1 files changed, 4 insertions, 1 deletions
diff --git a/globals.h b/globals.h
index 9f13c6a..f9d83f1 100644
--- a/globals.h
+++ b/globals.h
@@ -294,8 +294,11 @@ unsigned long long ms_timer (void);
 
 #define max_gpib_input_length 512
 
+#define max_dacs 16	// total number of DACs, including extras on PCB 313A, if used
+#define std_dacs 8	// number of DACs on OP1B PCB
+
 typedef struct {
-	int parallel_DAC_reg[8];
+	int parallel_DAC_reg[max_dacs];
 	long shift_reg_out[num_out_SRs];
 	long last_relay_driver_settings[4];
 	int oper_enable_register;       /* for stat:enable command */