View source for Quiz 6.1

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r4 = 0x8100, r5 unchanged
r4 = 0x8101, r5 = 0x0001
r4 = 0x0003, r5 = 0x0001
r4 = 0x0003, r5 = 0x0004
r4 = 0x0003, r5 = 0x8101
r4 = 0x0006, r5 = 0x8101
r4 = 0x0006, r5 = 0x8103
r4 = 0x0006, r5 = 0x0004
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You can play with this program below, and see it yourself.  Just remember that #tab1 is 0x4400 on the MSP430F5529.

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;-------------------------------------------------------------------------------
; MSP430 Assembler Code Template for use with TI Code Composer Studio
;
;
;-------------------------------------------------------------------------------
            .cdecls C,LIST,"msp430.h"       ; Include device header file
tab1:

	 	.byte 1,2
      		.byte 3,4
      		.byte 5,6
      		.byte 7,8
tab2: 		.word tab1+0
      		.word tab1+1
      		.word tab1+2
      		.word tab1+3
      		.word tab1+4
      		.word tab1+5
      		.word tab1+6
      		.word tab1+7
            
;-------------------------------------------------------------------------------
            .def    RESET                   ; Export program entry-point to
                                            ; make it known to linker.
;-------------------------------------------------------------------------------
            .text                           ; Assemble into program memory.
            .retain                         ; Override ELF conditional linking
                                            ; and retain current section.
            .retainrefs                     ; And retain any sections that have
                                            ; references to current section.

;-------------------------------------------------------------------------------
RESET       mov.w   #__STACK_END,SP         ; Initialize stackpointer
StopWDT     mov.w   #WDTPW|WDTHOLD,&WDTCTL  ; Stop watchdog timer


;-------------------------------------------------------------------------------
; Main loop here
;-------------------------------------------------------------------------------
			mov.w #tab1,r4
			mov.b @r4+,r5
			mov.w #3,r4
			mov.b tab1(r4),r5
			mov.w tab2(r4),r5
			add.w r4,r4
			mov.w tab2(r4),r5
			mov.b @r5,r5
			jmp $

                                            

;-------------------------------------------------------------------------------
; Stack Pointer definition
;-------------------------------------------------------------------------------
            .global __STACK_END
            .sect   .stack
            
;-------------------------------------------------------------------------------
; Interrupt Vectors
;-------------------------------------------------------------------------------
            .sect   ".reset"                ; MSP430 RESET Vector
            .short  RESET
            
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