Copy your downloaded Cadillacs_and_Dinosaurs_Portable.iso file and paste it directly into that ISO folder.
The PSP homebrew scene offers emulation for multiple arcade systems. CPS1 games are generally than the later CPS2 or SNK's NEO•GEO MVS systems. CPS1's lower resource requirements make it particularly well-suited for the PSP's hardware limitations. cadillacs and dinosaurs psp iso portable
Extract the emulator archive to the following directory on your PSP memory stick: Copy your downloaded Cadillacs_and_Dinosaurs_Portable
Open the emulator configuration menu (usually by pressing the Home/Select button) and check the frameskip settings. Turn on "VSync" and set video scaling to "Fit Screen." cadillacs and dinosaurs psp iso portable