Table of Contents
Advertisement
Section A:
System interface
************************************************************************
•
•
•
67 - Test for Break Character
•
•
•
************************************************************************
On entry:
c
43H
DE
Character or 0FFH
On return:
A
0 or 0FFH
Possible logical errors:
- none -
Possible physical errors:
- none -
Differences to CP/M plus:
New function.
Differences to CP/M 2.2 resp. DiCOS:
Old DiCOS function.
The
character
passed
either BREAK characters
set to 0FFH, otherwise
in register
E
{Control-C or
to 0.
is checked whether it
the user definable) .
is
I f
one
so,
A
of
is
If
E contains 0FFH on entry,
the keyboard will be checked
previously.
When there is a character pending, this will be checked.
If the check for BREAK characters has been suppressed by function 109, A
is always returned set to 0.
EOS System manual
Daeumling & Zimmermann
Page 95
Advertisement
Chapters
Table of Contents
