> The Turbo-R has a timer build in that is increased every 1 microsecond or
so.
> Maybe 2 or more microseconds, I don't known the exact value. And it did
> have something todo with I/O ports E5 / E6, or any number near these
numbers.
I/O ports E5/E6... that's the timer of the MSX-MIDI. It also has another
timer used by the PCM play routines. However, it is only 2-bit or so...
> All I know for sure is that when writing into the FM-PAC registers the
core code
> for playing music uses this timer to wait between two OUT
(port),register/value
> instructions. If the timer isn't increased than the whole program will
lock up.
>
> This behaviour is also implemented in my own TSR program Micro Music.
Oh? What is it???
> The MSX2+ does not have this timer, by my knowledge.
Nope...
~Grauw
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