LED lights a timer control, work by the way by the MCU internal timer, that is, as 16 T1 timer overflow interrupt every 0.05 seconds once. P1 port P1.0-P1.7 respectively, then eight light-emitting diodes. Programming analog timing control device. First second after power L1, L3 on, the second second L2, L4 light, the third second L5, L7 light, the fourth second L6, L8 bright, the fifth second L1, L3, L5, L7 light Sixth seconds L2, L4, L6, L8 bright, seventh second eight LED lights all bright, all off the eighth seconds after start again from scratch, L1, L3 bright, then L2, L4 been bright ...... the cycle continues.

led.asm

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