HN
login
Cracking VFPU math functions using Claude (Sony PSP)ppsspp.org

Play PSP games in HD on Android, iOS, Windows, macOS, and more with enhanced graphics and customizable controls! Free and open source. Download now!

3 points•hrydgard•6 days ago•1 comment•
#psp#math#functions#sony#cracking#vfpu#claude#cracking vfpu

1 comment

hrydgard6 days ago
Inspired by skmp's success with the Dreamcast's vector instructions (see https://skmp.dev/blog/sh4-fpu/), I used Claude to figure out the special function evaluation hardware of the Sony PSP's VFPU vector unit, which in all these years nobody had managed to crack.

Read the full thread on Hacker News →

Related stories