On Tuesday 06 February 2001 16:12, you wrote:
> Can someone verify the correctness of this?
I'll look into it in more detail later.
I noticed you missed the motor on signal. It's bit 6 of #7FFD.
> Also does anyone know if the Sony machines use the same layout?
There is a small difference in the way Philips and Sony machines handle the
in-use led. The Sony machines disregard the bit used by the Philips machines
to control the led. So the Sony drive led is on when drive select matches the
drive. The Sony disk ROM selects drive 3 at any time when there is no disk
activity to turn off the drive led.
Bye,
Maarten
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