I/O Ports read upper byte

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mickagame
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Joined: Sat Jun 07, 2008 7:37 am

I/O Ports read upper byte

Post by mickagame »

Does anyone knows what happens when reading higher byte of I/O ports?
In doc they said that in case of byte access only lower byte is meaningful (mean odd adress).
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notaz
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Joined: Mon Feb 04, 2008 11:58 pm
Location: Lithuania

Post by notaz »

IIRC it's just mirrored, it's also documented in gen-hw.txt
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