>The MSX BIOS (at least that of the philips NMS8250 and NMS8245) changes
>the values of the joystick connections. Probably it will nopt change if
>the strobes are 0 and the A and B outputs are 1, but I am not sure about
>this. It is quite important if there is a situation where you can have the
>interrupts switched on, so it will be possible to have disk-access. So
>please, if anybody knows what the BIOS does with the ports, and if there
>are any guaratees about what it doesn't do?
The MSX BIOS changes the pins of the joystickport while reading the
joystickports. Therefor, you can only send/recieve while interrupts are
disabled, or -I perfer this option- you can write your own interrupt-routine
which doesn't modify
the pins of the joystick-port on which JoyNet is connected.
~Grauw
****
MSX Mailinglist. To unsubscribe, send an email to [EMAIL PROTECTED] and put
in the body (not subject) "unsubscribe msx [EMAIL PROTECTED]" (without the
quotes :-) Problems? contact [EMAIL PROTECTED] (www.stack.nl/~wiebe/mailinglist/)
****
