ref: b8ade0f0e74db49b8d1686e29a5d3dabb3a2d93b dir: /sys/src/ape/lib/ap/68020/strcpy.s/
TEXT strcpy(SB), $0 MOVL s1+0(FP), A2 MOVL s2+4(FP), A1 l1: MOVB (A1)+, (A2)+ BNE l1 MOVL s1+0(FP), R0 RTS