Fundamentals of Digital Logic and Microcomputer Design |
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Sayfa 339
The MUX is a condition select multiplexer . It selects one of the external
conditions based on the contents of the condition select field of the
microinstruction fetched into the CWR . In Figure 7 . 45 , a 2 - bit condition select
field is required as ...
The MUX is a condition select multiplexer . It selects one of the external
conditions based on the contents of the condition select field of the
microinstruction fetched into the CWR . In Figure 7 . 45 , a 2 - bit condition select
field is required as ...
Sayfa 340
Therefore , the condition select field is 00 . The contents of the branch in this case
filled with 000 . In the control function field , two micro - operations , Co and Cı ,
are activated . Therefore , both Co and C , are set to 1 ; C2 through Co are set to ...
Therefore , the condition select field is 00 . The contents of the branch in this case
filled with 000 . In the control function field , two micro - operations , Co and Cı ,
are activated . Therefore , both Co and C , are set to 1 ; C2 through Co are set to ...
Sayfa 647
Because the compared value $ 0200 is less than $ 5000 , the carry bit is set to
indicate an out of bounds condition and the program traps to the CHK CHK2
exception vector service routine . Also , because $ 0200 is not equal to either
bound ...
Because the compared value $ 0200 is less than $ 5000 , the carry bit is set to
indicate an out of bounds condition and the program traps to the CHK CHK2
exception vector service routine . Also , because $ 0200 is not equal to either
bound ...
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NUMBER SYSTEMS AND CODES | 31 |
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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