GValiente

Results 12 issues of GValiente

Test rom: [test.zip](https://github.com/mgba-emu/mgba/files/5148306/test.zip) The first sprite lines in the image with length = 64 pixels are not shown on hardware. Those lines are present in the last line of the...

All other channel configurations (`AAS_CONFIG_CHANS_8_LOUD` included) cause a crash.