Date   : Fri, 26 Jun 2009 23:14:36 +0100
From   : me@... (me@...)
Subject: Only one beep

On 26 Jun 2009, at 19:52, info@... wrote:

> The low pitch "burr" is the unconfigured sound chip, ie. it'll make  
> that
> sound even if you unplug the 6502.
> The OS silences this when the system 6522 is set up (since it hangs  
> off
> the slow bus side of the 6522).
> The second "bip" sound is just a VDU 7 which is embedded in the string
> reporting the RAM size ("16K<7>" or "32K<7>"), which is why there is  
> no
> "bip" on a soft break, because the RAM size is not printed.

Wow. So many years I've wondered about that.

I feel slightly more enlightened today.

Thanks. :)

-- 
David Glover
http://www.davidglover.org/