1 files changed, 4 insertions, 0 deletions

diff --git a/io/model.h b/io/model.h
index 8758a43..2826170 100644
--- a/io/model.h
+++ b/io/model.h
@@ -13,6 +13,10 @@ struct iomodel {
     event_log log;
     std::uint64_t time = 0;
     bool interact(std::array<std::uint_fast32_t, NUM_CTLREGS> &ctlregs);
+    bool done() {
+        return log.lower_bound(time) == log.end();
+    }
 
+    std::uint64_t load_time = 0;
     void load_evt(std::istream &fh);
 };