1 files changed, 36 insertions, 0 deletions
diff --git a/unix/gdev/m70vms/zwrm70.x b/unix/gdev/m70vms/zwrm70.x
new file mode 100644
index 00000000..7cc1ef8a
--- /dev/null
+++ b/unix/gdev/m70vms/zwrm70.x
@@ -0,0 +1,36 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+include	<knet.h>
+include	"m70.h"
+
+# ZWRM70 -- Initiate an asynchronous write to the IIS.
+
+procedure zwrm70 (chan, buf, nbytes, offset)
+
+int	chan			# FCB pointer for device
+char	buf[ARB]		# input buffer
+int	nbytes			# number of  bytes to write
+long	offset			# not used for this device
+
+pointer	fcb
+short	rwflag, opcd, nwords, ier
+data	rwflag /IIS_WRITE/, opcd /EFN/
+
+begin
+	fcb = chan
+	if (FCB_KCHAN(fcb) == NULL) {
+	    nwords = nbytes / (SZ_SHORT * SZB_CHAR)
+	    call m70io (Mems[fcb], buf, nwords, rwflag, opcd, FCB_IOSB(fcb,1),
+		ier)
+
+	    FCB_NBYTES(fcb) = nbytes
+	    FCB_EFN(fcb)    = opcd
+
+	    if (ier != 0)
+		FCB_STATUS(fcb) = ERR
+	    else
+		FCB_STATUS(fcb) = IIS_WRITE
+	} else
+	    call zawrbf (FCB_KCHAN(fcb), buf, nbytes, offset)
+end