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數(shù)據(jù)存儲(chǔ)器擴(kuò)展,一部分空間存放0~9,一部分空間存放A~F,當(dāng)按下按鍵K1時(shí),取出0~9的數(shù)據(jù)在數(shù)碼管上依次顯示;當(dāng)按下按鍵K2時(shí),取出A~F的數(shù)據(jù)在數(shù)碼管上依次顯示;再keil 4上用了c語(yǔ)言做了程序,軟件轉(zhuǎn)換的匯編看不懂,有沒(méi)有大神能寫(xiě)一個(gè)完整的匯編
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit wei=P2^0;
sbit KEY1=P1^1;
sbit KEY2=P1^2;
uchar table1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar table2[]={0x77,0x7c,0x39,0x5e,0x79,0x71};
uint flag,t1,t2,time;
void delayms(uint xms) //延時(shí)函數(shù) 1ms
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void display(uint a)
{
if(a==1)
{
wei=1;
P0=table1[t1];
}
if(a==2)
{
wei=1;
P0=table2[t2];
}
}
void main()
{
TMOD=0x22; // 定時(shí)器 0 ,1
TH0=0x06;
TL0=0x06; // 定時(shí)器0賦初值 計(jì)時(shí) 0.25ms,1000 次為 0.25s,4000 次為一秒
TH1=0x06;
TL1=0x06; // 定時(shí)器1賦初值 計(jì)時(shí) 0.25ms,1000 次為 0.25s,4000 次為一秒
ET0=1; //開(kāi)定時(shí)器0中斷
ET1=1; //開(kāi)定時(shí)器1中斷
EA=1;
flag=2;
time=0;
t1=0;
t2=0;
TR0=1;
TR1=1;
while(1)
{
switch(flag)
{
case 1:display(1);break;
case 2:display(2);break;
}
if(KEY1==0)
{
delayms(3);
if(KEY1==0)
{
flag=1;
}
}
if(KEY2==0)
{
delayms(4);
if(KEY2==0)
{
flag=2;
}
}
}
}
void time0(void) interrupt 1 //定時(shí)器0中斷,定時(shí)器0用于搶答倒計(jì)時(shí)
{
time++;
if(time==4000)
{
t1++;
if(t1==10)
{
t1=0;
}
time=0;
}
}
//定時(shí)器1中斷,定時(shí)器1用于作答倒計(jì)時(shí)
void time1() interrupt 3
{
time++;
TH1=0x06;
TL1=0x06;
if(time==4000)
{
time=0;
t2++;
if(t2==6)
{
t2=0;
}
}
}
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