how to program an atmega1284 with an arduino uno HELP?

Hey can someone tell me how to program an atmega1284? I need it for a project, please help.

-artistblock

http://www.gammon.com.au/forum/?id=11635

Is it bootloaded already? Do that first.
http://www.gammon.com.au/breadboard

Then you can Connect Reset to Gnd on the Uno, and use Rx & Tx to the 1284 & download serially.