overdose 777

i bought a new battery for my 88 rx7 the other day and installed it wrong i check my fusees and the 80A was blown so i replaced that but the car still wont start. but it does have some power the lights work, the hazzard the dome lights and brake lights but everything els does not work........do you have any suggestions... also the car wont even crank up even my radio wont turn on

cp1

check any fusible links and all other fuses that you have, ive done the same thing a long time ago. no biggie just gotta go through all break points and find it. check all your egi fuses etc.