Section 8,9,3: Integer

 The integer data types have the following ranges:

   BYTE         Same range as INTEGER*1

   INTEGER*1    Signed integers: -128 to 127 (-2**7 to 2**7-1)
   (1 byte)     Unsigned integers: 0 to 255 (2**8-1)
   
   INTEGER*2    Signed integers: -32768 to 32767 
   (2 bytes)                     (-2**15 to 2**15-1)
                Unsigned integers: 0 to 65535 (2**16-1)

   INTEGER*4    Signed integers: -2147483648 to 2147483647 
   (4 bytes)                          (-2**31 to 2**31-1)
                NOTE: On RISC processors, the value of 
                an integer constant must be within this range.

   INTEGER*8    Signed integers: -9223372036854775808 to 
   (AXP only)      9223372036854775807 (-2**63 to 2**63-1)
   (8 bytes)
                NOTE: On Alpha AXP processors, the value of an 
                integer constant must be within this range.

 INTEGER*2, INTEGER*4, and INTEGER*8 values are stored in two's
 complement form.

 Note that logical data type ranges correspond to their comparable
 integer data type ranges.  For example, the LOGICAL*2 range is the
 same as the INTEGER*2 range.

 The value of an integer constant is normally INTEGER*2, INTEGER*4,
 or INTEGER*8 (AXP only).  If a value is within INTEGER*2 range, it
 is treated as an INTEGER*2 value; if a value is outside INTEGER*2
 range, but within INTEGER*4 range, it is treated as an INTEGER*4
 value, and so forth.