+/*
+ * 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 0x80 P0;
sfr at 0x90 P1;
sfr at 0xA0 P2;
+sfr at 0xC6 CLKCON;
-#define PERCFG SFR(0xF1)
-#define ADCCFG SFR(0xF2)
-#define P0SEL SFR(0xF3)
-#define P1SEL SFR(0xF4)
-#define P2SEL SFR(0xF5)
+sfr at 0xF1 PERCFG;
+sfr at 0xF2 ADCCFG;
+sfr at 0xF3 P0SEL;
+sfr at 0xF4 P1SEL;
+sfr at 0xF5 P2SEL;
sfr at 0xFD P0DIR;
sfr at 0xFE P1DIR;
sfr at 0xF6 P1INP;
sfr at 0xF7 P2INP;
-#define P0IFG SFR(0x89)
-#define P1IFG SFR(0x8A)
-#define P2IFG SFR(0x8B)
+sfr at 0x89 P0IFG;
+sfr at 0x8A P1IFG;
+sfr at 0x8B P2IFG;
-#define nop() _asm \
- nop \
- _endasm;
+#define nop() _asm nop _endasm;
-#if 0
void
-delay (int n)
+delay (unsigned char n)
{
- int i, j, k;
+ unsigned char i = 0, j = 0;
- for (k = 0; k < n; k++) {
- for (j = 0; j < 50; j++)
- for (i = 0; i < 1000; i++)
+ n <<= 1;
+ while (--n != 0)
+ while (--j != 0)
+ while (--i != 0)
nop();
- }
}
void
#define C charspace();
#define W wordspace();
-#endif
-
main ()
{
-#if 0
+ CLKCON = 0;
/* Set p1_1 to output */
P1DIR = 0x02;
P1INP = 0x00;
___ ___ _ _ _ C _ _ _ C /* 7s */
___ ___ _ ___ C ___ ___ _ W /* qg */
}
-#else
- P1DIR = 0x02;
- for (;;);
-#endif
}