ZiLOG System 8000 User Manual page 56
Zeus operating system manual
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Also See for System 8000:
- Hardware reference manual (366 pages) ,
- Hardware reference manual (100 pages)
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USER
46
Zilog
USER
memory management
The
process
of
translating
logical
addresses
into
physical
address
plus
certain protection functions.
memory transactions
Monitor
normal mode
A transaction that transfers data to
or
from main memory.
The
S8000~Monitor
sets
software
break-
points
for
program debugging; includes
I/O control, interface software for
use
with a serial interface to a remote com-
puter
system,
and
the
primary
bootstrapper
used
to
bring the system
up.
A
running-state mode where the SiN
flag
in
the
FCW
is
0
and the N/S line is
High.
In this mode,
the
CPU
may
not
execute privileged instructions.
non-rnaskable interrupts
Interrupts which cannot be disabled.
nonsegmented mode
A Running-state mode of the
Z8001
CPU.
In
this
mode,
all
addresses are gen-
erated with the same segment number.
non-vectored interrupts
operand
output
Interrupts which do no use the
identif-
ier
word
as
a
vector to an interrupt
service routine.
An
item
of
data
operated
on
by
an
instruction.
Many commands in ZEUS produce data
that
is
called
output.
This output is usu-
ally placed on
what
is
known
as
the
standard
output, which is normally con-
nected
to
the
user's
terminal.
The
shell has a syntax using the rnetacharac-
ter
>
for redirecting the standard
out-
put
of
a command to a file.
Using the
~
mechanism and the rnetacharacter
I,
Zilog
46
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