//  swecg.c -- ECG simulator on PORTB LEDs; rate adjusted by PORTD switches
//  implemented and tested on Atmel STK500 with AT90S8515 in rightmost socket
// 
//  Copyleft (!C) 2003 S. Mann
//  (http://www.gnu.org/copyleft/gpl.html);
//  based on Stephen Lacy's "mirror.c"

