just to answer my own post here..
a friend helped me see the error of my ways :)
Andy
> hi all..
>
> i have a weird board here... withotu going into details, i want to read
the
> input ports, i can't figure out the darn mame source driver to find where
> the input ports are, but i gather they are on actual ports, not in
> addresses..
>
> i'm not entirely familiar with the 8080 and how it works, and this is the
> first time i have had wanted to read the ports... on other cpus (z80 for
> example,) i just read and interperet an address... hwo do i do this with
the
> 8080 in space invaders??
>
> BTW i'm using a 9100 :)
>
> thanks!
>
> andy
Received on Tue Jun 18 19:35:16 2002
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