1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/images/tv/iis/iism70/iispack.x b/pkg/images/tv/iis/iism70/iispack.x
new file mode 100644
index 00000000..4c2c70f3
--- /dev/null
+++ b/pkg/images/tv/iis/iism70/iispack.x
@@ -0,0 +1,21 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include "../lib/ids.h"
+
+# IISPACK -- Pack color or frame data into a single word.
+
+short procedure iispack (data)
+
+short	data[ARB]
+int	value, bit, i
+int	or()
+
+begin
+	value = 0
+	for (i=1;  data[i] != IDS_EOD;  i=i+1) {
+	    bit = data[i] - 1
+	    value = or (value, 2 ** bit)
+	}
+
+	return (value)
+end