Hi Manuel:
>> > Memory Mapper is part of the MSX2 standard.
MB>
MB> Ofcourse not, Laurens. Sony HB-G900P and Philips VG-8230 is really
I think you are right. Let's see the Technical Handbook (by ASCII):
>------------8<-----------8<------------8<-----------8<----------<
MSX2 TECHNICAL HANDBOOK
-----------------------
Edited by: ASCII Systems Division
Published by: ASCII Coprporation - JAPAN
First edition: March 1987
Text files typed by: Nestor Soriano (Konami Man) - SPAIN
March 1997
[....]
[....]
[....]
------------
| CPU Z80A |
------------
|
| ----- -------------------------------
+--| |--| ROM 48K (MSX-BASIC ver 2.0) |
| | | -------------------------------
| | S | ----------------
| | |--| MAIN RAM 64K |
| | L | ----------------
| | | ::::::::::::::::: :::::::::::::::::
| | O |::: MEMORY MAPPER :::: RAM 64K to 4M :
| | | ::::::::::::::::: :::::::::::::::::
| | T | :::::::::::::
| | |::: CARTRIDGE : I/O Cartridge (Disk, RS-232C)
| | | ::::::::::::: RAM Cartridge
| ----- ROM Cartridge (Game, Application)
| Slot Expansion Box, Etc.
|
| ----------------- --- Joystick Input
+--| PSG AY-3 8910 |---|
| ----------------- --- Audio Output
|
| :::::::::::::::::::::::: ::::::::::::::::::::::::::::::::
|::: MSX-AUDIO (FM sound) :::: Audio Memory Maximum of 256K :
| :::::::::::::::::::::::: ::::::::::::::::::::::::::::::::
|
| ----------------------
+--| CASSETTE INTERFACE |::::: Cassette
| ----------------------
|
| ---------------------
+--| PRINTER INTERFACE |:::::: Printer
| ---------------------
|
| ---------------------------------
+--| BATTERY BACKUP RAM + CLOCK IC |
| ---------------------------------
|
| ------------- ------------
+--| PPI 8255A |--------+-----| Keyboard |
| ------------- | ------------
| | ---------------
| +-----| Slot Holder |
| ---------------
-------------
| MSX-VIDEO |----------------------- RGB/Video/RF Output
-------------
|
| ------------:::::::::::::::::::::::::::
+--| VRAM 64K | VRAM 64K : Expansion RAM :
| ------------:::::::::::::::::::::::::::
|
| ::::::::::::::::
|--: SUMPERIMPOSE :--------+--- Video Input
| :::::::::::::::: |
| |
| :::::::::::: |
+--: DIGITISE :------------+
::::::::::::
Note: The dotted lines represent optional features.
[.....]
>------------8<-----------8<------------8<-----------8<----------<
Salidos, digo ... Saludos.
JAMcn ([EMAIL PROTECTED])
Apdo. Correos 3294 18080 Granada
... F33180F3CD6F00CD69003E00210018010003CD56002100C01101C00100203600EDB0219AFD
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