25 lines
424 B
ArmAsm
25 lines
424 B
ArmAsm
|
/* How to use Syscall 4 to write a string */
|
||
|
|
||
|
.global _start
|
||
|
_start:
|
||
|
|
||
|
MOV R5, #100352
|
||
|
SUB R5 , R5 , #352
|
||
|
_loop:
|
||
|
MOV R7, #4 @ Syscall number
|
||
|
MOV R0, #1 @ Stdout is monitor
|
||
|
MOV R2, #19 @ string is 19 chars long
|
||
|
LDR R1,=string @ string located at string:
|
||
|
SWI 0
|
||
|
SUBS R5 , R5 , #1
|
||
|
BNE _loop
|
||
|
|
||
|
_exit:
|
||
|
@ exit syscall
|
||
|
MOV R7, #1
|
||
|
SWI 0
|
||
|
|
||
|
.data
|
||
|
string:
|
||
|
.ascii "Hello World String\n"
|