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Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
And another one!
Issue 1, serial #001-010556
Z80: ...
16K RAM: NEC D416C-3 8210/8212
ULA: 5C102E ... #020-964095 rubber key
Issue 3B 8411
Z80: SGS ... />
serial #116-258237 Spectrum+
Issue 3B
Z80: NEC D780C ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... by Ian Beardsmore from Your Spectrum issue 7, September 84.
add a, 3 ; take account of streams -3 to -1
add a ... /> and %00011000 ; mask off bit 3-4
ld d, a ... ; four bits
rlca ; leaving 3-0
rlca ; empty
Hardware and software on ebayPicked up a few issue 1's and i found an issue 2 with them so put it on ebay. Not like any issue 2 i've ever seen [url]http://cgi.ebay.co.uk/ws/eBay…
... ,
I've sold 3 spectrums privately in excess of ... were all Mint like new issue 1's.
I didn ... />
I just love the spectrum and have done since programming ...ZX Setup QuestionsHi guys! I have been reading around the forums and love what is goin on. Anyways I just got my first ZX Spectrum (16k, rubber keys, boxed and compl…
... voltmeter and read a solid 3.008 VDC off of the ... ZX factory stamp on my spectrum, I now know that in ... hands I hold an an Issue 1 :) My girlfriend is so damned ...Stereo sound board finally available[IMG]http://www.benophetinternet.nl/hobby/vanmezelf/IMG_9886b.JPG[/IMG] I just finished some of the new stereo audio boards and also a complete manu…
... ]has anyone tried this in +3 ?[/QUOTE]
I ... with info for the ZX Spectrum +3.
[URL="http://www ... mono or channel is on 1 side depending on Hz ... etc ? or 2 channels 1 side etc?
... does it fix the +3 sound distortion issue ... I'd be ...Various software & hardware for sale.After having a sort out in the loft I've discovered a few things to get rid of: [SIZE="1"]SINGLE CASSETTE SIZE CASES. (all with inlays and instructi…
... large instruction book)
spectrum sports pack - paxman
issue 1+2 magazine
a ... input - issue 1
input - issue 2
input - issue 3
alba ...
[SIZE="1"]48K Sinclair ZX Spectrum (with power supply, TV ...Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... d been using an Issue 4 Spectrum+ in some tests. ... It does appear the Issue 2 Spectrum went through a number ... done away with after Issue 1, but it clearly wasn ... ULA on the Issue 2 Spectrum I have been ... working on is as shown in the Issue 3 ...Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... on my desk a nice issue 2 Spectrum +3. I'm not sure ... board says it's an issue 2. Does this need the ... this the issue 2 +3?[/QUOTE]
Both Issue 1 an Issue 2 motherboards have ... the floating bus on your +3 then yes... if not no ...Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... " the circuit in the +3 to the +2B design [ ... ://alistairsserver.no-ip.org/public/spectrum/+3sound/[/url]
3 to sound like it ... tried this on a previous issue 1, but it still did ... as the original, messed up +3 design.
...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... /****************************************
sp1 Sprite Demo 1
A simple demo ... sprtbl[] = {
{0,128,88,1,1}, {0,128,120,2,0 ... },
{0,96,56,1,1}, {0,160,88,2,0 ... .
uchar levelb[32*24*3];
// Refresh ...Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…
... out is detailed in the "Spectrum Hardware Manual" by Adrian Dickens ... the upgrades to the Issue 2 and 3 boards. This thread is ... plug in daughterboard for the Issue 1 model.Spectrum in black TS1500 case with grey "Sinclair ZX Spectrum" labelAt the Spectrum30 event yesterday, someone had brought a Spectrum like object with an unusual case and I never did find out whose it was or where it …
... the Sept/Oct 1983 issue Vol 3 No 5, which contains ... hands on a ts2000 spectrum for most of that ... can read a page from issue 3 online:
[ ... an article on the UK spectrum -- I got a chuckle ... br />
Vol 1 Issue 1 of Timex Sinclair User has ...Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... SP80 2 x 32KB)
Issue 1
ULA Datecode 8214
3 Elite keyboard, could have been ... am the longest serving ZX Spectrum user?Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
... add context:
On early issue boards that used the ULA5C102 ... same problem?).
Then on issue 3 boards, this transistor is included ... a number of other mods/corrections to the issue 1 PCB's.
