registers.cpp: In function 'void construct_instructions(int, int, int, int)':
registers.cpp:5:5: error: 'append_not' was not declared in this scope
5 | append_not(2,0);
| ^~~~~~~~~~
registers.cpp:6:5: error: 'append_add' was not declared in this scope
6 | append_add(3,2,1);
| ^~~~~~~~~~
registers.cpp:7:5: error: 'append_right' was not declared in this scope
7 | append_right(3,3,k);
| ^~~~~~~~~~~~
registers.cpp:9:9: error: 'append_left' was not declared in this scope
9 | append_left(4,3,1);
| ^~~~~~~~~~~
registers.cpp:10:9: error: 'append_or' was not declared in this scope
10 | append_or(3,3,4);
| ^~~~~~~~~
registers.cpp:12:5: error: 'append_move' was not declared in this scope
12 | append_move(5,3);
| ^~~~~~~~~~~
registers.cpp:14:5: error: 'append_or' was not declared in this scope
14 | append_or(3,3,1);
| ^~~~~~~~~