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;*******************************************************************************
;   MSP430x4xx Demo - Software Toggle P5.1
;
;   Description; Toggle P5.1 by xor'ing P5.1 inside of a software loop.
;   ACLK = n/a, MCLK = SMCLK = default DCO
;
;                 MSP430x4xx
;             -----------------
;         /|\|              XIN|-
;          | |                 |
;          --|RST          XOUT|-
;            |                 |
;            |             P5.1|-->LED
;
;   M.Buccini
;   Texas Instruments, Inc
;   September 2004
;   Built with CCE for MSP430 Version: 1.00
;*******************************************************************************
            .cdecls C,LIST,"msp430f412.h"   ; Include device header file

;-------------------------------------------------------------------------------
            .text                           ; Progam Start
;-------------------------------------------------------------------------------
RESET       mov.w   #300h,SP                ; Initialize stackpointer
StopWDT     mov.w   #WDTPW+WDTHOLD,&WDTCTL  ; Stop WDT
SetupP1     bis.b   #002h,&P5DIR            ; P5.1 output
                                            ;
Mainloop    xor.b   #002h,&P5OUT            ; Toggle P5.1
Wait        mov.w   #050000,R15             ; Delay to R15
L1          dec.w   R15                     ; Decrement R15
            jnz     L1                      ; Delay over?
            jmp     Mainloop                ; Again
                                            ;
;-------------------------------------------------------------------------------
;           Interrupt Vectors
;-------------------------------------------------------------------------------
            .sect   ".reset"                ; MSP430 RESET Vector
            .short  RESET                   ;

            .end