8051 - 7 segment Counter

A simple 8051 7 Segments Counter.

Only runs on versions after R1928.

royqh1979 wrote:A simple 8051 7 Segments Counter.

Only runs on versions after R1928.

very good example but can you please explain this command

P2_0 = (pos & 0x1)?1:0;
at line 15
what is ( ?:1:0 ) mean?

No answer
i found it ...

Programmers use the ternary operator " ? "for decision making in place of longer if and else conditional statements.

The ternary operator take three arguments:

1- The first is a comparison argument
2- The second is the result upon a true comparison
3- The third is the result upon a false comparison

It helps to think of the ternary operator as a shorthand way or writing an if-else statement.

Syntax

condition ? value_if_true : value_if_false

The statement evaluates to value_if_true if condition is met, and value_if_false otherwise.

Best Regards
MedTronic