SLAS191A datasheet(28/86 Pages) TI

28 / 86 page

1–22

1.2.11

How to Use Breakpoints

Continue the Getting Started exercise by assembling and downloading the file gs_stk2.asm in the examples

directory as described previously.

This program includes a section for the reset vector, so the program counter is initialized after the download

and each time a user performs a reset.

;****************************************************************************

; Interrupt vectors

;****************************************************************************

.sect

“Int_Vect”, USER_END-1

.word

RESET

; POR, ext. Reset, Watchdog

.end

Start the program by typing g <ENTER>. The display indicates 0, then 1 on the LCD.

Press the <ESC> key to stop the program.

Type u <ENTER> to execute a user reset.

Set the breakpoint by typing s, and then 0264 (address) <ENTER>. This breakpoint stops the

program prior to changing the display.

Type s <ENTER> to stop the program. It stops prior to changing the display. Step through the

program by pressing the space bar showing how the display changes.

Clear the breakpoint by typing c, and then 0264 (address) <ENTER>.

Figure 1–19 shows these commands as they appear on the display.

SLAS191A データシート(PDF) 28 Page - Texas Instruments