Ted Ashton ([log in to unmask]) wrote:
: Can anyone give me information on the EDIT PB instruction?  I'm assuming it
: existed on the Series II and I know that it's octal 20470 and that you
: push onto the stack the address of a "program", a destination pointer, a
: data pointer (all word addresses, I believe) and a 0 and then
:   ASSEMBLE(CON %20470)
: Ted

Almost, they are byte address.

It is documented in the Machine Instruction Set manual, 30000-90022.
Printed in 2/80.  10 pages.

You could compile with COBOLII and decompile the edit subprogram.