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The spacebar is a little 'industrial' for such a trigger happy game. I think it plays more nicely with some other options for the fire key.

Thankfully space is on the same column as shift, so it's easy to support both of those.

Just replace the row output value in $44BA with $C0.

Wow Pere,

You are making great progress here. Apologies for not having been following along - I hope I can clear some life stuff and watch a bit more closely going forwards.

Keep up the good work.

Mike

Hi Pere, You're doing some top methodical work here! On the 'other' descriptors front... I think Bob is referring to descriptors for whatever drives you have, so a single or twin drive 40 track single sided system would include only /d0 and /d1 if required. If someone had more drives... more descrip...

Not really... it's a bit of a mystery. My first thought was of Prof Hannah @fryrsquared Fry's latest video! But I hope Adrian gets the board going.

And for completeness, the non-Dragon-y 6809 MMUs are largely documented here: https://haserin09-la-coocan-jp.translate.goog/os9_mmu.html?_x_tr_sl=ja&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp With some more info on some of these machines (and a few others, some with, some without memory above 64k) he...

OK, don't bite me...

https://docs.google.com/spreadsheets/d/ ... ingle=true

I'm not really clued up on the CoCoMemJr's feature set or low level implementation details, but for the other memory expansions I can put together a comparison. Generally, these things fall into a couple of different groups: There are 'additional offboard memory' and 'on mainboard memory upgrade' ap...

Hi Kepler, As John's pretty much updated you on these machines history, there's not a huge amounr I can add. Bob designed 3 or perhaps more different MMU modification versions. They were documented in a series of fragmented, error-strewn (thanks Ed) and rather difficult to follow articles in Dragon ...

Hitek keyboard sticking down keys normally means that the key-slider is split, so check that first of all. You may have to pull spares from a junk keyboard and try and replace them in your good-ish board. Note... pulling them without damaging them is hard!

Yes, I hope to be!