Sharp MZ-700 - Page 130

4.2.6 Memory map when V-RAM is accessed
i) V-RAM (Video RAM) memory map
$0 0 00
CHARACTER
V-RAM
(2 Pages,
50
Lines)
$ 0 800
COL OR DATA
V-RAM
$E O OO
KEY and T IMER PORT
ii) Correspondence between V-RAM address
and location
on the screen.
The MZ -700 has a 2K byte V-RAM area,
but only lK byte of that area can be dis-
played
on the screen at one time. The area
displayed can be changed by scrolling
the screen.
a) Area displayed immediately after reset
(or power-on):
iDOOC)l <------- A ddress
~ - - ByteNo .
2 3
3 9
4 0
-
DOOO:i<
0001
0002 ·
0026 0027
1
2 3
39 40
0028 0029 00 2A
41 42
43
004E 004F
79
80
2
-
25
0
Line
Qcolu mn
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