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<1…16171819202122…34>
  • So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…

    ... highest clock speed, the most ram, allowed an external tapedeck (for ... slowed down by the disk access code in the interrupt routine ... expand it to 176K of RAM (pageable in 8K chunks across ... hooking up a single 128K RAM chip to the MMU. Plug ...
    chev chev April 2011 Sinclair Miscellaneous
  • Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …

    ... read/write access to the first 256 bytes of RAM (8-bit ...
    joefish joefish April 2011 Development
  • So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…

    ... have gone for the Timex RAM paging system and modes, if ... that was why the ramdisk access method changed, reverse engineering the ...
    chev chev April 2011 Sinclair Miscellaneous
  • BASin Problems etc.Hi Folks, Paul has asked me to open this thread to document any outstanding issues that we find within BASin. No guarantees that Paul can/will fix …

    ... the contents of the 128K RAM disk
    [/quote]
    its ... />

    [*]Repeated access to the 128K RAM causes BASin to crash ...
    Arda Arda May 2011 Sinclair Basic
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... ) multiple windows on screen to access an icon/app.

    and lots of RAM :P
    Rebelstar Rebelstar May 2011 Development
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... it possible (512kB rom + 512kB ram).

    Orig. ... DIVIDE contain 32kB ram, but this memory is used ... my DIVIDE BIOS can access to big virtual memory ... fast load to ZX ram/DIVIDE ram. Or save from ... " from IDE to ZX ram. All this operations is ...
    velesoft velesoft May 2011 Development
  • ZX systems on PC FDD! (TRD,Opus,D40/D80...)Hi. A friend suggested me a program that can force PC's FDD (even on the newest systems) to format and save programs of ZX Spectrum. Seems like it …

    ... TR-DOS rom chip can access to I/O ports of ... ram, but all this loaders must jump to rom, if need access ...
    velesoft velesoft May 2011 Sinclair Miscellaneous
  • RAND USR that doesn't work in emulators and clonesEons ago, I "discovered" a strange RANDOMIZE USR. This is it: [b]RANDOMIZE USR 46578[/b] Using it on a genuine ZX Spectrum rubber key or Plus model,…

    ... , but all and every memory access, so I wrote the program ... (the last 256 bytes of RAM) are filled with 0 just ...
    mcleod_ideafix mcleod_ideafix May 2011 Emulators
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    The DivIDE Plus has 512K RAM (compared to the DivIDE's ... ESXDOS, which allows read/write access but is still in beta ... />
    The DivIDE Plus allows access to 128K Basic, although I ...
    gasman gasman May 2011 Hardware
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    ... /> DivIDE Plus use 512kB RAM, but not as DivIDE memory ... can use only 32kB ram as original DivIDE interface. ... is 512kB rom + 512kB ram = 1MB memory. Divide Plus ... mode is used 16kB ram/rom paging instead ... The DivIDE Plus allows access to 128K Basic, although ...
    velesoft velesoft May 2011 Hardware
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... mean that the whole 48k ram area would be free for ... /> 3) use spectranet "modulecalls" to access the different functions of the ...
    guesser guesser May 2011 Development
  • 48k dots appear but not with CUB monitorToday I tried out an issue 3 and an Issue 2 with the CUB monitor, to my surprise they both worked flawlessly, now before when I tried them on any oth…

    ... whole lot with a Static ram, the problems just went away ... was documented as making DRAM access a bit more reliable, so ...
    spodula spodula June 2011 Hardware
  • Question about DivIDEHi guys, Tell me this... (please) DivIDE features an "auto-mapping feature transparently maps shadow ROM at important entry points". Depending on …

    ... mapping when address 1366 is access as a memory read.
    ram+next 8kB ram)
    2) true 16kB ... ZX rom with external 16kB ram with selectable write protect - ... + compatible) and CPU can access to 512kB ram + 512kB rom.

    velesoft velesoft June 2011 Hardware
  • rubber key Spectrum 48k problem :(when i plug the spectrum in all i get is a black screen with a red border and sometimes flashing blocks. the spectrum worked until about 20 mins ago…

    ... voltages on the 16K lower RAM. You should get pin 1 ... a dodgy 16K RAM chip. If you have access to an EPROM ... have to keep remove lower RAM chips until you find the ...
    Spirantho Spirantho June 2011 Hardware
  • Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…

    ... , so it cannot replace lower RAM, only lower ROM.
    Question ... happen if you replace lower RAM (screen) with ROM?[/QUOTE]
    access the screen DRAM no matter ... because the SCLD owns that RAM (it controls the address and ...
    Alcoholics Anonymous Alcoholics Anonymous June 2011 Hardware
  • Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…

