1 Feb
2008
1 Feb
'08
8:05 a.m.
On Fri, 1 Feb 2008, Allison wrote:
Done right it was portable. However I encounterd at least one system
where the BIOS calls were unusuable for 8bit serial because every
transaction in or out was masked with 07Fh..
Which is consistent with the manual:
"All simple character I/O operations are assumed to be performed in
ASCII, upper- and lower-case, with high-order (parity bit) set to zero."
(from the section 6 of the CP/M 2.2 manual)
--
roger ivie
rivie at ridgenet.net