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Keyboard for ZX Spectrum 16k/48k or HarlequinThere is a keyboard developed originally for use with the Harlequin but maybe used as well with any 16k/48k ZX Spectrum. The keyboards offer a great …
... originally for use with the Harlequin but maybe used as well ... -
a harlequin keyboard option (+2a)Hi guys. Finally got around to this, I am using a keyboard from a +2a connected to my harlequin. [IMG]https://farm4.staticflickr.com/3932/1560029…
Hi guys.
Finally got around to this, I am using a keyboard from a +2a connected to my harlequin.
[IMG]https://farm4.staticflickr.com/3932/15600296661_323b6eee4d_k.jpg[/IMG] -
ZX Spectrum +2 (grey case) voltage converter circuit oddity.I'm working on repairing one of these and have encountered a possible problem and I'm not sure what I can best do about it, if anything needs to be d…
... I noticed that IC3 (serial and keypad port interfaces) becomes very warm ... leave IC3 out if the serial and keypad ports will not ... -
Harlequin keyboards / housingsI have about 20 or maybe more ZX Spectrum 48K's, which I'm planning to sell in separate parts (refurbished boards, ULA's and cases). Now I'm interes…
... /> Now I'm interested if Harlequin owners want a refurbished case ... -
joystick port for output ?just curious regarding the joystick ports on 8 bit machines. I just purchased something on the atari 8 bit.. but included in the box was a atari 8 …
... ST end is a MIDI port.
so got me ... a modified joystick interface or port -
important Harlequin modWhile searching for a better solution for avoiding undesired spikes that corrupt the screen RAM at Harlequin I found a final solution. No additional …
... corrupt the screen RAM at Harlequin I found a final solution ... realize these mods at every Harlequin PCB.
Greets Ingo ... -
Zx spectrum +2a aux portCould some one help me I have just got my self a zx spectrum +2a I had too put a new belt on the cassette but on the moutherboard the aux port is bro…
... on the moutherboard the aux port is broken by the person ... -
Mystery Port on ZX Spectrum 48k +Hi, I was wondering if anyone could help me with a little mystery? After I tripped over my first 48k +, and knocked out the joystick expansion, I…
... , there was a silver phono port and a 'stick' type silver ... it was an RCA video port (especially since it was so ... anyone here know what the port was for? -
ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
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3. There is no port FF currently. I'm not ... a link.
4. Port decoding is still 'redundant' (means ... . Yet some hacks added for port #7FFC to work correctly.
Harlequin clone maker, emulator writers: for ... -
Spectrum +2 (Gray) Serial/MIDI ConnectorHi Does anyone know where I can buy the Serial Connector for my +2. I'd prefer the US but at this point across the pond would do as well. Thanks Di…
Hi
Does anyone know where I can buy the Serial Connector for my +2. I'd prefer the US but at this point across the pond would do as well.
Thanks
Dick Berry
Albuquerque, NM USA -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... on 48k+ keyboard and read port EFFE (keys 6-0) I ... where is the program reading port as on some addresses it ... test program, which repeatedly reads port EFFE (on different addresses) and ... -
Serial comms - duzzit work?Has anyone ever successfully got two 128K Speccies (of any variant) to communicate with each other over the SERIAL / RS232 / MIDI / AUX ports? I can'…
Has anyone ever successfully got two 128K Speccies (of any variant) to communicate with each other over the SERIAL / RS232 / MIDI / AUX ports? I can't find any information or example code anywhere. -
ZX Spectrum+ Case Wanted.I recently bought one of Zaxon's Just Speccy 128k clones and am looking to give it a home inside a ZX Spectrum+ case. I've scoured eBay but it's very…
... not required though)
[5] Serial number on a white sticker ... the case under the expansion port.
