C8051f312 microcontroller [closed]

Answer 1

1.First of all you should use one of 2 following options for #include directive

#include  "path-spec"
#include  <path-spec>

, not #include path-spec, as you did

2.To configuire 7th bit of P1 general I/O port to work in push-pull mode you should set

P1MDOUT = 0x80;

, not

P1MDOUT = 0x40;