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ZX Spectrum border and sound problemAfter recap stange problem with ZX Spectrum (issue 3b) with sound and border. See video at: [url="https://drive.google.com/file/d/0BwhYHKW6xjI-aVdMcE…
... old caps and same thing. Upper 32KB is removed, when install ... upper 32KB same thing except the ... was replaced ULA, CPU, ROM, RAM, (same thing with original and ... -
ZX Spectrum border and sound problemAfter recap stange problem with ZX Spectrum (issue 3b) with sound and border. See video at: https://drive.google.com/file/d/0BwhYHKW6xjI-aVdMcEY4ajVk…
... old caps and same thing. Upper 32KB is removed, when install ... upper 32KB same thing except the ... was replaced ULA, CPU, ROM, RAM, (same thing with original and ... -
RAM questionI've been meaning to upgrade my desktop pc's ram for ages now as the 4GB it has isn't cutting it anymore but im confused about what ram my motherboar…
... my desktop pc's ram for ages now as ... but im confused about what ram my motherboard will support.< ...
The motherboard has 4 ram slots 1 taken by the ... i dont know what ram is compatible and what ...
in its ram section for the motherboard but ... -
ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…
... years.
Of course, maybe ram pack is faulty, but it ... -
British Airways Systems Failure.So unless you have been living under a rock for the past 24 hours, you will have learned that British Airways (BA) have had a major IT systems failur…
... had a major IT systems failure. Publicly they are saying they ... , they site a power supply failure as the root cause. If ... -
48k Speccy with Ram Turbo, Dust Cover and a couple of games!I'm selling one of my Spectrums on Ebay, and along with it a dust cover, a Ram Turbo Interface for cartridges and joysticks and a couple of Codemaste…
... it a dust cover, a Ram Turbo Interface for cartridges and ... -
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] -
Tutorial: Using UDGs in SpecBASSpecBAS is capable of using graphics mode, in a similar manner to the original Spectrum. Like most things though, the extended nature of SPecBAS's ab…
... have a corresponding graphic, both upper and lowercase can be used ... the 256 characters, takes up 16Kb of space - where the speccy ... -
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 ... -
Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... the 2 previously replaced lower ram IC's as suspected faulty ... time everything past tests, lower, upper, and multiplex IC's. Great ... started working, and the lower ram test reported IC13 as suspected ... ceramic disc capacitors around the upper/lower ram IC's. I know ... -
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 -
Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…
... working on building a shadow RAM ( 16K dual-ported memory ) that ... ( or, potentially, replace the lower 16kb entirely, but that's the ... -
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 ...
