4MELFA-BASIC V
MELFA-BASIC V functions 4-121
Note1) Please refer to Page 122, "Relative calculation of position data (multiplication)".
Note 2) Please refer to Page 122, "Relative calculation of position data (Addition)".
Logical
operation
And Logical AND operation M1=M_Inb(1) And &H0F ’Convert the input signal bit 1 to 4 status and substitute in numeric
variable M1. (Input signal bits 5 to 8 remain OFF.)
Or Logical OR operation M_Outb(20)=M1 Or &H80 ’Output the numeric variable M1 value to output signal bit 20 to 27.
Output bit signal 27 is always ON at this time.
Not NOT operation M1=Not M_Inw(1) ’Reverse the status of input signal bit 1 to 16 to create a value, and
substitute in numeric variable M1.
Xor Exclusive OR
operation
N2=M1 Xor M_Inw(1) ’Obtain the exclusive OR of the states of M1 and the input signal bits 1
to 16, convert into a value and substitute in numeric variable M2.
<< Logical left shift
operation
M1=M1<<2 ’Shift numeric variable M1 two bits to the left.
>> Logical right shift
operation.
M1=M1>>1 ’Shift numeric variable M1 bit to the right.
Class Operator Meaning Statement example
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