Operation
Case (relation of operands) OF
Not comparable: C3, C2, C0 111;
ST > SRC: C3, C2, C0 000;
ST < SRC: C3, C2, C0 001;
ST = SRC: C3, C2, C0 100;
If instruction = FCOMP THEN pop ST; Fl;
If instruction = FCOMPP THEN pop ST; pop ST; Fl;
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