Technical data

GUI_expression_format

ModelSim EE/PLUS Reference Manual ModelSim EE Graphic Interface

239

Array variables

Signal attributes

<name>’event

<name>’rising

<name>’falling

Operators

Variable T

Name of a signal -- VHDL signals of type bit or std_logic_vector

-- VLOG register

-- VLOG net array

A subrange or index may be specified in either VHDL or VLOG syntax.

Examples: mysignal(1 to 5), mysignal[1:5], mysignal (4), mysignal [4]

Operator Description Operator Description

&& boolean and nor/NOR bitwise nor

|| boolean or xor/XOR bitwise xor

! boolean not xnor/XNOR bitwise xnor

== equal sll/SLL shift left logical

!= not equal sla/SLA shift left arithmetic

=== exact equal srl/SRL shift right logical

!== exact not equal sra/SRA shift right arithmetic

< less than ror/ROR rotate right

<= less than or equal rol/ROL rotate left

> greater than + arithmetic add (used

with vectors)

>= greater than or equal - arithmetic subtract

not/NOT bitwise not * arithmetic multiply

and/AND bitwise and / arithmetic divide