任务级任务切换时的80x86堆栈结构Task level mission of the 80x86 stack structure switching-Task-level mission of the 80x86 switch stack structure Task level mission of the 80x86 stack structure switching

基于80x86指令系统的字符串匹配查找程序，结构清晰，易于理解。-A asm program used for finding characters.