Table of Contents
Advertisement
STORE B-REGISTER (STB) EXECUTION CYCLE.
Information is again transferred from B
to the memory (Figure 9):
1.
The operand address in L is transferred to the memory address lines for accessing
the memory.
2.
The contents of B is transferred to Y while the memory is being read out and cleared.
3.
Bis transferred from Y to the arithmetic unit.
4.
B is then transferred to Z.
5.
The contents of B is then transferred from Z to the memory drivers for the generation
in memory of the new information.
6.
The branch flip-flops store the plus, zero, and even conditions of the contents of B.
COllTllOLLD
, 0
COllTROLLU
#
7
- - -
- - - - - - - - - - - - - - - -
- -
-
-
-
,
B
REGISTER
18
Q
COUllTER
14
p
COUN?!R
lS
I.
REGISTER
All>l!SS
REGIS?!R
IS
I
I
_ _J
-1
51
.__ _ _ 1_s....-,_,,___ _ _ _
+-'~
I
J:
l
MAGNITIC
I
I
MEMORY
I
MEMORY
I
::y
DR~ I
UNIT
I
I'
N
I
REGISTD.
I
REGISTER
I
18
I
2
L_ ______ ,
INSIHT
SWITCllES
18
Figure 9. Detailed Block Diagram DATANET-30
Store B (STB)
BRAllCH FLIP-FLOPS
FLUS
ZBIO
!VD
6
Z DRIVDS
18
4
All'l'lllllTIC
UNIT
3
Y
UGISTU
18
@ruu&~~uCJ ~®------------
I-19
Advertisement
Table of Contents
