
Vector
RAID
Reference
Manual
2.9
Halt
area
The
halt
area
of
the
display
is
used
in
conjuction
with
the
Halt
ccmnands
80,
BP, arxl
EM.
'lbese
camrands·
cause
sinulation
to
halt
when a
pre-selected
opcode
is
executed,
when
a
pre-selected
PC
value
OCCJrS,
or
when
the
contents
of
a
pre-selected
nenory
location
take
on
a
given
value.
After
you
enter
one
of
these
commands,
the
entered
opcode,
PC
value,
or
memory
.location
and
contents
will
be
displayed
next
to
the
0:,
P:
I
or
M:,
respectively.
This
part
of
the
display
simply
reminds
yOl
of
the
Halt
ccmnand
(s)
yoo had
entered.
In
the
upper
right-hand
corner
of
the
halt
area
is
a
small
square
area.
When a
halt
does
occur
as
a
result
of
a
Hal
t
setting,
the
type
of
halt
is
Wicted
in
this
area.
You
will
see
either
"BOn,
"HPn,
or
"EM".
'!be
00,
EP,
and
8M
camands
are
diso.lssed
in
Chapter
3
•.
2-10
Rev.
1.I-A
5/30/80
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