[stella] *Why* does the AtariVox work?

Thomas Jentzsch tjentzsch at web.de
Wed Apr 16 14:25:28 CDT 2008


Stephen wrote:
>> > I'm asking because the AtariVox support in Stella does just that;
>> > any writes to SWACNT then also do writes to the controller port,
>> > and these latter writes are what drives the AVox.
>>
>> That sounds correct to me.

> OK, now I'm confused.  My first paragraph states that writing to SWACNT
> causes immediate writes to the controller port as well, and you don't
> agree.  But in the next paragraph I say the same thing, and now you do
> agree :)  Which is it?  As for the second part (about Stella doing it
> that way), it only does so because we added a hack for it; what I'm 
> trying to figure out is what's really supposed to happen.

Sorry, I misread that paragraph.

I am no hardware expert *at all*, but I thing the write to SWACNT
*allows* the previous writes to SWCHA to become active.

If that makes sense...

Have fun!
Thomas                            
_______________________________________________________
Thomas Jentzsch         | *** Every bit is sacred ! ***
tjentzsch at web dot de |




More information about the Stella mailing list