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Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…
... supply for my speccy (48k issue 2), and I was measuring ... -
ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... is inverted on the DivMMC board by a 74LVC1G14 Schmitt trigger ... on the ZX Spectrum 48K (issue 3)[/U]
The clock ... -
Ben Versteeg's September sales[COLOR="Blue"][B][SIZE="6"]Add-ons[/SIZE][/B][/COLOR] [IMG]http://benophetinternet.nl/hobby/vanmezelf/sales/line.jpg[/IMG] [IMG]http://benophetinter…
... ]48K ULA (different types for issue 2 and higher)[/B]
[B]ZX8401 / PCF1306P / 40058 (48K issue 6 and 128K model memory ... keyboard too
- Very small board, fits through mailbox: cheap postage ... -
Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …
... 'm using it on an issue 4B but also tried it ... .
ps.
My board has all old caps replaced ... -
JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …
... forth, and also select the number of any room you wish ... routine is copyright Your Spectrum issue 18.[/quote]
With ... -
ZX Spectrum problem, intermittent picture lossHi I'm trying to resurrect An issue two board spectrum, I did the composite bypass and managed to get the picture constant and steady after playing a…
... 'm trying to resurrect An issue two board spectrum, I did the ... ideas gratefully received.
The board is in a dk'tronics ... -
Issue 4S display improvementsHi all, I'd noticed that the display (via modded composite out) of the Issue 4S I repaired a while back (details [URL="http://www.worldofspectrum.or…
... modded composite out) of the Issue 4S I repaired a while ... -
128k+2 IssueI have been a Spectrum user for many a long year, currently using a Spectrum 48+, and have just had a 128+2 bought for me for my birthday (to recaptu…
... . Has anyone else had this issue and if so what can ... -
PowerSlave's Sinclair/Timex collectionNow that I cataloged all the items I have, it's time to show them :) Between bought and offered, my collection items are: - Sinclair Spectrum 128k…
... /> - Sinclair Spectrum 128k +3 (Issue 2) U106007
Working 99 ... />
- Sinclair Spectrum 48K (Issue 4B) 138-369877
Not ... />
- Sinclair Spectrum 48K (Issue 3B) P 068161
Working ... I think its a serial number :)
[IMG] ... -
Another odd +2 board - no composite video partsI was checking a stack of grey +2's, and found a board where the modulator was missing. First I thought that someone must have pulled it off to use o…
... +2's, and found a board where the modulator was missing ... -
ZX Spectrum Gamer issue 3 is out![IMG]http://img62.imageshack.us/img62/8456/s095.png[/IMG] Yes folks, I'm back from the dead and finally managed to squeeze out a third issue. Read …
[IMG]http://img62.imageshack.us/img62/8456/s095.png[/IMG]
Yes folks, I'm back from the dead and finally managed to squeeze out a third issue.
Read it over at [URL="http://www.sunteam.co.uk"]www.sunteam.co.uk[/URL] -
First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
... />
I have an Issue 2 board, that i wish to start ... all original. (Same with V3 board, but going to attempt this ... ) which shows for version 2 board capacitors. I have read other ... are soldered directly to the board, for testing later on I ... -
Quick fix for four joysticksHere's a quick modification to add four joysticks to any Speccy. This assumes you already have two Sinclair ports. [URL="http://joefish.co.uk/specc…
... a connection on the circuit board and bridged that to the ... IN 31 (or any other number where A3=0, But using ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... China. Here's my populated board along with an unpopulated PCB ... 8 PM's secure a board.
I accept payment ... -
I've had better nights...So I got a broken issue 2 today, case in good nick but the diags board showing multiple failures in both lower/upper RAM. Never mind, good as a spare…
... broken issue 2 today, case in good nick but the diags board ... them out in my socketed Issue 4A.
All went ... IC reports from the diags board and toss those chips straight ... ULA's only good for issue 1 and 2 machines.
