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Trying to create NMI, whats this switch?Hi, I have been reading a book Z80 Applications, and I am trying to create a simple device for creating a NMI. Here is a schematic: [url]http://www…
... a NMI. Here is a schematic:
[url]http://www ... -
Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…
... ? If so is there a schematic anywhere?
I would ... -
Multiface 1 and copy protectionI was piddling around on my speccy last night getting my Specdrum running. I had already put the software on microdrive via my Multiface 1. Anyway, …
... speccy last night getting my Specdrum running. I had already put ... attached as I had my Specdrum attached and it worked fine ... -
General Sound InterfaceDoes anyone of you own such a device and would be willing to sell it? Alternatively I have the full schematic and layout but no way to etch PCBs ... …
Does anyone of you own such a device and would be willing to sell it?
Alternatively I have the full schematic and layout but no way to etch PCBs ... maybe one of you knows a way to get a small/medium quantity at a decent price? -
+3 sound problemHello! I've bought +3 a year ago and I wasn't really impressed with it's sound. It was really bad. Then I found this page [URL="http://www.secarica…
Adventures in Programmable Logic Part 2So, now armed with an Xilinx Parallel III cable, an XC9536 CPLD, a breakout board with power, a JTAG pin header and a 44-pin PLCC socket, I could try…
... , you can just draw a schematic of your logic, and it ...Interface + Microdrive + Plus-d + other bitsDecided to sell some of my stuff on eBay seeing as it will never likely be used again. Interface 1 + ZX Printer + Microdrive + Extras: [url]http://c…
... ;ih=006[/url]
SpecDrum:
[url]http://cgi.ebay ...Specdrum2 For The PcHi guys n gals just wanted to let you know that i have written a remake of specdrum (you know the one from 1985(c) CheetahSoft Ltd. if you head ov…
... have written a remake of specdrum (you know the one from ... /> Now if you remember the specdrum its basically the same but ... of which are the original specdrum files with extras
128 +2 KeyboardI've just bought an Amstrad +2 keyboard assembly (membrane and keys) on ebay to use with my Harlequin project. It was a steal at about 1 Euro ;-) It…
... , but looking at the +2 schematic and service manual, it looks ...Ethernet updateNo, I've not been entirely dormant on the project whilst I was away... [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] - Work in …
No, I've not been entirely dormant on the project whilst I was away...
[url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] - Work in progress schematic, and buffering the data bus.Hardware fault - HELP!I bought a speccy 48K (rubber) on Ebay. I was delighted when it arrived. It was in PRISTINE condition, it looks brand new! However, the machine has a…
Mapper of Spec+3 - Needed schematic equivalent .And also wondered if the register 1FFDh bit0 = 1, the port mapper 7FFDh disabled ? Possible only such combination pages? [CODE]┌──…
And also wondered if the register 1FFDh bit0 = 1, the port mapper 7FFDh disabled ?
Possible only such combination pages?
[CODE]┌─────────────┬─────────────┬─────────────────────────────────┐
│ bit 2 1FFDh │ bit 1 1FFDh │ ???????? ...I am looking for .......ok way way back in 1985 specdrum was released for the spectrum this i know but on a magazine it was either crash or your sinclair or sinclair user …
... /> way way back in 1985 specdrum was released for the spectrum ... could play the sounds from specdrum live with the keyboard and ... tzx of kit editor for specdrum on the wos archive as ... well as specdrum but i just want to ...Spectrum Analog interfaceHello Spectrum addicts, Feels good to join you :) I'm trying to build an analog joystick interface for our beloved machine. I've set up a page here:…
... answer any question regarding the schematic.
Thanks,
MariusLook what I found at the dumpI frequently check the back yards of the local electric stores. There are many things been placed there for later dumping. And these places are open…
... inputs for the controllers. A schematic for using this circuit can ...Erratum in Spectrum schematics?Forgive me if this is old news, but I have recently adquired some new microspeakers for repairing damaged ones in various Spectrums. One of these had…
... +5V as stated on the schematic, but to +9V. It seems ...Schematics for grey +2 wantedI would like to have the schematics for the grey +2. Unfortunately, I can't find any on this site. The closest I get is a combined schematic for +2…
I would like to have the schematics for the grey +2.
Unfortunately, I can't find any on this site.
The closest I get is a combined schematic for +2a/+3.
Can anyone help ?Specdrum 3.1 is being releasedThe new version is finished and will be posted on the website tomorrow loads of new sounds some new features midi is working great i will post a …
The new version is finished and will be posted on the website tomorrow
loads of new sounds some new features midi is working great
i will post a new post with all details tomorrow
Lee BOfficial release of new K-MOUSE 2008 interface[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url] This is official release of new K-MOUSE 2008 interface. New layout, design, new schematic. …
[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url]
This is official release of new K-MOUSE 2008 interface.
New layout, design, new schematic.
VELESOFTUpdates to Specdrum 3sorry removed until next release Lee B
sorry removed until next release
Lee BZxspin has a little glitchHi there i was playing with zxspin yesterday and i have a super fast machine but when i go to use the specdrum tzx and the program works ok but when …
... i go to use the specdrum tzx and the program works ... when using the sound from specdrum its jumps a lot
PAL-I to PAL-B on a grey +2Hello. A friend brought over a grey +2 from the UK. The tv sets over here are PAL B/G and i can't tune the sound because of the frequency of the sou…
... to give some hints, the schematic is at rwap's site ...SpecdrumI remember someone here in WOS was looking for one. Can't beat this price: [url]http://cgi.ebay.co.uk/SINCLAIR-SPECTRUM-SPEC-DRUM-MEGA-RARE-WITH-LEA…
I remember someone here in WOS was looking for one. Can't beat this price:
[url]http://cgi.ebay.co.uk/SINCLAIR-SPECTRUM-SPEC-DRUM-MEGA-RARE-WITH-LEAD_W0QQitemZ310110280501QQcmdZViewItemQQptZUK_VintageComputing_RL?hash=item310110280501& ...Inside the ULAI've recently updated my Blog with the news that I've managed to get inside a 6C001E ULA and have got close up images of the die. I'm currently back-…
... back-annotating this into a schematic.
Read more here ...Timex 1000 PAL conversionHi, a friend of mine sent me a Timex 1000 from the US. I was prepared for the NTSC/PAL issues so no surprise came to me when i got a shadowy dark scr…
... ]
Here's the schematic (modulator is at the top ...23-128Hi, while repairing my issue 3 48, i have realised that the 23128 rom is borked. As i see it doesn't quite have the same pinout as the 27128, (Acc…
... the 27128, (According to the schematic, it has an extra chip ...SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…
... follow later, but a nice schematic should do for starters. Some ... />
[LIST]
[*]Checked the schematic *thoroughly* against my modded Speccy ... this thread) is appreciated
[*]Schematic should not be understood as ...issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…
... . I`ve looked at the schematic and C34 is presumably a ...RGB-Output (interface) for rubber 48k / Spectrum+I wonder if there is interest for a small RGB-interface for the rubber 48 k / Spectrum+. I developed a schematic using a very small number of parts.…
... k / Spectrum+. I developed a schematic using a very small number ...
