Shift Field Code Definitions - HP 3000 III Series Manual

Sys tem Microcode
Table 5-5. Shift Field Code Definitions
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Field
I
Label and Name Code
I
Description
___- - 1 - - - - - - - - - - - - - - - _- _
(blank) III
LLZ 001
(Left to left and
Zero)
LRZ
000
(Lef t to Righ t
and Ze ro)
RLZ 101
(Right to left
and Ze ro)
SWAB
110
(Swap Bytes)
RRZ 100
(Righ t to Righ t
and Ze ro)
SLI 010
(Shift Left 1)
No
shift, the T-Bus word is placed
directly on the U-Bus.
The Shift field code LLZ places the
left byte of the T-Bus in the left
byte of the U-Bus and places ze ros
in the r igh t byte of the U-Bus.
r
I
The Shift field code LRZ places thel
left byte of the T-Bus in the rightl
byte of the U-Bus and places zeros
I
in the left byte of the U-Bus.
I
I
The Shift field code RLZ places thel
right byte of the T-Bus in the left
byte of the U-Bus and places ze ros
in the right byte of the U-Bus.
The Shift field code SWAB places
the left byte of the T-Bus in the
right byte of the U-Bus and the
right byte of the T-Bus in the left
byte of the U-Bus.
The Shift field code RRZ places the
right byte of the T-Bus in the
right byte of the U-Bus and places
zeros in the left byte of the U-Bus
The Shift fie Id code SLI shifts the
T-Bus one place left onto the U-
Bus. Refer to the Function field
code descriptions for the. action
taken when used with Function field
codes CRS, CTSD, CTSS, DVSB, and
TASL.
SRI all
(Shift Right 1)
The Shift field code SRI shifts the
T-Bus logically one place right on-
to the U-Bus. Refer to the Function
field code descriptions for the ac-
tion taken when used with Function
field codes CRS, CTSD, CTSS, MPAD,
I
and TASR.
I
___. I
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