Pascal-VU is the first Pascal compiler I worked with, during my study for MSC at the Vrije Universiteit, Amsterdam, 1979, 1980. It was running on a PDP-11/45 as Unix program. I was inspired by Andrew Tanenbaum and Reinder van de Riet as teachers. Those were the days of Pascal, clearly derived from the Px compilers by Wirth but extended and matured to the ISO standard.

Here a collection of documents from my personal archive on paper, followed by documents from the Amsterdam Compiler Kit (ACK).
It clearly shows that the base of the ACK was laid by the implementation of the Pascal-VU compiler as compiler to code for the virtual EM machine, evolved over time to suit the ACK.

	Pascal-VU Reference manual, 1979
	Pascal-VU Reference manual seems to be a later version
	Description of an Experimental machine Architecture for Block Structured Languages Wiskundig Seminarium Rapport IR-54 April 1980 The virtual machine for the Pascal-VU compiler
	Using Peephole Optimization on Intermediate Code Januari 1982
	A Practical Toolkit for making Portable Compilers September 1983
	Efficient Encoding of Machine Instructions
	Does anybody out there want to write HALF of a compiler?
	The EM interpreter, 1983
	Description of a Machine Architecture for Use with Block Structured Languages Informatica Rapport IR81, 1983
	The ACK Pascal Compiler
	ACK EM Pascal source
	ACK: A backend table for the 6500