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ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…
... + is showing only 16K of RAM instead of 48K when running ... how to identify the faulty RAM chip, but I seriously have ... -
Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... also suspect there is a RAM fault but how can I ... -
The Crystal MazeDear WOS, I thought about conceptualising a Speccy game based on the classic 1990s game show "The Crystal Maze", which has recently returned to TV…
... locked in if a predetermined failure condition is met (run out ... to cram into 128K of RAM (given the scope of the ... -
Third-party ZX81 RAM packsOne of the things that's previously held me back from fishing for a ZX81 on eBay - other than "will the ULA on this machine sold as 'untested' be com…
... getting hold of a 16K RAM pack. Now, even back in ... of the existence of other RAM packs that weren't the ... (at least try to) eliminate RAM pack wobble, but then there ... time it had a working RAM pack I was [i]five ... -
MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!Direclty from my personal Sinclair collection that never end... ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable…
Direclty from my personal Sinclair collection that never end...
...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!
https://www.ebay.co.uk/itm/173022113295
Have a nice bid ;) -
Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…
Here is new utility for testing DivXXX ram memory:
[url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url] -
divIDE interface not workingA while ago I bought a divIDE interface for my two spectrums (one is a 48k rubber keyboard one, the other is a 48k Spectrum plus). Sadly I never actu…
... fixed, I replaced both upper and lower RAM with a new replacement ... -
sam coupe with external 1mb ramvelesofts site has snaper disks: https://velesoft.speccy.cz/sam_zx128.htm when you use masterdos to detect the external 1mb of ram interface th…
... detect the external 1mb of ram interface then the snaper emulator ... lets you select the fast ram and the zx spectrum game ... uses this ram above 32768 this gives you ... -
Sinclair 16k Ram pAck Issue3 schematicsHi guys, I am willing to repair a 16k ram pack for the ZX81 but I cannot find any schematic of the ISSUE 3 ram pack. I could only find a schematic…
... willing to repair a 16k ram pack for the ZX81 but ... schematic of the ISSUE 3 ram pack. I could only find ... and replace them with 8118 ram which requires only +5V. Problem ... desoldering one of the 4116 ram, I lifted the tiny little ... -
Modifying a speccy to +5v only operation.Just a thought experiment so far. Let's say i wanted to make a more resilient spectrum by getting rid of the DC-DC converter circuit. This would remo…
... from the speccy. The lower ram is easy to get around ... any expansion cards that use upper pin 22/23 (12v DC ... -
Success or FailureSuccess or Failure is here...the brand new Football Management game for the ZX Spectrum. Do you long back to the days when Football Management gam…
Success or Failure is here...the brand new ... -dg.itch.io/success-or-failure?secret=Ecw51hgF77f2xj5uuwAY9QBHOQ -
Success or Failure v2.0 - Danish GoldAs promised here is the files to be added on WOS for my game I finished last year :-) As there still isn't an upload script for new stuff or uMIA,…
... ]Full Title:[/b] Success or Failure
[b]Year:[/b] 2020 ... -
Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…
... , so replaced the lower 16K RAM chips, Amazed they just cost ... it mostly the RAM, or just passive component failure that takes out ... -
New Version of ZEsarUX v9.3 Beta 1 availableNew Version of ZEsarUX v9.3 Beta 1 available Downloads: [url="https://github.com/chernandezba/zesarux/releases/tag/9.3-25062021"]https://github.co…
... br /> Added Automatic Snapshots to RAM + Rewind feature
Added ... Added Jupiter Ace 51 KB RAM emulation
Added GUI ... disable boxes around lower and upper ZX Desktop Buttons
... tbblue port 123b behaviour: 48kb ram paging, shadow display, 3bit ... -
ZEsarUX 10.0ZEsarUX 10.0 is out! Download it from : https://github.com/chernandezba/zesarux/releases/tag/10.0 Changes: Version 10.0 - Clive Sinclair edi…
... features: Automatic Snapshots to RAM + Rewind feature, backwards ... /> Added Automatic Snapshots to RAM + Rewind feature
... snapshot-inram-load: Loads the RAM snapshot from position
... charset
-Allow customize upper buttons to actions
... -
Spectrum Abuse...Just got some new Spectrums in to repair ( I find it a great way to relieve stress, excepting when I do something daft while fixing them... ) One …
... had a faulty lower-16 ram chip... Replaced and it was ... top of the board. Both upper board tracks were completely missing ... , no through plating left, no upper pad, no tracks. And what ... -
Hard Drive failureWas greeted by this message the other day. I have tried everything but it refuses to boot up, looks like i'll need to get a new HD. Had to drag out…
... bit extreme for 1 component failure. Never swapped a hard drive ... -
Max RAM for ZX Spectrum gamesHow much RAM can be used for single level/whole game? On tape writing.
How much RAM can be used for single level/whole game?
On tape writing. -
PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…
... ; point to start of 16k RAM
LD B,A ; we ... /3 screens contained in the upper block of memory and then ... -
WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…
... 16K of RAM, and the processor with the upper 32K RAM and 16K ... -
TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…
... stack or UDGs are in upper memory, or assumes BASIC ... and the "OS RAM Routines" in lower RAM below the BASIC ... started much later in RAM, and why the maximum ... of free RAM was 38652 bytes, much ... less than Spectrum's free RAM.
Finding ... -
ObituaryYesterday my spectrum died :( Over 7 years of faithful service its finally gone to Silicon heaven. Rest in peace spectrum 48k+ Born sometime in 198…
Still, it *might* be that there's a power failure someplace... who knows, perhaps CPU, ULA, ROM and RAM are ok.
I suggest you don't dispose of it in ANY case, since it might come in handy for spares! -
Programing ROM CART from PCHave anybody tried to make a piece of hardware that would be able to program (burn) SINCLAIR cartridge from PC? In the sense, you take TAP or TZX and…
... cart into the spectrum's ram before starting the snap. Even ... that into the upper 48K of the spectrum's ram. This just ... -
helpHi, I am new to this forum. I have purchased a Speccy from ebay but I am having trouble getting any games to load. I dont really have much technical…
... has a fault in the upper 32k RAM, it will (95% of ... -
Can somebody help me with this?One of my "friends" shoved a piece of metal into the back of my spectrum (48k RAM) and now whenever I try to use it theres nothing but weird lines an…
... the most common cause of failure of the circuit - however, those ... memory faults - I find the upper 8 ICs (TMS4532 or OKI3732 ... 99% of the time an upper memory fault will not stop ... -
Spectrum problemHi I've just been trying to resurrect my 48k spectrum. I'm having some problems loading some of my games, but if it does completely load, it crashe…
... 16k of RAM. Which would leave us with the usual upper memory ... -
Fire Ruby - More HelpI cant pass the spikes in the fire ruby by lawrence creighton, can someone please help? [ This Message was edited by: welsh_brawler on 2003-08-08 21…
... 51
HAMM 52
RAM 53
EMPT 54
RAM SAVE RL...RAM LOAD{6}{6}{6 ... }{5}your search a dismal failure.{6}{6}{6}
Broken ZX Spectrum + (48k)Hi! I just got a ZX Spectrum + from a friend. He said it was working around 8 years ago when he put it into the cellar. It was in great condition - …
... something else.
upper/lower RAM faults are far more common ... often occur together (well, lower RAM & -5v anyway, for ... )
the lower ram can often *almost* work with ... an 'almost boot' - genuine lower RAM faults generally give rise to ...