Odd +2 / +2A cassette differencesUnless its just me... The cassette player keys, the icons are on the keys themselves on a grey +2 On a black +2A the keys are blank and the icons a…
... /> Spectrum Issue 1 ...... Spectrum +2 (Grey)
Spectrum Issue 2+...... Spectrum +2A (Black)
Spectrum+ ................ Spectrum +3
Spectrum 128K+ ......... Spectrum +2B ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... /> COMPUTERS
--------------------------------------------------------------------------------
1/+1 - ZX Spectrum(issue 1-2/3-6) 6 - Scorpion ZS256 ... 128/+
3/+3 - ZX Spectrum +2a,+2b/+3 8 - Pentagon ...16k --> 48kI bought a zx and found out it was a 16k since when I execute PRINT PEEK 23733 I get 127 Does it mean I get a lesser model? What limitations do I h…
... . Assuming it's not an issue 1, the upper RAM, if present ... be present for a 48K Spectrum to work as such. IC26 ... under the heatsink if the Spectrum is an issue 3 or later.What kind of Spectrum year was 2012 for you?2012 was for me a low Spectrum year, I coded just 1 game and that was only during the Spectrumdays in Cambridge. So on Spectrumfront it was low, but…
... try my 32K issue 1 ram board in my 16K issue 1 spectrum. To my ... proud owner of a 48K issue 1 spectrum (and 8 other 48K spectrums ... and 2 toastracks and 3 grey +2's and a ... +3 and tons of clones from ...A new site for an old projectThe 'Interface 1bis' project site has been moved to: [url]https://sites.google.com/site/interface1bis/[/url] In fact, it's not only a simple relocati…
... 16k and Spectrum+ models and is tested with both issue 3 and 4 ... original Sinclair Research supply, rated 1.4A at 9V DC.
Spectrum computers, as there are no ... for use with Sinclair ZX Spectrum 48k, issue 3 and 4 machines only ...DK'Tronics Dual Sticks and Up/DownIs there a know issue with the DK'Tronics dual port joystick interface - the one that supports Kempston and Sinclair #1 (6..0)? I vaguely remember a…
... /down on the Sinclair 1(6-0) port. ... the interface on my +3 Spectrum. It seems not to ... good connection with my +3. I tried both ports ... speccy which has an issue 2 board. Plugged it ... UP = 8(on +3 port 1 this is 9)
... DOWN = 9(again +3 port 1 this is 8, so ...Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... 1988 128k GC12096 E026A issue 2
Spectrum +3 1988 128k unknown
ZX Interface 1 1983 AT ... -0003094
ZX Interface 1 1983 D1 04-141204
The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…
... />
I use Spectrum + and +3, with joystick and divIDE interfaces ... fine in the +3.
For the Spectrum +, I myself ... my three Spectrum + machines or my +2B & +3 {although I ... former rubber key (issue 3), my ebay bought issue 1 (again no longer ...Calling all Spanish +3 owners...Please see [URL="http://www.worldofspectrum.org/forums/showpost.php?p=693601&postcount=40"]this post[/URL] Could my search for photographic evidence…
... sound mods. Anyhoo, what i find strange is that the Issue 1 board ... has a higher part number than the Issue 2 ... +3 is the Z70830 and there is an ISSUE 1 and an ISSUE 2 ... appears to be the Z70835 ISSUE 1, (C)1988+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
I just done the +3 sound fix mentioned at [url] ... /public/spectrum/+3sound/[/url]
I had a spare issue 1 motherboard ... still had my working +3 with an issue 2 board.
3 (and cleaning up my mess ...Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... don't have a separate 'Issue 1 or 2 48K' machine (although ... though this is the 48K Spectrum we're talking about, and ... , my suggestion is to offer 3 model choices ("TK90X", "TK90X+" and ... Option "TK90X" enables "TK90X model 1" behavior, using "tk90x1.rom", and ...Spectrum Motherboard ModelsHi, Is there documentation anywhere which details the various motherboard revisions on the +2 and +3? Best wishes Peter Jones
... ://alistairsserver.no-ip.org/public/spectrum/amstradmods/[/url]
... the ones for the +3 are on there as I ... have currently:
[QUOTE]
ISSUE 1
[LIST]
[*] ... 100pF
[/LIST]
ISSUE 4
[LIST]
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... repaired last year, and a +3 I bought from DataServe Retro ... I bought a non-working Spectrum for cheap on eBay. I ... 's actually a cosmetically perfect Issue 1 16k model with as-new ...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…
... I have switched the spectrum on and off a ... more stripes than (1.) again static, and 3. A yellow ... br />
Pattern 1: [URL]http://www.freeimagehosting. ... jpg[/URL]
Pattern 3: [URL]http://www. ... RAM on a unexpanded issue 1 board) is working, ...At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…
...
powerpack tapes
3,4,12,14,18,39 ... max/Zx spectrum - gift from the gods - ace mag issue 1
psi ...
tusker - system 3, 1989
myth - system 3, 1989
nemesis ... software, 1990
total ecplise 1/2 - incentive, 1989
...ULAs interchangeable across issuesHi all, Now that I'm retired, I'm looking again at 8 bit computing :) I'm attempting to revive a spectrum 48K. I'm going to swap chips in/out from…
... point to note - issue 4A boards and above ... 's can be used on issue 1/2/3 boards.
The transistor mod on issue 2 machines (and incorporated onto ... of an effect on a Spectrum without any peripherals.
... 6 ULA on a Issue 4A and above machine ...
