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Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... like me
3) And he added extra metal ... possible to use the 48k Spectrum because of space ... the case.
3) The double decking system used ... 4) The Big Red Power switch on the top is not ... fit a power on/off switch..
So this ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... fault . So I started so switch parts around between the various ... today using a ZX Spectrum 48k (Goldfinger3) and it was fine ... what to do with Goldfinger 3 . My thoughts at the moment ... it to an ordinary Speccy 48k case (after redoing the PCB ... -
How many interfaces can be paired up together (as a combo) on the Speccy's back edge connector?Well some would say none as it puts too much of a power strain on the Speccy's power supply . So ignoring this aspect the same question can be asked …
... . The original 48K Rubber keyed Spectrum had no reset switch
no ... with a reset switch was made.
no 3 You could add ... but a highly functional reset switch . The whole lot can be ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... it to fit to a 48k case and for this test ... disconnected . I change DIP switch no 3 on the Smart Card (for ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... the ones worth the Traco switch regulators and the ones that ... go . I already have tested 3 good ones and I know ... get my 5 for the Switch Regulator easily and the rest ... league" 48K Speccies will have gold plated edge connectors , Traco switch regulators ... -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... day on a plastic keyed 48k+.
Anyway the game ... pretty much not there, in 48k, or 128k...blip, blip, blip ... options available. You can even switch the side of the screen ... fine. Split the ball into 3 means extra destruction, keep them ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... />
Retroleum offers a MuRata switch mode regulators specified as being ... 2 and Issue 3 can have problems with Switch mode regulators . ... to affect Issues 2 and 3 Here is the link;
Switch-Mode-5v-Regulator-replaces-7805-for-ZX-Spectrum-48K-Issue ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... slightly differently. Assuming a 16k/48k ZX Spectrum, a ZX Spectrum ... ), (because the +2A, +2B and +3 already have a "all RAM ... on a +2A, +2B and +3 would be easier, as you ... the correct RAM bank, bank switch the RAM, and then transfer ... -
Clamping Speccy InterfacesThere are a huge number of broken Speccy interfaces available . I came across one on Ebay recently said to be "partly working" or similar .Why are th…
... spare hole) . So on 48k Speccies at least , the ...
So does that switch the balance of advantage to ... s desktop"
3) Often much cheaper
< ... pull off
3) Heat build up can still ... it work with a normal 48k case?
... -
Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... fitting, or another PSU. With 3, try blasting with a solvent ... cocktail stick soaked in Servisol switch cleaner hasn't improved that ... will test that the original 48K is working.
[quote ... -
Bomb Munchies - preview releaseBomb Munchies Preview release Version 12th Jan 2014 [URL=http://s979.photobucket.com/user/MatGubbins/media/bmsix_zpsc33279a2.gif.html][IMG]http://i…
... 2 press S
Player 3 press D
Player 4 ... only
- they will automatically switch to 4-way when selected ... . (Com-Con works with interface 48k, 128k, +2 grey only)
Remember to switch on the 8 way input ... -
The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... different than on a 48K. Whereas on a 48K Spectrum, the snow ... , because the 128K machine will switch between banks 0 and 7 ... ’re saying about the +2A/+3 yet. Will play around with ... -
Any reason to prefer the 48k version of a game over 128k?Title says all... are there any games for which it makes sense to play the 48k version if there is also a 128k version? To my understanding, the 128k…
... (provided it's compatible with 48k basic) will run faster on ... a 48K machine, or should I say ... run the same program in 48K mode on the same ... doesn't actually need to switch ROMs all that often anyway ... seems to present on the +3 as well, so any ... -
Keyboard reading questionOkay, here's a weird one. I have to elaborate a bit: In the 90s I coded quite a lot of stuff, but I haven't done so in 20 years. There was a hidde…
... , Issue 2 and 3 of the original Spectrum 48K will set some ... on an emulated Spectrum +2A/+3. It requires that you hold ... , M while pressing the reset switch (or while you’re in ... ]can[/i] detect 1, 2, 3, 4, and 5. So the ... -
