Go to Config > Gamepad > Port 1 to map your keyboard or USB controller. How to Launch an ISO in ePSXe
Insert your PS1 game disc into your computer's DVD/CD drive. download iso epsxe
Select your game file (choose the file if using a BIN/CUE pair). Click Open to boot the game. Troubleshooting Common ISO Issues Go to Config > Gamepad > Port 1