Human Resource Machine/Year 7

Instructions

Zero Exterminator

Send all things that ARE NOT ZERO to the OUTBOX.

You got a new command! It jumps ONLY if the value you are holding is ZERO. Otherwise it continue to the next line

Strategy

You get a new command, JUMP _{IF ZERO} (abbreviated JUMPZ in the program listings.)

JUMP _{IF ZERO}

This jump command works similarly to the original JUMP command. However, this command jumps conditionally. The program only jumps to a different instruction if, and only if, the value held in the worker's hands is zero. If it is, the program will follow the jump. If it's any value other than zero, the program will ignore the jump command, and continue on to the next command.

It may be the seventh year, but this job is almost exactly like the one from Year 2. The only difference is you must avoid placing zeros on the OUT belt. In order to do this, you will examine everything you pick up from the IN belt, and check if it's zero before going to the OUT belt. If it is a zero, you will ignore it (effectively throwing the value away) and move on to the next value.

a:
b:
   INBOX
   JUMPZ    b
   OUTBOX
   JUMP     a

Optimizing

It is not possible to further optimize this solution.

Performance

Steps     Size      Speed
Goal        4         23
Reached     4         23