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License: MIT License
An NES implementation of the Pi-Spigot Algorithm
License: MIT License
When running make
after a fresh clone I see the following error:
Fatal error: Cannot open output file './build/nes-pi.o': No such file or directory
Manually creating a build directory or running make clean
solves the problem. My make skills aren't sharp enough to submit a PR which isn't a kludge but I'm sure @rsandor or a fellow Patron can cleanly introduce a dependency which automatically creates that directory using mkdir -p build
.
I gave your ROM a test on my MiSTer FPGA setup with the latest core as of this writing. I thought it wasn't working at first, but it is in fact starting the digits off the top of the screen, even on CRT with my underscan setting on.
The core should be fairly accurate, but I am curious on your thoughts on where the fault is.
Hey! Thanks for the great videos and including this more complex example for all of us to play with.
When I was getting it up and running, I launched the ROM in FCEUX and thought I had broken something once I got to the Pi-calculation screen. It turns out I had FCEUX's region set to NTSC instead of PAL and it was generating the first line of Pi outside the bounds of the NTSC screen.
I'm not sure if there's a way to specify the region in an NES rom (that sounds like something Nintendo wouldn't have been worried about back then), but it may help others to add a note to the README saying that the built .nes rom should be run in an emulator set to the PAL region.
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