Zx Spectrum+ Issue 6 yellow screenHi boys, recently i found a zx spectrum+ issue 6 that just turned on displays a screen with too much yellow exactly as in the picture below: [IMG]ht…
... i found a zx spectrum+ issue 6 that just turned on ... /> It seems that on the issue 6 is more difficult, right ...Last Chance to Get QL Today Last Issue and DVDLast chance to get your copy of the last ever issue of QL TODAY - [url]http://smsq.j-m-s.com/[/url] (orders must be placed by 19th November) - includ…
... copy of the last ever issue of QL TODAY - [url]http ...Ben Versteeg's November sales[COLOR="Blue"][B][SIZE="6"]Almost ready[/SIZE][/B][/COLOR] [IMG]http://benophetinternet.nl/hobby/vanmezelf/sales/line.jpg[/IMG] [IMG]http://benophet…
... keyboard too
- Very small board, fits through mailbox: cheap postage ... ]48K ULA (different types for issue 2 and higher)[/B]
[B]ZX8401 / PCF1306P / 40058 (48K issue 6 and 128K model memory ...Say a naughty word and Microsoft ban you!I thought this was a joke, but there's lots of people apparently going through it, some even posting about it on the official Xbox forums; [COLOR="b…
... dealing with the same issue. According to a number of them, they ...Destiny Mission, help with pokes fixing an issue?Yesterday I played the Demo from the Sinclair User tape, and I really liked the game although tthe background spoils a little the action (I happened …
... quite impressive game besides that issue, fast movements, good scroll, and ...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... to easily convert a binary number into BCD, from which it ... the binary representation of the number, plus one byte for each ... digits of the resulting number.
The number of BCD digits ... that gives us the integer number closer to the argument, greater ...Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... hands on a very nice Issue 3 16K, upgraded to 48K ... every time I reset the board. Behavior has become inconsistent.
ZX Spectrum and add-on temperaturesImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about temperatures he measured with a modern to…
... [/IMG]
ZX Spectrum issue two temperature from the outside ... ]
Here's the board with new regulator:
Issue 3B with the same new ...Wanted: Number PainterI'm after this title to fill a gap in my collection. [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0009149"]Number Painter[/URL] Anyone have…
I'm after this title to fill a gap in my collection.
[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0009149"]Number Painter[/URL]
Anyone have it for sale?Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... tonight while fixing a 48K issue 6 board.
The ... 4116 memory, and repowered the board and tested the voltages again ... instead became part of the board in later issues.
< ... the transistor present - and the board behaved perfectly (well, now with ..."Weird" Spectrum +3Hi folks. I've just dicovered that one of my +3's has an Issue 1 board, with all the mods that are mentioned on guesser's website - the other has (w…
... my +3's has an Issue 1 board, with all the mods ... assume is) the more common Issue 2 board.
But here ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... . The most interesting is the ISSUE 6A board... sometimes the vertical shadow ...Modifying port number on M128.Got an MF128 and want to change the page port number from 9F to 5F... I know i would have to change A7 to A6, but to which chip? A bit esoteric I k…
Got an MF128 and want to change the page port number from 9F to 5F... I know i would have to change A7 to A6, but to which chip?
A bit esoteric I know, but any ideas gratefully received.
-StaceyMy Boxed ZX Spectrum For Sale On EbayHi spec-chums. I have listed on Ebay a boxed ZX Spectrum which is a rubber key model. It is in a tatty condition but is all working. It would be a ni…
... . It has an early issue 2 board inside it which I believe ... /itm/Boxed-Sinclair-ZX-Spectrum-Issue-2-48k-Upgraded-All-working ... /itm/Boxed-Sinclair-ZX-Spectrum-Issue-2-48k-Upgraded-All-working ...Deterministic random number generatorI'm looking for a random number generator in assembly which, given a seed, the generated sequence is always the same. You change the seed, you get a …
I'm looking for a random number generator in assembly which, given a seed, the generated sequence is always the same. You change the seed, you get a different sequence, but same seed = same sequence.
Any pointers?
