3 files changed, 10 insertions, 0 deletions
diff --git a/src/display.cc b/src/display.cc
index 4b4c22d..0a64c18 100644
--- a/src/display.cc
+++ b/src/display.cc
@@ -86,6 +86,14 @@ void Display::multiplex()
 	}
 }
 
+void Display::reset()
+{
+	for (int i = 0; i < 8; i++)
+		disp_buf[i] = 0xff;
+	str_pos = 0;
+	char_pos = -1;
+}
+
 /*
  * Draws a single display column. This function should be called at least once
  * per millisecond.
diff --git a/src/display.h b/src/display.h
index 655ffa1..3eab2a8 100644
--- a/src/display.h
+++ b/src/display.h
@@ -15,6 +15,7 @@ class Display {
 		void enable(void);
 		void disable(void);
 		void multiplex(void);
+		void reset(void);
 		char string[128];
 };
 
diff --git a/src/system.cc b/src/system.cc
index 340615d..6c44a30 100644
--- a/src/system.cc
+++ b/src/system.cc
@@ -75,6 +75,7 @@ void System::loop()
 			i = 0;
 		} else if (modem_char == 0) {
 			i = 0;
+			display.reset();
 		}
 	}
 }