A TRS-80-based system for the control of behavioral experiments

M. W. Emmett-Oglesby, D. G. Spencer, D. E. Arnoult

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


A TRS-80-based system is described for controlling and recording events from operant chambers. The system features a TRS-80 microprocessor with 32 K RAM, a floppy disk drive, an LVB optical interface, a printer, and a user-oriented program (Operant Protocol System, OPS). The LVB interface system is capable of up to 128 independent input/output operations for each of up to 8 boxes. The system uses assembly language routines for real-time control and event recording of up to 8 boxes simultaneously. BASIC is used to obtain user input and deliver data output in an interactive fasion. Advantages include dependable hardware, extensively documented and tested software, relative inexpensiveness, and standard-deviation-based variable schedules.

Original languageEnglish
Pages (from-to)583-587
Number of pages5
JournalPharmacology, Biochemistry and Behavior
Issue number3
StatePublished - Sep 1982


  • Assembly language
  • Behavior
  • Behavioral pharmacology
  • Operant research
  • TRS-80 microcomputer


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