User guide

D-31
Compiler Directives and System Tasks
$sformat
Assigns a string value to a specified signal. See IEEE Std
1364-2001 pages 289-290.
$sscanf
Reads characters from an input stream. See IEEE Std 1364-2001
pages 290-293.
$swrite
Assigns a string value to a specified signal, similar to the
$sformat system function. See IEEE Std 1364-2001 pages
289-290.
$ungetc
Returns a character to the input stream. See IEEE Std 1364-2001
page 290.
System Tasks for Loading Memories
$readmemb
Loads binary values in a file into memories.
See IEEE std 1364-2001 pages 295-296.
$readmemh
Loads hexadecimal values in a file into memories.
See IEEE std 1364-2001 pages 295-296.
$sreadmemb
Loads specified binary string values into memories.
See IEEE std 11364-2001 page 744.
$sreadmemh
Loads specified string hexadecimal values into memories.
See IEEE std 1364-2001 page 744.