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by Derek_Stewart
Tue Apr 25, 2017 3:39 pm
Forum: Hardware
Topic: Random hardware ideas!
Replies: 43
Views: 1480

Re: Random hardware ideas!

Hi,

I am going to setup my old BBS and connect it via a Null modem connection to a Raspberry PI, to allow possible connection from the Internet.

I am not sure about what platform, a Q40 has 4 serial ports so 4 lines available.
by Derek_Stewart
Tue Apr 25, 2017 9:20 am
Forum: The Off-Topic Section
Topic: My homepage (German) has been updated
Replies: 2
Views: 136

Re: My homepage (German) has been updated

The first GUI-version of the calculator with expression parser in my Python course is now released. The Beta version has been online for sometime. It worked, but there were a lot of mistakes in the explanation. I excuse for for that. Hi, I was looking to port Python to the QL, what is the best vers...
by Derek_Stewart
Tue Apr 25, 2017 9:15 am
Forum: General QL Chat
Topic: QL 2002 THE DVD – Re-release of videos
Replies: 3
Views: 226

Re: QL 2002 THE DVD – Re-release of videos

St George's Day, England's national day and 1982 launch date of the Sinclair ZX Spectrum, sees a QL re-release. The videos of QL 2002 the QUANTA AGM, which took place on the weekend April 13/14 2002, are now available for online view on the QLvsJAGUAR YouTube channel; with kind permission of Darran...
by Derek_Stewart
Sun Apr 23, 2017 4:52 pm
Forum: The Off-Topic Section
Topic: Speccy 35th anniversary!
Replies: 2
Views: 135

Re: Speccy 35th anniversary!

Hi Urs,

Excellent video, I thought I had alot of Spectrums. But as many and as good as yours.
by Derek_Stewart
Sat Apr 22, 2017 12:12 pm
Forum: Software & Programming
Topic: Website
Replies: 8
Views: 323

Re: Website

No problems, just do not like swearing... I am not anti-Windows, here is a run down: Windows 10 PC, Corei7 12Gb ram, 2Tb storage, Workstation, to run Altium Designer 16, Soldworks 2014, Autocad. Windows XP Netbook, 2Gb ram, 360Gb HD, to inlock mobile phone, repair iPads, iPhones. Windows 7 HP Corei3...
by Derek_Stewart
Sat Apr 22, 2017 12:02 pm
Forum: Hardware
Topic: Random hardware ideas!
Replies: 43
Views: 1480

Re: Random hardware ideas!

I have already got a SAA1099 on Trump card QL (must get around to writing tracker!). But recently picked up some genuine Yamaha OPL3 FM chips, now very cheap: http://www.ebay.co.uk/itm/1pair-YMF262-M-YAC512-M-YMF262-YAC512-1pcs-YMF262-M-1pcs-YAC512-M-/181331807342?hash=item2a3837cc6e:g:FMEAAOxy0NtT...
by Derek_Stewart
Sat Apr 22, 2017 8:59 am
Forum: Software & Programming
Topic: Website
Replies: 8
Views: 323

Re: Website

dilwyn wrote:Update KB4015549 so fuck that bloody unhelpful comment, Derek.


That's nice, I was only trying to be helpful... I will not bother in future
by Derek_Stewart
Fri Apr 21, 2017 1:34 pm
Forum: Software & Programming
Topic: Website
Replies: 8
Views: 323

Re: Website

Once again i'm unable to update my website, this time because of failed Windoze updates on my PC. I think i managed to upload an update of Win-Dos program by Bob Spelten to Files page, although the flaming pc stopped working at the end of the upload, meaning i cant complete all the other uploads wa...
by Derek_Stewart
Tue Apr 18, 2017 4:05 pm
Forum: Hardware
Topic: Using ZX Microdrives on the QL
Replies: 52
Views: 2140

Re: Using ZX Microdrives on the QL

While the PCBs are very different between the Speccy and QL the schematics are functionally identical. Unless the Speccy and QL devices use different ULAs, the resister values and possibly head resistances might be the only differences. In theory, the Spectrum can support 8 microdrives, and the QL ...
by Derek_Stewart
Tue Apr 18, 2017 10:15 am
Forum: Hardware
Topic: Using ZX Microdrives on the QL
Replies: 52
Views: 2140

Re: Using ZX Microdrives on the QL

On further research, I found this which should nicely solve your problem: http://www.ebay.com/itm/Sinclair-ZX-Spectrum-Interface-1-to-Microdrive-Connection-cable-/222099647887?hash=item33b62bad8f:g:aa4AAOSwO~hXIJMl Swapping wires 3 and 2 on the ribbon cable between the two boards should allow you t...

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