   #include "Lines.h"    // Draw randomized lines
 };
 
+/*
+ *  Link to Gigatron using its serial game controller port
+ */
+
 // Arduino AVR    Gigatron Schematic Controller PCB
 // Uno     Name   OUT bit            CD4021     74HC595 (U39)
 // ------- ------ -------- --------- ---------- ----------------

// For example:
//   python sendGt1.py life3.gt1

// XXX Try higher than 9600 transfer rates again
// XXX Wild idea: let the ROM communicate back by modulating vPulse
// XXX Hardware: Put reset line on the DB9 jack

  prompt();
}

/*
 *  Loop runs repeatedly
 */
void loop()
{
  static char line[20];
