Initial Commit - Copy from Altus Metrum AltOS

ao-tools/target/simple/simple.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2008 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+sfr at 0x90 P1;
+sfr at 0xC6 CLKCON;
+
+sfr at 0xFE P1DIR;
+sfr at 0xF6 P1INP;
+
+void delay(int n) __reentrant
+{
+	while (n--)
+		_asm nop _endasm;
+}
+int
+main (void) __reentrant
+{
+	long i;
+	CLKCON = 0;
+	/* Set p1_1 to output */
+	P1DIR = 0x02;
+	for (;;) {
+		P1 ^= 0x2;
+		for (i = 0; i < 1000; i++)
+			delay(1000);
+	}
+}