I'm not ... -
My experience with a ZX Spectrum clone called Elwro 800 JuniorAfter a long break in using this forum (modellrailroading is my main hobby) I'm back and want to tell something about an interesting ZX Spectrum clon…
... EPROMS
- 1 x joystick port male DB9 (kempston compatible)
- 1 x printer port female DB37
- 1 x ... this one is clean). The serial number reveals that it was ... the original signals in RGB port. Together with provided RGB -> ... -
Sinclair or ZX Spectrum Serial Number ReferenceIs there a definitive serial number reference for ZX Spectrum production, or more generally Sinclair ZX computers (ZX80, ZX81, ...) ? I have been …
Is there a definitive serial number reference for ZX Spectrum ... /comp.sys.sinclair/spectrum-revisions-serial-numbers/1227488"]Spectrum revisions & ... -
SuperFo Harlequin crashes on EnterHello there, I currently have a SuperFo Harlequin at hand which suffers a crash/freeze each time I try to enter a line in basic. Doesn't matter if …
... /> I currently have a SuperFo Harlequin at hand which suffers a ... -
What serial number would the 1,000,000th Spectrum have?Assuming 001-999999 is the 999,999th Spectrum, what serial number would the 1,000,000th Spectrum have? My guess would be 002-000001 but I could be…
Assuming 001-999999 is the 999,999th Spectrum, what serial number would the 1,000,000th Spectrum have?
My guess would be 002-000001 but I could be wrong? -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... 232 Serial Ports (56k Max)
1 x Parallel Port
Serial Connection
LOAD * "Filename" ... (?)
- Main FDD/IDE/Serial routines
- Checks for ... 2(hdd);s1/2(serial)
- serial 56Kbps support for both ... -
Original on ZX Spectrum - better port on other platformAlong similar lines as [url="http://www.worldofspectrum.org/forums/discussion/51238/clones-that-you-like-more-than-the-original"]this recent thread[/…
... ), but where you like a port of that game on another ... better? And of course: which port, and why?
I ... Spectrum version better than sloppy port to other platform). So this ... do a quick & dirty port). And perhaps added extra's ... -
So, where exactly can I buy a Harlequin?I've looked far and wide but cannot seem to find where to buy one of the Harlequin based "clones". Even an unpopulated motherboard would be a start.…
... to buy one of the Harlequin based "clones". Even an unpopulated ... an NTSC user...has the Harlequin had much success on this ... -
No serial numberI recently bought a 1982 issue 2 spectrum which I believe is a 16k upgraded to 48k. There is no serial number on the case. Does anyone know why th…
I recently bought a 1982 issue 2 spectrum which I believe is a 16k upgraded to 48k.
There is no serial number on the case. Does anyone know why this is?
Thanks Paul -
Superfo Harlequin Rev D Documentation wantedI have a Rev D Superfo Harlequin PCB. I would like the documentation (schematic and board layout files), but I get a [b]Not Found[/b] error when I cl…
... have a Rev D Superfo Harlequin PCB. I would like the ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html).
Does ... -
Harlequin Rev. G - error of labels at J16Hi, a German user found an error at Harlequin Rev.G board regarding the labels of J16. The labels of -5V and +12V are interchanged! That could be …
... user found an error at Harlequin Rev.G board regarding the ... -
Harlequin REV F to REV G upgradeHi guys i have a Harlequin REV F board and noticed its been updated to REV G with teh message of Error on J16 does anyone know what changes …
...
i have a Harlequin REV F board and noticed ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html
Thank ... -
Spectrum +2A floating bus portHi As I discovered in the past, Spectrum +2A (and probably +3) do have floating bus port. But it is not shown on all unused ports, only on some po…
... ) do have floating bus port. But it is not shown ... disabled (bit 5 of port 32765 set to 1), ... 0 set) if the port number has the following mask ... mean, starting from port 1, stepping 4, until port 4093
... does not have floating bus port, but it's incorrect.< ... -
Harlequin Rev. G - Composite video problem.What I'm about to describe I'm not experiencing it by myself, so the probable answer to any "have you tested this or that" question is no, I don't, b…
... />
They have built their Harlequin to specs, with correct face ... much better knowledge of the harlequin electronics has formed his opinion ... -
Kempston joystick - port MSB value?In a situation where let's say the kempston is being polled like this: LD BC,NN1F: IN A,(C), what is the 'correct' value of NN? 1. 00 2. FF 3. S…
... . This uses 00 as the port MSB and, well, isn't ... -
Opus Discovery with a HarlequinHi all I am getting a Harlequin and the 128k toaster rack mod but I have an opus discovery and a spectrum +, the + is dead so going to use the cas…
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I am getting a Harlequin and the 128k toaster rack ... use the case for the harlequin to live in but does ... the discovery 1 with the harlequin?
Thanks -
Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…
... have been listening on that port. My gut feeling is that ... output a value on said port number. Further examination of the ... from 1984 that listened on port $9f or could it be ...
