List Commands Library for 50g

[David Hayden]

(09-07-2017 07:54 PM)DavidM Wrote:  Stepping through the above code with the debugging tools shows that the RSWAPs are necessary.

The reason they're necessary is because the DO (or in this case ZERO_DO) pushes the address of the next instruction on the return stack. That's how the LOOP instruction knows where to go to execute another iteration.