Fundamentals of Digital Logic and Microcomputer Design |
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Sayfa 340
Mohamed Rafiquzzaman. Let us now explain the binary program . Consider the
first line of the program . The tion contains no branching . Therefore , the
condition select field is 00 . The contents of the branch in this case filled with 000
.
Mohamed Rafiquzzaman. Let us now explain the binary program . Consider the
first line of the program . The tion contains no branching . Therefore , the
condition select field is 00 . The contents of the branch in this case filled with 000
.
Sayfa 718
C , 0000 No branch 0001 Branch it Z 1 0010 Branch it C - 1 0011 Branch if 13 = 1
0100 Branch it XC2 : 1 0101 Branch if XC1 = 1 0110 Branch if XCO - 1 0111
Branch it 10 = 1 1000 Unconditional branch FIGURE 11 . 18 Microprogrammed ...
C , 0000 No branch 0001 Branch it Z 1 0010 Branch it C - 1 0011 Branch if 13 = 1
0100 Branch it XC2 : 1 0101 Branch if XC1 = 1 0110 Branch if XCO - 1 0111
Branch it 10 = 1 1000 Unconditional branch FIGURE 11 . 18 Microprogrammed ...
Sayfa 762
If 25 % of the instructions are branch instructions only , 1440 25 = 2 . 5
instructions per instruction cycle can be executed . This shows how pipeline
efficiency is significantly decreased even with a small percentage of branch
instructions .
If 25 % of the instructions are branch instructions only , 1440 25 = 2 . 5
instructions per instruction cycle can be executed . This shows how pipeline
efficiency is significantly decreased even with a small percentage of branch
instructions .
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İçindekiler
NUMBER SYSTEMS AND CODES | 31 |
BOOLEAN ALGEBRA AND DIGITAL LOGIC GATES | 67 |
SEQUENTIAL LOGIC DESIGN | 171 |
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addition address register addressing modes assembly asserted Assume base basic binary bits block branch byte cache called carry chip circuit clear clock combinational complement condition connected consider contains contents converter counter cycle decoder determine device diagram digits displacement effective enable example exception execution external field Figure flags flip-flop four function gate hardware HIGH immediate implemented indicates indirect Initialize input instruction interface interrupt K-map language lines loaded logic main memory means memory microcomputer microprocessor mode MOVE multiplication Note obtained offset operand operation output Pentium perform pins placed pointer port processing processor reset result segment sequence shift shown in Figure shows signal signed specified stack starting stored transfer typical unit vector Write zero