guys does anyone know how to play .gdi to run an emulator

1. do i have to convert .gdi to .cdi
2. do i have to convert .gdi to .iso

teach me also what application i use to convert them

thanks in advance....

You most likely can find an answer on the emulator developer's pages!

PX-760A (+30), PX-W4824TA (+98), GSA-H42L (+667), GDR-8164B (+102), SH-D162D (+6), SOHD-167T (+12)