Description: 8279 with a keyboard and display interface chip receives key , and on the seven-segment display, by determining the appropriate key to enter the music player process. In the music player, use the timer/counter 2 counter 8253 to work in the way ¬ ¬ 3- square wave generator, followed by table look-up music out into the frequency counter as the count initial value, the output side by out2 wave-driven speakers sound different frequencies in each scale by adding the appropriate delay between the time that the music player to achieve a
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8255+8253.ASM
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