浙江工业大学嵌入式系统原理实验(共1页).doc

精选优质文档-倾情为你奉上嵌入式系统 实验三3.1#include extern void strsswap(char *d,char *s);int main() char *str1=content of string1; char *str2=content of string2; strsswap(str1,str2); printf (%sn,str1); printf (%sn,str2); return(0);AREA SCopy, CODE, READONLYGLOBAL strsswapstrsswap LDRB R2, R0 LDRB R3, R1 STRB R2, R1, #1 STRB R3, R0, #1