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by Martin_Head
Fri Oct 20, 2017 5:26 pm
Forum: Software & Programming
Topic: Pyramide Software - Some Freeware
Replies: 22
Views: 3142

Re: Pyramide Software - Some Freeware

Another update. Image9.png Image10.png Image11.png I have attached an English translation of the program, and a user manual. Both are still a work in progress. So don't take them as finals. I have only translated the Boot programs and the main Tridim_exe so far, So let me know if you find any bits o...
by Martin_Head
Mon Oct 16, 2017 11:04 am
Forum: Hardware
Topic: test_task won't copy to DOS4_ on QPC2
Replies: 15
Views: 856

Re: test_task won't copy to DOS4_ on QPC2

Or you could use floppy disk image files. QPC2 supports floppy images. Or even my MDI/FDI drivers(plug, plug)
by Martin_Head
Mon Oct 09, 2017 4:02 pm
Forum: Software & Programming
Topic: Pyramide Software - Some Freeware
Replies: 22
Views: 3142

Re: Pyramide Software - Some Freeware

Just a little update.. I got around to trying to use the manual with the program to do the example. It didn't work too well.. I think the manual is for version 1 of Tridim, this is version 2. There is an update_doc supplied, that I have now translated which shows where I was going a bit wrong. But I...
by Martin_Head
Mon Oct 09, 2017 11:31 am
Forum: General QL Chat
Topic: Bad evenings repairs
Replies: 10
Views: 606

Re: Bad evenings repairs

Something you might have to look out for... I seem to remember from an earlier post about the 12 volts from the Thor PSU being fed via a resistor to supply 9 volts for the Microdrives. If the Thor has the 9 volt and 5 volt rails linked on the QL board. The 9 volt rail must be cut somewhere near the ...
by Martin_Head
Mon Oct 09, 2017 11:15 am
Forum: Software & Programming
Topic: Platform Levels
Replies: 18
Views: 1023

Re: Platform Levels

While I think the idea of predefined 'levels' is nice. Somehow I can't see it working in practise. On one hand your basically dictating to uses what software they must run on their systems. I personally mainly use QPC2, and half of the software you put as 'must have' I don't have installed, and I do...
by Martin_Head
Mon Oct 09, 2017 10:18 am
Forum: Compatibles Corner
Topic: CST Thor 1
Replies: 75
Views: 8837

Re: CST Thor 1

If that was a shorting link between the 9v rail and the 5 volt rail, I would expect mass death and destruction amongst the logic circuitry. Watch out for the 74LS... chips, they really shouldn't like more that 5 volts up them at all.
by Martin_Head
Sat Oct 07, 2017 11:26 am
Forum: Hardware
Topic: QL Vision monitor has a blank screen.
Replies: 5
Views: 373

Re: QL Vision monitor has a blank screen.

Take a look at the HT part (including the HT transformer) of the pcb. Maybe there is a desoldered part. If you don't know what you are doing, be very careful around around the wire with the poppy shaped connector that clips onto the side of the CRT. There will be a lot of volts there, even with the...
by Martin_Head
Sat Oct 07, 2017 11:13 am
Forum: Hardware
Topic: Microdrive Unit Design
Replies: 39
Views: 2914

Re: Microdrive Unit Design

Think of the old reel to reel audio tape recorders. The faster the speed of the tape, the better the quality. If you are doing digital signals, you need the 'quality' Also I could see a potential problem in slowing the tape speed to get 256 sectors on the tape. You are libel to end up with a gap bet...
by Martin_Head
Sat Oct 07, 2017 10:52 am
Forum: Compatibles Corner
Topic: CST Thor 1
Replies: 75
Views: 8837

Re: CST Thor 1

ON the board removed today I added the regulators I took off the board I was installing to the Thor. I have also noticed on this Issue 5 board I removed, that memory ICs 3, 5, 9 and 10 are getting very hot, +60 degrees within seconds. The screen seems to be constantly changing with different patter...
by Martin_Head
Fri Sep 29, 2017 11:17 am
Forum: Software & Programming
Topic: Stopping the scheduler/interrupts
Replies: 5
Views: 427

Re: Stopping the scheduler/interrupts

What's wrong with stopping the FSERVE job before you do anything else (maybe after having checked that the new station number is really different from the old one) and re-starting id after you're done? None of the channels the job might have open would be valid after the command has run anyhow. Rem...

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