
Search found 393 matches
- Thu Aug 01, 2019 10:40 am
- Forum: General QL Chat
- Topic: Oh Hum, The Wiki Has Been Spammed.
- Replies: 16
- Views: 2178
Re: Oh Hum, The Wiki Has Been Spammed.
a 2 bit scumbag who couldn't make it in a 32 bit world. 

- Tue Jul 30, 2019 3:10 pm
- Forum: Hardware
- Topic: Sinclair QL - QL-SD with vDRIVE QL
- Replies: 22
- Views: 2425
Re: Sinclair QL - QL-SD with vDRIVE QL
You should be able to use both - there are 2 ROM sockets in the QL - both are wired exactly the same, so you could put the QL-SD in the right hand one as you look at the front, and the rom switcher in the left socket.
- Tue Jul 16, 2019 1:17 pm
- Forum: The Off-Topic Section
- Topic: Welsh Meters
- Replies: 21
- Views: 2318
Re: Welsh Meters
And there was I thinking it was a new regional metric measurement !



- Wed Jul 10, 2019 1:01 pm
- Forum: For Sale
- Topic: Unknown memory expansion
- Replies: 6
- Views: 1476
Re: Unknown memory expansion
looks like those 4 simms are soldered - but for 256Kb they must be 64Kb in size !!
- Thu Jun 27, 2019 9:06 am
- Forum: Compatibles Corner
- Topic: ICL OPD
- Replies: 31
- Views: 2871
Re: ICL OPD
This is pretty much the circuit used in the OPD: http://www.openmusiclabs.com/learning/digital/input-scanning-matrix/dual-shift-mux/index.html There are 2 extra lines on the 20 pin ribbon from the keyboard, that I think carry keypress details for specific functions keys on the keyboard (resume, etc)...
- Thu Jun 27, 2019 8:54 am
- Forum: Compatibles Corner
- Topic: ICL OPD
- Replies: 31
- Views: 2871
Re: ICL OPD
vanpeebles wrote:I take it those two registers are not very good?![]()
oops - I love a good typo in the morning....
- Wed Jun 26, 2019 8:07 pm
- Forum: Software & Programming
- Topic: QOMBI
- Replies: 14
- Views: 1437
Re: QOMBI
I remember a highly addictive game called Kye on the PC - a puzzle game with many levels - the last ones quite devious.
Boxworld was another fun but pointless game too
Boxworld was another fun but pointless game too

- Wed Jun 26, 2019 1:04 pm
- Forum: Software & Programming
- Topic: Knoware.no
- Replies: 16
- Views: 1992
Re: Knoware.no
bookmarked for later perusal - some interesting articles and toolkits for sure 
I must confess it's the hardware for me - but I do appreciate that the hardware would be nothing without good software support.

I must confess it's the hardware for me - but I do appreciate that the hardware would be nothing without good software support.
- Wed Jun 26, 2019 9:09 am
- Forum: Compatibles Corner
- Topic: ICL OPD
- Replies: 31
- Views: 2871
Re: ICL OPD
I forgot to add in my diagnosing that the keyboard for the OPD is handled by 2 shit registers, and the clock, clear, shift data in and out and the parallel load are all signals routed to the off board modem / telco unit. This has an on board 8051 chip which appears to be handling the reading of the ...
- Mon Jun 24, 2019 3:56 pm
- Forum: Compatibles Corner
- Topic: ICL OPD
- Replies: 31
- Views: 2871
Re: ICL OPD
Attached is a PDF with some further info gained by some reverse engineering on the boards I have.