??#include
#define?uint?unsigned?int
#define?uchar?unsigned?char


uchar?code?table[]={
0x3f0x060x5b0x4f
0x660x6d0x7d0x07
0x7f0x6f0x770x7c
0x390x5e0x790x710};
uchar?numtempnum1;
void?delay（uint?z）
{
	uint?xy;
	for（x=z;x>0;x--）
		for（y=110;y>0;y--）;
}
disp（uchar?num）
{
?P2=table[num-1];

}
scan（）
{
P3=0xef;
temp=0xef;
if（P3!=temp）
{??
???delay（5）;
???if（P3!=temp）
???{??temp=P3;
????while（P3!=0xef）?;

	switch（temp）
	{case?0xee?:disp（1）;break;
	case?0xed?:	disp（5）;break;
	case?0xeb?:	disp（9）;break;
	case?0xe7?:	disp（13）;break;}

???}


}
P3=0xdf;
temp=0xdf;
if（P3!=temp）
{??
???delay（5）;
???if（P3!=temp）
???{??temp=P3;
????while（P3!=0xdf）?;

	switch（temp）
	{case?0xde?:disp（2）;break;
	case?0xdd?:	disp（6）;break;
	case?0xdb?:	disp（10）;break;
	case?0xd7?:	disp（14）;break;}

???}


}
P3=0xbf;
temp=0xbf;
if（P3!=temp）
{??
???delay（5）;
???if（P3!=temp）
???{??temp=P3;
????while（P3!=0xbf）?;

	switch（temp）
	{case?0xbe?:disp（3）;break;
	case?0xbd?:	disp（7）;break;
	case?0xbb?:	disp（11）;break;
	case?0xb7?:	disp（15）;break;}

???}


}
P3=0x7f;
temp=0xef;
if（P3!=temp）
{??
???delay（5）;
???if（P3!=temp）
???{??temp=P3;
????while（P3!=0x7f）?;

	switch（temp）
	{case?0x7e?:disp（4）;break;
	case?0x7d?:	disp（8）;break;
	case?0x7b?:	disp（12）;break;
	case?0x77?:	disp（16）;break;}

???}


}



















}

void?main（）
{
?P2=0x0;
while（1）
{
?scan（）;

}


}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-02-27?23:16??RECORD\
?????目錄???????????0??2011-02-23?21:14??RECORD\4X4鍵盤\
?????文件???????87829??2011-02-15?22:19??RECORD\4X4鍵盤\4X4?鍵盤.DSN
?????文件????????1501??2011-02-09?11:31??RECORD\4X4鍵盤\4x4鍵盤.txt
?????目錄???????????0??2011-02-15?22:19??RECORD\4X4鍵盤\代碼\
?????文件????????6376??2005-03-22?15:22??RECORD\4X4鍵盤\代碼\STARTUP.A51
?????文件????????4326??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤
?????文件????????1502??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.c
?????文件????????1021??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.hex
?????文件??????????40??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.lnp
?????文件????????4527??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.LST
?????文件????????6770??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.M51
?????文件????????4868??2011-02-15?22:18??RECORD\4X4鍵盤\代碼\鍵盤.OBJ
?????文件?????????993??2011-02-15?22:19??RECORD\4X4鍵盤\代碼\鍵盤.Opt
?????文件?????????755??2011-02-15?22:19??RECORD\4X4鍵盤\代碼\鍵盤.plg
?????文件????????2149??2011-02-15?21:35??RECORD\4X4鍵盤\代碼\鍵盤.Uv2
?????文件?????????993??2011-02-15?21:35??RECORD\4X4鍵盤\代碼\鍵盤_Opt.Bak
?????文件???????????0??2011-02-15?21:33??RECORD\4X4鍵盤\代碼\鍵盤_Uv2.Bak
?????目錄???????????0??2011-02-20?21:36??RECORD\8255\
?????目錄???????????0??2011-02-20?21:36??RECORD\8255\模式0\
?????文件??????123689??2011-02-18?01:28??RECORD\8255\模式0\Last?Loaded?用8255模式0實(shí)現(xiàn)接口擴(kuò)展.DBK
?????目錄???????????0??2011-02-18?01:23??RECORD\8255\模式0\模式0\
?????文件????????6673??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0
?????文件????????1466??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.c
?????文件????????1677??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.hex
?????文件??????????42??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.lnp
?????文件????????4421??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.LST
?????文件????????9013??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.M51
?????文件????????7860??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.OBJ
?????文件?????????995??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.Opt
?????文件?????????329??2011-02-18?01:23??RECORD\8255\模式0\模式0\模式0.plg
............此處省略300個文件信息