    ... special :-) The SCLD continues to access the screen DRAM no matter ... because the SCLD owns that RAM (it controls the address and ... bus that overrides the screen ram, The ULA will still keep ... have to contend EVERY memory access rather than just accesses to ...
    spodula spodula June 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? …

    ... access to 2.5MB of data on a computer with 64K RAM ... /> Because FDD3000 is a 64K RAM computer it can run CP ... same but with only 16K RAM. It is upgradable)
    [url ...
    Encarnado Encarnado July 2011 Emulators
  • 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? …

    ... 't run on a 48K RAM machine
    No
    Encarnado Encarnado July 2011 Emulators
  • Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…

    ... the A register and have access to all of those arithmetic ... 2011
    ; **********************

    ; **********************
    ; Ram Variables
    ; **********************
    ballpos equ ...
    ooze48k ooze48k July 2011 Development
  • Spectrum +3 suspected memory faultHi, I've been using my +3 for the first time in a while and found that some games have problems with the display becoming corrupted and sometimes cr…

    ... recently desoldered the +3's RAM, put in sockets and tested ... .php?t=31415&highlight=ram+fault[/url]

    reports ... the RAM since I've swapped it out) and I have access ...
    JohnH JohnH July 2011 Hardware
  • Desktop Spectrum Arcade MachineI have started a project to build a mini arcade machine dedicated to spectrum The plan is to build a small arcade cabinet no bigger than 15" high an…

    ... just remove a panel for access.
    I put XP Pro ... , Atom MB with 2 gig Ram. Centre White bits are the ... so I went for easy access over aesthetics

    [URL ...
    ADJB ADJB August 2011 Emulators
  • Hey Hey... 48k?There's been a few threads recently where people have actively sought to avoid 128k versions of games. And I have to ask: twenty years after the Spe…

    ... to allocate a bit more ram...[/QUOTE]

    I agree ... than I ever did. Having access to books, software and BASin ...
    Paddy Coleman Paddy Coleman August 2011 Games
  • New tool: SnapToTap R2it's basically a gui update to VSC. But it's now simpler to convert sna files into tap files. what is special about SnapToTap? it converts snapshots…

    ... into the top of RAM, that code will load ... not sure how good random access works, not checked it ... when it's all in RAM, the loader will have ... data to the end of ram, call the decompression routine, ... decide which part of display ram gets corrupted.

    RobeeeJay RobeeeJay August 2011 Announcements
  • Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…

    ... very fast access to the first 256 bytes of RAM, which you ...
    joefish joefish August 2011 Sinclair Miscellaneous
  • Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…

    ... very fast access to the first 256 bytes of RAM, which you ... /> So this access to the first 256 bytes of RAM - is that ...
    Paddy Coleman Paddy Coleman August 2011 Sinclair Miscellaneous
  • Empire! Help neededCan anyone convert the listing in the Tipshop to Multiface pokes? Im having a hard time with this game, over 15 years playing it, now I could do wit…

    ... USR 0 mode the extra ram and many other 128K features ... routines from +3DOS or does access the disk with its own ...
    zxbruno zxbruno September 2011 Games
  • Amstrad anyone ?I grew with C64 and Speccy, and still use both, but I`m curious about the Amstrad CPC464. So, comparing it to the spectrum only, what is it like ? …

    ... at Intel then so had access to the best PC kit ... with an i3 and 4GB RAM and I would say this ...
    Paddy Coleman Paddy Coleman September 2011 Sinclair Miscellaneous
  • Amstrad anyone ?I grew with C64 and Speccy, and still use both, but I`m curious about the Amstrad CPC464. So, comparing it to the spectrum only, what is it like ? …

    ... at Intel then so had access to the best PC kit ... with an i3 and 4GB RAM and I would say this ...
    Alien 8 Alien 8 September 2011 Sinclair Miscellaneous
  • Placing a switch over a jumper?Hi Guys, Rich from RWAP has kindly provided me with a replacement DivIDE Plus after problems with my original. The new one however has the two (woul…

    ... see why you need to access the jumpers that much ? I ... system is on), flash the RAM and switch it off again ...
    BloodBaz BloodBaz September 2011 Hardware
  • 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 …

    ... dividing usable 32KB of Speccys RAM (why do they call it ... this file to/from ZX ram. Actually is used this features ... basic syntax with BIOS ide access. With this is possible use ...
    velesoft velesoft October 2011 Development
<1…16171819202122…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • 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

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