Atari 400 - Page 313

30
PBUFSZ
960-999
PRNBUF
17
BRKKEY
694
INVFLG
702
SHFLOK
764 CH
53279
CONSOL
Appendix E. 311
This address indicates the
size of the printer buffer (40
= normal mode; 29 = side-
ways
mode) .
Th ese addresses are avai l-
able
for the printer buffer.
Keyboard Addresses
This address indicates that
the Break key has been
pressed (0 indicates Break
pressed).
This address contro ls
whether keyboard entries
result in normal or inverse
video ch aracter output (0 =
normal ; non- ze ro = in-
verse).
This address indicates
whether the caps or control
locks are in effect (0 = nor-
mal-- no locks; 64 = caps
lo ck; 128 = contro l l ock).
This add r ess conta ins the
value of the key wh ich was
previously pressed. If no
key was pressed, the ad-
dress will contain 255.
Executing a PEEK to this
lo cat ion returns a va lu e
which indi cates whether a
special function key has
been pressed. These values
along
with the funct i on key
indicated are listed in Table
E-2.