LDmicro Example

1. Get LDmicro from http://www.cq.cx/ladder.pl.
2. Execute LDmicro and open file ladder.ld.
3. Change ladder program using X0~X7 as inputs and Y0~Y7 as outputs.
4. Compile with menu Compile > Compile (F5).
5. Check that src/ladder.c file is correctly saved.
6. Commit and push changes.