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Whites are yellow - 48k Issue 2I have a 48k issue 2 that appears to be working fine. I've replaced all but 2 of the electrolytic caps (mostly because the 2 were not in stock at my…
I have a 48k issue 2 that appears to be working fine. I ... steps I've read list as the fix for yellow screen ... -
Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…
... out, because my Beta-Disk 48k was upgraded to
Vision ... GUI with ROM-size 16k.
Someone have an ... to Diskette.
(Yes, 16k size, as I´m not sure where ... -
Display bandsHi all, I'm busy working on an issue 3 16k Spectrum I picked up on eBay. I've upped it to 48k and put a new membrane in. I noticed the display was…
... /> I'm busy working on an issue 3 16k Spectrum I picked ... . I've upped it to 48k and put a new membrane ... with replacing the LM1889 but as it's mounted directly on ... -
48K colour issuesGentlemen, A friend handed me over a number of 48K machines to service, and among these there are four of them with various flavours of colour iss…
... me over a number of 48K machines to service, and among ... . I hate fixing colour issues as this always feels like shooting ... swapped it with a known working specimen the problem stayed the ... either). Another one switches on as b/w, then colors come ... -
ZX Printer spares and partial paper roll - Wanted Motherboard for Spectrum 48K+The back of the printer is missing, and as you can see the lead going into the connector has seen better days. Perhaps this could be of use to someon…
... the printer is missing, and as you can see the lead ... to someone for spares, or as a project. I'd estimate ... /> I'm really after a working spectrum 48K+ motherboard, so I could ... -
Non working IF 1 and Microdrive for museum exhibition display also working SpectrumAs said above, I am looking for an Interface 1 and a Microdrive unit (plus one microdrive) for a exhibition display. it need not work but should be i…
As said above, I am looking ... look like its being used as a hockey puck). This will ... after a cheap working Spectrum (any model but 48K or plus prefered ... -
12V Rail - Spectrum 48kOkay - I may just be having a senior moment here, but I'm running out of ideas. I'm working on a Spectrum Issue 4S board,and have had to remove al…
... ideas.
I'm working on a Spectrum Issue 4S ... had to remove all the 16k RAM chips and work on ... and TR5 (C2236 and A733 as originally fitted), replaced D15 (BA157 ... the rail there was 12V as expected.
Has anyone ... -
How R@RE was the 16k Speccy?I'm curious about the ratio of 16K to 48K models sold - the 16K seems to be a pretty rare beast these days. All the people I knew who had 16K Speccys…
... the ratio of 16K to 48K models sold - the 16K seems to be ... people I knew who had 16K Speccys either upgraded it, bought ... short space of time. As decent 16K software was quite thin on ... />
When was the 16K model discontinued as well?
Lee -
48k Speccy died, resistors getting too hot to touchHi folks, With 2 days to go till an exhibition my trusty dual-boot 48K issue 3b that I made last year has given up the ghost and I'm not sure I ha…
... exhibition my trusty dual-boot 48K issue 3b that I made ... a shame as I'd JUST got RS232 downloads working and was ... -
A focus on old TVs for 48k spectrums The old 48k Spectrum is becoming harder to use "display wise" in its original state. This thread is about retaining originality and not going down …
... But this is becoming harder as the old televisions sets are ... to be to find a working old TV Most likely ,when ... fine tune it to a 48k Spectrum so that it ... easy to tune to a 48K Spectrum without the said remote ... to unite then with a 48k ZX Spectrum to get ... -
Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…
... for arcade pinball games as well as writing new software for ... lifetime and have been working on a clone pcb ... got a rubber keyed 48k, i always thought one ...
The board is now working lovely, has been a major ...
• 8 pages of 16k ram 128k total
• ... -
Getting a +3 working again (keyboard & tape socket issues)So, as part of my Spectrum restoration project I will also try to tackle the problem child among my fleet, the +3. PROBLEM ONE: Ever since I firs…
... /> The right arrow key works, as do the full stop and ... Caps Shift plus a non-working key.
Because the ... to load from tape in 48K mode (because I can't ... that is pretty much cosmetic as it won't interpret any ... sound coming into it as a valid call to ... -
Issues with Spectrum 48K on SCART input of LCD displaysHi *! I'm new to the forums, but not new to ZX Spectrum. I have bought a ZX Spectrum 48K in 1983 and own it since. It was stored some 20+ years on…
... have bought a ZX Spectrum 48K in 1983 and own it ... one. The machine is completely working now. Tape loading, playing all ... the CRT.
