Copying data always takes time, as your buffer is a multiple of 2 why not just wrap around within the buffer. tablePtr = 0; // initial value ... Table[tablePtr++] = sample; tablePtr &= 63; // wrap around buffer ... // as an example for reading the last 64 values -- add them up sum = 0; for (i=0; i<6...

Here's a quick picture of the setup

I got one of the special wireless LCD prototypes (uses the BASICchip and a NewHaven display)

http://coridium.us/custom6.php

And have a quick demo running on it in BASIC (source below)

I picked up a new machine (PC) recently. When I started downloading large BASIC programs, there were often loss of communication errors. Seemed like it had to do with certain constructs being used in BASIC, so I eliminated those, but... Recently it started happening more frequently. So I updated the...