Radio Shack TRS-80 Owner's Manual page 48

CLEAR
Clear User
Memory
clear
{
stabt
-
aaaa.aiB
~
tbb'OMfW.
~
cccs)
is
a
four-dloit
hexstieeSma!
number
from
soon
to
fhs end
of user
!
.:*-.j
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S":-.-:l
'«::;
.:
r-*i:
-
:-.?:.
;vv
'•
•:;
-•..
::';-:1 .v.-
.;:.;.;
!i
5 ;c!i?
.;
:
i:'*;/5
;
':f:ji:
:;,.':..
.v.m:
-.v-m
--
;
;
<./.
used, start
=
aaea mus!
aim
fee
used
mem
=
cccc sets tns
memory
protect sdaress. cccc
is
a four-digit
hexadecimal
number
from
mm
fa ffff.
if
ihis
option
is
omitted.
This
command
gets
you
off to a fresh
start.
Depending on
the options
you
select, this
command
will:
•
Zero
user
memory
(load
binary zero
into
each
memory
address
above 6000)
•
Clear
the
Display
•
Un-protect
all
memory
See
Memory
Requirements
of
trsdos
for
more
information on
the
memory-
protect address. Note:
clear
cannot be used
in a
do
file.
Example
CLEAR (START=90EB)END=0A000)
Note:
Hexadecimal numbers which
begin with
a
letter
must
be prefaced by
zero
(see
above example).
CLEAR <HEM=7000)
32