C51 Some problems

Good days!
Sorry.
I work with Keil .Vision3 V3.30a.
Have some C8051F060 devices.
When processing my programms under Debuger control don't have any problems.
But after device FLASH programming and abort Debug Session I get some problem. When read microprocessor input ports I get not correct information about input signals.
What is it?

Thank You!
Sasha, Ukraine.

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