Complete not chip.
Add simple argument check to assembler.
Stub main assembler method.
Prepare commands array and temporarily write all asm commands directly to hack output.
Translating simple A instructions and writing to output file.
Add empty code.rb
Implement Code class.
Complete symbol-less assembler.
Ignore .mine.hack files.
Add basic first pass to assembler. Print all labels.
Complete first pass. Add labels to symbol table, translate A-instructions that use labels.