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2-2.lst
C51 COMPILER V7.09 2_2 08/25/2005 08:55:25 PAGE 1
C51 COMPILER V7.09, COMPILATION OF MODULE 2_2
OBJECT MODULE PLACED IN 2-2
2-2.c
#include
#include
void main()
{
long x,y;
int a,b,c,d;
x=5;
y=6;
a=7;
b=8;
c=x+a;
d=y+b;
SCON = 0x50;
TMOD |= 0x20;
TH1 = 0xf3;
TR1 = 1;
TI = 1;
printf("
2-2.opt
### uVision2 Project, (C) Keil Software
### Do not modify !
cExt (*.c)
aExt (*.s*; *.src; *.a*)
oExt (*.obj)
lExt (*.lib)
tExt (*.txt; *.h; *.inc)
pExt (*.plm)
CppX (*.cpp)
DaveTm {
2-2.lnp
"STARTUP.obj",
"2-2.obj"
TO "2-2"
2_2.txt
/*74165的输入口接八个开关，74164的输出接八个发光二极管，拨动开关时，
在发光二极管上显示开关状态。
D4：QH--------D5：A，B
D4：JP36------G6：JP80 (74165的输入口接八个开关)
D5：JP49------G6：JP65 (74164的输出接八个发光二极管)
A3：P1.1------D4:CLK,D5:CL
2-2.m
x = logspace(-1,2);%产生具有log特性点组
loglog(x,exp(x))%绘制双对数图形
grid on %打开网格线
2_2.cpp
#include
#include
void main()
{
double a,b,c,s,area;
coutb>>c;
if(a>0&&b>0&&c>0&&a+b>c&&b+c>a&&c+a>b)
{
s=(a+b+c)/2;
area=sqrt(