V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
ISPS Instruction Set Processor Specifications (HDL)The Free On-line Dictionary of Computing (30 December 2018):
ISPS Instruction Set Processor Specifications. Operational hardware specification language. Successor to ISPL. ["Instruction Set Processor Specifications", M.R. Barbacci et al, IEEE Trans Computers, C-30(1):24-80 (Jan 1981)]. [Bell, Newell, Siewiorek, Barbacci 1982?]