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lowest O
address O
of O
the O
BDOS O
was O
the O
Transient O
Program O
Area O
( O
TPA O
) O
available O
for O
CP/M B-Application
application O
programs O
. O
Although O
all O
Z80 B-General_Concept
and O
8080 B-General_Concept
processors O
could O
address O
64 O
kilobytes O
of O
memory O
, O
the O
amount O
available O
for O
application O
programs O
could O
vary O
, O
depending O
on O
the O
design O
of O
the O
particular O
computer O
. O
Bank B-General_Concept
switching I-General_Concept
was O
a O
common O
technique O
that O
allowed O
systems O
to O
have O
a O
large O
TPA O
while O
switching O
out O
ROM B-Device
or O
video O
memory O
space O
as O
needed O
. O
</s>
<s>
Many O
of O
these O
settings O
were O
honored O
in O
Windows O
9x O
( O
95 B-Application
, O
98 B-Device
and O
Me B-Device
) O
, O
although O
the O
INI B-Protocol
files I-Protocol
had O
begun O