Onbekend, 00-00-00
Q T16
-----------------------------------------------------------------------
Memory personal computer YAMAHA YIS503IIR
00 01 02 83 87 8B 8F
Slot: 0 1 2 3
Ext. slot: 0 1 2 3
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|FFFF:| 3 | | | | | | | | | | RAM | |
|C000:| | | | | | | | | | | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|BFFF:| 2 | | | | | | | | | | RAM | |
|8000:| | | | | | | | | | | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|7FFF:| 1 | | ROM | |Cartr| |Cartr| | | RS | RAM | |
|4000:| | |Basic| | A | | B | | | ROM | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|3FFF:| 0 | | ROM | | | | | | | | RAM | |
|0000:| | |BIOS | | | | | | | | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
-----------------------------------------------------------------------
Memory personal computer YAMAHA YIS503IIIR
00 01 02 83 87 8B 8F
Slot: 0 1 2 3
Ext. slot: 0 1 2 3
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|FFFF:| 3 | | | | | | | | | | RAM | |
|C000:| | | | | | | | | | | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|BFFF:| 2 | | | | | | | |CP/M | | RAM | NET |
|8000:| | | | | | | | | ROM | | | ROM |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|7FFF:| 1 | | ROM | |Cartr| |Cartr| |CP/M | | RAM | NET |
|4000:| | |Basic| | A | | B | | ROM | | | ROM |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|3FFF:| 0 | | ROM | | | | | | |Ext. | RAM | |
|0000:| | |BIOS | | | | | | |MSX 2| | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
-----------------------------------------------------------------------
Memory personal computer YAMAHA YIS805/128 R2
00 01 02 83 87 8B 8F
Slot: 0 1 2 3
Ext. slot: 0 1 2 3
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|FFFF:| 3 | | | | | | | |Paint| | RAM | |
|C000:| | | | | | | | | er | | | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|BFFF:| 2 | | | | | | | |Paint| | RAM | NET |
|8000:| | | | | | | | | er | | | ROM |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|7FFF:| 1 | | ROM | |Cartr| |Cartr| |Paint| ROM | RAM | NET |
|4000:| | |Basic| | A | | B | | er |BDOS | | ROM |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
|3FFF:| 0 | | ROM | | | | | |Paint|Ext. | RAM | |
|0000:| | |BIOS | | | | | | er |MSX 2| | |
+-----+-----+ +-----+ +-----+ +-----+ +-----+-----+-----+-----+
-----------------------------------------------------------------------
SLOT 0-3
Prymary slot: Data ----> port (A8h)
Data for port A8h:
Bits: 7 6 5 4 3 2 1 0
+-+-+-+-+-+-+-+-+
Data: |D D|C C|B B|A A|
+-+-+-+-+-+-+-+-+
| | | +------ Page 0
| | +---------- Page 1
| +-------------- Page 2
+------------------ Page 3
-----------------------------------------------------------------------
SLOT 3
Secondary slot: Data ----> (FFFFh)
Data for FFFFh:
Bits: 7 6 5 4 3 2 1 0
+-+-+-+-+-+-+-+-+
Data: |D D|C C|B B|A A|
+-+-+-+-+-+-+-+-+
| | | +------ Page 0
| | +---------- Page 1
| +-------------- Page 2
+------------------ Page 3
-----------------------------------------------------------------------
RAM MSX2:
+---+ Data for page 0,1,2,3: (ports FCh,FDh,FEh,FFh)
00:|16K|
+---+ +-+-+-+-+-+-+-+-+
01:|16K| |1|1|1|1|1|x x x|
+---+ +-+-+-+-+-+-+-+-+
02:|16K|
+---+
03:|16K|
+---+ xxx - number RAM (0-7) for MSX2
04:|16K|
+---+
05:|16K|
+---+
06:|16K|
+---+
07:|16K|
+---+
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