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📄 微机原理实验内容.htm

📁 实现交通灯功能的汇编程序.
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<HTML><HEAD><TITLE>微机原理实验内容</TITLE>
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<P style="MARGIN-BOTTOM: 15px" align=left><FONT face=幼圆 
size=4>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A name=top></A>《微机原理》实验内容</FONT></P>
<TABLE width="100%" border=0>
  <TBODY>
  <TR>
    <TD width="33%"><A href="http://home.jznu.net/lbnet/sy/synr.htm#1a">实验一 
      简单输入、输出实验</A></TD>
    <TD width="33%"><A 
      href="http://home.jznu.net/lbnet/sy/synr.htm#2">实验五<FONT size=1> 
      &nbsp;</FONT>8253定时器实验</A></TD></TR>
  <TR>
    <TD width="33%"><A href="http://home.jznu.net/lbnet/sy/synr.htm#1b">实验二 
      软件延时实验</A></TD>
    <TD width="33%"><A 
      href="http://home.jznu.net/lbnet/sy/synr.htm#5">实验六<FONT size=1>&nbsp; 
      </FONT>LED显示实验</A></TD></TR>
  <TR>
    <TD width="33%"><A href="http://home.jznu.net/lbnet/sy/synr.htm#8">实验三 
      软件延时模拟路口交通灯控制</A></TD>
    <TD width="33%"><A 
      href="http://home.jznu.net/lbnet/sy/synr.htm#6">实验七&nbsp;定时器LED显示综合实验</A></TD></TR>
  <TR>
    <TD width="33%"><A 
      href="http://home.jznu.net/lbnet/sy/synr.htm#3a">实验四<FONT size=1>&nbsp; 
      </FONT>LED简单显示实验</A></TD>
    <TD width="33%"><A 
      href="http://home.jznu.net/lbnet/sy/synr.htm#7">实验八&nbsp;模拟交通灯显示综合实验</A></TD></TR></TBODY></TABLE>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>-----------------------------------------------------------------</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>　</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=center><IMG height=450 
src="微机原理实验内容_files/图1.bmp" width=780 border=0></P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=center>　</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=center>实验单板机结构原理图</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>----------------------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A name=1a></A>实验一&nbsp;&nbsp;&nbsp;&nbsp; 
简单输入、输出实验<BR>&nbsp;硬件连线:8个开关与74LS244的SI相连，地址译码输出CS0与74LS244的片选CS相连；<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
8个发光二极管与74LS273的SO相连，地址译码输出CS1与74LS273的片选CS相连<BR>&nbsp;实验效果:开关输入微机，然后输出控制二极管发光。<BR>&nbsp;地址译码:CS0为04A0H，CS1为04B0H<BR>----------------------------------------------------------------<BR>汇编程序：<BR>;=====================================================================<BR>;<BR>; 
This program input from port(04A0H),then output to 
port(04B0H)<BR>;<BR>;=====================================================================<BR>&nbsp;&nbsp;&nbsp; 
assume cs:code<BR>code segment public<BR>&nbsp;&nbsp;&nbsp; org 100h<BR>start: 
mov dx,04a0h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;input port 
address<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in 
al,dx<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
dx,04b0h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;output port 
address<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out 
dx,al<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jmp 
start&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;cycle<BR>code 
ends<BR>&nbsp;&nbsp;&nbsp; end start<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A 
name=1b></A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A 
href="http://home.jznu.net/lbnet/sy/synr.htm#top">返回目录</A><BR>---------------------------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
实验二&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 软件延时实验<BR>&nbsp;硬件连线: 
同实验一<BR>&nbsp;实验效果: 
软件延时控制发光二极管闪亮<BR>---------------------------------------------------------------------<BR>汇编程序：<BR>;===========================================================<BR>;<BR>; 
This program use software delay show flash 
LED<BR>;<BR>;===========================================================<BR>&nbsp;&nbsp;&nbsp; 
assume cs:code<BR>code segment public<BR>&nbsp;&nbsp;&nbsp; org 100h<BR>start: 
mov dx,04b0h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;output port 
address<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
al,0aah&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;10101010B or 
0ffh:11111111B<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out 
dx,al&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
;light<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
cx,0ffffh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;soft delay<BR>wait1: 
nop<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop 
wait1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
al,0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;black : no 
light<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out 
dx,al<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
cx,0ffffh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;soft delay<BR>wait2: 
nop<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop 
wait2<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jmp 
start&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;cycle<BR>code 
ends<BR>&nbsp;&nbsp;&nbsp; end start</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>　</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>！设计实验1：用软件延时让二极管依次循环发亮，每次亮一个。</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>！设计实验2：两个二极管发亮，各向相反的方向循环移动，依次发亮。</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>！设计实验3：两个二极管发亮，各向相反的方向循环移动，依次发亮，移动速度不同。</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp; <A 
