Real hardware US NTSC 60hz NES detected as PAL 50hz about lng-fds HOT 5 OPEN

I updated the system detection logic so it will retry detection a few times if it fails. If all detection attempts fail then it will default to NTSC@60hz since that's more likely than PAL@50hz.
I'm not sure if that will solve the issue but it's worth a try.

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Tried the latest version, it still says PAL 50hz.

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The Famicom (and FDS by extension) is always NTSC@60Hz. There's no need for region detection in this case, not to mention the fact that the FDS BIOS has its own reset handler containing the vblank wait loops.

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@TakuikaNinja True but I was trying to support the unlikely situation where someone had jerry-rigged an FDS to a 50Hz console, assuming that such a thing can be done, as well as any random Famiclones that might run this.

I implemented the detection method that was outlined in this forum post which works perfectly on emulators and my NTSC NES.

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The first part of the BIOS reset handler (vblank wait loops, register init) always runs before the disk game's reset vector. I believe that's throwing off the timing here.

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