add mode description to help text

diff --git a/libtrbnet/trbcmd.c b/libtrbnet/trbcmd.c
index adc89f09ee57a871011da76d78af816581328514..7921768a69a5067661bb920231ea4cea83325275 100644 (file)
--- a/libtrbnet/trbcmd.c
+++ b/libtrbnet/trbcmd.c
@@ -122,7 +122,11 @@ void usage(const char *progName)
   fprintf(stdout, "   w <trbaddress> <register> <data>                 -> "
           "write register\n");
   fprintf(stdout, "   rm <trbaddress> <register> <size> <mode>         -> "
-          "read register-memory\n");
+          "read register-memory\n"
+          "                                                       "
+          "mode 0: consecutive addresses\n"
+          "                                                       "
+          "mode 1: repeat same address\n");
   fprintf(stdout, "   rmt <trbaddress> <register> <size> <mode>        -> "
           "read register-memory&\n"
           "                                                       "