RELACING A COMPUTER ON 1997 MAZDA BRAVO

What exactly is it doing? No fire or fuel?

OK it started out of the blue the car had sat for a week then go in no go thought it was fuel pump checked it was ok checked all leads and spark OK so we were told to get a new computer still NO GO just picked up new coil Lets hope this is what it is!!!! will let you know

NO now we are really stuffed HELP

Jim how do I program or FLASHED the computer

thank you