/* 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"