Effect

Performs a bitwise OR-operation (logical inclusive or) between two expressions.

The bit is set if either one of the bits is set. For each bit, the results are:

0 OR 0 = 0
0 OR 1 = 1
1 OR 0 = 1
1 OR 1 = 1

Syntax

<Value> OR <Value>

Parameter

<Value> is a value between -32768 and 32767. It can also be a numeric variable, a mathematical expression or expression from a condition.

Notes:
- If you use binary expressions, it is best to put the first expression in parenthesis to avoid the bug in interpreter that causes a syntax error. This problem does not happen with decimal, hexadecimal or octal expressions.
- When the expression is performed in a condition (IF...THEN...ELSE or IF...GOTO...ELSE), if the result of the whole expression is zero the value is taken as false, otherwise it's taken as true.

Examples

PRINT 15 OR 11

15

Binary explanation:

1111 
1011  OR
----
1111

PRINT 5 OR 13

5

Binary explanation:

0101 
1101  OR
----
1101

PRINT &B00001111 OR &B11110001

Syntax error

PRINT (&B00001111) OR &B11110001

255

Related to

AND, EQV, IMP, MOD, NOT, XOR

Compatibility

MSX-BASIC 1.0 or higher