2.11.9 Load command
.....................................................................
(L command)
I Format I * L < load address > < : file name >
This
command
loads the specified file into memory, starting
at
the load address.
If
the
load address
is
omitted, the execution address contained in the file
is
assumed
as
the load address.
If
the file name is
omitted,
the
first file encountered
on
the
tape is loaded.
The
message
"ERR?"
is
displayed
if
a check sum
error is detected
or
the I
BREAK
I key
is
pressed during execution,
then
the
monitor
returns to
the
command wait state
input
mode. The command
input
mode wait state
is
entered when execution
is
wait state is entered when execution is completed.
2.11.1 0 Verify command
...............
.
..........................
.
.....................
(V command)
I Format I * V < file name >
This command reads
the
specified file from cassette tape and compares
it
with the contents
of
memory.
This makes
it
possible to confirm
that
a program has been properly recorded with the SAVE command.
If
any difference is found between data read from the tape and
that
contained in memory, the message
"Err
? " is displayed.
2.11.11
Return command .
...............................
.
.......
.
.....................
(R command)
I Format
I
*R
This command returns
control
to
the
system program which called the
monitor
program and restores
the
SP (stack pointer)
and
HL register
to
the values which they contained when the
monitor
program was
called. Execution resumes with
the
command following BYE is executed.
This command
cannot
return control
if
the
monitor
has been called
by
a system program whose stack
pointer
is
between
FFOOH
to
FFFFH,
or
if
the
stack
pointer
does
not
contain a
return
address. In such
cases, use
the
G command
to
call
the
warm start
entry
point.
----------
--
----
--------------------------------------
--
----------
---101
To Next Page
Loading...
