Search found 1119 matches

by tofro
Tue Oct 17, 2017 11:08 pm
Forum: Software & Programming
Topic: Text87plus4 and QPC2
Replies: 9
Views: 412

Re: Text87plus4 and QPC2

I can probably manage at the moment in QL mode as I'm after the content of my documents as oposed to the colours, but thanks again anyway. It doesn't get [any|a lot] nicer with more colours. And is just as awkward to operate. I bought text87 when I started to envy my brother who had Signum 2 for th...
by tofro
Mon Oct 16, 2017 7:11 pm
Forum: Software & Programming
Topic: Text87plus4 and QPC2
Replies: 9
Views: 412

Re: Text87plus4 and QPC2

Norman, File sizes seem OK. My Text87_exe has 116850 bytes, Plus4Setup 40530 High-color-patched t87 is several ks bigger. I cannot seem to get to run plus4Setup on QPC (on Windows) either. Simply does nothing, even in 512x256. I do remember I could only use recon to configure plus4. I somehow seem t...
by tofro
Mon Oct 16, 2017 12:57 pm
Forum: Hardware
Topic: Microdrive Unit Design
Replies: 36
Views: 2602

Re: Microdrive Unit Design

The only device that copied the technical principles of Sinclair's Microdrives was the Rotronics Wafadrive for the Spectrum that came on the market at about the same time. I have never owned one, but from tests it was bulky, even less reliable than original Microdrives and cartridge supply for those...
by tofro
Sun Oct 15, 2017 10:02 pm
Forum: Hardware
Topic: test_task won't copy to DOS4_ on QPC2
Replies: 12
Views: 625

Re: test_task won't copy to DOS4_ on QPC2

How many times does this have to be repeated on the QL scene? The better solution would be to ensure that all emulators and QLs supported the q-emulator method of saving direct to (and of course loading / executing from) DOS formatted devices so that those new to the QL scene (or returning after ma...
by tofro
Sun Oct 15, 2017 1:44 pm
Forum: Hardware
Topic: test_task won't copy to DOS4_ on QPC2
Replies: 12
Views: 625

Re: test_task won't copy to DOS4_ on QPC2

Copying executables to non-QDOS media looses the file header information and thus makes it impossible for QDOS to run them as executables. Either use zip and unzip to transfer (this retains file header information) or rebuild the file header on the target with the below one-liner: a = alchp (<flen>)...
by tofro
Fri Oct 06, 2017 6:03 pm
Forum: Hardware
Topic: Microdrive Unit Design
Replies: 36
Views: 2602

Re: Microdrive Unit Design

Actually, the tape would need to run slower to get a higher density (less amount of tape runs by the head in the same time interval) and, thus more sectors. I'm not sure how much the length of tape varied between different cartridges, but, as Dave said, were already pretty much at the theoretical li...
by tofro
Fri Oct 06, 2017 8:53 am
Forum: Hardware
Topic: Q68 Advance Notice
Replies: 68
Views: 4248

Re: RE: Re: Q68 Advance Notice

Envoyé de mon XT1650 en utilisant Tapatalk What is the technology / chip used for the sound ? How is it connected to the CPU and RAM ? Is it a buffer system to fill in with the processor, and then its contents is read under DMA ; or sthing completely different ? Has it got any kind of software supp...
by tofro
Thu Oct 05, 2017 8:47 pm
Forum: Hardware
Topic: QL Vision monitor has a blank screen.
Replies: 5
Views: 352

Re: QL Vision monitor has a blank screen.

Fortunately, you seem to show a bit of healthy respect for the innards of a monitor - Yes, that can be terribly dangerous for the layman. 15 years ago, I would have bet the average TV repair guy should be able to repair that beast with the help of a circuit diagram (is on Dilwyn's site, I think). To...
by tofro
Thu Oct 05, 2017 6:31 pm
Forum: Help for New Users
Topic: How to test if the drive or the cartridge is broken !
Replies: 11
Views: 816

Re: How to test if the drive or the cartridge is broken !

Can MDV 1 and 2 be interchanged without consequences or are they specific? In this case how can I distinguish Mdv1 from Mdv2? Drives 1 and 2 are completely interchangeable and in no way specific (if you disregard that drive 1 has most probably suffered more wear during the life-time of the computer...
by tofro
Sun Oct 01, 2017 8:57 am
Forum: Software & Programming
Topic: Platform Levels
Replies: 18
Views: 953

Re: Platform Levels

RWAP wrote:Does QJewel not support Aurora's 256 colour mode? That would not work even if SMSQ/e was adapted as above

It should. Don't really know, though, as I'm missing real hardware to test. 256-colour mode was only tested on QPC2.

Tobias

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