However, the only form of a branching instruction available was a hard-coded unconditional branch (GOTO) that always executed at program completion (the end of the operation stack) to return to the starting instruction of the program (looped back to the beginning of operation stack).
However, the only form of a branching instruction available was a hard-coded unconditional jump (GOTO) that always executed at program completion (the end of the operation stack) to return to the starting instruction of the program (looped back to the beginning of operation stack).