It runs fine now on my XP machine. I'm glad you found a workaround for the problem, it's a beautiful piece. Thanks for sharing. Rory. 2008/11/29 Julian Peterson : > Ah, yes, good find. There is a discrepancy between table sizes. If I > change line 59 to read: > iouttable ftgen itabnum,0,128,-2,0 > instead of: > iouttable ftgen itabnum,0,64,-2,0 >