Re: [stella] struggling with vcs.h...

Subject: Re: [stella] struggling with vcs.h...
From: "Andrew Davie" <atari2600@xxxxxxxxxxxxx>
Date: Mon, 12 May 2003 23:24:22 +1000
Hi Manuel

Thanks for the report and diagnosis.  Sorry that my additions to VCS.H (or
at least, my rewrite using a segmented methodology) caused you problems.  I
believe VCS.H is better this way - and some of us just have to be guinea
pigs.  I don't actually have any non-segmented code, so I took your word for
it, and added a dummy SEG at the end of the file.

New official versions are available at


----- Original Message -----
From: "Manuel Polik" <cybergoth@xxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Monday, May 12, 2003 7:59 AM
Subject: [stella] struggling with vcs.h...

> Hi there!
> After this almost turned me into a nervous wreck, I
> thought it's better to save others the trouble and tell
> you about my discoveries.
> Well, it started harmless. I just wanted to use Glenns
> asymetric PF template once more for some experiments
> with PF graphics, when I found, that I was not able to
> properly compile it anymore by any means.
> First I suspected the new DASM, but quickly found that
> the old one produced the same result, a zero length
> file.
> So, I tried this and that, analyzing all DASM output,
> checking all symbols *manually*, trying this, trying
> that.
> Well, finally after almost an hour, I found what causes
> the troubles: ->Segments<-
> Well, so the new vcs.h starts defining segments.
> Once you start using segments, it seems like it is a
> must to use segments for everything - and most of the
> old sources simply don't do that, because they aren't
> segmented at all.
> Well, I'm not sure wether the segments are required in
> VCS.H or not or wether DASM should probably handle this,
> but I found an easy fix:
> Just adding an additional segment like
>     SEG     Bank0
> at the very end of VCS.h, seems to do the trick.
> Then according to my experiments, both unsegmented and
> segmented sources seem to compile fine.
> I'm not sure, wether this is the ultimate solution
> though. Maybe Andrew can further investigate...
> Greetings,
> Manuel
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