This was fixed by properly handling branches in delay slots, the old behavior wasn't addressing this properly and the new behavior was shown to be accurate to the original hardware through tests ran from the EE PS2 testsuite.
#PS2 BIOS DOWNLOAD FOR PCSX2 PATCH#
If you think they won't do something that's forbidden in the manual, you're dead wrong.Īll of the World Rally championship (with the exception of WRC 4 which needs a patch - get it here) games are now playable! In other words, the branch was being read as a NOP and got stuck running the wrong code until the game would crash. Preliminary PSX support has been added! Go try them out yourself, though do note that the PSX backward compatibility is still in its infant state and needs lots of work to be done before it reaches a perfect state.ĭropship United Peace Force went from not being able to get into main menu to being playable!Īs it turns out, our VU branching subroutines had a longstanding bug which failed to account for a branch delay slot inside of another branch delay slot (this is as stupid as it sounds). This section covers games which went from not rendering anything to being playable, these issues are the most straight forward to fix, we debug these issues by monitoring all the abnormal activities occurring in the core leading to the game to crash and a solution is worked on to correct that behavior. You can either run it directly from the disc or create an ISO image of your disc with a program like IMGburn for faster reads.
#PS2 BIOS DOWNLOAD FOR PCSX2 HOW TO#
Visit the tools section to find out how to do this. This is not included with PCSX2 since it is a Sony copyright so you have to get it from your console. Get the BIOS file from your Playstation 2 console.
Increase or decrease the game speed by using the built-in frame-limiter for fast grinding or passing hard spots by slowing them down.Use any controller (PS3,Xbox360 etc) that works on Windows, keyboards and mice.Easy cheating using our pnach patching system.Save states, enabling you to quick save and load practically anywhere in your game.
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