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Search Again :: Adv Search 1000 results in 0.014s
<1…17181920212223…34>
  • What will you be buying yourself for Christmas?Every christmas I treat myself to a new fangled gadget, what will you lot be buying yourselves thris christmas? I been looking at buying one of thes…

    ... Spectrum's expansion port, and switch on the Spectrum. Press the ... a hard drive (or CD-ROM) at the same time, has ...
    rwap rwap October 2009 Chit chat
  • detecting 128 mode ?quick question really, someone who programs would know I guess. am I right in thinking some things detect 128 program and adjust accordingly , say i…

    ... 48k to the same location, switch back to ram 0 and ... up known differences in the rom - I never came across anything ...
    nuggetreggae nuggetreggae October 2009 Hardware
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... don't need a new ROM or machine code, just use ... modified routines. And if the ROM's printing routines aren't ... memory from BASIC unless the ROM was given the ability to ... BASIC you'd already entered, switch to the new graphics mode ... I'd prefer a replacement ROM!
    joefish joefish November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... .
    [quote]And if the ROM's printing routines aren't ... memory from BASIC unless the ROM was given the ability to ... program.[/quote]
    The original ROM already has this ability. ColorPRINT ... BASIC you'd already entered, switch to the new graphics mode ...
    chev chev November 2009 Emulators
  • help in making a tzx file from standard speedIn short, I want to create a tzx file from the original Navy Moves & Army Moves compilation, giving that the one in WOS archive has an error on Army …

    ... />
    As you want standard ROM timings, you could also try ... blocks.

    Use /std switch with values higher than 30 ... -r flag to force standard ROM timings with your file as ... /> Checksum:PASS
    found 2 ROM blocks

    $ tzxlist ...
    Fred Fred November 2009 Sinclair Miscellaneous
  • I cannot disable "Load Disks Automatically" in ZX SpinI want to disable the automatic loading of disks in ZX Spin, but cannot succeed. Every time that setting checks it back on by itself. Is this a bug …

    ... (?) is very annoying when I switch to other hardware Spectrum model ... switch back to +3. Because I am using a custom +3 ROM ... file, the emulator changes the ROM to the default one with ...
    secarica secarica November 2009 Emulators
  • RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …

    ... (or de-activates) an electronic switch (often built with a so ... 'latch' chip) which electrically can switch between banks (or other peripheral ... (= active), [B]THEN[/B] the ROM
    roko roko December 2009 Hardware
  • Sinclair ZXC3 FLASH ROM CartridgeI recently received mail about the new ZXC3 PCB which provides the unique ability to program it directly from the Spectrum without the need for an EP…

    ... loading modern reprogramable carts, as rom replacements are a wonderful idea ... be able to switch out the speccy rom and switch in a custom ...
    kgmcneil kgmcneil December 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... FLASH ROM, providing two banks selected by an external switch. the ... two banks each contain four 16k rom images ... contains a socketed 29F010 FLASH rom. A switch will again control the ... .
    The bank select switch is connected to the A16 ...
    guesser guesser December 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... finding a 1Mbit chip...) The switch is a tiny bit of ... /> Perhaps decoding a port to switch bank could be useful to ... pair of alternate 128k rom sets, the switch is perfectly adequate
    switch, the unlock sequence on the ...
    guesser guesser December 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... IF2 rom to the secong bank so you can set the switch ...
    guesser guesser December 2009 Hardware
  • Switching between +D and DivIDEI want to add a switch between +D and DivIDE. I think, soldering a switch between MEMRQ1 and MEMRQ2 + IOREQ1 and IOREQ2 of both Interfaces and Spectr…

    ... DivIDE. I think, soldering a switch between MEMRQ1 and MEMRQ2 + IOREQ1 ... the middle position of the switch, both interfaces are enabled. This ... 227,128 Divide block internal rom in ZX. If mreq for ... crash (CPU will without any rom data). For correct fix: ROMCS ...
    velesoft velesoft January 2010 Hardware
  • Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…

    ... or ROM has nothing to do with how you bank switch with ... a Spectrum. Whether you have RAM, ROM or ... memory map where the main ROM would be.

    ResiDOS ... , some use some type of ROM (EPROM, EEPROM or flash). It ...
    Winston Winston February 2010 Hardware
  • Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…

    ... other one is where I switch sprite types and for a ... became some sort of shadow rom allowing the editor to be ...
    BiNMaN BiNMaN February 2010 Development
  • Different ZX 48K ROM versions?Is there only one official ROM version for the ZX 48K from Sinclair? Micky

    ... ]Is there only one official ROM version for the ZX 48K ... />
    Yes the original 1982 ROM was the only one ever ... of bugfixes for, the Beckman Innovation AB ROM released in Nordic countries ... .

