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I'm a little hazy on this as it's been a long time since I've looked at it in detail but there are different versions of the main board and PSU/RF board and not all combinations work together. Someone else here may know better. I think one of the pots adjusts the amount of colour present in the PAL ...

I'm sure there are quite a few people who would love to produce a new game or two but dare not publicly commit themselves. It comes down to (a) finding the time (b) having enough bloody-minded determination to see the project through to the end. My own view is that more games might be produced if so...

Hello and welcome! The white powder could be a build-up of tin oxide. This is known to happen on old components and is more likely to happen if the plating is rough instead of smooth and shiny. I would carefully brush it off while collecting the dust with a vacuum cleaner. Take no chances, don't bre...

This is certainly a thought-provoking discussion and it's just occurred to me that I've committed a faux pas (legal issues aside) by uploading the disassembly without inserting any form of copyright notice or disclaimer. Sure there is a Microsoft copyright notice buried in the code but this may not ...

i'm not yet clear how the D32 <-> D64 ROMDIFF.TXT worked. ROMDIFF.TXT is the result of a binary comparison between the D32 ROMs and the D64 32K mode ROMs. For each address where there is a difference the file shows the D32 byte and the D64 byte stored at that address. I produced the file to see how...

Hi Jedie, It's not exactly what you asked for but I've found my own disassembly of the D64 32K mode ROMs. I did this about 15 years ago when it seems I must have had a lot of time on my hands :D There is also a binary comparison of the D64 32K mode ROMs versus the D32 ROMs. This file will tell you i...

@CaptainNemo @jedie @Bosco Cheers for the feedback! I love the positivity on this forum; it makes a pleasant change compared to the rest of the internet :) It's a nice thought, that one day this game could be completed. I'm afraid my 6809 skills have become rusty over time so I probably need to try ...

Does anyone know of any software that was under development by any of the Dragon software houses that never saw the light of day? For instance did Microdeal release everything they had under development? I would also be interested to know if the gentleman who produced Airball did anything else for ...

Really nice! It looks great and has the 'one more go' factor. Just blown my lunch break playing it

That looks like the mod that switches the display to monochrome for a sharper picture. 'Shorting' the crystal with a capacitor removes the colour sub carrier from the PAL signal. That said, I've always had the impression that the D64 display was a lot cleaner than the D32. Maybe some still had an an...