|
XOR( ) |
Logical Exclusive OR |
XOR(value1[$],value2[$][,ERR=stmtref])
Where:
|
stmtref |
Program line number or statement label to which to transfer control. |
|
value1[$] |
Compared values. String or numeric expressions/variables. If strings, value1$ must be the same length as value2$. |
Result of logical exclusive 'OR' comparison of two expressions/variables.
The XOR( ) function performs a bit-wise exclusive 'OR' comparison of two string or numeric expressions/variables and generates a value as a result. The length of the two string expressions must be equal or PxPlus returns an Error #46: Length of string invalid.
|
Binary |
Result |
|
0 XOR 0 |
=0 |
|
0 XOR 1 |
=1 |
|
1 XOR 0 |
=1 |
|
1 XOR 1 |
=0 |
Sample Comparison Results:
|
|
XOR($41$,$42$) |
yields Hex 03, 00000011 |
|
|
XOR($41$,$25$) |
yields Hex 64, 01100100 |
|
|
XOR($5A$,$DD$) |
yields Hex 87, 10000111 |
IOR( ) Logical OR
AND( ) Logical AND
0040 read (1,end=1000)F$
0050 R$=xor(F$(1,2),$2020$) ! Convert to lowercase
0060 ...
if pos($00$=xor(ucs(X$),lcs(X$)))=0 then print X$," is all alpha!"