2.简易计算器
............\Last Loaded 简易计算器.DBK
............\简易计算器.DDB
............\简易计算器.doc
............\简易计算器.DSN
............\简易计算器.dwg
............\简易计算器.PWI
............\简易计算器C程序
............\...............\Calculator
............\...............\Calculator.hex
............\...............\Calculator.lnp
............\...............\Calculator.M51
............\...............\Calculator.Opt
............\...............\Calculator.plg
............\...............\Calculator.Uv2
............\...............\Calculator_main.c
............\...............\Calculator_main.LST
............\...............\Calculator_main.OBJ
............\...............\Calculator_Opt.Bak
............\...............\Calculator_Uv2.Bak
............\...............\Last Loaded 简易计算器2.DBK
............\...............\STARTUP.A51
............\...............\STARTUP.LST
............\...............\STARTUP.OBJ
............\...............\简易计算器2.PWI
............\...............\简易计算器硬件使用源代码.txt
............\简易计算器主程序流程图asm.vsd
............\简易计算器定时中断子程序流程图asm.vsd
............\简易计算器键盘扫描子程序流程图asm.vsd
............\简易计算器键盘输入处理子程序流程图asm.vsd