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ROLLOUT COMMAND
23. 1 --
Use
have
the
memory
~~l~~en
into
~ne
diskette
rile.
The
m~mory
block is only written into the Tile if
su~ficient
contiguous
space
can
be
allocated.
ROLLOUT
will then terminate and
return 'control to
MDOS.
The
liN"
response Ulill cause the
memory
start
and
end
address
messages to
be
redisplayed in order to allow another
set of addresses
to
be
entered.
The
It
Gil
response
will
terminate the ROLLOUT command and return control to MOOS.
23. 1. 2
Non-overlayed memory
If
the ROLLOUT command is invoked with the command line
ROLLOUT <name:>
then any block of memory not overlayed by MDOS or
~ne
ROLLOUT
command in either
EXORcise~
I
o~
II
(single
or
Executive
memory
map) can be written to the diskette Tile speciTied by
<name>.
The
file can be specified to reside on
any
logical
un i t number.
As
described
in
section
23. 1. 1,
the start/end address
message prompts will be displayed;
howeve~1
in
addition
to
the
criteria
set forth in that section ror valid addresses,
the address range must not have been overlayed by MOOS or the
ROLLOUT command.
If
an address range
is
specified that Tails
into the overlayed memory,
the message
START ADDRESS MUST BE GREATER THAN Snnnn
~ill
be displayed.
The "nnnn" is the last address
that
has
been
used
by
MDOS or the ROLLOUT command.
The operator
is
then given a chance to re-enter
the
addresses.
Otherwise,
the
function
of
the
ROLLOUT
command
is
similar
to the
Tunction
describ~d
in the previous section.
23.
'1.
3 Over lay ed memorq
If
the ROLLOUT command has been invoked with the command
line
ROLLOUT
iV
then
an~
block
of
memo~~
can
be
subsquently
~ritten
to
a
scratch diskette.
A
position-independent
routine
will
be
moved
into
memory.
This
routine
can
subsequentlv
be
activated bV the user from the debug
monitor
after
loading
his
test
program
into memory.
The
routine will be used
to
writ~
memory to a scratch diskette that has been placed
into
drive one.
Page
23-03
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