blink some segments

[johndoe71rus]

STC15F204EA
commit beb3b51
just run make

blink some segments and dot in 4-th place.


blink not all time

stock firmware not blinking mo than 10 years.

[zerog2k]

what version of sdcc are you using? How are you compiling?
I recall seeing issues with timing artifacts on older versions of sdcc (due to strange asm code generated).
I haven't touched this project in quite some time, so if you can find an issue with the code, PRs are welcome.