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What is this fixing or adding?
One of the SRAM reads in the client is implemented using a variable size; that size can be 0.
This doesn't seem to be a problem for luabridge-based emulator connections, which simply return a 0 byte result in that case.
But when such a read command with size 0 is sent to snes9x-nwa it causes an error and a disconnect.
We can avoid this entirely by performing the read only if the size is greater than 0.
How was this tested?
https://discord.com/channels/731205301247803413/1229626698216116265/1229936513299779584