Expression Evaluation - Panasonic PanaXSeries MN1030 Series User Manual

Chapter 8 Writing Source Statements
8.7.2

Expression Evaluation

There are seven levels of operator precedence. The order of precedence can be changed using
parentheses ( ). Operators with the same precedence are evaluated in order from left to right.
Precedence
Highest
↑
↑
↑
Lowest
An example of operator is shown below.
c1
c2
_CODE
data1
data2
data3
data4
data5
data6
data7
data8
data9
data10
main
An asterisk * is used as both the self-reference address symbol and the multiplication operator, so take
care in its use. The expression *** will be multiplication of the self-reference address symbol by itself.
140 Expressions
Operator
~ + - Unary negation, unary plus, unary minus
* / % Multiplication, division, remainder
+ - Addition, subtraction
<< >> Left shift, right shift
& Logical AND
^ Exclusive OR
| Logical OR
equ 10
equ 0b01101110
section CODE, PUBLIC, 1
dc c1/3*(3+4)
dc c1%3*(3+4)
dc -c2
dc ~c2
dc c2>>2
dc c1<<2
dc main>>2
dc c2>>2^0b00001111)>>2
dc (c2&0b00001111)
dc c2|0b00001111
org 0x100
mov c2 & 0b00001111, D0
end
Description