The latest version of Lisa is V3.2. Syntax mistakes can be reported immediately in the edit mode. Lisa can assemble about 30,000 lines of code in a minute on a 1 MHz computer.
The assembler also features "Randy's Hi-res Routines", a set of 2D computer graphics commands. Apple II's hi-res display pages (Hi-Res 1: 280 x 160 and Hi-Res 2: 280 x 192) were implemented by Steve Wozniak using two TTL chips. Therefore a software programmer has to deal with the discontinuous addressing of screen pixels (a full screen is split into three parts horizontally) and each pixel's coloring properties (each pixel uses 1-bit, its color is determined by that bit's place in a byte and its neighboring pixel). These ready-made subroutines were created to help programmers.
Lisa has a built-in disassembler.