Of course I'm curious why this is on the front page of HN today - but to speed things along, a simulation of the loom using Jacquard floppies (loaded from disk) and patterns : http://www.arahne.si/how-to-make-a-fabric.html
The Jacquard loom contains a distant forerunner of the punchcard used in large numbers to emulate a ROM with a program, making it the first programmable piece of industrial machinery.