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New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... the youtube video and the voltages at the lower memory when ... -
Spectrum+ keyboard issueHi I have a spectrum+ (issue 4s board) where the 1-5 keys do not work. I have replaced the membrane and checked for continuity. I have also tested …
... . I have also tested the voltages compared to the other keys ... -
Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …
... unknown
0x0A8AA 0xD68E Level palette colours (5 bytes per level ...
0x13E00 0xD0FC Level colour palette (5 bytes per level)
ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
... of the board.
All voltages are present and correct except ...Modern day replacement powersupply for ZX 128kHi All Anyone got any links to a modern day replacement powersupply for ZX 128k. I don't mind lobbing off the end and installing my own barrel, just…
Hi All
Anyone got any links to a modern day replacement powersupply for ZX 128k. I don't mind lobbing off the end and installing my own barrel, just all the voltages to be correct.
Thanks as always
BSpectrum & ZX81 PSU Strange VoltagesHi all I've just refurbished my ZX spectrum PSU after i accidently broke one of the wires i soldered the joints to the PCB nicely and all seems to b…
Hi all
I've just refurbished my ZX spectrum PSU after i accidently broke one of the wires i soldered the joints to the PCB nicely and all seems to be well.
That was until i tried it on my multimeter... The speccy PSU is putting ...Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …
... not seem to be missing voltages I am afraid whatever killed ...Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
Hey Spectrum fans,
Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot - it would just display the black square in the middle and not initialise itself to the ...48k - Why Won't it Buzzzz?Hi WOS ;) I bought a load of Spectrum games off eBay and thrown in for good measure was a 48k 1984 Issue 6a circuit board that I was told was for sp…
... buzz'. So I took some voltages around the 7805 regulator and ... should be.
The voltages around the lower RAM ICs ...Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... />
I've checked the voltages are within specification coming from ...Chris Graham is back on ZXI am not sure whether somebody already posted these news or not, but after almost 12 years of inactivity, Chris Graham has done 2 new screens on ZX S…
... /zxscreen/size/2/border/0/palette/pulsar/mode/mix/type/standard ... /zxscreen/size/2/border/0/palette/pulsar/mode/mix/type/standard ...ZX-Art graphics updatesWe are gathering a large collection of in-game graphics on ZX-Art at the moment. The ultimate purpose would be to make an easily browsable online arc…
... /zxscreen/size/2/border/0/palette/pulsar/mode/mix/type/standard ... /zxscreen/size/2/border/0/palette/pulsar/mode/mix/type/standard ... /zxscreen/size/2/border/0/palette/pulsar/mode/mix/type/standard ...ZX81 internal RAM board?Just a quick question to Zorn (amongst others). What would the issues be with fitting one of Zorn's RAM boards into an unexpanded ZX81? Seems to me…
... generate and distribute the three voltages required by the 4116 chips ...Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …
... it to select between different voltages?
Also wouldn't ...Issue 1 oddityHello to everybody, I have a very first under my hands - a broken Issue 1. Apart from the classic "broken lower RAM" syndrome which will be easily t…
... , nothing goes into the LM1889. Voltages are correct, pin 3 (chroma ...Boomshine in SpecBASHere's a little game called "Boomshine": [url]http://www.k2xl.com/games/boomshine/[/url] It's a really nice, relaxing puzzle game about exploding b…
... blobs(f,7)=RND*360: PALETTE HSV f,blobs(f,7 ... ;=target AND wongame=0 THEN PALETTE HSV 0,180,255-palinc ... =1 THEN DEC palinc,4: PALETTE HSV 0,180,255-palinc ...Issue with Issue Two[img]https://dl.dropboxusercontent.com/u/25300140/Spectrum/Edited_ImageEasyImageEditor_20141111_84.jpg[/img] I'm working on an Issue Two that was sh…
... the picture above. The relevant voltages are -4.5, 4.9 ...Issue 3 ULA ProblemsI've been given an Issue 3 48k to fix. It was producing no video and no picture on the TV. The coil was buzzing so it was getting power and all the v…
... getting power and all the voltages tested OK, so I thought ...Which emulators support ULA+Tried ZX Spin 7.0, but its unstable. Tried to drag and drop .scr files onto it, but it comes out all wrong. Don't understand the TAP file that's sp…
Tried ZX Spin 7.0, but its unstable.
Tried to drag and drop .scr files onto it, but it comes out all wrong.
Don't understand the TAP file that's spewed out as a palette either.
Any ideas? Thanks in advance...I broke my 48k Speccy!!!!Hey guys, I am looking for some advice, I hope you can point me in the right direction. So, I went about replacing all the capacitors on my issue 4…
... . Totally corrupt.
The voltages on the lower ram are ... made no change to the voltages or display.
I ... now due to the weird voltages also.
Question.
voltages required for each cap? Or ...Original graphic adventureOK, lots of talk on the Monkey Island thread about an original graphic adventure for the Spectrum. Opening this thread so that we can discuss it here…
... ? Do we have a good palette for that (blue...) ? Medieval? Pirates ...Joytsick Interface damaged SpectrumHello All, Sob.. I am a plonker, I did the cardinal sin, I was testing a bunch of joystick interfaces that I got off ebay and one didn't have the ke…
... 's fine.
The voltages on the lower RAM are ...DivMMC Enjoy! Works on 3 of 4 48k Speccy's I own?Hey guys. I have a DivMMC Enjoy! Which is absolutely awesome! Love it to bits. It works perfect on three of my 48k Speccy's, but something isn't rig…
... is getting all the correct voltages/comms etc from the speccy ...ZX Spectrum+ video ? red on green problemThis is my first post on the forum, so let me introduce myself. I am retired for several years. For 30 years I have been a fan of the ZX Spectrum. I …
... /> I measured the power supply voltages at the relevant circuit points ... . All voltages are in line with service ...ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... operation. All expected power supply voltages present.
- Confirmed CPU /M1 ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... 32bit update changes to the palette system
HEX$ and BIN ...New[ish] loading screen for Dan DareI spent a little bit of time at [URL="http://zxart.ee/eng/mainpage/"]zxart.ee[/URL] over the weekend, and found a really interesting Dan Dare [URL="h…
... ://zxart.ee/zxscreen/border:0/palette:pulsar/mode:mix/type:standard ...TR4/TR5 replacementHi guys, I've got another Spectrum I'm working on now - an Issue 4S this time. When I originally got it, I powered it up and did the basic tests a…
... ?t=48605[/url]. Testing the voltages on the lower RAM IC ... /f6du3Ti.jpg[/url]
Voltages are still wrong on the ...SpecBAS Screen wipeAn old effect, but a good one - you'll need this file: [url]https://sites.google.com/site/pauldunn/moon.png[/url] to run this program. [code] 10 REM…
... LOAD "moon.png"
30 PALETTE COPY img,0,256 TO ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
Here's one I wrote just recently. I wanted to see if SpecBAS can handle a raycasting engine - which doesn't mean doom-style texture mapping (though I may try that later!) but a rather nice algorithm that matches nicely up with the old "3D Maze" games you ...