But as I want to get rid ... -
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…
... , as the title says my ZX Spectrum+ is showing only 16K of ... RAM instead of 48K when running a ... +, and not of an original 16K Spectrum.
That same page ... -
Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... a 16K Issue 2 Speccy from eBay. It was sold as not working ... work needed before it's working again. I did some measurements ... out that TR4 was not working. Today I replaced the original ... needed - everything seemed to be working perfectly. Then however I noticed ... -
48k packed up after cap changeHi all, I'm relatively new to the Sinclair world, my 8-bit repairs in past was lurking in the dark sides of Acorn, Amstrad and Commodore! I've got…
... 've got 4 48k models, an original case 48k issue 3, and ... ULA from a known good 48k made no difference. I may ... were given to me in working order, all three showed signs ... the resistance and transistor checks as shown on the Joulespercoulomb/zx ... -
Opus Discovery not WorkingHello hope you can help, or if this thread goes well that you also find the answers you are looking for... I have an Opus discovery that does not …
... have struggled to read as it meanders around ... /> I have attached a working 48k machine to it and if ... I classify the Spectrum as working due to the fact ... little different but still not working
... br /> In that regard, as the spectrum I plugged in ... -
Faulty as sprctrumsHi guys I have just received a dk tonics keyboard and to my surprise there is an issue 6 as spectrum inside and an interface 1 yay me but I am ge…
... there is an issue 6 as spectrum inside and an interface ... quick I am to take as tr4/5 to be replaced ...
And lookimg as my old issue 3 I ... originaly a 16k one which has been upgraded to 48k with the ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... and have finally got it working.
My utility ... including restoring all the registers as defined in the z80 ... few more if they are 16k ones. I use my ... loading from tape in 48k basic, now working. It's not ... disk :-) I did that as I find it easier to ... -
Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... bank 7 to get this working and move it to the ... type
║ 1: force 16k. Clears top 2 memory banks ... in upper
║ memory for 16k games. Helps reduce snapshot compressed ... . For 128k snapshots as this is default for 48k.
║ Only ... -
Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…
... interesting an issue 2 16k ZX Spectrum board. The ... . Described by the seller as for spares or repairs, ... the the variable resistors as they had been badly ... border. Although still not working, it was an improvement ... 48k also, but not sure as I don't own a 16k ... -
48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …
I have 48K issue 2 board (I've ... faulty, or a 16K (it isn't a 16K).
carrying ... just put both lines in as a short programme and ran ...
I read this as faults with
bit ... only in the upper RAM as it will actually boot and ... -
Batman the Movie - 48k TAPHello Everyone, Just wondering if anyone has a working 48k Batman the Movie TAP file. Game as per the below:- https://worldofspectrum.org/archi…
... has a working 48k Batman the Movie TAP file. Game as per the ... fancy a go on my 48k+ but its no fun without ... -
Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... Spectrum 48K. It was for a text/graphic adventure I'm working ... -
Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…
... When it boots, the lower 16k works fine. I have ... 127 if it were a 16k)
PRINT ... be 32767 for 16K, or 65535 for 48K. But I tried ... results were the same as my working Spectrum+. Then again, I ... at 65500 with "done", same as my Spectrum +
Arcade Classics (Silverbird) 1988 This is a compilation game I saw for sale on Ebay recently which had four old Antics classic games on it ;- 1) Space Invaders 16K 2) Galaxians 16K …
... ;- 1) Space Invaders 16K 2) Galaxians 16K 3) Combat Zone and ...
I was then intrigued as to how to use this ... editor and saved a working TZX of the rest ... probably because it was a 48k game ( so I had ... Spectaculator (not sure) but as this was not something I ...Spectrum board Issue numbersWhilst cataloging my spectrums I am documenting the issue numbers of the motherboards. so far I have (all spectrum or smegtrum + Issue TWO 3 3B …
... only ever 16k and you could only upgrade to 48k with the ... expansion (other people made them as well thought) therefore are the ... rarer in good condition, and working!TZX in ROM...Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM? [ This Message was edited by: klingler on 2004-07-0…
... this. It is built as a standard IO interface and ... 7 seconds to load a 48K game into memory. Multiloaders ... for me to built them as well. I just like ...
Right now I am working on a combined interface with ... the interface and the upper 16K to hold an altered ...
