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RCA Spectra 70 Training Manual page 58

System

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Reference manual (260 pages)

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The Flow Chart (below) indicates both hardware and programming logic for basic I/O.

,-

-

-

-

-

-

-

-

-

- - - -

-

-

-

-

-

-

I

I

Yes

STATICIZE

I/O

INSTRUCTION

No

BRANCH ON

CONDITION CODE

1 or 2

CC

=

0

INSTR UCTION

ACCEPTED

FOR EXECUTION

52

I

I + - - -

Hardware

I

I

CC

=

1 or 2

BRANCH ON

2

CONDo CODE

11

DEVICE IS

INTERRUPT

INOPERABLE

PENDING

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Related Products for RCA Spectra 70

This manual is also suitable for:

Spectra 70/25