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ZiLOG System 8000 User Manual

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USER
36
Example
CONSTANT
TYWR
:=
%06
•
SC
#TYWR
(character
in
RLO)
PUTMSG
Description
Zilog
USER
Sends
a
character
string
to
the
terminal.
Register
R2
con-
tains
the
address
of
the
character
string
buffer,
and
the
first
byte
in
the
buffer
contains
the
number
of
characters
to
be
displayed.
If
there
is
no
return
in
the
string,
the
entire
specified
string
is
displayed.
Otherwise,
the
string
is
displayed
up
to
and
including
the
first
return.
Register
contents
RO,
RI,
and
R2
are
lost.
Example
CONSTANT
PUTHSG:=
%OC
TTY
(string
address
in
R2)
SC
#PUTl-ISG
Description
Receives
and
echoes
at
the
terminal
a
character
string
up
to
the
first
return.
The
character
string
is
stored
in
a
buffer
pointed
to
by
register
R2.
Register
RI
contains
the
size
of
the
buffer.
If
the
size
of
the
character
string
exceeds
the
size
of
the
buffer,
the
zero
flag
is
set.
All
lowercase
alpha
characters
are
converted
to
uppercase
char-
acters
before
they
are
stored
in
the
buffer.
RI
returns
the
actual
number
of
characters
received
from
the
terminal.
The
contents
of
registers
RO
and
R2
are
lost.
Example
CONSTANT
TTY
:=
%08
SC
#TTY
(string
address
in
R2,
size
in
Rl)
Zilog
36

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ZiLOG System 8000 Specifications

General IconGeneral
BrandZiLOG
ModelSystem 8000
CategoryDesktop
LanguageEnglish

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