I am not sure why I changed some variables from 16 bit types to 8 bit types
when the warnings being resolved were only about signedness.
Fixes: a555f21 ("All: Resolve all compiler and linker warnings")
Also, make print_FatalError(*) independent from print_Error(*).
Also, factorise common parts of print_Error(*).
Frees 2336 bytes of program space and 5 bytes of global ram space.
These variables are set but never read. Removing them removes a non-trivial
amount of code, which I am not comfortable deleting: it contains knowledge
about cart data structure, even though it is currently not being used for
anything. So comment it out until someone who know this architecture better
comes around.
Frees 146 bytes of program space and 16 bytes of global ram space.
flashid (almost) always contains the hexadecimal representation of two
bytes, which then means it gets compares with strcmp, which in turn need
another string argument. Instead, make it an integer, removing the need to
call strcmp.
Add a separate string representation for printing purposes (maybe this can be
avoided by having the print function format it when needed ?).
The only apparent case where flashid is not an hexadecimal representation
of a pair of bytes is when N64 clears it to "CONF". Set flashid to zero
this case.
This saves about 500 bytes of program space and 200 bytes of ram.
