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Objective of this lab:

	To explore ARM addressing modes and implement them in Keil uVision 5 

Preparation

	Read lab lecture notes.

Lab Assignment

Program#1:

;The semicolon is used to lead an inline documentation
;When you write your program, you could have your info at the top document lock
;For Example:  Your Name, Student Number, what the program is for, and what it does etc.

;;; Directives
          PRESERVE8
          THUMB       
 
; Vector Table Mapped to Address 0 at Reset
; Linker requires __Vectors to be exported
 
          AREA    RESET, DATA, READONLY
          EXPORT  __Vectors
 
__Vectors 
	  DCD  0x20001000     ; stack pointer value when stack is empty
          DCD  Reset_Handler  ; reset vector
  
          ALIGN
		  
;Your Data section
	;AREA DATA
SUMP    DCD SUM
N 	DCD 7
NUM1 	DCD 3, -7, 2, -2, 10, 20, 30
POINTER DCD NUM1

 AREA    MYRAM, DATA, READWRITE
SUM 	DCD 0
 
; The program
; Linker requires Reset_Handler
 
          AREA    MYCODE, CODE, READONLY
 
   	  ENTRY
   	  EXPORT Reset_Handler
 
 
Reset_Handler

;;;;;;;;;;User Code Start from the next line;;;;;;;;;;;;

;	Please complete the program to add up all the 
;	numbers in the array NUM1 that are greater than 5.
;	Put the sum in the register R0.

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

You will hand in the following:

• The source code in the file AddGT.s
• All the required conponents in the file AddGT.pdf
  1. The source code in the file AddGT.s
  2. The screenshot (print screen) to show the program has been successfully built
  3. The screenshot showing the sum in R0.

Program#2:

;The semicolon is uded to lead an inline documentation
;When you write your program, you could have your info at the top document lock
;For Example:  Your Name, Student Number, what the program is for, and what it does etc.

;;; Directives
          PRESERVE8
          THUMB       
 
; Vector Table Mapped to Address 0 at Reset
; Linker requires __Vectors to be exported
 
          AREA    RESET, DATA, READONLY
          EXPORT  __Vectors
 
__Vectors 
	  DCD  0x20001000     ; stack pointer value when stack is empty
          DCD  Reset_Handler  ; reset vector
  
          ALIGN
		  
;Your Data section
	;AREA DATA
;Max 	DCD 0
MaxP 	DCD Max
;Min	DCD 0
MinP	DCD Min

N 	DCD 12
NUM1 	DCD 3, -7, 2, -2, 10, 20, 30, 15, 32, 8, 64, 66
POINTER DCD NUM1

 AREA    MYRAM, DATA, READWRITE
Max 	DCD 0
Min 	DCD 0
 
; The program
; Linker requires Reset_Handler
 
          AREA    MYCODE, CODE, READONLY
 
   	  ENTRY
   	  EXPORT Reset_Handler
 
 
Reset_Handler

;;;;;;;;;;User Code Start from the next line;;;;;;;;;;;;;;;;;

;	Add code below to find the maximum value and 
;	the minimum value in the number array NUM1.
;	You can use the example in the notes as a reference.

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

You will hand in the following:

• The source code in the file Min-Max.s
• All the required components in the file Min-Max.pdf
  1. The source code in the file Min-Max.s
  2. The screenshot (print screen) to show the program has been successfully built
  3. The screenshot showing the Min in R5 and the Max in R6.