Atlas magnetic tape system: interrupt routines and other documentation.

Reference
- GB 133 ESF/23
Dates of Creation
- 1964
Physical Description
- 1 folder

Scope and Content

Folder, containing:

(a) a 16-page typed description of Interrupt Routines R401 - R407, R411 - R413, R419 and R421;
(b) also, a 2-page description of mag tape flip-flops in the Subsidiary Store;
(c) also, a single-page list of abbreviations used in mag tape documentation.
(d) Foolscap diagram of digits in mag tape working stores;
(e) 8 foolscap sheets of flow charts for dealing with mag tape interrupts. There are duplicate copies of all of the above documents.

Archive Record|Table of contents

Eric Sunderland PapersESF

The Autocode programs developed for the Manchester University Computers. R A BrookerESF/1

Reprints of three IEE papers on computer hardware.ESF/2

R A Brooker and Frank Sumner, "The Atlas One-level Store"ESF/3

S Michaelson and D G Burnett-Hall "The Manchester Mercury Autocode system: No. 5, a glossary of terms and formulae"ESF/4

R A Brooker and D Morris, "A description of Mercury Autocode in terms of a phrase structure language"ESF/5

R A Brooker and D Morris, "Some proposals for the realization of a certain assembly language"ESF/6

The Manchester University Atlas operating system. Part I: internal organisation.ESF/7

TR5 paper tape reader logical diagram; teletype logical diagram.ESF/8

Ferranti Flexowriter codeESF/9

Atlas B Adder operating strobes.ESF/10

Set of Atlas schematic and logic diagrams.ESF/11

Summary of Atlas basic instructions.ESF/12

Atlas computer: summarised programming information. Ferranti Ltd. (later ICT) June 1963. List CS 384ESF/13

Large block diagram of AtlasESF/14

T Kilburn, R B Payne and D J Howarth, "The Atlas Supervisor"ESF/15

B Stokoe and E B Fossey, "List size restrictions in the current version of the Atlas Fortran compiler 12th February 1962".ESF/16

R A Brooker, D Morris and J S Rohl, "Trees and routines"ESF/17

R L Grimsdale, R W Mathers and F H Sumner "An investigation of computer-controlled traffic signals by simulation"ESF/18

Specification for dimensions of punched tapes used with Ferranti computers. Ferranti Ltd., List CS364ESF/19

Functional descriptions of some Atlas central processor sub-unitsESF/20

Atlas Peripheral V-Store: digits, addresses and LAM tree. Drawings OD 4.02, 4.03ESF/21

Atlas PAT tests, Mark 2.ESF/22

Atlas magnetic tape system: interrupt routines and other documentation.ESF/23

"Input and output for ICT Atlas computers 1 and 2. ICT, April 1964"ESF/24

"Preparing a complete program for Atlas 1. ICT, Aug. 1964"ESF/25

Atlas scheduling rules.ESF/26

The ICT Atlas 1 computer programming manual for Atlas Basic Language (ABL). List CS 348AESF/27

The ICT Atlas 1 computer programming manual for Atlas Basic Language (ABL). List CS 348A,ESF/28

Atlas Computer Laboratory: Users’ Handbook. January 1965.ESF/29

J B Dennis, "Segmentation and the design of multi-programmed computer systems"ESF/30

Ampex magnetic tape deck logic. Ferranti drawing LDP/0404.ESF/31

Peanut puzzle.ESF/32

Miscellaneous Atlas program notes and code fragments.ESF/33

Frank Sumner and Eric Sunderland, "Automatic program tracing"ESF/34

Atlas 1: Central computer. ICT manual EP 89 .ESF/35

Atlas Intermediate Input C.ESF/36

Intermediate Input F (IIF).ESF/37

Atlas central V-Store, E S. 20th May 1966ESF/38

R A Brooker, J S Rohl and S R Clark, "The main features of Atlas Autocode"ESF/39

D J Howarth, "Variable input code conversion at MUSE, 25th April 1967"ESF/40

On line fault monitoring on MUSE.ESF/41

E. Sunderland, "Automatic fault monitoring and restart procedure on the SRC Atlas", 16th February 1968.ESF/42

E Sunderland, "Implementation of disc versions of tests on SRC Atlas"ESF/43

E Sunderland, "MUSE disc file object program use" 22nd July 1968.ESF/44

Eleven Atlas Supervisor and engineers’ test tapes.ESF/45

Experiments to determine page usage and other run-time statistics for a range of Atlas user-programs.ESF/46

Atlas experiments: checking usage of pages between drum-to-core and core-to-drumESF/47

Atlas experiments: checking the frequency of instruction-types, etc.ESF/48

Thoughts on an MU5 instruction buffer and jump-trace unit, based on experiments on Atlas.ESF/49

Atlas fault logging. Line printer output of log tape, 28th Nov. 1969.ESF/50

Atlas fault loggingESF/51

Roll of teleprinter paper containing instructions to the magnetic tape operator, 20th March 1971.ESF/52

1905E. Internal departmental memo.ESF/53

MU5 CPU overall diagram, issue 1, 17th February 1971ESF/54

Code and data for Atlas four-part harmony musicESF/55

Generating four-part harmony music on the Ferranti Atlas computer at Manchester University.ESF/56

Reel of 8-track paper tape, labelled ‘Welsh Dirge’ESF/57

R N Ibbett., "The MU5 instruction pipeline"ESF/58

Farewell to Atlas.ESF/59

MU5 Exchange OR-gate block diagram. 4/10/Fig. 2 (Issue 1).ESF/60

Notes for a presentation on MU5ESF/61

MU5 demonstration programs for the University Open Day, 20th May 1978ESF/62

PDP 11/34s and MU6ESF/63

System architecture diagram of the Manchester University Parsifal transputer network.ESF/64

E-mail exchanges between Eric Sunderland and SHL, autumn 2012, recalling various details of the Manchester Atlas installationESF/65