name=8></A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A href="http://home.jznu.net/lbnet/sy/synr.htm#top">返回目录</A></P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>---------------------------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
实验三&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 软件延时实验模拟路口交通灯控制<BR>&nbsp;硬件连线: 
同实验一<BR>&nbsp;实验效果: 软件延时控制A路口红灯、B路口绿灯亮5秒；</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
然后A路口不变、B路口绿灯闪3下、然后B路口黄灯亮；</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
再变为A路口绿灯、B红灯延时3秒；</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
然后A路口绿灯闪3下、再黄灯亮、B不变。再循环……<BR>---------------------------------------------------------------------<BR>汇编程序：<BR>;=====================================================================<BR>;<BR>; 
This program use software delay to simulate traffic control 
light<BR>;<BR>;=====================================================================<BR>&nbsp;&nbsp;&nbsp; 
assume cs:code<BR>code segment public<BR>&nbsp;&nbsp;&nbsp; org 
100h<BR>start:mov dx,04b0h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;output port 
address<BR>again:mov al,21h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
;100001B<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out 
dx,al&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;light</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov cx,10</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>ared:call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop ared</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov cx,3</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>aflash:mov al,1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov al,21h</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop aflash</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov al,9</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov al,12h</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov cx,6</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>bred:call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop bred</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov cx,3</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>bflash:mov al,2</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov al,12h</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop bflash</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov al,6</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out dx,al</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call delay1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jmp again&nbsp;<BR>delay1 
proc</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; push cx</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
cx,0ffffh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ;soft delay<BR>wait1: 
nop<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop wait1</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; pop cx</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ret</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>delay1 endp<BR>code 
ends<BR>&nbsp;&nbsp;&nbsp; end start</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align=left>　</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>！设计实验：进一步加上开关控制：K1=0时正常工作、K1=1时A、B全为红灯。</P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" 
align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A 
name=3a></A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A 
href="http://home.jznu.net/lbnet/sy/synr.htm#top">返回目录</A><BR>-------------------------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
实验四&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
LED简单显示实验<BR>&nbsp;硬件连接:&nbsp;无<BR>&nbsp;实验效果: 
LED显示数字8，软件延时控制8移位显示<BR>-------------------------------------------------------------------<BR>汇编程序：<BR>;=============================================================<BR>;<BR>; 
This program show '8' in each LED 
roundly<BR>;<BR>;=============================================================<BR>con8279 
equ 0492h<BR>dat8279 equ 0490h<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; assume 
cs:code<BR>code&nbsp;&nbsp; segment 
public<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; org 100h<BR>start: jmp 
start1<BR>disbuf db 6 dup(0)<BR>start1:mov di,offset 
disbuf<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov cx,6<BR>kplay1:mov byte ptr 
es:[di],0<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; inc 
di<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; loop 
kplay1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov di,offset 
disbuf<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov byte ptr 
es:[di],7fh<BR>kplay2:call disply<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call 
rdisp<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; call 
dislay<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jmp kplay2<BR><BR>dislay:mov 
bx,2eeeh<BR>disla2:dec bx<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jnz 
disla2<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
ax,0c2h<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
dx,con8279<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out 
dx,ax<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ret<BR><BR>rdisp: mov di,offset 
disbuf<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
al,es:[di]<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mov 
cx,5<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; inc di<BR>rdisp1:mov 
ah,es:[di]<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dec
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