IBM 7090 User Manual

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I Time
Pri Op 10
L Time
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(P-3S) LO(D3)
2.12.15.1
1
AD(3-17)--AS
AS(l 0-17) -SC No. of
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3.06.16.1
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(P-17) L9(D3)
2.12.16.1
L2(Dl) Additions
in
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2.11.7S.1
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es
SC=O
No
MQ (S-5)
~D(12-17)
L9(D3)
2.10.15.1
I
Develop
Desired
Address
in Table
Bit
R 2
AD(3-17) -AS
L9(D3) -
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AS--AR 2.09.49.1
All(Dl)
3.06.1S.1
E Time
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1 21'\ (Dol
2.12.70.1
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Rotate MQ Lt Off
6 Shifts <$?
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E6(Dl)
2.11 .79.1
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(P-35) E4(D3)
2.1? 1.') 1
AC(Q-35)-AD
E4(D3)
2.1? ?41
AD(Q-35)-+AC Addition
E6(Dl)
2.12.31.1
I
Yes
SB-SR rB1
L..
~E~7~(D~1~)~~ SC~
2.12.50.1
~
SR(1S-35) ---AC
(P-17) E9( D3)
No f .--
MQ(S-S) --AD Develop Desired
(12-17) E9(D3) Address in Table
2.12.16.1 2.10.15.1
~
f
Turn On CAQ
Tgr Ell
AD(3-17)-M
E9 (D3)
3.06.16.1
End Op
2.09.49.1
T
AD(3-17)-
XRA Ell (D1)
2.12.70.1
2.09.49.1
Bit TR 20
~ ______ JI~~ ______________ ~t
FIGURE 5.3-73. CAQ - 0114
1
1 Time
Next Inst
~ Off
~. ~
Addition ~ +
SR(S-35) --AD f.\C(Q-35) -AD
(P-35) 14(D3) 14 (D3)
2.12.15.1
1
2.12.24.1
AD (Q-35)--AC
16(Dl)
2.12.31.1

IBM 7090 Specifications

General

Category	Mainframe Computer
Introduced	1959
Transistor-based	Yes
Word Length	36 bits
Add Time	4.8 microseconds
Memory	Core memory
Memory (words)	32, 768 words