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FLD ; 1-
FLD ; 2-
FADD ; FADD ST(1),ST
FSTP ;
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FLD NPX, , ""
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.
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ST(0).
FADDP FADDP FSTP -
FLD : (ST(1)= -
Mem-1 Mem-21 Mem-1 + Mem-2 Mem-2 SUM
ST(0) Mem-1 Mem-2 Mem-2 SUM
ST(1)勋 Mem-1 SUM 勋
ST(2) 勋勋
.10-7. NPX
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