Introduction - If you have any usage issues, please Google them yourself
Computer Technology 8253,8255,0809,0832 control experiments, carried out by recording playback experiments, using assembly language to achieve, to the source code to compile with MASM, and then connect with LINK, run file, prompted by pressing any key after recording the beginning of recording, 12 seconds after playback of information began to emerge, according to the space bar can repeat playback, and other key after playing out a procedure. Experimental flow chart in accordance with the preparation of their own for the exchange of learning, some comments.