-
List of Dual Format Disks, Spectrum/AmstradIs there a list of Dual Format Disks that have both Spectrum +3 and Amstrad CPC on the same Disk? I know of: G-Loc Lancelot MERCS Final Figh…
Is there a list of Dual Format Disks that have both Spectrum +3 and Amstrad CPC on the same Disk?
I know of:
G-Loc
Lancelot
MERCS
Final Fight
War in Middle Earth
Is there any more? -
Routines listHi everyone I'm looking for a complete list of Z80 routines (8252, 8859, 5633...) Does it exist? Thanks
Hi everyone
I'm looking for a complete list of Z80 routines (8252, 8859, 5633...)
Does it exist?
Thanks -
list of classic arcade games still not ported to zx-spectrumseeing that recently some developers were focusing on porting arcade games to zx-spectrum (like Rally-X, Kung Fu Master, etc.), perhaps would be a go…
... if we could create a list here of these games about ... -
Recapping parts list needed for +2a power supplyHello I've recently acquired a +2a power supply. It works, but given the age I'd like to do some preventative maintenance and refurbish it. Does a…
... anyone have a replacement parts list for recapping and any other ... -
Snap-in electrolytic capacitorsWhile trying to bring back to life an old PC I decided to change the caps from the board and the power supply. However, the power supply has two b…
... big HEC branded 470uF 200V capacitors which are the 'snap-in ... -
The best 100 Beeper and AY commercial games tunes list - where it is?There used to be separate lists for the best beeper and the best Ay commercial games tunes, no homebrews. 100 games listed in each list, both were on…
... . 100 games listed in each list, both were on the same ... -
Building a ZX Spectrum 3B, Looking for PartsAs the title says, I'm attempting to build a new ZX Spectrum, but I'm having some trouble locating all of the parts. Thus far, I've got all of t…
... , transistors, and most of the capacitors. So I'm pretty much ... for the coil... The parts list that I've been working ... />
Here's the parts list that I've been working ... -
Hidden 'LIST'I'm trying to look at and alter some of the character variables in the three parts of Journey's End, and have been reminded that when I break in and …
... when I break in and 'LIST', the listing is black on ... -
Lawtronics RGB Schematics ?Hi folks, I have a Lawtronics RGB interface which only half works with my Amstrad CTM 644 monitor. I believe the problem lies with one of the resist…
... :o.
I always thought capacitors were blue, chunky and cylindrical ... this regard, so with a list of reistsors and components, someone ... -
Silent low power serverLooks like my server has troubles with overheating again, both due to the failing case fans and stupid CPU frequency governor problems. Instead of fi…
... our house down due exploding capacitors and the like while I ... ...
As for ZXDS, list of favorites is on my ... todo list, as is deleting of the ... -
SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…
[QUOTE=RetroTechie;335848]
[list][*]Schematic should not be understood ... "how I did it"
[/LIst][/QUOTE]
Is there any ... 25 year old chips... And capacitors not in the drawing for ... -
SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…
... obvious ways to build it:[LIST]
[*]Connect everything using wires ... . In that case, place decoupling capacitors on that separate board
[/LIST]
[QUOTE]And capacitors not in the ... -
Speccy repairs?I've finally got round to testing all the various Spectrums that I seem to have accumulated over the years and discovered that "my" two machines (i.e…
[QUOTE=richl;472181]
[LIST=1]
[*]Seems to output ... have to twiddle the variable capacitors to the left of the ... -
Best tools, oscilloscope for ZX Spectrum repairHi, Since I'm a newbie in this area, I'd like to ask about the most appropriate tools for ZX Spectrum repair. For example I'd like to purchase an a…
... for ZX Spectrum repair:
[LIST=1]
[*]Knowledge (basic ... Z80's, IC sockets, Xtals, capacitors etc.
[*]Some very basic ... Often useful, rarely necessary
[/LIST]
So if you're ... Note that nowhere in above list is an oscilloscope. I've ... -
Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... you might want to try:[LIST]
[*]Check internal supply voltages ... flaky.
[*]Replace all electrolytic capacitors, and/or replace 7805 regulator ... as little as possible!
[/LIST]
--
[URL="http://bitcycle ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... . The specific characteristics of ceramic capacitors make them perfect for decoupling ... to eliminate C43 from the list of suspects indeed is replacing ... -
4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... by adding various low value capacitors between these signal lines and ... most of the different versions list the required hold time as ... -
48K and wavy lines.It seems all Spectrum related things are breaking here at casa de Don Pedro. After the problem with my old ZX81, I went over to my issue 2 ZX Spectru…
... a list of components to buy, and yes, all electrolytic capacitors and ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... the Spectrum Parts List. In my experience in optoelectronics, capacitors are usually ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... the Spectrum Parts List. In my experience in optoelectronics, capacitors are usually ... -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
Both capacitors are electriclay connected between the ... . As long as new good capacitors were fitted, they should not ... try these suggestions:
[LIST]
[*]clean the edge connector ... on the other side.
[/LIST]
Let us know how ... -
Keyboard has a life of its own?I just received a Spectrum+ Issue 4S, where I had to replace the MIC connector and I also did the Composite mod. So far it works just fine, but when …
... often caused by faulty electrolytic capacitors or dry solder joints.
list.
[I][B]Mark ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... especially ground and VCC - additional capacitors
- improved audio circuitry, trigger ... be worth to join the list of orderer to lower production ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... especially ground and VCC - additional capacitors
- improved audio circuitry, trigger ... be worth to join the list of orderer to lower production ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... especially ground and VCC - additional capacitors
- improved audio circuitry, trigger ... be worth to join the list of orderer to lower production ... -
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... logical way.
[LIST=1]
[*]What test gear ... parts do you have (resistors, capacitors, transistors, diodes etc)? None / a ... wide and varied stock?
[/LIST]
To answer to some ... -
Old homemade hardware?Hey there, I've been given a bunch of ZX Spectrum stuff, I've mostly fixed the computer, just need a membrane. But what I was wondering is that there…
... /> Possible causes include:
[LIST]
[*]Program not loading correctly ... top 32k) DRAM fault.
[/LIST]
[QUOTE=Clym5;720060]I ... money renewing the old electrolytic capacitors :wink:
I suggest ... -
Parts listAre there any list of parts - caps, resitors, transistors etc. - for Spectrum motherboard revisions. Im thinking I may need to replace te electrolyt…
... cap codes list later today.
Yes degrading capacitors are a ... -
Parts listAre there any list of parts - caps, resitors, transistors etc. - for Spectrum motherboard revisions. Im thinking I may need to replace te electrolyt…
Okay, here is a list of capacitors that I recently bought ... The top section lists capacitors used in 16k/48k ... The bottom section lists capacitors that I ordered for ...
Other useful capacitors
[FONT=Liberation Serif][URL ... -
Parts listAre there any list of parts - caps, resitors, transistors etc. - for Spectrum motherboard revisions. Im thinking I may need to replace te electrolyt…
... Okay, here is a list of capacitors that I recently bought ... The top section lists capacitors used in 16k/48k ... The bottom section lists capacitors that I ordered for ...
Other useful capacitors
[FONT=Liberation Serif][URL ...
