IBM 7090 User Manual

I Time
Pri Op 10
L Time
SR(S-35)-.AO
(P-35) LO(D3)
2.12.15.1
1.
A 0(3-17)+AS
LO (03)
AS(10-17)
~ SC L2(Dl)
3 .06 .
16. 1 2. 11. 78 . 1
+ •
.-------l*t......, Yes
SR(18-3~)-+AO ~
(P-17) L9(03) ~No
2.12.16.1 AC(30-35)
1
~AO(l2-17)
L9(03)
2.10.15.1
AO(3-17) .... AS
L9 (03)
3.06.16.1
I
1
AS ..... AR
Al1(Ol)
3.06.18.1
[
No of Conversions
in SC
1
E Time
Shift AC Rt
EO(D6) 6 Shifts
2.12.33.1
Step SC
E6(0l) 1 Step
2.11.79.1
SB -.SR
E7(01) Yes
6 Bit }
2 12.50.~r----l------'
tr-------+- t-< SC = 0 No
SR(S-5)-.AC SR(18-35).AO '-A"'-C:::-:'(3-'o-~35-"")"-A-0-'
Develop Desired
Address in
Table
Develop Oesired
Address
in Table
Replace-
ment for
AC
FIG~E 5.3-71. CVR +0114
(P-5) Ell (01) (P-17) E9(03) (12-17)E9(D3)
2.10.15.1
2.12.16.1
AO(3-17) .. AS
E9 (03)
3.06.16.1
2.10.15.1
End Op 1
2.09.49.1
Bit TR 20
1
AO(3-17)~
XRA E11(0l)
2.12.70.1
Yes

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