Question: When performing computational operations it is often useful to be able to exe - cute a sequence of operations, each one using the output of
When performing computational operations it is often useful to be able to exe
cute a sequence of operations, each one using the output of the previous step as
an input to the next step. For example to OR values X OR Y OR Z you might
first calculate X OR Y and then on the next step apply OR Z to the previous
output X OR Y
For this task adapt the circuit FALL so that it can combine a sequence of
operations defined by different values for f and f at each step, by enabling
the outputs Ft and Gt of step t to be used feedback as the inputs for the next
operation Ct and Dt for step t You should also add a further input
Load to the chip which when Load will enable you to load new inputs to
Ct and Dt and when set to sets Ct Ft and Dt Gt The Load input
will allow you to manually set the values of C and D
CHIP FALL
IN A B C D f f;
OUT E F G;
PARTS:
Implement FZero
FZeroAA BB CC DD FzF GzG;
Implement FOne
FOneAA BB CC DD FoF GoG;
Implement FTwo
FTwoAA BB CC DD FtF GtG;
Implement FThree
FThreeAA BB CC DD EthE, FthF GthG;
MuxathF btF self outiF;
MuxaoF bzF self outiF;
MuxaiF biF self outF;
MuxathG btG self outiG;
MuxaoG bzG self outiG;
MuxaiG biG self outG;
MuxathE, bfalse, self outiE;
MuxaiE bfalse, self outE;
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