__bit variables must be located after the 0x20 address
This force the stack to start after 0x20, thus decrease
the stack size by a considerable amount.
* Bit-Addressable SFRs are now accessed as such,
instead of (N)OR-ing the byte
* A routine was declared as CCIF but not defined as such. Fixed
* Deleted a leftover duplicate define
* Formatting
* Comment updates and clarifications