User`s guide

58 Analyzin

Waveforms in Probe

Table 17-12 presents the operators available for digital signal

and bus expressions listed in order of precedence (high to low).

An arithmetic or logical operation between two bus operands

results in a bus value that is as wide as is necessary to contain

the result. Prior to the operation, if necessary, the shorter

operand is extended to the width of the longer operand by zero-

filling on the high-order end.

An arithmetic or logical operation between a bus operand and a

signal operand results in a bus value. Prior to the operation, the

signal is converted to a bus of width one, then extended if

necessary.

radix applies only to bus expressions and denotes

the radix in which the bus value is to be

displayed; the radix is specified as:

H or X hexadecimal (default)

D decimal

O octal

B binary

Table 17-12

Digital Logical and Arithmetic Operators

Operato

Meanin

() grouping

~ logical complement

* multiplication (bus values only)

/ division (bus values only)

+ addition (bus values only)

- subtraction (bus values only)

&and

^ exclusive or

|or

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