arm - How to the flags from the ALU for set flags instruction(ADDS, SUBS, etc) in single cycle processor? -

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i'm doing class project when have implement single cycle processor in verilog (for arm). 1 of instruction adds (add , set flags), , made 4 bits d flipflop enable control hold value of flags alu (zero, negative, overflow, carry out), i'm not sure wire output of dflipflop. should connect mux decide write value register file, or output value? i'm confused flags.

thank you.


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