LDR	R1,=0x80000000	;R1=0x80000000
LDR	R3,=0xF31E4598	;R3=0xF31E4598
LDR	R4,=0x1A2B3D4F	;R4=0x1A2B3D4F
STR	R3,[R1]	
;(STR R3,[R1])stores R3 to location 0x80000000
STR	R4,[R1,#4] 
;(STR R4,[R1+4]) stores R4 to location 0x80000004
LDRH	R2, [R1]   
;loads two bytes from location 0x80000000 to R2	
LDRH	R2, [R1,#1] 
;loads two bytes from location 0x80000001 to R2
LDRH	R2, [R1,#2] 
;loads two bytes from location 0x80000002 to R2
LDRH  	R2, [R1,#3] 
;loads two bytes from location 0x80000003 to R2