Texas Instruments TMS320C6 Series, User Manual

Page: 147 / 304

Basic Commands for Managing Data
7-3 Managing Data
? The ? (evaluate expression) command evaluates an expression and shows
the result in the display area of the COMMAND window. The syntax for this
command is:
? expression
The
expression can be any C expression, including an expression with side
effects. However, you cannot use a string constant or function call in the
expression.
If the result of
expression is scalar, the debugger displays the result as a deci-
mal value in the COMMAND window. If expression is a structure or array, ? dis-
plays the entire contents of the structure or array; you can halt long listings by
pressing
ESC
.
Here are some examples that use the ? command.
Command Result displayed in the COMMAND window
? aai aai[0][0] 1
aai[0][1] 23
aai[0][2] 45
etc.
? j 4194425
? j=0x5a 90
Note that the DISP command (described in detail on page 7-11) behaves like
the ? command when its
expression parameter does not identify an aggregate
type.
eval The EVAL (evaluate expression) command behaves like the ? command but
does not show the result in the display area of the COMMAND window. The
syntax for this command is:
eval expression
or
e
expression
EVAL is useful for assigning values to registers or memory locations in a batch
file where it’s not necessary to display the result.