arm44.s

用C语言调用ARM汇编

	area  	x, code, readonly
	export  strcopy
	
strcopy
    
    ldrb r2,[r1]
    cmp r2,#0
    beq over
    strb r2,[r0]
    add r0,r0,#1
    add r1,r1,#1
    b strcopy 
over
   mov pc,lr
   end