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Google Summer of Code: Difference between revisions
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== Automated Test Suite == | == Automated Test Suite == | ||
Dolphin currently has no automated testing infrastructure. Sometimes regressions happen, or bugs are found in new features which could have been caught with some unit testing. Adding an automated test suite and simplifying writing test cases would help with that. | Dolphin currently has no automated testing infrastructure. Sometimes regressions happen, or bugs are found in new features which could have been caught with some unit testing. Adding an automated test suite and simplifying writing test cases would help with that. | ||
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== More Accurate DSP HLE Emulation == | == More Accurate DSP HLE Emulation == | ||
Dolphin has two ways to emulate the | Dolphin has two ways to emulate the GameCube/Wii DSP: LLE (emulating a DSP program instruction by instruction as accurately as possible, requiring a lot of CPU power) and HLE (rewriting the DSP program behavior in C++, which isn't as accurate and requires a fair bit of reverse engineering but is a lot faster). | ||
Historically the DSP HLE backend was in a very sad state: lot of bugs and non implemented features, behavior which did not make sense and did not match what the DSP program should be doing, etc. [[User:Delroth|delroth]] has been working since November 2012 on a new DSP HLE implementation for the | Historically the DSP HLE backend was in a very sad state: lot of bugs and non implemented features, behavior which did not make sense and did not match what the DSP program should be doing, etc. [[User:Delroth|delroth]] has been working since November 2012 on a new DSP HLE implementation for the GameCube AX DSP program, which makes things a lot better for games relying on that particular DSP program. | ||
The same work could be done for the two remanining DSP programs in use: Wii AX and Zelda/IPL UCodes. This will require some reverse engineering (both PowerPC and DSP assembly) to understand how these two programs communicate with the main CPU and what they should do exactly to mix data in the same way the real hardware does it. Ideally some documentation should be written explaining how these UCodes work as well. | The same work could be done for the two remanining DSP programs in use: Wii AX and Zelda/IPL UCodes. This will require some reverse engineering (both PowerPC and DSP assembly) to understand how these two programs communicate with the main CPU and what they should do exactly to mix data in the same way the real hardware does it. Ideally some documentation should be written explaining how these UCodes work as well. | ||