Introduction - If you have any usage issues, please Google them yourself
Electronic organ of the assembly language implementation, the use of TPC-H test me on the 8253 frequency sub-2 implementation, in order to simultaneously meet the 8255A, with the door and DAC0832, playback through the speakers, both realize octave pitch (including half-tone) in Electronic organ. Hardware and software at each other under the Electronic organ has played and play has kept the function of music, sound long-controllable playback speed options, with aesthetically pleasing graphical interfaces simulate the real keys, and keys have their ups and downs playing with. The use of microcomputer internal 8253,8255 A and a built-in speaker, with the TPC-H test plate 8255A and LED, metronome implementation can have a controllable length and speed of 2/4 beat, 3/4 beat and 4/4 beat and so on, LED and built-in speaker at the same time on the beat to carry out prompt.