Gambas Documentation

BTst

Syntax

Result = BTst ( Number , Bit )

Returns TRUE if the Bit^th bit of the Number is set. The bit number of the least significant bit is 0.

The type of Number may be Byte, Short, Integer, or Long.

The valid range of Bit depends on the type of the Number argument.

Type of Number Range of Bit

Byte 0...7

Short 0...15

Integer 0...31

Long 0...63

Message	Description
Type mismatch (#6)	The datatype of the Number argument is not valid.
Bad argument (#20)	The Bit argument is out of range.

PRINT 15, Bin(15, 16)
PRINT BTst(15, 1)

15 0000000000001111
True

PRINT 13, Bin(13, 16)
PRINT BTst(13, 1)

13 0000000000001101
False