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ZiLOG System 8000 Hardware Reference Manual

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HRM
PROCEDURE
NAME
TTY
DESCHIPTION
Zilog
HRM
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
R1
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.
R1
returns
the
actual
number
of
characters
received
from
the
terminal.
The
contents
of
registers
RO
and
R2
are
lost.
EXAMPLE
CONSTANT
TTY
:%08
SC
IITTY
(string
address
in
R2,
size
in
R1)
PROCEDURE
NAME
CRLF
DESCHIPTION
Outputs
a
return
followed
by
a
line
feed
to
the
terminal.
The
contents
of
register
RO
are
lost.
EXAMPLE
CONSTANT
CRLF
:=%OA
SC
/lCRLF
5-43
Zilog
5-43

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ZiLOG System 8000 Specifications

General IconGeneral
BrandZiLOG
ModelSystem 8000
CategoryDesktop
LanguageEnglish

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