1 files changed, 41 insertions, 0 deletions
diff --git a/pkg/images/tv/iis/iism70/iistball.x b/pkg/images/tv/iis/iism70/iistball.x
new file mode 100644
index 00000000..ebcc6566
--- /dev/null
+++ b/pkg/images/tv/iis/iism70/iistball.x
@@ -0,0 +1,41 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <mach.h>
+include "iis.h"
+include "../lib/ids.h"
+
+# IISTBALL -- Read, Write tball status to turn tball on/off
+
+procedure iistball (rw, data)
+
+short	rw			# read or write
+short	data[ARB]		# the data
+
+int	command,len
+short	status
+int	and(), or()
+
+include "iis.com"
+
+begin
+	len = 1
+	call iishdr (IREAD, len, CURSOR+COMMAND, 0, 0, 0, 0)
+	call iisio (status, len * SZB_CHAR)
+	if ( rw == IDS_WRITE) {
+	    command = IWRITE+VRETRACE
+	    switch (data[1]) {
+	        case IDS_OFF:
+		    status = and (int(status), 177771B)
+
+	        case IDS_ON:
+		    status = or ( int(status), 6)
+	        }
+	        call iishdr (command, 1, CURSOR+COMMAND, 0, 0, 0, 0)
+	        call iisio (status, 1 * SZB_CHAR)
+	} else {
+	    if ( and ( int(status), 6) == 0 )
+		data[2] = IDS_OFF
+	    else
+		data[2] = IDS_ON
+	}
+end