Question: How do I write ROT13 Cipher code subroutine in MARIE Assembly Language to transverse inputs A-Z? My assignment is to write a MARIE assembly language

How do I write ROT13 Cipher code subroutine in MARIE Assembly Language to transverse inputs A-Z? My assignment is to write a MARIE assembly language program that accepts a string input and traverses the output. The program halts when a '.' is the input. I have code that currently outputs the correct values for A-M but is incorrect for N-Z.

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