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QinJianDianZiQin.rar
- 本程序利用8254以及8255还有扬声器实现了一个简单的七键电子琴。通过按键盘上的相应的数字键，可以产生不同的声音。,This procedure using 8254 and 8255 there is a simple speaker to achieve the seven key electric piano. On the keyboard by pressing the corresponding number keys, you can have different voices.
zhk2
- 用8255并行接口控制一个16键的小键盘（用行扫描法或反转法均可），按图连接线路： 1>、用导线将PA0—PA7连接到插孔RL0—RL7，控制键盘行数据。 2>、用导线将PB0、PB1连接到插孔Y0、Y1，控制键盘列数据。拔掉K10上的所有短路套。 3>、片选CS连接218H—21FH。 -8255 parallel interface used to control a 16-key keypad (with line scanning method or
QD
- 利用8255芯片功能设计的8位抢答器，空格为清零，任意键退出-8255 chips use features designed to Answer 8, and space for cleared, arbitrary key out of
KEY
- 8255端口的应用：用8255 检测键盘，并在电脑屏幕显示-8255 using
KEY8255
- 8255键盘试验，按键后键值在DOS显示.要BH-86/51试验箱-8255key experiment，when press key,the key will be shown in DOS
sound
- 微机技术实验时的控制8253，8255，0809，0832，进行的录音放音实验，用汇编语言实现，将源程序用MASM进行编译，然后用LINK进行连接，运行文件后，提示录音后按任意键开始录音，12秒后开始出现放音信息，按空格键可以重复放音，其他键放音一次后跳出程序。自己根据实验流程图编写，用于学习交流，有部分注解。-Computer Technology 8253,8255,0809,0832 control experiments, carried out by recording playbac
keyboard
- 用8255控制键盘和LED显示，要求每按一个键，用LED数码管显示该键的键值。-8255 control with the keyboard and LED display, every press of a button, with LED digital display of the keys of the key.
3
- 用并行芯片8255实现抢答器，空格键清除，并且有人抢答，计算机蜂鸣器会响起，并显示组号，经过8255实际芯片测试-Parallel chip to achieve Responder 8255, the space key to remove, and it was to answer in the computer buzzer will be sounded, and displays the group number, after 8255 the actual chip testing
smallgame_config_8255
- 这是一个用汇编语言编写的程序，他有对8255的配置，以及实现检测按键的输入是否与灯的暗灭相同的小游戏。-This is a program written in assembly language, he has the 8255 configuration, as well as detection key input is the same with the lights off dark game.
aaa
- 利用8255进行键盘检测，判断有无键按下，按下键反映在LED灯亮起来。-8255 is used to detect the keyboard is used to judge whether the key pressed, press the key is reflected in the LED lights up.
421
- 微原硬件实验，8255和8253 可以自动播放实现设置好的一段音乐，利用键盘任意键可以退出。-Micro original hardware experiment, 8255 and 8253 can be automatically set to achieve a good piece of music playback, you can use any keyboard key to exit.
编码显示器
- 利用8255扩展并行端口（硬件电路参见CodeDisplay_8255.DSN）。当KEY按下时，利用8255的PC口输入二进制值编码（6位），将该值转换成十进制后显示在2位7段LED显示器上。(Using 8255 to extend parallel ports (see CodeDisplay_8255.DSN for hardware circuits). When the KEY is pressed, the binary value encoding (6 bits) is ent