NSC: Historical details in comments

README.md

@@ -15,7 +15,7 @@ The included disks include:
 
 ## Goal
 
-Like the `NS.CLOCK.SYSTEM` (author?) ideally we would have:
+Like the `NS.CLOCK.SYSTEM` (by "CAP") ideally we would have:
 
 * A ProDOS `.SYSTEM` file
 * Which detects the presence of a Cricket

ns.clock.system.s

@@ -1,3 +1,10 @@
+;;; NS.CLOCK.SYSTEM
+;;; Original by "CAP" 04/21/91
+;;; http://www.apple2.org.za/gswv/a2zine/GS.WorldView/v1999/Oct/MISC/NSC.Disk.TXT
+
+;;; Modification history available at:
+;;; https://github.com/inexorabletash/cricket
+
         .setcpu "6502"
         .linecont +