In my experiments, the compression result between level 1 and 9 is not significant. Level 9 meaning it’ll be slow process, but it’ll to compress as small as possible. Level 1 meaning it’ll fast process, but may only reduce the file size a little bit. There are only 9 level of compressions from 1 - 9. The ciso tool can compress with multiple levels. How to compress a single PSP ISO ROM to CSO Next step is how to do the compression process. Level: 1-9 compress ISO to CSO ( 1 =fast/large - 9 =small/slow To check if the tool installed correctly, you can type ciso on terminal.Ĭompressed ISO9660 converter Ver.1.01 by BOOSTER wget Īfter the download process finished, we can install it using apt. If you’re on Debian or its derivate (Raspbian / RetroPie), you need to download the installer fist. If you’re on Ubuntu or its derivative, you can directly install it by using apt.

To compress PSP ISO files to CSO, we’re going to need a command line tool called ciso.įirst, let’s update the package manager. So, it’s the ideal device to do the tasks. The compression process could take a long of time to run depend on how many ROMs you have.

It’s also more energy efficient than using your PC. Not to mention I can also play other emulators by using RetroPie. In this tutorial I’ll show on you how to compress a single or batch of PSP ISO ROMs to CSO directly on Raspberry Pi.īecause that’s where I keep backup of my ROMs. This won’t impact loading time significantly. What I want is a compressed format that is streamable, meaning that the emulator will decompress the content on the fly. Since I can’t upgrade my phone disk capacity, the only real solution is to compress the ROMs.Ĭompressing the ROMs to archive type like zip, rar, or 7z is not good enough because every time I want to play a game, I need to wait the emulator to extract the archive first. I quickly running out of space the more my collection grows, since I also have ROMs for other game systems. I also purchase a 256 GB microSD card, the Samsung EVO Select brand one, to store more PSP ROMs. The internal storage of my phone can only store around 10 games. One problem with PSP game is that the game file (we usually call it ROM) is relatively big.Ī single PSP game can take around 0.7 GB to 1.5 GB of disk space. Thanks to the advanced emulation technology today, I can play those games on my phone today. I try to catch up with some old PSP games that I never had a chance to play when I was a kid. One of my hobbies right now is retrogaming.

Exit the games psp cso