Radio Shack TRS-80 Model III - Page 75

OPERATION
$CSIN
—
565/X'0235'
Input a Byte
After completion
of SCSHIN, use $CSIN
to begin
inputting data, one byte
at a time.
Note:
You must call $CSIN
often enough
to
keep up
with the
baud rate
(either
500
or
1500 baud).
Entry Conditions
None
Exit
Conditions
A
=
Data byte
Sample
Z-80
Programming
See
SCSHIN.
$C
SHWR
—
647/X '
0287
'
Write Leader and Sync Byte
Each
cassette "record"
begins with
a
header
consisting
of a
leader
sequence
and a
synchronization byte.
SCSHWR
turns
on
the
cassette
and
writes out
this header.
Entry Conditions
None
Exit
Conditions
A is
altered.
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