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analog controler through sound card
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tetsujin:

--- Quote from: hanelyp on January 09, 2006, 06:15:19 pm ---In my case I have a 'sound card on motherboard', but no joystick port.
Interfacing through USB might be easier.

--- End quote ---

You can buy an adaptor at Radio Shack for around $20 that connects to USB and gives you a game port.  (Four analog axes and four buttons.)  There are also similar devices you can buy elsewhere, but which will provide more buttons.  (I know there's the AKI control boards, at least...  but I don't remember their cost.)

This assuming you don't want to go the DIY route and make your own USB device as I have.  :)

Sending analog axes into a soundcard's audio input, and then digitizing and measuring frequencies seems like more trouble than it's worth.  There's easier and cheaper ways to measure analog axes with a computer.
ahofle:

--- Quote from: hanelyp on January 10, 2006, 10:59:09 pm ---No ISA slots inside, just 3 PCI.

--- End quote ---

Huh?  The only sound cards made anymore are PCI.  Here's a cheapo for $9 shipped:

http://cgi.ebay.com/NEW-4-Ch-ESS1938-Audio-PCI-Internal-PC-Sound-Card-PC_W0QQitemZ6837957884QQcategoryZ3701QQrdZ1QQcmdZViewItem
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