X. State the addressing mode used in previous instructions. 2. Discuss the execution of the last instructions whereas the content of R1 equal the content of R0.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Y8

Op-Code Name
000
001
010
011
100
Load R0, M
Load R1, M
ADD R1, R0
SUB RI, RO
BEQ T
Operation (RTL)
[RO] [M]
[RI]
[M]
[R1] ← [RI] + [RO]
[RI]
[R1]-[RO]
[PC]
T
And using the structure of the generic
digital processor shown in this figure,
where a microprogrammed control unit
reads the microinstructions from the
control store and uses them to interpret the
previous machine level instructions,
answer the following questions:
X. State the addressing mode used in
previous instructions.
2. Discuss the execution of the last
instructions whereas the content of R1
equal the content of R0.
Transcribed Image Text:Op-Code Name 000 001 010 011 100 Load R0, M Load R1, M ADD R1, R0 SUB RI, RO BEQ T Operation (RTL) [RO] [M] [RI] [M] [R1] ← [RI] + [RO] [RI] [R1]-[RO] [PC] T And using the structure of the generic digital processor shown in this figure, where a microprogrammed control unit reads the microinstructions from the control store and uses them to interpret the previous machine level instructions, answer the following questions: X. State the addressing mode used in previous instructions. 2. Discuss the execution of the last instructions whereas the content of R1 equal the content of R0.
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