User`s manual

.READLN

5-12

.READLN

Name

.READLN - Read line to Þxed-length buffer

Code

$0004

Description

.READLN is used to read a string of characters from the default

input port. Characters are echoed to the default output port. A

string consists of a count byte followed by the characters read from

the input. The count byte indicates the number of characters in the

input string, excluding the

<CR><LF> sequence. A string may be up

to 254 characters.

Entry Conditions

R03: 32-bit address of input buffer

Exit Conditions Different From Entry

The Þrst byte in the buffer indicates the string length.

Note The caller must allocate 256 bytes for a buffer. Input

may be up to 254 characters. A

<CR><LF> sequence is

sent to default output following echo of input. The

control characters described in the section Control

Characters in Chapter 2 are in effect.