Enhanced INT return handling, and reorganized some disks.

disks/pc/xenix/sco/8086/2.1.3/README.md

@@ -0,0 +1,17 @@
+Installation Notes
+---
+
+Boot from disk "N1" (must not be write-protected).
+
+Serial number: sco005312
+activation key: thmjvbqz
+
+Note: this Xenix version can't run with a VGA card.
+You can use a Hercules monochrome card or a CGA/EGA card.
+
+Manifest Details
+---
+
+[Manifest](manifest.xml) update using:
+
+	find -L private -name "*" -type f -exec node ../../../../../modules/diskdump/bin/diskdump --format=json --output=. --manifest --title="SCO Xenix 8086 Operating System v2.1.3" --disk={} \;