1 files changed, 18 insertions, 0 deletions
diff --git a/pkg/images/tv/display/zersim.x b/pkg/images/tv/display/zersim.x
new file mode 100644
index 00000000..c1b280e4
--- /dev/null
+++ b/pkg/images/tv/display/zersim.x
@@ -0,0 +1,18 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"zdisplay.h"
+
+# ZERSIM -- Erase binary file display device.
+
+procedure zersim (chan)
+
+int	chan[ARB]
+int	device
+
+begin
+	device = chan[1] / DEVCODE
+	switch (device) {
+	case IIS_CHAN:
+	    call iisers (chan)
+	}
+end