Files
2018-01-27 22:35:41 +09:00

24 lines
281 B
ArmAsm

/ C library -- write
/ nwritten = write(file, buffer, count);
/
/ nwritten == -1 means error
.globl _write, cerror
_write:
mov r5,-(sp)
mov sp,r5
mov 4(r5),r0
mov 6(r5),0f
mov 8(r5),0f+2
sys 0; 9f
bec 1f
jmp cerror
1:
mov (sp)+,r5
rts pc
.data
9:
sys write; 0:..; ..