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But why? ...or: what is the gap flag for? GAP-FLAG if ASCII-BASIC and NO-GAPS if tokenized BASIC ?? Makes no sense, because we have the flag if ASCII or tokenized... It's to do with how the file loads back into memory; gapped files load successively into the same memory area (cassette buffer). Ther...

You need to set the gap flag ($FF) for ASCII BASIC. The correct checksum would then be $79 if you make both the load and exec addresses $0000 or omit them. Your sync byte trailing the header is commented incorrectly but that won't matter; it's not required (sync bytes come before blocks rather than ...

The load and exec addresses aren't used for BASIC files. If you're seeing ASCII characters repeated from the filename in there, it's probably just a result of memory or registers being reused. Those two fields can be ignored - actually I suspect you could just use an 11 byte header block for BASIC i...

There was also a company making and selling an adapter at one time, IIRC.

Perhaps it was Altec? Their excess stock might have ended up with NDUG? I can't really remember!

Anyway, think I've got one somewhere... can dig it out and take some snaps if there isn't already any info or pictures of it.

I believe Alibaba Group are one of the biggest e-commerce companies in the world?

http://en.wikipedia.org/wiki/Alibaba_Group

Their brand isn't widely known in the UK though as we're not one of their target markets. I've no idea what their service is like.

But... there are so many questions! :( :lol: Only ever owned 1 machine (not counting a few earlier ones that were either D.O.A. or malfunctioned within days/weeks and promptly returned to Boots for a swap). It's a D32 that doesn't like the double speed POKE and has spent many happy years with the on...

They're fab, well done!

I can remember a fractal listing or two appearing in Dragon User but yours are more impressive than any I've seen before on the Dragon.

Dragon BASIC doesn't touch the contents of comments, as far as I know. The comment text can contain some special characters - only if achieved through modification - but usually won't, as most comments will have been entered using the keyboard. I used to quite enjoy POKEing some ASCII 8 (DEL) charac...

Just a couple more quick points that might affect what you're doing: A single quote starts a comment, but obviously not when inside double quotes. It could be followed by a double quote without starting a string and there may be an odd number of such double quotes; the same obviously applies to REM ...

For instance I have some WAV's of whole cassettes that I want to extract all the files from (CAS would do). I tried DC.EXE for this (running in DOSEMU) with variable luck, and that program is anyway dead (no source) I believe. Oh, that's too bad! R.I.P. :( I do have the DC source; some of it was us...