js/disassembler: Minor refactors and prettiness
js/disassembler: Minor refactors and prettiness

ChrisCummins/chriscummins.github.io,ChrisCummins/chriscummins.github.io,ChrisCummins/chriscummins.github.io,ChrisCummins/chriscummins.github.io,ChrisCummins/chriscummins.github.io