About - secretmaterial

Ascending

AREA ASCEND,CODE,READONLY

ENTRY

MOV TO,#0X00000003
LOOP2

MOV R1,#0X03

MOV R2,#0X40000000
LOOP1
LDR R3,[R2]
ADD R2,R2,#0X04
LDR R4,[R2]
CMP R3,R4

BLT LOOP

STR R3,[R2]
SUB R2,R2,#0X04
STR R4,[R2]
ADD R2,R2,#0X04
LOOP
SUB R1,R1,#0X01
CMP R1,#0x00
BNE LOOP1

SUB R0,R0,#0X01

CMP R0,#0X00
BNE LOOP2

NOP

END

NOTE: FOR Descending order replace BLT WITH BGT