Changes
==Counter/Timer Circuit==
===Informations===
The Z84C30 has four independently programmable counter/timer channels witch interface directly with the Z80 CPU. You can get full information in the official [[File:Z80ctc.pdf|Zilog CTC datasheet]]. The first thing
to consider is how those channels are linked to the CTC-AY board.
====Channel 0 ($F880)====
