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by fede
Sun Jul 23, 2023 1:32 pm
Forum: MAME Discussion
Topic: 8155 timer frequency on Netronics Explorer 85
Replies: 0
Views: 17367

8155 timer frequency on Netronics Explorer 85

Hi. I'm improving the driver of the Netronics Explorer/85 computer. In particular, I want to enable the debugging functionality of the original ROM monitor, and for that I need a proper working 8155 timer. The problem I find is that the timer seems to be running at the 6.144MHz clock input of the 80...

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