Changes

ACU Real Time Clock (DIY)

7 bytes added, 21:33, 9 January 2010

ACU Real Time Clock, DIY from magazine "Amstrad User April 85".

* The RTC chip doesn't include a Year register (aside from the leap-year shift register, but it can span only 4 years, and it is write-only).

== Technical ==

F Interrupt (R/W)

Registers 1..C are BCD (range 0..9), a value of 0Fh in these registers indicates Failure.

~~The chip doesn't include a Year register (aside from the leap-year shift register, but it can span only 4 years, and it is write-only).~~

== Article ==

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