1 files changed, 23 insertions, 0 deletions
diff --git a/sys/gio/grmove.x b/sys/gio/grmove.x
new file mode 100644
index 00000000..aa4e5b45
--- /dev/null
+++ b/sys/gio/grmove.x
@@ -0,0 +1,23 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gio.h>
+
+# GRMOVE -- Relative move, i.e., move the pen to the specified offset from the
+# current position (without generating any output).
+
+procedure grmove (gp, x, y)
+
+pointer	gp			# graphics descriptor
+real	x, y			# offset from current position
+real	cx, cy
+
+begin
+	call gpl_flush()
+	if (IS_INDEF(x) || IS_INDEF(y))
+	    call gadraw (gp, x, y)
+	else {
+	    call gcurpos (gp, cx, cy)
+	    if (!(IS_INDEF(cx) || IS_INDEF(cy)))
+		call gamove (gp, cx + x, cy + y)
+	}
+end