What floppy disk drive system do you own AND use on your ZX Spectrum or compatible computer?What floppy disk drive system do you own AND use on your ZX Spectrum or compatible computer? By use, I mean you actually use it regularly (more th…
... plus a zx spectrum +3 with external 3.5 inch with etra ... fly lead for gotek and abba switch ... +d foe my zx harlequin 48k -
If Sinclair computers had not been sold...I was just having a random thought. If Sinclair Computers (or the rights to them, not sure how it 'worked' back then) had not been sold to Amstrad…
... Spectrum (as released)
[*]48k ZX Spectrum (as released)
switch, composite video output, support ... dropped)
[*]ZX Spectrum+3 (all the features of the ... CPU, with selectable operating speed: 3.5MHz or 6MHz)
... -
TZX/Taper headachesI've been doing a stocktake of all my Spectrum stuff, most of which I bought in a job lot a few years back, and there's a whole load of covertapes in…
... of emulator-speed-up-loading switch turned off. Sophistry, the sole ... on a +2B, even in 48K mode; the loading lines appear ... 's page on the +2A/+3 problems and it isn't ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... to transfer
-b1,2,3 use an alt mem location ... use the utility take any 48k Z80 snapshot and type:
3, copies the snapshot from tape ... which when run on a +3 saves the snapshot to disk ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... in the compressed snapshot. For 48k the strategy was as follows ... page/bank 5
6) Switch to special mode which has ... page/bank 5
5) Switch to special mode which has ... conversion
3: force 128k. Overide automatic 128k-48k conversion if extra ... -
+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... stable voltage. So in a 48K ZX Spectrum, this is the ... . [in a +2A, +2B, +3 or +3B, the voltage regulators ... chip. Why? Because although transistors switch very, very fast, they ... drops slightly. Because the transistors switch very fast, the resulting current ... -
+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... stable voltage. So in a 48K ZX Spectrum, this is the ... . [in a +2A, +2B, +3 or +3B, the voltage regulators ... chip. Why? Because although transistors switch very, very fast, they ... drops slightly. Because the transistors switch very fast, the resulting current ... -
Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…
... a PC) with a push switch attached.
Dave ... of Fuse ( a version about 3 years old) :-
... So this was with a 3-4 year old "small ... And the kit itself is 3-4 years old . But why ... from his review "ZX Spectrum 48k USB" (Issue 1352 , page ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... to compare with the lightweight switch ones . In fact this ... a PowerPax Suuply Unit a 48k Spectrum is quite a ... with you!)
3) New technology shows off different ... technology.
4) This "switch mode" technology has been around ... -
How many New Style "Speccy" PCBs are Made to Fit in an "old style" 48K Case? And what are their names? Most of them are produced in small batches so there could be quite a few small variations. Many of these are not produced…
... Full Sized in the Speccy 48k case and I think Tynesoft ... the importance of the reset switch . Also you have to be ... Fuse 3) Emulator use only ZXBaremulator and then the Mode switch options ... -
Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... Wood or Plastic
3) A slight difference in the ... br />
6) Key board switch variation - see type photos above ... the different type of keyboard switch used:-
[url=" ... scoping-out-a-zx-spectrum-48k-part-one"]robeesworld.com/blog ... -
Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…
... all you need is the 3.5 version of this USB ... up with a second hand 48k Speccy case but with a ... the link below shows the 3.4 version but its now ... put it in a Spectrum 48k rubber key case.If you ... also an optional keyboard mapping switch for a bit extra -these ... -
Bit of fun - one change onlyI also posted this on another marque's forum (for their products) to see. Its just a bit of fun really. OK, if you could of made one change to a S…
... design (or modification) to the 48k case so that heat generated ... key machine. Well on issue 3 boards onwards, the heatsink for ... ... The 'Interface 3' that added full 128k compatibility to 48k machines! :P ... :(
You can’t even switch out (bank/page) any of ... -
Need a new keyboard for Issue 2I've dug out my old Spectrum's today. My +3A and +2 grey are both working perfectly. However, my old early Issue 2 keyboard was replaced with a SA…
... I have one rubber key 48K Speccy with a supposed failed ... The Spectrum Plusses reset switch came in handy as I ... br /> 1) A reset switch , like the one on ... (I do not know)
3) Why did it not work ... Speccy ( I thought it would switch this out) ?
