Tools for the selfModify problem. When working on the selfModify problem, it is helpful to experiment. These tools help you write LC4 code and experiment with their execution. Using a browser, copy the contents of this directory to your branch: https://svn.cs.georgetown.edu/svn/projects/LC3tools/lc4asm/ Read the lc4asm/README.html: compile the assembler, lc4asm; create a program in lc4 assembly language, prog.asm; assemble the prog.asm to prog.bin; run the LC4 simulator, vvp lc4.vvp.