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by robhawkes
3277 days ago
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I've got my granddad's boxed and mint condition Dragon 32 sitting next to me. It looks so cool and was fun to get his hand-written code working again after over 30 years. I've been meaning to document it all! Some fun I had with it last year: https://twitter.com/robhawkes/status/707270758393847809 |
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Unfortunately I lost all my '09 stuff. Did he write in Asm or something else?
I had a rudimentary random-access storage device going on mine using a Sony TC-FX 33 cassette tape recorder. With a bit of tweaking you could control the buttons from the Dragon and it also had a nifty little optical encoder to indicate 'end of tape' that you could tie to an interrupt giving your a rough idea of where the tape was.
Even with a C120 cassette the storage capacity was terrible but it did work and it was persistent. It wore out tapes like crazy :)
That Dragon really does look mint. Beware of the big caps dying on you and taking the mb with them, it might be safer to replace them pre-emptively that power supply wasn't the best. A huge advantage the Dragon had over the original CoCo was the keyboard, it is really good quality.