*20 MAINDEC 12-D1CA-D PDP-12 ADDRESS TEST STARTING ADDRESS LOC. 20 SWITCH SETTINGS SR00 = 1 SUPPRESS HALT SR01 = 1 SUPPRESS PRINTOUT SR02 = 1 SCOPE LOOP ON ERROR ALSO SET SR9 SR10 AND SR11 TO THE NUMBER OF THE MEMORY BANK YOU WISH TO TEST. THIS WOULD BE 000 IN A BASIC 4K MACHINE.