LOOPWHILE

Current valid syntax:

• A = B + C
• A = B - C
• A = B * C
• A = B / C (integer division)
• A = B % C
• A = B ** C (exponentiation)
• A += B
• A -= B
• A *= B
• A /= B
• A %= B
• A **= B
• A++
• A--
• IF A == B
• IF A != B
• IF A < B
• IF A > B
• IF A <= B
• IF A >=B
• IF0 A
• IF+ A
• [CODE] //[comment]

You can use numbers instead of registers everywhere except the left-hand-side of assignments (saying 2 = X would make no sense). Do not use register names that begin with JS unless you are not using the extended syntax.