
Section 4 Serial Controller
4.35
state is the state of a bus management line. A slash
[
/
]
indicates
unasserted,
[
X
]
means "don't care". The absence of a slash
[
/
]
or
[
X
]
means true (asserted).
line
is a bus management line, one or more of:
ATN
,
REN
,
EOI
,
IFC
, or
SRQ
.
byte
is a data byte specifying the state of the data lines.
byte
may
be specified in Binary (%01001010), Decimal (122),
Hexadecimal (&H3F), or ASCII ('A). In binary or hexadecmal
format, an
X
may be used to specify "don't care".
location
is an address of the record memory, from 0 to 32767
+
or
-
indicates a search direction.
ERROR
specifies a bus error condition.
RESPONSE A five digit number, 0 to 32767, specifying a location in the record
memory, or the number 65535 if no match is found.
MODE Any
BUS STATES None
QUERY A fixed-field string in the following format:
RESPONSE FIND MATCH[[ ][/][X]]ATN [[ ][/][X]]REN
[[ ][/][X]]EOI [[ ][/][X]]IFC [[ ][/][X]]SRQ
byte [[ ][/][X]]ERROR
EXAMPLES
PRINT#1,"FIND MATCH &H0D"
Find first location containing a
Carriage Return.
INPUT#1,A$
Get response
PRINT A$
Response:
6
Location 6 contains a Carriage
Return character
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