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Old 08 September 2017, 20:48   #184
Toni Wilen
WinUAE developer
 
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,514
Repeated $1b and $13 accesses are done by "zenclock.library", so it probably is RTC read (My guess it is I2C or similar protocol), not some protection.

Photo of the board would be really nice.. (with chip labels clearly visible).
Toni Wilen is offline  
 
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