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Memory Map - Casio TK-6500 Service Manual

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6-7. Memory map

The memory table is as follows:
RAM enable
2CS 3CS 4CS 8CS CCS A18 A19 RAM BANK
H
L
H
H
H
H
L
H
H
L
H
H
H
L
H
H
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H
L
H
H
H
L
X
X
X
X
X
X
X
H
H
L
H
H
H
X
H
H
L
H
H
H
X
H
H
L
H
H
H
X
H
H
H
L
H
L
H
H
H
H
L
H
L
H
H
H
H
H
L
H
NOTE: Flash2 and RAM4 are not used for TK-6500.
Flash BANK
No.
RB0 RB1 RB2 RB3 RB4 FB0 FB1 FB2 CS A16 CS CS2 A16 CS
L
COM X
X
X
X
X
X
L
COM X
X
X
X
X
X
L
0 L
H
L
L
X
X
1 H
H
L
L
X
X
L
L
L
H
L
X
X
H
L
H
L
X
X
L
L
H
H
L
X
X
H
H
H
L
X
X
L
2 L
L
L
H
L
X
3 H
L
L
H
L
X
4 L
H
L
H
L
X
5 H
H
L
H
L
X
6 L
L
H
H
L
X
7 H
L
H
H
L
X
8 L
H
H
H
L
X
9 H
H
H
H
L
X
10 L
L
L
H
H
X
11 H
L
L
H
H
X
12 L
H
L
H
H
X
13 H
H
L
H
H
X
14 L
L
H
H
H
X
15 H
L
H
H
H
X
16 L
H
H
H
H
X
17 H
H
H
H
H
X
X
X
X
X
X
X
X
L
H
L
L
L
X
L
H
L
L
L
X
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
H
L
H
L
L
L
H
L
L
L
L
L
L
H
H
L
L
L
L
H
L
L
L
L
H
H
H
L
L
L
H
H
L
X
L
L
L
X
L
X
L
L
L
X
H
H
X
X
X
X
X
L
X
X
X
X
X
H
H
X
X
X
X
X
X
H
X
X
X
X
X
X
RAM1
RAM2
RAM3
A16 A17 A18 CS
X
X
L
L
H
H
X
H
X
X
X
L
H
H
H
X
H
X
X
X
H
X
L
H
L
H
X
X
X
H
X
L
H
H
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
L
L
X
X
H
X
H
H
X
L
H
X
X
H
X
H
H
X
L
L
X
X
H
X
H
H
X
L
H
X
X
H
X
H
H
X
L
L
X
X
H
X
H
H
X
L
H
X
X
H
X
H
H
X
L
L
X
X
H
X
H
H
X
L
H
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
X
X
H
X
H
L
X
H
X
H
L
H
X
H
H
X
H
X
H
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
L
L
H
X
H
H
X
H
X
X
H
H
X
H
H
X
H
X
X
H
H
X
H
H
X
H
X
X
H
H
X
H
H
X
H
X
X
H
H
X
H
H
X
H
X
X
L
H
X
H
H
X
H
X
X
X
H
X
H
H
X
H
X
- 15 -
RAM4
Flash1
Flash2
A16 A17 A18 CS
A18 CS
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
L
L
H
X
X
X
H
X
H
L
L
H
X
X
X
H
X
H
H
L
H
X
X
X
H
X
H
H
L
H
X
X
X
H
X
H
L
H
H
X
X
X
H
X
H
L
H
H
X
X
X
H
X
H
H
H
H
X
X
X
H
X
H
H
H
H
X
X
X
H
X
H
X
X
L
L
L
L
H
X
H
X
X
L
H
L
L
H
X
H
X
X
L
L
H
L
H
X
H
X
X
L
H
H
L
H
X
H
X
X
L
L
L
H
H
X
H
X
X
L
H
L
H
H
X
H
X
X
L
L
H
H
H
X
H
X
X
L
H
H
H
H
X
H
X
X
X
X
X
X
X
X
X
X
X
H
X
X
X
H
X
L
X
X
H
X
X
X
H
X
L
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
H
X
H
X
X
H
X
X
X
L
A18 H
X
X
H
X
X
X
L
A18 H
Flash pack
A18 CS
A18 A19 A20
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
X
X
X
X
L
H
X
X
X
H
H
X
X
X
X
L
L
L
L
X
L
H
L
L
X
L
L
H
L
X
L
H
H
L
X
L
L
L
H
X
L
H
L
H
X
L
L
H
H
X
L
H
H
H
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
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