Internal timer 1 by 8031, a work by the way, that is, to use as a 16-bit timer overflow every 0.05 seconds, T1 interrupt time. P1 port P1.0-P1.7, respectively, then the eight light-emitting diodes. Procedures require the preparation of a timing control device simulation. The first seconds after boot L1, L3-liang, the second a matter of seconds L2, L4-liang, the third seconds, L5, L7-liang, the fourth seconds, L6, L8-liang, the fifth sec L1, L3, L5, L7-liang, Sixth seconds L2, L4, L6, L8-liang, the seventh of eight seconds, the entire light diode, the eighth body seconds later to start from scratch again, L1, L3-liang, and then L2, L4 light ..... . has been the cycle continues.

Interrupted from time to time the application.asm

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