Vax 613 0S Instruction Manual Page 57

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USER
GROUP
NEWS
Issue 3 - Vol 2
PRODUCT
PERFORMANCE
PRODUCT
8560 and
the"
find"
comma~d
CONFIGURATION
8560
TNIX
version 1.4
PROBLEM
Section 8 of the
TNIX
manual
(page 17) describes a procedure to remove all files owned by a user.
The
example
should
be
followed
with
extreme
caution.
It
the user omits
the"
-" before
the"
user" option, all files will be
removed. Also if the user
is
logged-on,
the
command
execution will
result
in
the
port
assigned
to
the"
removed
user" also being removed.
6801
STATUS
LINE
PULSES
IN
MODE
1
PRODUCT
6801
Emulator
and
Probe
in
emulation
mode 1
CONFIGURATION
8550 DOS-50 version 1.3
with
the
6801
Emulator
and
Probe
PROBLEM
When
the 6801 is in
Emulation
Mode 1 and
the
Processor
is
in Mode 7, (single chip mode) erroneous pulses are
present
on
the
output
of
Port
4.
The
pulses are only present when
the
DDR
(Data
Direction Register) is
configured as
outputs
and
the
TRA
A
command
is in effect.
8085
PASCAL
AND
LPT
PRODUCT
8085
Pascal
compiler and
LPT
CONFIGURATION
8550 DO S-50 version 2.1A, 8085
Pascal
compiler version 4.02
PROBLEM
Pascal
module FILUQQ installs a series
of
strings
in
memory representing various devices such as
'LPT'.
In
the
case
of
LPT,
a space
character
proceeds the L character.
Thus
the
assign svc
sees"
space 'L'
'P'"
which is
not
recognized, nor does the generated code complain
at
the
assign failure.
THUS
LPT
DOES
NOT
WORK
AS A
PASCAL
OUTPUT
CHANNEL.
COMMENTS
Workaround--after
loading code in memory &
the
sequence"
LPT"
is
found,
the
examine
command
can be used
to change
it
to
"LPT
".
December 1983
TEKTRONIX
53
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