Renesas SH7058 Technical Information download pdf (Page 114)

5.5 Step Functions

5.5.1 Step Execution

Several types of step execution are available, and are shown in table 5.9.

Table 5.9 Step Execution

Type Description Procedure

Click the [Step] button.

Executing each

instruction of a

function as a

single step

Executes each line or instruction as one

step. When a function is called, the call is

executed, and execution stops at the first

line or instruction of the called function.

Select [Step In] from the [Run]

menu.

Click the [Step Over] button.Executing all

instructions of a

function as a

single step

Executes each line or instruction as one

step. When a function is called, all

instructions of the called function are

executed as a single step, and execution

stops at the line or instruction

immediately after the calling line or

instruction. The instructions are executed

only in the RAM area on the user system

and the area that the emulation memory

has been allocated.

Select [Step Over] from the [Run]

menu.

Click the [Step dialog] button,

specify the number of steps in

[Steps] in the [Step Program]

dialog box, and start execution.

Selecting [Step Over Calls] allows

a function call to be executed as

a single step.

Executing a

specified number

of steps

Executes the specified number of steps.

Note that the specified address must be

the start of an instruction. If, for example,

the address of the second byte of an

instruction is specified, execution will not

stop, and the specified number of steps

will still be executed.

Select [Step…] from the [Run]

menu. The settings are the same

as above.

Click the [Step Out] button.Stopping function

execution

Steps out of a function. Execution stops

at the line after the calling line in the

program.

Select [Step Out] from the [Run]

menu.

Note: Breaks become disabled during step execution. However, the trigger is output.

5.5.2 Accepting Interrupts during Step Execution

Interrupts cannot normally be accepted during step execution. Select [Enable interrupts during step

execution] from the [General] page of the [Configuration] dialog box if you want interrupts to be

accepted during step execution.

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