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9-15
Chapter 9: Message transfers
9
Files 1 to 7
- Relationship between the host PC (memory module) and the file memory is as follows.
PC memory address
Virtual address space
High
word
Low word
File No. File address
(8)
Byte block Word block
1 000000 to 177777 0x0001 0x0000 to 0xFFFF 00x0000 to 0x7FFF
2 000000 to 177777 0x0002 0x0000 to 0xFFFF 00x0000 to 0x7FFF
3 000000 to 177777 0x0003 0x0000 to 0xFFFF 00x0000 to 0x7FFF
4 000000 to 177777 0x0004 0x0000 to 0xFFFF 00x0000 to 0x7FFF
5 000000 to 177777 0x0005 0x0000 to 0xFFFF 00x0000 to 0x7FFF
6 000000 to 177777 0x0006 0x0000 to 0xFFFF 00x0000 to 0x7FFF
7 000000 to 177777 0x0007 0x0000 to 0xFFFF 00x0000 to 0x7FFF
Host PC Memory module Details
JW50H --- File 0, 1 (000000 to 037777)
JW70H
JW100H
JW-1MAH File 0, 1 (000000 to 037777)
JW-2MAH File 0, 1 (000000 to 177777)
JW-3MAH File 0, 1, 2
JW-4MAH File 1 to 7