Re: Understanding the Assembler Implementation

Posted by cadet1620 on
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/Understanding-the-Assembler-Implementation-tp3157601p3164130.html

Can you write something like D=M;JGT?

Yes, D=M;JGT is legal, but not too useful.  RAM[A] is copied to D and if RAM[A] >= 0, A is loaded into the PC.

More useful might be:
    @LOOP
    D=D-1;JGT

--Mark