This is a collection of papers queued here for selection and eventual upload to the Informatics ed-comp-hist archive.

Atlas Autocode

• AA ref manual 90pp
• Atlas Autocode Compiler Source Listing Ver 4F 16-2-65
• AA Compiler for KDF9 72 pp.pdf

• edsac 2
• edsac
• edsac orphans
• edsac
• EDSAC

EMAS

• 2980 User's Guide (incorporating update 1).pdf
• 4-75 EMAS ref manual (checked).pdf
• An Experiment in Doing it Again But Very Well This Time - Shelness, Rees, Stephens, Yarwood.pdf
• Edinburgh Algol Language Manual (checked).pdf
• Edinburgh IMP Language Manual (with updates to 1982).pdf
• EMAP 4-75 EMAS (checked).pdf
• EMAP 4-75 EMAS Primary Subsystem Reference Manual (needs fixing).pdf
• EMAP sys prog spec (checked).pdf
• EMAS 2900 Concepts (checked).pdf
• EMAS 2900 User's Guide (checked).pdf
• EMAS 3 UG chaps 1-6.pdf
• EMAS 3 UG chaps 7-17.pdf
• EMAS 3 UG chaps 18-end.pdf
• EMAS papers (checked).pdf
• EMAS Performance Measurement experments using a remote terminal emulator (damaged).pdf
• EMAS performance measurement using ERTE.pdf
• emas switch off.pdf
• EMAS User Manual (checked).pdf
• EMAS Users Guide.pdf
• Introduction to EMAS (checked).pdf
• The Structure of the EMAS 2900 Kernel - Rees.pdf

FRED MACHINE (APM)

General

• [1.1] APM working documents Rev. 1.0 (May 1983)
• [1.1a] Addendum to APM working documents - Level 1 Graphics (F. King)
• [1.1 rev] APM working documents Rev. 1.0 (May 2020)
• [1.2] view:apm (HELP APM)
• [1.3] PAM: Parameter acquisition module (H. Dewar, Mar 1984)
• [1.4] view:sfp (HELP SFP)
• [1.5] Motorola specifications: 6840 PTM, 6850 ACLA, 6821 PIA (Motorola)
• [1.6] M68000: 16-bit microprocessor User’s Manual (Motorola)
• [1.7] Intel specifications: 8257/8257-5 Programmable DMA controller
• [1.8] Zilog Z80/Z80A CPU: Technical Manual
• [1.9] "The Edinburgh Advanced Personal Machine, or LEGO bricks and computing" (F. King, H. Dewar, I. Hansen, R. Thonnes)
• [1.10] "A Brief Introduction to the APM System" (J.G. Hughes)
• [1.11] 512Kb Memory board controller state machine definition
• [1.12] QSART: 2651 PCI specification and register addresses
• [1.13] “The Evolution of the Fred Machine” (G. Brebner, F. King), CS Dept. Internal Report CSR-246-87, Sep 1987
• [1.14] CS component sheets and schematics

Languages

• [2.1] "The IMP-77 Language" (P.S. Robertson)
• [2.2] view:lib (HELP LIB)
• [2.3] view:c (HELP C)
• [2.4] IMP-77 core environment definition (Lattice Logic)
• [2.5] i:maths.inc
• [2.6] Summary of the major IMP libraries 1984 (J.G. Hughes)
• [2.7] view:imp (HELP IMP) IMP compiler for Motorola 68000 (H. Dewar)
• [2.8] APM-TD: Runtime support for IMP/Pascal (H. Dewar, 15/08/83)
• [2.9] APM-TD: IMP/Pascal Procedure calling and register usage (H. Dewar, 19/10/83)
• [2.10d] IMP Event Numbering - Proposed Revision (H. Dewar)
• [2.10] Synchronous Events in IMP 2.0 (H. Dewar)
• [2.11] APM system documentation: Program Environment (H. Dewar)
• [2.12] APM Pascal (H. Dewar)
• [2.13] IMP 3.0 (H. Dewar, CLAN systems)

Communications

• [3.1] ether:guide.lay "A programmer’s Guide to the EUCSD Ethernet" (R. Thonnes, Dec 1983)
• [3.2] ids.inc (IMP include file)
• [3.3] Standard video terminal interface
• [3.4] fmacs:clients.inc
• [3.5] jhb:chario.lay "APM Asynchronous character I/O" (J. Butler)
• [3.6] i:chario.inc
• [3.7] VAX Ethernet Link Driver (G.D.M. Ross)
• [3.8] Ethernet Protocols: Design and Implementation (W.P.S. Enos, MSc. Thesis)
• [3.9] view:eftp The EFTP program (R. Thonnes)
• [3.10] Installation criteria for Ethernet Coaxial Cable (C. Young 10/5/84)
• [3.l1] A Hitch-Hiker’s Guide to Ethernets, ECMA and ISO (J. Butler)
• [3.12] APM-TD: The development of the EUCSD Network (G. Cleland, 01/02/84)
• [3.13] Edinburgh Local Area Network (W. Enos, I. Hansen, R. Thonnes, undated)
• [3.14] ISOing the network (R. Thonnes)

Filestore and Authorisation

• [4.1] "The Filestore" (H. Dewar, V. Eachus, K. Humphry, P. McLellan, Dept. of Computer Science Oct 1977, revised Sep 1981 (draft))
• [4.2] "Chapter 2 – The Local File System" (part document, no further info)
• [4.3] The (New) New Filestores (G. Ross, Feb 1985)
• [4.4] The New Filestores (draft, G. Ross, Aug 1985)
• [4.3 rev] The (New) New Filestores (G. Ross, revised, Oct 1985)
• [4.5] Thoughts on a File Access Protocol (G. Ross, Oct 1985)
• [4.6] Network Authorisation Protocol (G. Ross, Nov 1985)
• [4.7] File Access Protocol (G. Ross) (draft, Dec 1985)
• [4.8] Level 5: What Should it Do? (G. Ross, Dec 1985)

Printing

• [5.1] “Layout” (P. McLellan, Dept. of Computer Science Internal Report CSR-21-78, Feb 1978)
• [5.3] Laser Printer Controller - General-purpose Protocol (H. Dewar, Sep 1983)
• [5.4] Layout Formatting Language Reference Manual (Clan Systems, Dec 1985)

Future Developments and Operating Systems

• [6.1] Proposal to Port a Unix Environment to APM (G. Cleland, Aug 1984)
• [6.2] Some ideas about the new FS + The Kernel within the APM (J. Wexler, Sep 1985)
• [6.3] A New Operating System for the Fred Machine (anon, Jan 1987)
• [6.4] Sons and Daughters of APM (D. Rogers, Dec 1988)

Miscellaneous

• [7.1] Emulating the Fred Machine (B. Foley, M.Sc. Thesis, 2003)

OTHER MACHINES

Machine Architectures

EDSAC 2 - Cambridge 1957, Valve technology, built by Maurice Wilks.