1 files changed, 7 insertions, 0 deletions
diff --git a/bus.h b/bus.h
index d9ec330..e8bfa3a 100644
--- a/bus.h
+++ b/bus.h
@@ -10,6 +10,13 @@
 
 #include <stdint.h>
 
+#define out_DATA_LINE 0         /* out data signaled on 0 output of decoder */
+#define out_CLOCK_LINE 1        /* out clock signaled on 1 output of decoder */
+#define out_STROBE_LINE 2       /* out latch strobe on 2 output of decoder */
+#define O_GATE 3                /* gates output */
+#define OUTPUT_RELAY 4          /* output enable/disable relay */
+#define PW_ENABLE 5             /* TTL enable/disable output */
+
 #define GPIOPIN0BASE 0
 #define GPIOPIN1BASE 0
 #define GPIOPIN2BASE 0