    The TS 2068 ROM was an official Timex/Sinclair ...
    Geoff Geoff March 2010 Hardware
  • 48K -128K upgradeHas anybody ever made, or is it possible to make an upgrade module for a 48K spectrum that will let you operate it like a 128K Spectrum, and back aga…

    ... 't offer any means to switch out the internal RAM for ... external RAM, only the ROM. Besides, if it were possible ...
    gasman gasman March 2010 Hardware
  • Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …

    ... You should enable the correct ROM before making a call ... make shure that the ROM you started from is enabled ... trying to test this rom switching on Fuse and ... /> OUT (C),A ; switch to 128K rom (rom 0)
    LD BC ... C),A ; back to 48K rom (rom 1)
    POP BC
    bverstee bverstee April 2010 Hardware
  • 48K -128K upgradeHas anybody ever made, or is it possible to make an upgrade module for a 48K spectrum that will let you operate it like a 128K Spectrum, and back aga…

    ... 't offer any means to switch out the internal RAM for ... external RAM, only the ROM.[/QUOTE]

    how about ...
    guesser guesser April 2010 Hardware
  • ISO ROM 128 with TR-DOS 5.05(cz)This is new correct version of ISO ROM for ZX + BETADISK. Some extra basic command is designed specially for use in conmination with TR-DOS 5.05(cz).…

    ... ROM 128 (file [B]iso-rom-03-2010(port239disable).rom[/B]) is 32kB rom ... ROM show menu. After set AUTO RESET or HARD RESET switch ... to ROM1 (it's modified 48 rom designed ... Official info/documentation for this ROM not exist. Only unofficial Czech ...
    velesoft velesoft April 2010 Sinclair Basic
  • Multiface One and DivIDE did not work togetherMultiface One and DivIDE did not work together. What is the reason? Micky

    ... through port whenever the Spectranet ROM is paged - this prevents any ... downstream device from paging a ROM (as the address being accessed ... (and if its own NMI switch is pressed, as soon as ...
    Winston Winston April 2010 Hardware
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... are a part of the Rom +3 because it uses on ... they are not defined on switch on. YOU define them... go ...
    fog fog June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    You can use only active set of registers, so you can't ld bc',10 - you should switch the set. You can do anything you want with them, but when you use ROM routines, you should remember that they require to keep IY and HL' unchanged.
    Shiru Shiru June 2010 Sinclair Basic
  • KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…

    ... is still used by the ROM during the game, and KOP ... .

    You have to switch to 48K mode in order ...
    mcleod_ideafix mcleod_ideafix June 2010 Development
  • +3 peripherialsHello All, I'm a recent returner to the speccy after stumbling across the excellent games bible on lulu.com, after buying the first couple of books …

    ... peripherals that have their own ROM (such as Interface 1 etc ... peripheral pages in its own ROM, the +3 ROMs remain paged ... to have a jumper or switch which you close for use ...
    Winston Winston July 2010 Hardware
  • Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …

    ... a rom replacement, the ability to use double the memory and switch ... given to that. Wires to switch the lines high/low would ...
    guesser guesser August 2010 Hardware
  • Common pitfalls and solutionsLet's discuss some of the common problems in Speccy programming, and the methods we use to avoid them. For an example, here is a piece of code that …

    ... .
    ;Since the 48 BASIC ROM is paged in, this is ... to have one that would switch older 48k releases on the ... the end to do the switch. I realised it had done ...
    BiNMaN BiNMaN August 2010 Development
  • Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …

    ...
    Also modify +3 rom or +3e rom for better compatibiity with ... better reflash 64kB rom with original 32kB(2x) rom from ZX128. ...
    Or flash 4x 16kB rom from original ZX48.

    switch between ZX128 rom and 48rom(2x48rom = ...
    velesoft velesoft August 2010 Hardware
  • Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…

    ... -CHAR) and re-entering the ROM just after where the call ... itself is just to signal "ROM done initializing", and modules can ... boots from disk when I switch it on. Maybe you just ...
    Speccyman Speccyman August 2010 Development
  • updated Fatware - keyboard patchHi! I work with Fatware code and already prepare keyboard patch for original version 0.12. Now it's possible to operate disk browser with keys: 1) c…

    ... . I can send you also rom based version, but contain one ... ). This DEVASTACE is better than rom version (can trace also programs ... using ZX ROM routines, but need 48 rom in low 16kB ... actual adress
    SS+3 = switch DEC/HEX
    G = find ...
    velesoft velesoft September 2010 Development
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HitBox

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beckman 27 41
rom 15.6K 29.7K
switch 7.6K 10K

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