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  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... with higher priority, such a memory swap, buffer flush, etc. can ... the vast majority of cases, modern OSs are all pre-emptive ...
    Fred Fred August 2009 Development
  • Thoughts on laptop upgradesI have been given an old laptop, an IBM Thinkpad 600E for free. Some of the specs are as follows: Pentium II @ 364 MHz. 256KB cache. 128 MB PC-66 RAM…

    ... applications, but not swapspace (virtual memory) or user data that changes ... sequential read/write. A typical modern laptop HDD is faster: [URL ...
    JamesW JamesW August 2009 Chit chat
  • Multiface One - brokenFor a long time I have had a Multiface One, that since I got it never worked. When I attach it to the computer (edge connector completely cleaned), i…

    ... series is a drop in replacement for 74LS, although you may ... RAM, you can use a modern device, but it'll be ...
    Winston Winston August 2009 Hardware
  • Retro GamerAnyone subscribe? I do, has anyone had their latest issue? Bomberman was the last issue I think the next will have an asteroids front cover. I was un…

    Actually, my memory seems to be failing - I ... 't mind the coverage of modern retro-themed stuff, but it ...
    joefish joefish September 2009 Chit chat
  • Retro GamerAnyone subscribe? I do, has anyone had their latest issue? Bomberman was the last issue I think the next will have an asteroids front cover. I was un…

    [QUOTE=joefish;381883]Actually, my memory seems to be failing - I ... 't mind the coverage of modern retro-themed stuff, but it ...
    psj3809 psj3809 September 2009 Chit chat
  • dead issue 6a boardI've just been back to the uk and found my old 48K + there - and bought it back with me to singapore - it's giving white border and red bars. From wh…

    ... failure.

    Failed 4116 memory is one of the most ... - no need for special programmers - modern NOR flash is all single ...
    Winston Winston September 2009 Hardware
  • Newbie: DivIDE or DivIDE+??Hi Everybody, I'm a total newbie from the US about to enter the world of Spectrum. Reading Retro Gamer for the past couple of years has made me want…

    ... BIOS is in 8kB ROM memory. After start or reset your ... will BIOS automatically boot ZX memory snapshot from HDD/CF/ ... complette task manager, virtual memory with unlimited size,next fetures ... This DivIDE version contain new modern chips with latest firmware for ...
    velesoft velesoft September 2009 Hardware
  • Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…

    ... - should be easy to find replacement), or an ULA with damaged ... a sympton that the lower memory is not working at all ... ULA wants to read that memory to build the picture, it ... : check the voltages at low memory (5V, 12V, -5V) and see ...
    cycyc cycyc September 2009 Hardware
  • worth buying a zx spectrumAs i have been watching Micro Men i have been really thinking about buying another Spectrum. Now as i grew up in the 80's and was a massive speccy fa…

    ... if you can use the memory browser and debugger in the ... hardware, with a couple of modern enhancements (mass storage - at the ...
    Winston Winston October 2009 Hardware
  • Duo Or Quad Core? That Is The Question?I posted this thread a while back - [url]http://www.worldofspectrum.org/forums/showthread.php?t=26951[/url] Well, I decided to scrap it!! My mrs sa…

    ... migration, with just 512Mb of memory.
    It would shine all ... to the fact that most modern software is of incredibly horrendous ...
    mheide mheide November 2009 Chit chat
  • Duo Or Quad Core? That Is The Question?I posted this thread a while back - [url]http://www.worldofspectrum.org/forums/showthread.php?t=26951[/url] Well, I decided to scrap it!! My mrs sa…

    ... migration, with just 512Mb of memory.
    It would shine all ... to the fact that most modern software is of incredibly horrendous ... layered architecture that allot of modern programs are developed with and ...
    Scottie_uk Scottie_uk November 2009 Chit chat
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... mode that needed extra screen memory from BASIC unless the ROM ... the middle of the screen memory map so the system variables ... - personally, 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.

    ... Harlequin full decoding. In the replacement ULA only partial, because otherwise ... ULA is busy reading lower memory, if the port to be ... means every time it changes memory pages the pallette will change ...
    Winston Winston November 2009 Emulators
  • just thinking about ...compo for zx 16k ? anyone ?

    ... interesting even without it, whole memory is contended, you really have ... buffers, im2 unusable (AFAIK). so "modern" zx coder have to throw ... sprites are shifted and placed memory and finally your code builder ...
    Fikee Fikee November 2009 Development
  • zx81 repairare they easy or very tricky to fix, just curious? getting one , that displays but no cursor.. so hopefully I can get parts to fix it. I started off…

    [QUOTE=RetroTechie;403265] Replacement ULA chips are only needed ... fixes.. the composite mod + the memory INTERNALLY instead of a cruddy ...
    fog fog November 2009 Hardware
  • This Is Your (Gaming) LifeHi there spec-chums. I'm in an inquisitive mood, and feel like doing a bit of writing, so I was wondering if you folks would like to share the story …

