1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cga.cc b/drivers/cga.cc
index 79facee..961d7e4 100644
--- a/drivers/cga.cc
+++ b/drivers/cga.cc
@@ -100,6 +100,11 @@ void CGA::write(char c) {
         buffer[prev] = buffer[idx];
       }
     }
+
+    // blank out last row
+    for (size_t idx = (max_rows - 1) * max_columns; idx < max_rows * max_columns; ++idx) {
+      buffer[idx].c = ' ';
+    }
     --row;
   }
 }