--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/simtest/volt.c	Sat Feb 09 08:09:32 2019 +0000
@@ -0,0 +1,20 @@
+#include <sys/types.h>
+#include <strings.h>
+#include "types.h"
+#include "abbdefs.h"
+
+void
+cmd_volt(argbulk)
+	char *argbulk;
+{
+	char *argv[2];
+
+	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
+		return;
+	if (!strcmp(argv[0], "1.8"))
+		abb_reg_write(VRPCSIM, 2);
+	else if (!strcmp(argv[0], "3"))
+		abb_reg_write(VRPCSIM, 3);
+	else
+		printf("ERROR: \"1.8\" or \"3\" argument expected\n");
+}