Search found 3970 matches

by Derek_Stewart
Wed Jun 30, 2021 8:52 am
Forum: Hardware
Topic: Mechanical "membrane"
Replies: 2
Views: 963

Re: Mechanical "membrane"

HI, This is for the ZX Spectrum and Spectrum 128, it will not work on the QL without modification. I did have a design in schematic form for a Cherry Switch based keyboard replacement, which did not modify the QL upper case. I also recall, that someone elsse did a project of a smiliar nature. I will...
by Derek_Stewart
Wed Jun 30, 2021 8:48 am
Forum: Hardware
Topic: CPU 68080
Replies: 53
Views: 13350

Re: CPU 68080

So you reckon us QPC2 users are an isolated population? Let the emulator wars commence :-D Hmmm... I am going to be at war with myself, I like to use all the emulators... I have been usng UQLX since it came into existence, along with QPC2, which I paid for a registered copy , even though, I was bee...
by Derek_Stewart
Tue Jun 29, 2021 9:06 am
Forum: Hardware
Topic: CPU 68080
Replies: 53
Views: 13350

Re: CPU 68080

Hi, i think this has been discussed before. But, the Amiga A1200 has a Vampire addon, that attaches to the 68020 CPU and seems to work quite well. Maybe a way of attaching the A1200 Vampire to the SGC 68020 CPU could be done and the SGC mayb have the same speed advantages, but I guess there would ha...
by Derek_Stewart
Mon Jun 28, 2021 8:50 am
Forum: Software & Programming
Topic: Digital C code gen
Replies: 10
Views: 2964

Re: Digital C code gen

Hi, I have downloaded the CDROM ISO, interesting stuff there. I have also previousily downloaded all the Dr Dobbs magazines from Archive.org, but the magazines were in year PDF file, so quite unmanageable, I have converted the each year to single month issue files. If anyone is interested, I will po...
by Derek_Stewart
Sun Jun 27, 2021 9:16 pm
Forum: Software & Programming
Topic: Digital C code gen
Replies: 10
Views: 2964

Re: Digital C code gen

Hi,

There early version of Dr Dobbs Journal on Archive.org discussing Small C and other interting items.
by Derek_Stewart
Sun Jun 27, 2021 9:14 pm
Forum: Hardware
Topic: CPU 68080
Replies: 53
Views: 13350

Re: CPU 68080

Hi, I have followed the Buffee project, looks interesting, but time will tell if they can get the project out, unlike the PiStorm, which there are no chips to make the board. Not good. I wonder why does anyone want a 68060 on their QL, I ponder this after I build and sold the Q60, 20 years ago. Ther...
by Derek_Stewart
Thu Jun 24, 2021 3:31 pm
Forum: Hardware
Topic: Swedish MGB ROM
Replies: 14
Views: 3413

Re: Swedish MGB ROM

Hi,

Is the Rom copyrighted to Beckman ?

Can you do a tom image of the other rom chip?

I was gonna run the rom images through Disa to get a rom diassembley. But I maybe breaking copyright if I do this...
by Derek_Stewart
Thu Jun 24, 2021 3:24 pm
Forum: Software & Programming
Topic: Q68 QoE Ethernet Driver
Replies: 87
Views: 26514

Re: Q68 QoE Ethernet Driver

Hi,

Could the Network card have a hardware clock on the board to syncrohise the timings.

Or maybe make the Network interface look the same as the Q68 interface, so that the driver could have minimal changes.
by Derek_Stewart
Thu Jun 17, 2021 9:03 pm
Forum: Wanted
Topic: QL PCB
Replies: 2
Views: 4925

Re: QL PCB

Hi,

I have an Issue 5, QL board, which you could have, I have sent a PM,
by Derek_Stewart
Sun Jun 13, 2021 8:55 pm
Forum: General QL Chat
Topic: The Computers that made Britain
Replies: 9
Views: 3218

Re: The Computers that made Britain

HI,

The computers I had in the 1980s are:

Newbrain
Oric 1, Atmos
Memotech MTX range
Sam Coupe
Jupiter Ace

Whether they definevthe British computer culture is open to personal taste.