Radio Shack TRS-80 model III Owner's Manual page 38

BUILD
Create
an Automatic
Command
Input
File
file is
a
file
specification
which cannot include
an extension,
This
command
lets
you
create
an automatic
command
input
file
which
can be
executed
via the
do command. The
file
must
contain data that
would normally
be typed in
from
the
keyboard
to the
trsdos
ready mode.
build
files
are
intended
for
passing
command
lines to
trsdos
just as
if
they'd
been typed
in at
the
trsdos
ready
level.
Note:
clear cannot be used
in
a
do
file.
When
you
enter the
build
command,
build
creates the
file
and immediately
prompts
you
to
begin
inserting lines.
Each time
you complete
a
line,
press
(ENTER)
.
(While typing
in
a
line,
you can use the usual cursor control
keys
for
erasures
and
corrections.)
To end
the
build
file,
simply press (BREAK)
at
the
beginning of a
line.
First
type:
BUILD
filename
You
will
then be
prompted
to
type
in the
command
text.
You
then type
in
up
to
63 characters,
then press (ENTER)
.
You may
enter
as
many
lines as
necessary.
Press (BREAK) to quit
and
return to
trsdos ready.
A
Sample BUILD-File
Here's
a hypothetical BUiLD-file
that initializes
the serial
interface
and
the printer
driver:
SETCOM
<BAUD=12(Z}0,WAIT)
FORMS <WIDTH=80)
PAUSE SERIAL INTERFACE
&
PRINTER INITIALIZED
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