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Radio Shack TRS-80 Model 4 - Page 128

Radio Shack TRS-80 Model 4
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Specifying SYSTEM (BLINK) returns the cursor
to
its start-up
character and size.
SYSTEM
(BREAK
[=
SIAl
it
c
h]
)
(ENTER)
enables or disables the
(BREAK)
key.
The switch is either YES or
NO.
If you do not specify switch, YES is
assumed.
Once the
(BREAK)
key
is
disabled
by
issuing a SYSTEM (BREAK = NO)
COMMAND, pressing it has
no
effect.
You can re-enable it at any time by issuing a SYSTEM
(BREAK
= YES) command. This command also enables the
(BREAK)
key if it was disabled by the AUTO library command.
If you switch Drive
0 disks or change the logical Drive 0 with the
SYSTEM (SYSTEM) command, the default value you select for
BSTEP is taken off the new Drive
0 disk.
SYSTEM
(DATE[=switch])
(ENTER)
enables or disables the prompt for the date when you power
up
your
system.
The
switch is either YES or
NO.
If you specify the switch
as
YES, the system enables the date prompt
if it has been disabled with the
NO
switch.
If
yotJ
do not specify
switch, YES is assumed.
If you specify the
switch
as
NO,
the date prompt is disabled when
you power up or restart your system.
Since the date is used extensively throughout the TRSDOS system,
we recommend that you never disable the initial date prompt.
SYSTEM
(DRIVE=drive,[parameters])
(ENTER)
sets certain parameters for the disk drives
in
your system.
drive is any valid drive number
in
your system.
The
parameters are:
CYL
= number sets the default number of cylinders that is used
with the FORMAT utility.
number is
in
the range of 35 to 96.
DELAY
=
NONES
sets the DELAY time for floppy disks. DELAY
time is the time allowed between the drive motor start-up
and the first attempted read of the diskette
in
that drive. If
you specify DELAY
=
NO,
the DELAY time is set to
.5
seconds (the standard DELAY time). If you specify
DELAY
= YES, the DELAY time is set to 1 second.
DISABLE removes access to the specified drive.
ENABLE allows access to a drive that has been disabled.
1-123

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