Hi everyone,
Not sure how interested people here will be with this but I've
ported https://github.com/fogleman/nes from Go to D [1]. I should
point out that I'm not the author of the original Go version.
The emulator code itself is 100% D with no dependencies. I've
also created a little app using SDL to show how you'd put this
library to use [2].
Its PPU & APU timing isn't 100% accurate (same as the Go version)
so not all games will work correctly but this should be pretty
easy to fix.
Links
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[1] https://github.com/blahness/nes
[2] https://github.com/blahness/nes_test