Multi-button Presses on OEM Controller

[/classicNES]

Holding down B and Pressing A, works mostly. However, there are times where it does not register the A press. For example, in good ol' Super Mario Bros, when pressing B to run for the flag and and then A at the vet last moment. It never registers the A press for that jump.
I was lucky enough to have the original NES a month after its release. Playing it every morning before school, sometimes during lunch (snuck it into school), and all the time at home. That combo worked flawlessly for decade, for 5000 points. But not this system.
Bought it new in Target around 2018/2019. So not the Chinese knock-off versions.
I also have a knock-off eBay 2nd controller, that does the same thing.
I'm pretty sure it's a timing/multi-press-register thing.
I haven't rooted yet, been pretty lazy with that. Will do that very soon to see if it helps.
Alternatively, would one of these Bluetooth controllers work better? With the 4 buttons for other games too.

submitted by /u/eduncan911
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