts

  • European Software Titles with an English version
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  • How Do You Categorize Your Speccy Software and Games?
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  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
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  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

Word Docs Hits
calculator 1K 1.5K
routine 9.5K 14.8K
discard 228 261
unused 1.1K 1.4K
rom 15.6K 29.7K

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