machines or virtual machines Disassembler – reverse process of Assembly, reconstructing assembly-like source from machine code Notes References Additional references Rudd, Anthony. An Illustrated Guide for z/Architecture Assembler Programmers. Create Space (2012). External links A Programmer's Introduction to IBM System/360 Assembler Language (Student Text) High Level Assembler for z/OS & z/VM & z/VSE Language Reference The Punctilious Programmer: IBM Mainframe Assembler Basic IBM Mainframe Assembly Language Programming OS/390 Assembler Programming Introduction or try this Web enabled IBM Assembler F compiler for small experiments ASSIST – Assembler System for Student Instruction & Systems Teaching Basic assembly language Assembly languages Assembly language software Assembly language Basic