-
yeah x 0.0.2first: [URL="http://www.yeah-unix.org/downloads/yeah_0.0.2.tar.gz"]the goods are at - http://www.yeah-unix.org/downloads/yeah_0.0.2.tar.gz[/URL] aft…
... not compiled & debugged]
- if1 rs232 device driver (115.200 ... -
Internal amp and signal cleaner for tape inHello! Is there known to work INTERNAL schematic which cleans signal from tape in and amplifies it. I need such thing so i can load from my smartpho…
... there known to work INTERNAL schematic which cleans signal from tape ... -
7805 on PlusD needed?I am planning a batch of PlusD interfaces. As I do not have a board design file (for e.g. Eagle), I am redesiging the PlusD schematic in Eagle myself…
ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... rebuilt it using the original schematic with LM1881 (which used 3 ...Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…
... help of Velesoft, using this schematic;
[IMG]http://i764 ...Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…
... level microdrive programming (without using IF1 ROM). I see one can ...80's car amplifierI wonder if any of you ever had the IQ-160 amplifier in your car back in the 80's: [URL]http://www.gjelberg.no/miscpics/iq160.jpg[/URL] It was quite…
... get my hands on a schematic for this one.Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
Have anyone photos, schematic, rom images, documentation, or software for Messenger interface ?
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=1000423[/url]Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... , the ROM itself combines the /ROMCS and /MREQ signals to form ... /MREQ must be combined externally. (/ROMCS is generated by the ULA ... must be generated by combining /ROMCS and /MREQ. This is done ... other words the product of /ROMCS + /MREQ.
4. Solder ...Currah microspeech schematics?Has anyone got details on the currah microspeech? I've found the ROM online and the manual is available but that seems to be about all. What I'm afte…
... I'm after is a schematic and details of how the ... try and work out the schematic. I've also been trying ...128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
Get a listing to .txtI am messing with an old Spectrum game which was written in Basic for the 48k Speccy (not compatible with 128s). I get an error in the begining of th…
... , I enabled ZX Printer and IF1. In the Communications tab I ...Some Capacitance Clarification =)I tried to get it in alliteration - sadly I failed. I am building a project at the moment based on Alessandro's ZX MMCSD and I have come across a no…
... ://www.zxbada.bbk.org/zxmmc/schematic/bom.txt"]view the BOM ...Lower Memory - Why Multiple Voltages?Having spent much of the weekend working on getting my old Spectrum working, my Dad (who is visiting) and I were chatting about the schematic. Given…
... I were chatting about the schematic.
Given that the ...Does anyone have the Beta 128 schematics?Hi. I was just wondering if any of you had schematics for a standalone version of the Beta 128 interface? I've looked at the schematics of the Pent…
... helpful combined with the Betadisk schematic on WOS.More schematic errorsWhile working on an article for the faq wiki I've located another error on my +2A/+3 schematics which I've now put right, but I have a problem. I ha…
While working on an article for the faq wiki I've located another error on my +2A/+3 schematics which I've now put right, but I have a problem.
I have a question about the +2B board which I can't probe since I don't have one. Is anyone up for ...Toastrack not recognising an IF1What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a M…
What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a MF128, all the nmi does is reset it. M1 line?Home built Eprom ProgrammerHi all, Thought I'd bring up this old subject once again.............I built a home made Eprom Programmer for use with my ZX Spectrum back in the 80…
... across it, and possibly the schematic diagram I sold with it ...ZX Breakout availabilityOK - after much procrastination, this board is now available! Details on the board are here: - [url]http://spectrum.alioth.net/doc/index.php/ZX_Bre…
... ), a 3.3v regulator and ROMCS mechanism.
[b]Errata ... cockup on my behalf, the ROMCS circuit is wrong for the ... . If you don't need ROMCS on a +3, then just ... 've not tested anything. The ROMCS circuit works fine with a ...+2 / +3 PSU Scematic...Hi all, Does the schematic / circuit diagram exist for the +2 / +3 PSU anywhere online ? Cheers. Phill.
Hi all,
Does the schematic / circuit diagram exist for the +2 / +3 PSU anywhere online ?
Cheers.
Phill.The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... , downloaded a +D corrected schematic (The disciple schematic is missing severals pin ... />
I'm building the schematic and will post it soon ...+2 (Grey) and AT/ATX PSUAny ideas on the best way to power a grey +2 board from an AT or ATX PSU? Looking at the schematic, I could do this one of two ways... 1: Bypass th…
... ?
Looking at the schematic, I could do this one ...ZX Spectrum and Interface 1 microdrive connectorsI think the following is correct: IF1 microdrive connectors are 8pin (slot 3 notched) 2.54mm pitch and Speccy Expansion Bus is 28 pin (position …
... is correct:
IF1 microdrive connectors are 8pin (slot ... microdrive cable ... I've a IF1 + microdrive heading my way, and ...Sixword SwiftdiskI just got hold of a Sixword Swiftdisk interface, which seems to be a very interesting piece of hardware. It looks almost identical to an IF1, can co…
... looks almost identical to an IF1, can connect to a Microdrive ...Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…
... 0,5, checked on the schematic and pin 4 of the ... nothing, going up with the schematic pin 19 on the HAL ...ZX 48 sound card , sam coupe audio chipPrototype done and working (thanks for Velesoft for schematic). [url]https://www.youtube.com/watch?v=RtsW1QZjHVs[/url] PCB done and ordered in PCB …
... working (thanks for Velesoft for schematic).
[url]https://www ...Mini project: SpecPad, Kempston to SJS 1 & 2Hello, Just finished a small project with a Genesis gamepad I had or was using on my Speccys. I added a cheapo decal...will probably go get a vinyl o…
... the update/corrections to the schematic, I noticed that certain bits ...ZX Interface 1 testingI've got a few interface 1s and I want to test them out to see if they all work fully. What would be the best way to test them? I've got a microdri…
... a microdrive plugged into the IF1 and the speccy still boots ...Interface 1 ULA - what does it do and what not?I heard a rumour a few weeks ago: that the Interface 1 ULA does not control the Microdrive, but mainly the ROM and network. Many of us (like myself)…
... /> So today I downloaded the schematic to find out the truth ...Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…
... that allows bidirectional communications between IF1 and Microdrive, for which I ... Spectrum Shadow Rom Disassembly, the IF1/Microdrive Service Manual, and the ... and be synchronized somehow. The IF1 has its own 8 MHz ... Z80 T-states, 36.57 IF1 T-states elapse. I ...
