1 files changed, 19 insertions, 0 deletions
diff --git a/sys/gio/gescape.x b/sys/gio/gescape.x
new file mode 100644
index 00000000..c6a1bf63
--- /dev/null
+++ b/sys/gio/gescape.x
@@ -0,0 +1,19 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gio.h>
+
+# GESCAPE -- Pass a device dependent instruction on to the graphics kernel.
+# A unique function code should be assigned each escape function.  The graphics
+# kernel will ignore escapes with unrecognized function codes.
+
+procedure gescape (gp, fn, instruction, nwords)
+
+pointer	gp			# graphics descriptor
+int	fn			# function code (1 - 32767)
+short	instruction[ARB]	# instruction to be transmitted
+int	nwords			# length of instruction
+
+begin
+	call gpl_flush()
+	call gki_escape (GP_FD(gp), fn, instruction, nwords)
+end