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48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…
... friends!
I built 128k upgrade according to the [url]http ... also tried to load few 128k games (Total Recall, Carried Command ... to set it to get 128k compatibility?
I expect ... use it to get this 128k upgrade test and working?
Harlequin 128K minor problems.....Hi All, I've just assembled my Harlequin 128K kit, I had initial problems with it that I traced to not having soldered all of the pins on a couple…
... /> I've just assembled my Harlequin 128K kit, I had initial problems ... random characters being typed (in 128K basic) and the keyboard appearing ...Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…
... noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K:
http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin ... -48K-to-128K-Upgrade-Addon-PCB-UK-SELLER ... looks like just a RAM upgrade? No AY and I ...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…
... it possible to make an upgrade module for a 48K spectrum ... you operate it like a 128K Spectrum, and back again?
upgrade, it would allow 128K (what there is ...Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…
... the bits to build an Harlequin Rev G system and I ... all working I have the 128k upgrade to fit after thatHarlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…
Hi peeps...
I've seen that you can do a 128k version of the Harlequin board.
Is it just the standard board with different chips or is it a different board all together?
ThanksHarlequin 48k and 128ki am redoing my harlequin 48 parts onto a new harlequin 128k bored only parts i can't swap are the rom, ram and will need an ay chip but seeing as th…
... parts onto a new harlequin 128k bored only parts i can' ...Harlequin 48k and 128kHi all i have been putting together a harlequin 128k and have a few components assembled on the board including some sockets and today arrived the…
... have been putting together a harlequin 128k and have a few components ... arrived the kit for my harlequin 48k so i will start ...Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…
I have been trying to upgrade my Issue 2 with the ... else. So I disassembled the upgrade and rewired it to work ...Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…
... br />
I make Harlequin mod - turbo mode ( CPU clock ... 7MHz ) for Harlequin.
Could you be so ... schematic.
I tested on Harlequin 128K.
[img] ... ) is inverting CPUCLK , but Harlequin has different schematic : CLKB is ...Just speccy or harlequin ?Hi all, I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ? Just speccy 128k or the harlequin 128k ? S…
Hi all,
I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ?
Just speccy 128k or the harlequin 128k ?
Self assembly and soldering is no problem.
GreetingsHarlequin 128 Rev 2D with ZX Interface 1 RS232Hi, Does anyone have any experience of using serial interface on ZX Interface 1 plugged into a Harlequin 128. While microdrive works fine, i can't…
... Interface 1 plugged into a Harlequin 128. While microdrive works fine ... the same test on a Harlequin 128k Rev 2D produces no output ...Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…
... just opted for the offical harlequin superfo black board and slowly ... plunge and ordered the full 128k version to.
so if ... the first board with the 128k upgrade and look for an ay ... /> but since i orded the 128k board i have been lade ...Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…
... .speccy.org/cosas/JL/Harlequin/superfo1.html"]trastero.speccy. ... there is a link to Harlequin 128K zip file. Download it ... all details about this upgrade (48K -> 128K) in simple English. ... .org/cosas/JL/Superfo-Harlequin-128K/128K-i.html"]Harlequin 128K[/url].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…
... new A15 etc for the 128k upgrade. Pin 27 is connected to ...Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... anyone built one of the Harlequin 128k revision 2D boards, with the ...CPC 464 plus - technical help please.I set up my CPC464plus today. With a cartride inserted, it works. Without a cartridge inserted, it displays just a green screen. I have one cart, …
... commonly done, along with the 128K upgrade. There are ways of getting ...True Spectrum laptop (no emulation)[url]http://user.tninet.se/~vjz762w/[/url] Hi All, I have build a speccy laptop, battery part is not ready yet.... I did it on 2 days, I will put s…
... talking about a 48K to 128K upgrade or a motherboard exchange? Either ...True Spectrum laptop (no emulation)[url]http://user.tninet.se/~vjz762w/[/url] Hi All, I have build a speccy laptop, battery part is not ready yet.... I did it on 2 days, I will put s…
... talking about a 48K to 128K upgrade or a motherboard exchange? Either ... ... I meant add 128k ram and the 128k rom to a Rubberkey ...myspeccy.org - online gaming which auto-saves scoresIt's a blimmin' miracle - I'm most impressed.
... any slower because of the 128k upgrade. Probably just very busy.
128k, the score gets corrupted on ...myspeccy.org - online gaming which auto-saves scoresIt's a blimmin' miracle - I'm most impressed.
... Frosties)[/i]
Then, 128k upgrade came along. GRRREAT !!!!!. [i](Now ...Photos of MODIFIED ZX SpectrumsIf you have ZX Spectrum/clone with any modification(s), please release photos: (or send me your photos to --SPECCY(a)SEZNAM.CZ--, I upload all to my …
Some impressive mods there.
Someone told me the 48K to 128K upgrade can't be made just by adding an interface, because some of the modifications must be made inside. :(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…
... see that this is another upgrade that I would like to ... that my Divide+ has no 128K functionality anyway, on the face ... , but if it did have 128K facility it would be a ... list:
DivIDE+, with 128K upgrade facility built in for 48K ...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…
... that this is another upgrade that I would like ... my Divide+ has no 128K functionality anyway, on the ... if it did have 128K facility it would be ... />
DivIDE+, with 128K upgrade facility built in for 48K ... provide the Spectrum with 128K memory, just the 128 ...Activision's Ghostbusters (1984 version)Did anyone ever manage to work out (or hack) the account numbers? If so, are they the same for the 1986 rehash?
Great game but for years I would load it up in 48k for some reason and only when I played via .rzx a couple of years ago did I appreciate the 128k upgrade!
Was the original 48k only?Activision's Ghostbusters (1984 version)Did anyone ever manage to work out (or hack) the account numbers? If so, are they the same for the 1986 rehash?
... ago did I appreciate the 128k upgrade!
Was the original ... 1984, two years before the 128k was released.Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
... /> Pending issues:
* 48K to 128K Upgrade internal
* Internal AY sound ...Rocky Horror Show 48 & 128 versionsWhat is the difference between 48 and 128 versions of "Rocky Horror Show"? The music or something else?
... Jeff Lee who handled the 128k upgrade. Here's what he had ...48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…
... friends!
I built 128k upgrade according to the [url]http ... also tried to load few 128k games (Total Recall, Carried Command ... to set it to get 128k compatibility?
I expect ... use it to get this 128k upgrade test and working?
