HP 3000 III Series Manual page 221

System Microcode
Table 5-9. Skip Field Code Definitions (Continued)
1----~-------'-~--'l'----~T"-"----' --.----.---.--.----.------.-.---~-
. . ---
I I
Fie Id
I
I
Label and Name
I
Code
I
Description
1 . -_. .1 __-_-__ I_._-_.._. ._. .
_~_.
__-_._.__._. -. _
Nap
11111
NPRV
10110
(Not Privileged)
NSME 00100
(Not Same)
NZRO 00001
(Not Zero)
ODD 00011
pas
01010
(Positive)
RSB 11000
(Re t ur n fr om
Subroutine)
SR4 10010
(SR=
4)
SRL2 10101
(SR<2 )
SRL3 10111
(SR<3 )
SRN4 10011
(SR Not 4)
SRNZ 10001
(SR Not Zero)
No opera tion.
The Skip field code NPRV sets the
NOP2 FF if the privileged mode bit
(status word bit 0) is zero.
The Skip field code NSME sets the
NOP2 FF if all bits of theT-Bus
are not the same.
The Skip field code NZRO sets the
NOP2 FF if the T-Bus word is not
equal to zero.
The Skip field code ODD sets the
NOP2 FF if the U-Bus word is an odd
number (U-Bus bit 15 is a logic 1) .
The Skip field code
pas
sets the
NOP2 FF if the U-Bus word is a pos-
itive number (U-Bus bit
0
is a log-
ic
0) •
The Skip field code RSB causes a
microjump to the ROM address con-
tained in the Save Register.
The Skip field code SR4 sets the
NOP2 FF if the SR Register content
is equal to four.
The Skip field code SRL2 sets the
NOP2 FF if the SR Register content
is less than two.
The Sk ip f ie Id code SRL 3 se ts the
NOP2 FF if the SR Register content
is less than three.
The Skip field code SRN4 sets the
NOP2 FF if the SR Register content
is not four.
The Skip field code SRNZ sets the
NOP2 FF if the SR Register content
is not zero.
5-41