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FLEX for 6800 (source code).

daver2

daver2

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Jun 19, 2012
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UK - Worcester
Does anyone have (or know the whereabouts of) the source code for the 6800 variant of FLEX?

I have the source code for the 6809 variant of FLEX - but that is not what I want...

I have checked a number of websites, but they have the binary images for the 6800 variant but not the source code.

Cheers,

Dave
 
I do not believe that the actual source code for FLEX was ever released. There are several commented disassemblies of varying quality floating around.

The FLEX User Group has been collecting disk images for years. They can be found on the FTP site:

http://ftp.flexusergroup.com:8080

Login ID is flexuser and the password is the name of our favorite operating system in lower case.

Start with disks\flex2\flex2src.dsk
 
Cheers.

Thanks for the link. I downloaded the file you suggested (and a few more whilst I was at it)...

I extracted a few of the key files, so I will do some analysis on what I have and see if I can make sense of them. I may try to rebuild the FLEX executive from what is there.

Dave
 
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Hi Dave,

Finally, did you find the sources for the FLEX 6800?
Flexusergroup is no longer accessible.

Marc
 
Yes, I did.

I even ported it to some 'older than FLEX' computers as an operating system!

It is sad if flexusergroup has now gone though...

Dave
 
Yes.

But it will be of limited use I am afraid (unless you have a sphere computer with an unobtainoum disk drive attachment)...

I do have an emulator I can share though... I am still working on the monitor interface, as you can only run the operating system. No actual programs will run, as the monitor interface (when using the disk EPROM) is incompatible...

I am trying to merge the tape ROM interface with the disk ROM so that programs can be loaded from tape, then stored onto disk for subsequent loading and running. This is proving to be an 'interesting' endeavour...

Dave
 
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