pep8-assembly

Why am I getting an error upon assembling?

I am trying to translate global array vector but whenever I assemble it I get an error. I am using indexed addressing and I don't understand why this is wrong. Figure 6.34 DECO vector,x ; << vector[i];ERROR: This instruction cannot have this addressing mode. ...

Why is Pascal's Triangle manifesting itself in the output of my array (not intended)?

I am having a problem getting my Pep/8 assembly program to produce the correct output. The goal is to input a number n followed by n numbers and then have the output place the first number at the end of the array. An example of input and correct output is as follows: "Three numbers of which 1,2, and 3 are in the array." Input: 3 1 2 3...