MSXBlog

Esquema de memoria MSX

Esquema simple de la estructura de la memoria en los MSX, enviado por nerlaska.

+--------+--------+--------+--------+--------+--------+--------+--------+
|  slot  |    0   |    1   |    2   |   3.0  |   3.1  |   3.2  |   3.3  |
|  page  |        |        |        |        |        |        |        |
+- FFFF -+--------+--------+--------+--------+--------+--------+--------+
|        |        |        |        |        |        |        |        |
|    3   |        |        |        |        |        |   RAM  |        |
|        |        |        |        |        |        |        |        |
+- C000 -+--------+--------+--------+--------+--------+--------+--------+
|        |        |        |        |        |        |        |        |
|    2   |        |        |        |        |        |   RAM  |        |
|        |        |        |        |        |        |        |        |
+- 8000 -+--------+--------+--------+--------+--------+--------+--------+
|        |        |        |        |        |        |        |        |
|    1   |  BASIC |  DISK- |  DISK- |        | RS-232 |   RAM  |        |
|        |        |  [ A ] |  [ B ] |        |        |        |        |
+- 4000 -+--------+--------+--------+--------+--------+--------+--------+
|        |        |        |        |        |        |        |        |
|    0   |  BIOS  |        |        |        |        |   RAM  |        |
|        |        |        |        |        |        |        |        |
+- 0000 -+--------+--------+--------+--------+--------+--------+--------+

7   6   5   4   3   2   1   0
#A8     +---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
+---+   +---+   +---+   +---+
slots

FFFF    +---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
+---+   +---+   +---+   +---+
III      II      I       0
nearslots

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