File list (Check if you may need any files):
最小系统测试\main.c
............\STARTUP.A51
............\STARTUP.LST
............\STARTUP.OBJ
............\.YSTEM\delay\delay.c
............\......\.....\delay.h
............\......\README.TXT
............\......\sys\sys.c
............\......\...\sys.h
............\......\usart\usart.c
............\......\.....\usart.h
............\Text1.c
............\Text1.LST
............\Text1.OBJ
............\Text2.c
............\Text2.LST
............\Text2.OBJ
............\Text3.c
............\Text3.LST
............\Text3.OBJ
............\Text4.c
............\Text4.LST
............\Text4.OBJ
............\usart.lst
............\新最小系统.c
............\新最小系统.LST
............\新最小系统.OBJ
............\时钟+调整时间+音乐+秒表.c
............\时钟+调整时间+音乐+秒表.LST
............\时钟+调整时间+音乐+秒表.OBJ
............\时钟.c
............\时钟.LST
............\时钟.OBJ
............\最小系统测试.hex
............\最小系统测试.lnp
............\最小系统测试.M51
............\最小系统测试.Opt
............\最小系统测试.plg
............\最小系统测试.Uv2
............\最小系统测试_Opt.Bak
............\最小系统测试_Uv2.Bak
............\瑞瑞最小系统.c
............\瑞瑞最小系统.LST
............\瑞瑞最小系统.OBJ
............\简单的时钟+调整时间.c
............\简单的时钟+调整时间.LST
............\简单的时钟+调整时间.OBJ
............\简单的时钟.c
............\简单的时钟.LST
............\简单的时钟.OBJ
............\综合.c
............\综合.LST
............\综合.OBJ
............\SYSTEM\delay
............\......\sys
............\......\usart
............\SYSTEM
最小系统测试