Access Memory) - Radio Shack TRS-80 26-3650 Service Manual

4.
RAM
(Random
Access
Memory)
HD61914
is 1
K
byte
RAM
and
contains self-control circuits.
The
following
shows
a
memory map
of
RAM
1
and
RAM
2 (optional
RAM
pack)
RAMI
System
Memory
User's
Area
RAM
2
000
21F
220
User's
Area
7FF
800
FFF
Note:
The
above addresses are for
when one word
is
4
bits.
_
6
-