ESCAPE – (Environment for the Simulation of Computer Architectures for the Pur-pose of Education) simulator was developed at the department of Electronics and In-formation Systems, Ghent University, Belgium. The ESCAPE simulator is an interactive environment, with the possibility to simulate two processors with the micro programmed and pipelined organizations and the same set of instructions. The simulator has only the top-level hierarchical organization. Both simulated architectures are custom-made, with a certain amount of configurability. The instruction set architecture is inspired by Hennessy and Patterson's DLX. Difference between these two processors is in their computer organization. The first one is a microprogrammed processor with Von Neumann organization, and the second one with the basic pipeline Harvard organization. This simulator has a fixed architecture, with a possibility to write code in assembly language. Execution state of this simulator could be monitored cycle by cycle or using break points on specific line or value. Stepping backwards is possible, but not more then 1024 steps. This simulator was developed using Borland Delphi. This simulator can be used on the following OS: Windows 3.x/ 98/95/NT. ESCAPE is an easy-to-use, interactive PC-based simulation environment designed as a support for computer architecture courses. In this environment it is possible to simulate a micro programmed and a pipelined architecture of a custom-made architecture. Tools encapsulated in this environment are: a memory monitor, assembler/disassembler, and some analysis tools [5]. This program can be used by students. It can be used for education purposes for introducing micro programmed and pipelined architecture. This simulator has been used in a second course on computer architecture in the computer science and computer engineering undergraduate curricula of the University of Ghent.