initial cleanup and mapping

examples/blink.rtb

@@ -0,0 +1,30 @@
+// blink.rtb:
+//    Blink program in Return to Basic
+//
+// Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
+//**********************************************************************
+// This file is part of wiringPi:
+//	https://projects.drogon.net/raspberry-pi/wiringpi/
+//
+//    wiringPi is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    wiringPi is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with wiringPi.  If not, see <http://www.gnu.org/licenses/>.
+ ***********************************************************************
+//
+PinMode (0, 1) // Output
+CYCLE 
+  DigitalWrite (0, 1) // Pin 0 ON
+  WAIT (0.5) // 0.5 seconds
+  DigitalWrite (0, 0)
+  WAIT (0.5)
+REPEAT 
+END