Tandy 600 Programmer's Reference Manual page 121

Bios programmers
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9.
APLSIZ
-
Application
Initial
AMI
size.
This
word
specifies
the size
in
bytes
that
the
AMI
file
should be
when
an
application
is
being run
on
a newly
created AMI.
10.
DATPOS
-
Data
Image
Position
in
Load
File.
The
position within
the
application load
file
that
an
image
of
the
AMIs
initialized
data
is
to
be
found.
11.
DATLOC
-
Data
Image
Position
in
AMI.
The
position within
the
AMI
that
the
image
of
the
initialized
data
is
to
be
copfed.
12.
DATLEN
-
Data Image
length.
The
length of the
initialized
data image.
The
following
define the optional
fields
in
the application
header.
1.
APLSIZ
-
Program
File
Size
This
word
contains the
size
in
bytes
of
the
program code
file.
This
word
is
checked
against
the actual length of
the
file
at
exec
time.
If
the current
file
size
is
less
than
APLSIZ,
the
program code
file
is
considered
to
be
damaged
and
will
not
be
run.
2.
Reserved
Reserved
for
future use.
Must be
initialized
to
-1
(OFFFFh).
116

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