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-
M Z-5600
2-4 Memory map
+
16bit BUS
...
FFFFF
FCOOO
FOOOOH
E8000H
EOOOOH
D8000H
DodoOH
16bi BUS
C8000H
COOOOH
~~
®
~
®
®
AOOOOH
80000 H
®
40000 H
MA2
MAl
MAO
1
1
1
IPL ROM
(16KB)
Auxiliary ROM area
VRAM6 plane 2'
(32KB)
VRAM3 plane 2
(32KB)
VRAM6 plane l'
(32KB)
VRAM2 plane 1
(32KB)
VRAM4 plane 0'
(32KB)
VRAM1 plane 0
(32KB)
RESERVED
(128KB)
Auxiliary area
(for options)
Expansion RAM area
(266KB)
,
~~
X ACK
1
1
o
64KB
192KB
1
o
1
1
o
o
Divided into the 8086 display cycle.
o 0 0 0
1 100
1 010
Read and write attempt from 8086 Includes 1 to
7
Mits.
-------:------1-----
r ---
-1-,-
128KB
I
I
:
: Expansion
I
I
By Bank
I
I
I
:
Select
(128KB)
:
(128KB)
:
(128KB)
I
(612KB)
I
i
_______ L ____ -' _____
...1 _ ____ 1 _ _
I-
~
XACK
• XAcK ......
External Raady signal
1
XACK
128KB
1
~--
--------
---------r--------o.~
------------
16bit BUS
20000 H
Standard RAM area
(266KB)
00000 H
512KB
Protc-
tion
RAM
612B
-
-~
- - - - - - - - - - - - - - - - - - - 1 - - - - - 1
4 bit
-10-
Fig.6
,
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