Intel 80286 User Manual

INDEX
FENIjFNENI, 2-15, B-1
FFREE (Free Register), 2-15, 2-20, 2-27
FIADD (Integer Add), 2-5, 2-6, 2-25
FICOM (Integer Compare), 2-10, 2-25
FICOMP (Integer Compare and Pop), 2-10,
2-25
FIDIV (Integer Divide), 2-5, 2-7, 2-26
FIDIVR (Integer Divide Reversed), 2-5,
2-7,2-26
FILD (Integer Load), 2-3, 2-28
FIMUL (Integer Multiply), 2-5, 2-7, 2-28
FINCSTP (Increment Stack Pointer), 2-20,
2-28
FINIT jFNINIT (Initialize Processor),
2-16,2-28
FIST (Integer Store), 1-34, 1-35,2-2,2-3,
2-27
FISTP (Integer Store and Pop), 2-2, 2-4,
2-27
FISUB (Integer Subtract), 2-5, 2-6, 2-27
FISUBR (Integer Subtract Reversed), 2-5,
2-6,2-27
FLD (Load Real), 1-36, 2-2, 2-30
FLDI (Load One), 2-14, 2-31
FLDCW (Load Control Word), 2-16, 2-30
FLDENV (Load Environment), 2-15, 2-20,
2-30
FLDL2E (Load Log Base 2 of e), 2-14,
2-31
FLDL2T (Load Log Base 2 of 10),2-14,
2-31
FLDLG2 (Load Log Base 3 10 of 2),2-14,
2-15,2-30
FLDLN2 (Load Log Base e of 2),2-14,
2-15,2-30
FLDPI (Load PI), 2-14, 2-31
FLDZ (Load Zero), 2-14, 2-31
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r IVIUL \lVlUILlP1Y J:\.Cillj, ':'-J, ':'-1, "'-JV
FMULP (Multiply Real and Pop), 2-5, 2-7,
2-30
FNOP (No Operation), 2-15, 2-20, 2-32
FPATAN (Partial Arctangant), 1-2,2-12,
2-30
FPREM (Partial Remainder), 2-5, 2-8,
2-32,4-17
FPTAN (Partial Tangent), 2-12, 2-33,4-17
FRNDINT (Round to Integer), 1-23,2-5,
2-9, 2-35
FRSTOR (Restore State), 2-15, 2-19, 2-33,
2-39
FSA VE, FNSA VE (Save State), 2-15, 2-17,
2-33
FSCALE (Scale), 2-5, 2-7, 2-32
FSETPM (Set Protected Mode), 2-16, 2-34
FSQRT (Square Root), 1-34,2-1,2-5,2-7,
2-32
FST (Store Real), 1-35, 1-36,2-2,2-3,2-34
FSTCW jFNSTCW (Store Control Word),
2-16,2-34
FSTENV jFNSTENV (Store
Environment), 2-15, 2-19, 2-34
FSTP (Store Real and Pop), 1-35,2-3,2-35
FSTSW jFNSTSW (Store Status Word),
2-10,2-15,2-17,2-35
FSTSW AX, FNSTSW AX (Store Status
Word in AX), 2-17, 2-35
FSUB (Subtract Real), 2-5, 2-6, 2-33
FSUBP (Subtract Real and Pop), 2-5, 2-6,
2-34
FSUBR (Subtract Real Reversed), 2-5,
2-6,2-34
FSUBRP (Subtract Real Reversed and
Pop), 2-5, 2-6, 2-34
FTST (Test), 2-10, 2-11, 2-34
FWAIT (CPU Wait), 2-15, 2-20, 2-36
FXAM (Examine), 1-2, 1-23,2-10,2-11,
''-1'' LL,) ,Ll
- ..., .... , . -, .....
FXCH (Exchange Registers), 2-3, 2-37
FXTRACT (Extract Exponent and
Significand), 2-5, 2-9, 2-35
FYL2X (Logarithm-of x), 1-2,2-13,2-35
FYL2XPI (Logarithm-ofx+l), 2-13,
2-35
Index-2
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Intel 80286 Specifications

General

Processor Type	Microprocessor
Clock Speed	6 MHz to 25 MHz
Transistor Count	134, 000
Addressable Memory	16 MB
Instruction Set	x86
Architecture	x86
Data Bus Width	16-bit
Address Bus Width	24-bit
Operating Modes	Real mode, Protected mode
Process Technology	1.5 µm
Voltage	5V
Introduced	1982
Package	68-pin PGA