Chapter 3 Creating and Editing Screens
3.14.3.2 Logical Operation
There are six logical operations which include OR, AND, XOR, NOT, Shift-left and
Shift-right. There are three operands for each operation and each operand can be
internal memory or constant, but it is internal memory only when outputting. The unit
can be Word and Double Word.
| (Logical OR operation)
Equation
Var1 = Var2 | Var3
Explanation
Perform the logical OR operation on Var2 and Var3, and save the result of this
calculation in Var1.
Remark
The calculation result can be stored as WORD and DWORD.
Var1 can be internal memory only. Var2 and Var3 can be internal memory or
constant.
Example
Perform the logical OR operation on $0 and $1, and save the result in $2 (this is an
operation of unsigned 16-bit data)
$2 = $0 | $1 Store the result of $2. $0 = F000H, $1 = 0F00H, then $2 = FF00H.
Perform the logical OR operation on $3 and $5, and save the result in $7 (this is an
operation of unsigned 32-bit data)
Revision May, 2010 3-321
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