Hi, Bob.

BL> BL> Nothing happens once you get below 200 or so. The pulse just
BL> BL> stays 50uS wide.

BL> FM> Then that's the limit of the machine's ability to do all the
BL> FM> instructions in the interrupt service routine before another
BL> FM> interrupt comes along. Which surprises me.

BL>  I've seen poory written programs like this before...  :-)

Hey! You've got the source - what's poorly written there?

BL> FM> A back-of-an-envelope suggested it should be much faster.
BL> FM> There's only about 30 instructions in there (if it doesn't have
BL> FM> to call the old timer tick routine, once every 55mS. Wish I had
BL> FM> a bloody CRO.

BL>  I wish I had a486DX2/66.

Nah, you need a XT to run VB effectively.

But I wish I had a bloody CRO.

Regards, FIM.

 * * What principles?  I'm trying to get elected!
@EOT:

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