DSOID: Update 1.9.15 Slightly Faster,Fixed UI Bugs & Much More
105How To Get DraStic DS Full Speed Nintendo DS Emulator: http://youtu.be/Pa0ilBeocts
Pokemon Pearl on a Nexus 7: http://www.youtube.com/watch?v=Bh6g-kJNjtY
Latest Dsoid update: Dsoid 1.9.15 is the latest update.
Pokemon Mystery Dungeon: Blue Rescue Team : http://www.youtube.com/watch?v=0LRdhWsY4Io
In this video I cover DSOID 1.9.15 update which features Slightly Faster UI bugs fixed and much more.
In the video I am using a Nexus S on 4.2.1 Jellybean
What I've been working on
Right now, the emulator emulates both CPUs on a single thread. First it emulates the ARM9 CPU for a while, then emulates the ARM9 CPU for a while. The problem is that switching between emulating the two is extremely slow, since I basically have to flush all the registers into memory and then reload them. I've been trying to emulate the CPUs on separate threads, but right now, there's two problems. Syncing the threads is way too slow. On the interpreter, which I'm using since it's much easier to debug, multithreading basically gives no performance improvement. I'm pretty sure this is caused by a bug in my code, since there's literally no possible way to write this faster. I'm using a spinlock, and using a bigger time slice causes certain images on the screen to flash, since the graphics hardware isn't being update enough. The other problem is that exophase's dynarec isn't exactly built for multiple threads. Each thread needs its own separate copy of each data structure, but the dynarec has global variables everywhere. I'm thinking of literally copy-pasting the code. So basically, if you didn't understand any of that, I've been rewriting a lot of code, and at least, in theory, it should give a big speed boost.
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