Simulate MSP430 using IAR Embedded Workbench

Hi,

I'm new to TI MSP430 microcontrollers. I installed IAR Embedded Workbench and I wrote a simple assembly code to simulate the TimerA_3 on MSP430F427 to generate a PWM signal on a I/O pin. I studied the device datasheet but I can't find the reason because the Timer doesn't count. Here is the code:

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#include "msp430.h"                     ; #define controlled include file
  
        NAME    main                    ; module name

        PUBLIC  main                    ; make the main label vissible
                                        ; outside this module
        ORG     0FFFEh
        DC16    init                    ; set reset vector to 'init' label

        RSEG    CSTACK                  ; pre-declaration of segment
        RSEG    CODE                    ; place program in 'CODE' segment

init:   MOV     #SFE(CSTACK), SP        ; set up stack

main:   NOP                             ; main program
        MOV.W   #WDTPW+WDTHOLD,&WDTCTL  ; Stop watchdog timer
  
        MOV.W   #255,TACCR0             ; Count up to 255
        MOV.W   #128,TACCR1             ;set initial Duty Cycle (50%)
        MOV.W   #OUTMOD2+OUTMOD1+OUTMOD0,TACCTL1  ; Reset/Set mode for OUT1
       
        BIS.B   #00000100b,P1DIR        ;P1.2 =OUTPUT
        BIS.B   #00000100b,P1SEL        ;P1.2 = TimerA OUT1
       
        MOV.W   #TASSEL1+MC0,TACTL      ;start TimerA in UP mode and select SMCLK like clock source
                                            
        JMP $                           ; jump to current location '$'
                                              ; (endless loop)
        END

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In the register view, in TimerA_3 window, i can't see the TAR counting but remains fixed to 0x0000.

Excuse me for the English (i'm Italian)