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Status Register
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In the next step, the status flags should only be updated when a clock signal
transitions from zero to one (rising edge). To achieve this, add an input named
"clock" to your "Status Flags" module and use D flip-flops to store the values
of ZF, CF, SF, and OF.

You can test the module with a circuit like this:

---- IMAGE (width=600) -----------
session04/s04_3.png
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