diff --git a/led.c b/led.c
index a765fdf..cae1637 100644
--- a/led.c
+++ b/led.c
@@ -1,6 +1,38 @@
 
 #include <parapin.h>
 
+#define LED_A 2
+#define LED_B 3
+#define LED_C 4
+#define LED_D 5
+#define LED_E 6
+#define LED_F 7
+#define LED_G 8
+#define LED_DP 9
+
+#define LED_1 17
+#define LED_2 16
+#define LED_3 14
+
+#define LED_ALL (LED_A | LED_B | LED_C | LED_D | LED_E | LED_F | LED_G | LED_DP | LED_1 | LED_2 | LED_3)
+
+int digit2leds[] = {
+    LED_B | LED_C,
+    LED_A | LED_B | LED_G | LED_E | LED_D,
+    LED_A | LED_B | LED_G | LED_C | LED_D,
+    LED_F | LED_G | LED_B | LED_C,
+    LED_A | LED_F | LED_G | LED_C | LED_D,
+    LED_A | LED_F | LED_G | LED_E | LED_C | LED_D,
+    LED_A | LED_B | LED_C,
+    LED_A | LED_B | LED_C | LED_D | LED_E | LED_F | LED_G,
+    LED_A | LED_B | LED_C | LED_D | LED_F | LED_G
+};
+
 int main
 {
+    /* initialize the parapin user-land library */
+    pin_init_user(LPT1);
+
+    /* set up pins as output pins */
+    pin_output_mode(LED_ALL);
 }