If I want the NES to really be a computer, it should really be able to append to its own files on disk
Acceptance criteria
[ ] An open file can have a byte appended to it by passing the file handle and a byte to a system call
[ ] Active write buffer bytes are written to disk when the file is closed
[ ] Active write buffer bytes are written to disk when writing goes beyond the end of the current sector
[ ] Writing beyond the end of the current sector causes the allocation of a slot in the FS bitmap and addition of the associated T/S to the open file's T/S list
[ ] File write is implemented in a bios update module
Description
If I want the NES to really be a computer, it should really be able to append to its own files on disk
Acceptance criteria