1. Use CCSv7 to implement the code in Listings 7.13 in assembly. Use the CCSv7 debugger functions that you know about in order to examine what the code does when it executes. Comment each line of code (instructions, labels, and directives) describing it's purpose in the program.

.cdecls C,LIST, "msp430.h" .text .retain .retainrefs RESET mov.w #--STACK-END, SP mov.w mov . w mov.w #0005h,R5 #0006h,R6 #0007h,R7 call #Replace jmp Replace: mov.w R6,R7 mov.w R5, R6 mov.w R7,R5 ret ;Stack Pointer definition .global STACKEND .sect stack Interrupt Vectors .sect RESET VECTOR .short RESET . end .cdecls C,LIST, "msp430.h" .text .retain .retainrefs RESET mov.w #--STACK-END, SP mov.w mov . w mov.w #0005h,R5 #0006h,R6 #0007h,R7 call #Replace jmp Replace: mov.w R6,R7 mov.w R5, R6 mov.w R7,R5 ret ;Stack Pointer definition .global STACKEND .sect stack Interrupt Vectors .sect RESET VECTOR .short RESET . end