John B. Matthews wrote: >Another good reference is Worth & Lechner's "Beneath Apple >ProDOS", chapter 5, page 9-12, available here: > >ftp://ftp.a2central.com/pub/documents/beyondprodos.pdf Actually, you want: ftp://ftp.a2central.com/pub/documents/beneathprodos.pdf -michael Check out parallel computing for 8-bit Apples on my Home page: http://members.aol.com/MJMahon/