ref: 1d563ec8e9a5a485597a9f9c24d1f5a698f2c8a3 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