Thanks for the help
If i use g77 the errors are:
Microsoft Windows XP [Versione 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>g77 LAYER.FOR
LAYER.FOR:1:
PROGRAM LAYER (INPUT,OUTPUT,TAPE5=INPUT,TAPE6=OUTPUT,TAPE1,TAPE2,
^
Invalid form for PROGRAM...