You can use a modified PlayStation 2 and a tool like USBUtil to dump the game to a USB drive.
"LOADING CORTEX_RIFT.BIN"
There are two primary ways to obtain a Crash Bandicoot EBOOT for your PSP: 1. The Official PSN EBOOT crash bandicoot 1 psp eboot
Connect your PSP to your computer using a Mini-USB cable, or insert your PSP MicroSD adapter into a PC card reader. You can use a modified PlayStation 2 and
When Sony designed the PSP, they built a PS1 emulator directly into the firmware. This allowed the PSP to read PS1 game data wrapped inside an EBOOT file. Officially, you could only get these EBOOTs by buying the game from the PlayStation Store and downloading it to your PSP. The official version of Crash Bandicoot was available in some regions, allowing fans to play the 1996 classic on the go. When Sony designed the PSP, they built a
Insert your Crash Bandicoot disc into your PC's CD/DVD drive. Use a program like Alcohol 52% , UltraISO , ImgBurn , or CD Manipulator . These tools can "dump" all the data from the disc into a single file, most commonly an ISO or BIN/CUE format.