Sony's Japanese Vita website has confirmed that the upcoming portable will not run original PlayStation games right out of the box, as rumoured in an issue of Famitsu last month.
As reported by Andriasang the Japanese site asks "can Vita play PlayStation Game Archives games?", which refers to PSOne and TurboGrafx-16 software. The answer is:
It won't be supported at the time of the PS Vita launch. Regarding future support, we'll share details later
If you like playing that copy of Crash Team Racing on the go, you might want to keep your original PSP for the time being until Sony shares more details.