1 files changed, 51 insertions, 0 deletions
diff --git a/pkg/images/tv/iis/iism70/iisifm.x b/pkg/images/tv/iis/iism70/iisifm.x
new file mode 100644
index 00000000..ef04a1be
--- /dev/null
+++ b/pkg/images/tv/iis/iism70/iisifm.x
@@ -0,0 +1,51 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <mach.h>
+include "iis.h"
+include "../lib/ids.h"
+
+define	LUT_IMAX	255
+
+# IISIFM -- Read and Write INPUT look up table.
+# Written data is from line end points, read data
+# is full array.
+
+procedure iisifm (rw, offset, n, data)
+
+short	rw			# read or write
+short	offset			# offset into lut
+short	n			# number of data values
+short	data[ARB]		# the data
+
+int	command,len,x,y
+pointer	sp, idata
+
+include "iis.com"
+
+begin
+	if ( rw == IDS_WRITE) {
+	    if (n < 4)
+	        return
+
+	    call smark (sp)
+	    call salloc (idata, LEN_IFM, TY_SHORT)
+	    call aclrs (Mems[idata], LEN_IFM)
+
+	    command = IWRITE+VRETRACE
+	    call idslfill (data, int(n), Mems[idata], LEN_IFM, 0, LUT_IMAX)
+	    len = LEN_IFM
+	} else {
+	    len = n
+	    command = IREAD+VRETRACE
+	}
+
+	y = ADVYONXOV
+	x = ADVXONTC
+	call iishdr (command, len, IFM, x, y, 0, 0)
+
+	if (rw == IDS_WRITE) {
+	    call iisio (Mems[idata], len * SZB_CHAR)
+	    call sfree (sp)
+	} else
+	    call iisio (data, len * SZB_CHAR)
+end