The one-byte logical data type, LOGICAL*1, which has the synonym, BYTE, can hold any of the following:
An integer between -128 and 127
The logical values .TRUE. or .FALSE.
LOGICAL*1 Bit3 / 8 /, C1 / 'W' /, & Counter / 0 /, Switch / .FALSE. /
A LOGICAL*1 item occupies one byte of storage.
LOGICAL*1 is aligned on one-byte boundaries.