Jump MicroOpt 0000000 MAR E PC Address MicroOp2 Dest NOP O000000 DUD0001 IR + M [MAR.] 0000010 PC PC + 1 0000011 MAR - IR[11-01 NOP 0000000 NOP 0000000 2N0P 0000000 If IRL15-12] = NieraCp [4-1] If IR[15-12] = MicroCp2 (4-1) If IR[15-12)- MicroCp2(4-11 If IR(15-121 = MicreCp2 [4-1] D001000 1t IR[15 12] - MicroCp2[4-1] 0000100 00000 0100000 0000101 00010 0100.1 D000110 00100 01010:0 000111 00110 0101:00 01000 0101111 ... ... 0101010 MAR X MET AC 0000000 0101011 M[MAR < MBR 010.100 MARX 0101101 MBRN(MAR] 0101110 AC + AC - MBR NOP NOP NOP CC00000 CCD0000 CC00000 NOP CCD0000 0101111 MAR MAR NOP CO00000 FIGURE 4.23 Selected Statements in MARIE's Microprogram
Jump MicroOpt 0000000 MAR E PC Address MicroOp2 Dest NOP O000000 DUD0001 IR + M [MAR.] 0000010 PC PC + 1 0000011 MAR - IR[11-01 NOP 0000000 NOP 0000000 2N0P 0000000 If IRL15-12] = NieraCp [4-1] If IR[15-12] = MicroCp2 (4-1) If IR[15-12)- MicroCp2(4-11 If IR(15-121 = MicreCp2 [4-1] D001000 1t IR[15 12] - MicroCp2[4-1] 0000100 00000 0100000 0000101 00010 0100.1 D000110 00100 01010:0 000111 00110 0101:00 01000 0101111 ... ... 0101010 MAR X MET AC 0000000 0101011 M[MAR < MBR 010.100 MARX 0101101 MBRN(MAR] 0101110 AC + AC - MBR NOP NOP NOP CC00000 CCD0000 CC00000 NOP CCD0000 0101111 MAR MAR NOP CO00000 FIGURE 4.23 Selected Statements in MARIE's Microprogram
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Using Figure 4.23 as a guide, write the binary microcode for MARIE’s Load instruction. Assume that the microcode begins at instruction line number 0110000 .
![Jump
MicroOpt
0000000 MAR E PC
Address
MicroOp2
Dest
NOP
O000000
DUD0001 IR + M [MAR.]
0000010 PC PC + 1
0000011 MAR - IR[11-01
NOP
0000000
NOP
0000000
2N0P
0000000
If IRL15-12] =
NieraCp [4-1]
If IR[15-12] =
MicroCp2 (4-1)
If IR[15-12)-
MicroCp2(4-11
If IR(15-121 =
MicreCp2 [4-1]
D001000 1t IR[15 12] -
MicroCp2[4-1]
0000100
00000
0100000
0000101
00010
0100.1
D000110
00100
01010:0
000111
00110
0101:00
01000
0101111
...
...
0101010 MAR X
MET AC
0000000
0101011 M[MAR < MBR
010.100 MARX
0101101 MBRN(MAR]
0101110 AC + AC - MBR
NOP
NOP
NOP
CC00000
CCD0000
CC00000
NOP
CCD0000
0101111 MAR MAR
NOP
CO00000
FIGURE 4.23 Selected Statements in MARIE's
Microprogram](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcdd5825b-032b-4df0-addc-61cca69f5cc0%2Fdac2abaa-8d44-4c6f-925f-c39f7a6dc995%2F759cc1m.jpeg&w=3840&q=75)
Transcribed Image Text:Jump
MicroOpt
0000000 MAR E PC
Address
MicroOp2
Dest
NOP
O000000
DUD0001 IR + M [MAR.]
0000010 PC PC + 1
0000011 MAR - IR[11-01
NOP
0000000
NOP
0000000
2N0P
0000000
If IRL15-12] =
NieraCp [4-1]
If IR[15-12] =
MicroCp2 (4-1)
If IR[15-12)-
MicroCp2(4-11
If IR(15-121 =
MicreCp2 [4-1]
D001000 1t IR[15 12] -
MicroCp2[4-1]
0000100
00000
0100000
0000101
00010
0100.1
D000110
00100
01010:0
000111
00110
0101:00
01000
0101111
...
...
0101010 MAR X
MET AC
0000000
0101011 M[MAR < MBR
010.100 MARX
0101101 MBRN(MAR]
0101110 AC + AC - MBR
NOP
NOP
NOP
CC00000
CCD0000
CC00000
NOP
CCD0000
0101111 MAR MAR
NOP
CO00000
FIGURE 4.23 Selected Statements in MARIE's
Microprogram
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