RCA Spectra 70 - Page 16

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WRITTEN
INTO
BIT
ACCESSED
BIT
2
UTILIZ-
ATION
BIT
3
STATE
BIT
TRANSLATION MEMORY
512 BYTE LOCATIONS
16 BITS + PARITY
4
EXECUTE.
ABLE
BIT
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PAGE
CONTROL
BIT
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CONTROL
6
BBB
24-BIT EFF ECTIVE ADDRESS, OR 24-BIT
VIRTUAL ADDRESS DURING
FETCH OR EXECUTE
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BIT
SEGMENT
5 BITS
PAGE I DISPLACEMENT.
6 BITS 1 2 BITS
INTERRUPT
IF NOT
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8 9 14
PAGE
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1
DECODER
I
PAGE
ADDRESS
BIT
L
15
o 17
Figure 2. 70/46 Translation Flow
18 - BIT ACTUAL ADDRESS
OF INSTRUCTION OR
OPERAND
t/:l
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