    ... ever since. I got a replacement saturn in about 02' My ... off. With the power of modern platforms Sega could now easily ...
    dm_boozefreek dm_boozefreek December 2009 Chit chat
  • ZX81 more powerful than the Speccy?I have been reading ?The ZX Spectrum Book 1982 - 199x? by Andrew Rollings (thanks again, Andrew - it?s a great read!). There are some comments in the…

    ... the ZX81's screen memory takes up 768 bytes ... very well written around the memory limitations. My PC has ... 1GB of memory, and still thrashes the ... hard drive for virtual memory whenever I do even ... the same attention to a modern day PC game most ...
    ewgf ewgf January 2010 Games
  • ZX81 more powerful than the Speccy?I have been reading ?The ZX Spectrum Book 1982 - 199x? by Andrew Rollings (thanks again, Andrew - it?s a great read!). There are some comments in the…

    ... the other hand improve speed, memory and graphics constantly. Why spend ... processor, etc..). Performance on a modern GPU is a lot more ...
    pSXAuthor pSXAuthor January 2010 Games
  • memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …

    ... magnitude faster, you'd need modern DDR SDRAM (access time better ... />
    [0] (The shortest CPU memory access cycle is, however, 1 ...
    Winston Winston January 2010 Hardware
  • memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …

    ... magnitude faster, you'd need modern DDR SDRAM (access time better ... />
    [0] (The shortest CPU memory access cycle is, however, 1 ...
    guesser guesser January 2010 Hardware
  • Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…

    ... compatible, with close timings and memory contention. Second generation (1990-1995 ... ), including Pentagon, has no memory contention and different timings (because ... Pentagon to the limits (demos, modern games), simply can't work ...
    Shiru Shiru January 2010 Games
  • de soldering chipshi whats the best method for de soldering memory chips? i have heard its best to put a plug in socket..recently replaced diodes and capacitors on iss…

    ... . and is rather useless for modern (mini) PCBs. That probably is ... one.
    Regarding the 4116 memory I think that when you ...
    roko roko January 2010 Hardware
  • more memoryi dunno if this has been mentioned, apologies if it has (i cant be arsed to search :P) Ive just been reading about the zx81 and it popped into my he…

    ... up the entire 64K of memory space (65535 bytes).

    memory is inaccessible unless you are ... advantage of it without a replacement ROM and then it gets ... .

    Sinclair introduced paged memory with the 128K toaster but ...
    BloodBaz BloodBaz January 2010 Hardware
  • more memoryi dunno if this has been mentioned, apologies if it has (i cant be arsed to search :P) Ive just been reading about the zx81 and it popped into my he…

    ... , but with memory paging in low 16kB as rom replacement. For example ... can be used any interface with external memory ... my upgrade (only 1MB ram memory):
    [url]http://velesoft.speccy ...
    velesoft velesoft January 2010 Hardware
  • ULA Plus and Interlace.May be a bit late to suggest this, but here goes. Did the original Speccy ULA actually output a proper PAL interlaced image, with timing pulses on a…

    ... guarantees that it works with modern TVs.


    [quote ... display alternate frames from different memory banks, I guess? Both being ...
    csmith csmith January 2010 Hardware
  • Anyone still making Speccy Clones?Was just reading up about 'Peters Plus Ltd.' of St. Petersburg, Russia and the 'Sprinter' series of computers they made. Wikipedia seems to hint tha…

    ... seems to be the most modern of these clones, but anyone ... have more than 4 MB memory, better graphics than 320x256x256 of ...
    LCD LCD February 2010 Sinclair Miscellaneous
  • Converting modern games to speccyThe speccy is like a childhood friend we dont want to die. I can think of tons of modern games id LOVE to see converted, in any way, to the speccy,(r…

    ... far more CPU speed and memory than was actually available on ... you want to see how modern games could be done on ...
    deadpan666 deadpan666 February 2010 New game ideas
  • 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…

    ... the hardware (into Flash EPROM, memory card, and glue logic), and ... . but I would not use modern controller or special circuitry where ...
    ingo ingo February 2010 Hardware
  • The Making Of Manic Miner"Matthew Smith talks us through every level of his classic platformer Sat at the very desk where it was written, Matthew Smith watches Miner Willy l…

    ... />
    EDIT2: Here's a memory map to give you some ...

    * Extra game modes, "modern" - 5 lives, continue option; "classic ...
    Paradigm Shifter Paradigm Shifter February 2010 Games
  • Faked MP3/memory sticks etcI recently bought an MP3 player on Ebay from jolly old China. I suspected it would be fake as it was advertised as a 16gb MP3/MP4 player and cost me …

    ... ]Update.

    Well the replacement arrived Friday from China.....you ... to re-correct faked flash memory to it's correct capacity ... PID numbers of the flash memory / device then tracking down a ...
    Hercules Hercules March 2010 Chit chat
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Latest Posts

  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Goodbye Z80
    i love the z80s on 6:28PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on 6:04PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • 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
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

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modern 8K 9.4K
memory 21.8K 32.5K
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