Search found 12 matches

by moose
Sat Jun 06, 2020 10:27 am
Forum: Dragon Hardware
Topic: Video quality revisit
Replies: 1
Views: 3447

Video quality revisit

Hi, A few months ago I posted about my dragon behaving poorly with a cheap composite to hdmi converter. I eventually switched out the converter for a different one after testing the machine with a TV that had proper composite in, moved on to sorting out other bits of the machine. The new adapter was...
by moose
Sat May 23, 2020 10:18 pm
Forum: Dragon Hardware
Topic: Adapting PC Joystick
Replies: 1
Views: 3508

Adapting PC Joystick

Hi all, I've been working on converting a PC joystick to work with the Dragon, having picked up an old Quickshot Skyhawk with a 15 pin connector for very little on ebay. I've now got it working, but given that I didn't find much info on this when I googled before I thought I'd outline the steps here...
by moose
Sat Feb 29, 2020 5:35 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

I'd be interested to see how the Retrotink works out. In the meantime I now have a proper green screen but a couple of annoyances remian. The colours are a little washed out I'm getting some 'bleed through' of the image to the right of the centreas well as occasional very short flickers. Would it be...
by moose
Thu Feb 27, 2020 1:23 pm
Forum: Discuss This Site
Topic: New Member, long time Dragon 32 owner
Replies: 17
Views: 33353

Re: New Member, long time Dragon 32 owner

Regarding means to load software, you can take a look at the CASduino if you want to load tape images, or the DragonMMC, CoCoSDC or Drivewire, if you want to load tape/disk/rom images, either from a SD card or from a modern computer. Out of interest which of DragonMMC, CoCoSDC and Drivewire would p...
by moose
Sun Feb 23, 2020 1:11 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

I'm now somewhat convinced that this is an analogue side issue. I've managed to test the unit on a different screen with built in composite (previously I was using a composite to HDMI adapter). This has stayed 'green' for a good half an hour. My guess is the adapter, being a cheapy, is being a bit m...
by moose
Sat Feb 22, 2020 3:04 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

Thanks for the hint, I'll take a look. I think this is a rev 2 board, so there's a pot by the power header, but that looks to be the only one. I guess there may be a recap in my future then.

Stu
by moose
Fri Feb 21, 2020 3:40 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

One further development, holding reset for a few seconds then releasing has got it to show as normal for at least a little while, before flockering and jumping back to 'orange'.
by moose
Fri Feb 21, 2020 3:29 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

Leaving it sat, powered off on the bench for a bit has got it to life again! Pictures attached. The fuzziness is the composite to HDMI adapter I'm using I think, though I'm getting occasional flickers I don't get with other input devices. The attached images show the screen on power up and a quick b...
by moose
Fri Feb 21, 2020 2:17 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

Predictably thus far today it refuses to display anything, though I hear the tape relay clicking. MOTORON/MOTOROFF doesn't seem to be doing anything while it's not displaying. I haven't seen random characters on the display that machines with bad RAM manifest, though the first time I got a picture o...
by moose
Fri Feb 21, 2020 12:50 pm
Forum: Dragon Hardware
Topic: Dragon 32 jumping to buff mode spontaneously?
Replies: 17
Views: 15056

Re: Dragon 32 jumping to buff mode spontaneously?

Thanks for the reply. I'd somewhat assumed this was not a problem at the analogue output end of things because the 'buff' palette matched buff mode so closely. I guess my main question is if it's worth getting hold of a new VDG and/or SAM and trying them? The SAM's socketted so is an easy swap, but ...