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FS: MOSTEK 4116 DRAM for 48k SpeccysHi I have a bunch of Mostek 4116 DRAMs here for the 48k Speccy - fits in the lower 16k memory bank. They look like NOS unused, still in their origin…
Morcar's Selling or trading threadThinning out my collection so i can get more of what i want. If you want anything on here let me know and we can work out something. I am also up f…
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Make-a-Chip
Master Chess
Mind ...DivMMC with other components..Having transferred my loyalties from the IF1bis to the DivMMC, I have finally been able to spend some time trying to set mine up on my ZX Spectrum. I…
... 'base' one, without additional ROM chip or ROM slot, primarily because ...Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... membrane, or IC1 (the ULA chip).
I have since ... signs of a faulty ULA chip are. Are there any tests ... out to see if the chip is faulty?
Also ...RTC module for DIVIDE[IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_top.jpg[/IMG] [IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_bottom.jpg[/IMG] [IMG…
AFX Sound Effects DatabaseGentlemen, I'm converting some games from ColecoVision to MSX (sorry, not 100% ZX Spectrum related, but...) and in some cases, I'll need to completel…
... of noise on the SN chip, which is different than the ...ULA 6C001EX-7Last night I visited a friend of mine and had a look at the ULAs in his Spectrums. He has a 5C102E 8220 in a 16K issue one, a 5C112E 8237 in a 16K is…
... has different lettering on the chip than the 6C001E-6 and ...For trade or saleI got a load of games here that i wanted to either trade or sell a few. If you interested let me know and we can sort something out. A Question Of…
... with Leeper
Make-a-chip
Master Chess
Mind ...Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…
... the same timing information, sound chip, etc as the 128K/+2 ...Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... write to an external RAM chip, then using a spare ordinary ...My +3 is working! Here's how I did it...Hi all, To everyone who replied to my post a few weeks ago about my Spectrum +3 Fleebay chance buy not getting past the initial Amstrad copyright op…
... bigger 32 pin z80 labelled chip is fine (so far). So ...Interview with Zilog FoundersIt's almost eight years old now so maybe this has done the rounds once already, but in case you missed it: [url]http://archive.computerhistory.org/r…
... a designed instruction to improve chip yield. They had chosen a ...RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…
... RS232 interface on the AY chip.
I probably will ...Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... quad 2-input NAND gate chip; however it is not there ... least not usefully. The EXROM chip in the standard machine is ...DivMMC EnJOY! I do enjoy!!!!!Hi all! Ok, so I grew up in the UK in the 80?s and convinced my parents to buy a 48k Spectrum ?to help with homework? lol. Well now I am older and ha…
... told me that my Z80 chip was probably dead. So, I ... solder a riser under the chip so as to make it ... and push in the new chip. Power up and behold!!! DivMMC ...Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
... as "having a 64K chip." When I saw the ... noticed that the "64K chip" mentioned in the description is ... actually the ROM chip!
Does ... what a 64K ROM chip may be doing inside ... -WITH-THE-64K-ZX81-CHIP-AND-PLASTIC-KEYS-/181405799502? ...Sinclair 128k available?Hello there, Spectrum fans! Let me introduce myself. I am from Russia, my name is Dimitri. In the 90-s I was working for a firm producing ZX Spectru…
... lines). I knew the FPGA chip was responsible for the picture ... signal coming from the FPGA chip. TEA2000 does not produce any ...Near new condition 48k Spectrum for sale.I'm starting my spring cleaning with this. I have a Sinclair Spectrum 48k, bought many years ago but has had only about a week's use (at my then gir…
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2. There is an Alphacom 32 line printer still boxed ...New version Emulator ZEsarUX-1.0Hi I have uploaded a new version of my Spectrum/ZX80/ZX81 emulator. This is a major stable version, with real timing for all the models and with hi-…
... /> Fixed some bugs with AY Chip (high envelope frequency, tone& ...battlefield free 3 ;-)[url]https://www.origin.com/en-gb/store/free-games/on-the-house[/url] not played it.. but bet it's not as good as make-a-chip or don't buy this :)
[url]https://www.origin.com/en-gb/store/free-games/on-the-house[/url]
not played it.. but bet it's not as good as make-a-chip or don't buy this :)Bulk clearance - 100's of tapes to goHi guys, Some might remember me from my 1,200+ list I posted donkeys ago on here of tapes. Managed to sell a good few hundred but with a new baby th…
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Survival
Make-A-Chip
Gazza's Super Soccer ...Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
... I Would Also Need The Chip Supplied Which Cuts Down My ...Spectrum Spares in my Shop!Hi everybody, Excuse the spam please. :) I've update my Spares section of my shop here: [url]http://www.mutant-caterpillar.co.uk/shop/index.php?cPa…
... the usual stuff like RAM chip (lower 16K, upper 32K, all ...Great to be back....and with fun to comeHi all, 1982: I bought a new 16k issue 2 in 1982, eventually got microdrives and a dktronics keyboard (version 1). Built a home made eprom programme…
... ). Memory etc will be single chip etc. The pcb will fit ...Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…
... . I'd then know which chip was faulty.
Can ...QL add-ons valueI've gotten my hands on some QL accesoires: - 2x Trump card 2, only disk interface I think (there's no RAM on them) - 2x CARE Electronics cartridge, …
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... . Could I test the ULA chip in an Issue 3b or ...Upper Memory LinksI've got an 1982 Issue Two Spectrum 48k with an upper RAM fault. I've narrowed down the faulty IC and I'm in the process of removing the 8 IC's, sock…
... any links for voltage or chip type though before going any ...


