2M 0343_Whirlwind_I__Storage_Modification_Mar59 0343 Whirlwind I Storage Modification Mar59

2M-0343_Whirlwind_I__Storage_Modification_Mar59 2M-0343_Whirlwind_I__Storage_Modification_Mar59

User Manual: 2M-0343_Whirlwind_I__Storage_Modification_Mar59

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UNCLASSIFIED
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
LINCOLN LASORA TORY
Memorandum No._....::2M=.'-&-....::O~3..,1.4..:....L3_ _

To:

Whirlwind I Users
Non-Lincoln Recipients

From:
Subject:

Arthur A. Mathiasen

PLEASE DO NOT RETURN

Whirlwind I Test Storage Modification

Permission has been granted by the Contracting
Officer to destroy this document, when it is no
longer required by the using agency, according
to applicable security regulations.

ABSTRACT

A modification· is being made to the Whirlwind I
Test Storage.

The changes should affect very

few programmers in any detrimental fashion.
\. This memorandum contains the revised contents.

Si9ned_~aL-.::......:tWri~f~(~JJ~-+-J
__
AAM: b i c '
Author

6 March 1959
Rec'd 6 March 1959

Date

The research reported in this document was supported
jointly by the Deportment of the ArmYI the Department
of the Navy, and the Department of the Air Force
under Air Force Contract No. AF19(604).5200

UNCLASSIFIED-

Page 1
The following will be the contents of Test Storage as of 9 March 1959. The
change s made should not affect any programs. If they do, this should be noted so
that Test Storage may be set up correctly for operation of the program. This
change has been made to facilitate new operations of the Utility System.
Register
(decimal)

Register
(octal)

Contents
(octal)

WI Instruction

o

o

0.00000

s1 0

1

1

0.00001

s1 1

2

2

FF-2

3
4

3

FF-3

4

1.00065

FF-5

6

5
6

7

7

8

5

Alternate FF-4

0.14174
0.50002 (FF-6)

ta 2

10

0.34320

cf 320·

9
10

11
12

0.77177

11
12

13

13
14

15

1.00005
0.74002
1.00006
0.20040

sp 3777
ca 5

16

0.74004

0.00102

17

17
20
21

1.00006
0.10040

ca 6
bo 40
sp 4
s1 102
ca 6
bi 40

18

22

0.14004

sp 4

19
20
21

23
24

0.14062
0.40024 (FF-4)
0.33741
1.00023
1.14024

15
16

22

23
24

14

25
26
27

0.74036

ca 23
su 24

Re-entry for block-out

Block-in from MTO
Re-entry from block-in

Block-in of DG 7

ap 36
ta 3

26

32

27

33

28

34
35

0.20032

1.14025

ca 32
s1707
bo 32
au 25

36
37

0.00103
0010036

a1703
b1 36

31

Block out/in

Standard FF-4

25

29
30

Alternate FF-6
Standard FF-6

sp 2

30
31

0.50003
1.00032
0.00707

Purpose

Read-in

Block-in of DG 9

Page 2
The nomal order of Flip Flops will be unchanged; i.e., FF-2 in 2, FF-3 in 3,
FF-4 in 20 (24 octal), FF-5 in 5, FF-6 in 7. For purposes of running the Checker,
the Flip Flops should be in nUlllerical order: FF-2 in 2, FF-3 in 3, FF-4 in 4,
FF-5 in 5, FF-6 in 6.

For your information, a new service is available. In particular, to block
out fran. 40 (octal) to the drums, the Flip Flops should be in numerica.l order,
Program Counter at 12 (octal), and Flip Flops set up a.s follows:

FF-21
FF-31
FF.41
FF- 5 1
FF-6 1

s1
sp

(1) 1 (1) 7
14

(Drum si)

I

sp x
Drum Address
si 0

NUmber of registers

I.e., FF-2 has the proper drum si.
To block in to 40 (octal), Flip Flops 2 and 3 should be:

FF-2 ,
FF-31

s1 (1) 1
sp 20

(1) 3

Page 3

2M-0343
Distribution
Lincoln
R.

c.

M. I. T.
Butman

A. Curtiss

(5)

Ro Enticknap
C. Forgie
F~ C. Frick
F. Eo Heart (2)
D. C. Maclellan
A. A. Mathiasen (5 )
Vo A. Nedzel
H. Peterson
G. H. Pettengill
H. Sherman
Eo B. Howell

MITRE Corp.

D. Israel
Data Processing
8 Pelham Road
Natick, Massachusetts
R.. K. :Bennett

M. Ayvazian
W. Blackstock
E. Witmer
S. Namyet
J. Cunningham
E. Campbell
G. Hughes
w. Youngblood
D. Ross (2)
L. C. Allen
J. Wood.
R. Watson
D. Arden
C. J. Maletskos
L. J. Gitten
E. A. Kelley
B. Shorr
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