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⟦6f8d38d18⟧ Wang Wps File
Length: 1633 (0x661)
Types: Wang Wps File
Notes: Spelunked
Names: »~ORPHAN50.01«
Derivation
└─⟦219ec82bd⟧ Bits:30006169 8" Wang WCS floppy, CR 0292A
└─ ⟦this⟧ »~ORPHAN50.01«
WangText
2869A/rt/
8:2:4 JJD/821006
MAP MODULE L
MAP Memory Mapping
Major Functions Addressing: 256 Kword
- 1M -16 Mwords
1/0 modules 64 - 992 (992 = 1024 - 32)
Controls Data-Channel
P.U.Bus Control
P.U.Timing
Interrupt Handling
Memory 0.H.1 Optimize memory use
Mapping easy access control
easy exchange of working area
(possibility of virtual memory implementation)
Implementa-
tion 0.H.2 Logical - Physical adress
Note View and translation table are n̲o̲t̲ in any
way corrolated
which tables to which view is CPU internal
affairs entirely
CPU view The two tables p̲r̲e̲s̲e̲n̲t̲l̲y̲ ̲used when addressing
data or program.
Addressing CPU: 128K (Logical) MAP
+
8
BIT
=
16M
(Physical)
1/0 6 BIT Address = 64 possible 1/0 Device
MAP: + 4 Crate No = 1024 Devices
CPU uses 32: 992 "…86…1
…02… …02… …02… …02…
2869A/rt/
8:2:4 JJD/821006
MAP MODULE L
P.U. Bus O.H.3 P3 Connector BRQ - BG
Control 9 External Devices + 1 MAP internal
cyclic, no HOGGING,
P.U. Timing Clock Generation
+
Contro
