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I am writing a 32-bit PMODE operating system.  I would like it to be able to detect, interact with and control PCI devices.  How would I got about doing this in ASM?  Your help is greatly appreciated.
                                                                -Neo

bios32 calls or direct chipset programming

try http://mrd.knows.it and look for the pci stuff. i havent checked it out though so im not sure whether they are correct.

http://members.hyperlink.net.au/~chart/pci.htm
http://www.acm.uiuc.edu/sigops/ (good info about pci direct programming)
http://my.execpc.com/~geezer/ (Well it's written in C, but it could help)