Re: Pausing in Galaga

MCR <mark.coleman10@xxxxxxxxxxxx> gyrated his joystick in a pattern that
spelled out:

> Hi,
> In Galaga I noticed when I paused it, the playfield continues to scroll.
> So I was wondering, what is 'paused' when MAME is? I assumed the
> entire core was 'frozen' when the pause button was pressed but obviously
> this is not the case.
>
> I am just curious to the mechanics of the pause button. Anybody know?

This is a recent problem that should be checked for more severe behavior on
other multi-cpu games???

I am thinking that it would make some kind of sense broadcast the pause
request to each of the subsystems drivers (Main CPU, etc.). If galaga
actually had 3 Z80s, it would seem that at least one of them is not getting
the request to pause.

Of course, maybe I am way off base here...

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