For today’s episode of War Stories, Ars Technica sat down with Naughty Dog Co-founder Andy Gavin to talk about the hurdles in bringing the original Crash Ban...
They also pulled a really cool hack on Jak and Dexter. They were able to hack into the PS1 chip hidden away in the PS2 for backwards compatibility to get some extra processing power!
Another interesting fact concerning the ps1 chip, Sony used it as an Io controller so backwards compatibility was essentially built in to the design of the ps2
PlayStation 2 software is distributed on CD-ROM and DVD-ROM. In addition, the console can play audio CDs and DVD movies, and is backwards compatible with original PlayStation games. This is accomplished through the inclusion of the original PlayStation’s CPU which also serves as the PS2’s I/O processor, clocked at 36.864 MHz in PS2 mode.
They also pulled a really cool hack on Jak and Dexter. They were able to hack into the PS1 chip hidden away in the PS2 for backwards compatibility to get some extra processing power!
source? I’d really like to read about this
I read about it over a decade ago. Something about the game being difficult to emulate because of it. Now I can’t find anything :(
Another interesting fact concerning the ps1 chip, Sony used it as an Io controller so backwards compatibility was essentially built in to the design of the ps2
From Wikipedia
Their engineers were crazy good to pull off this sort of stuff.