Intel 80286 User Manual

PROGRAMMING NUMERIC APPLICATIONS
Table 2-14. Instruction
Set Reference Data (Cont'd.)
FIDIVR FIDIVR source
Exceptions:
I, D, Z, 0, U, P
Integer divide reversed
Execution Clocks
Operands
Operand Word Code
Coding Example
Typical
Range
Transfers Bytes
word-integer
230 225-239 1 2-4 FIDIVR [BPj.)LCOORD
short-integer
237 231-245 2
2-4
FIDIVR FREQUENCY
FILD FILD source
Exceptions: I
Integer load
Execution Clocks
OPE7rands
Operand Word Code
Coding Example
Typical Range
Transfers Bytes
word-integer
50
46-54 1
2-4
FILD [BXj.SEQUENCE
short-integer
56
52-60 2 2-4
FILD STANDOFF [DI]
long-integer
64
60-68 4 2-4
FILD RESPONSE.COUNT
FIMUL FIMUL source
Exceptions:
I, D, 0, P
Integer multiply
Execution Clocks
Operands
Operand Word
Code
Coding
Example
Typical Range
Transfers
Bytes
word-integer
130
124-138 1
2-4
FIMUL BEARING
short-integer
136
130-144 2 2-4
FIMUL POSITION.Z..AXIS
FINCSTP FINCSTP (no operands)
Exceptions: None
Increment stack pointer
Execution Clocks
Operands
Operand Word
Code
Coding
Example
Typical Range
Transfers Bytes
(no operands)
9
6-12
0 2
FINCSTP
.......... .. IIT
.. II ... 11:"1Ilt.IIT Inn.
r"'1I11 I .........
• II"' •• I •• ,. ..... \'. __ .... _. _ •• __ ,
ExCeptions:
i'liofle
Initialize processor
Execution Clocks
Operands
Operand Word Code
Coding Example
Typical Range
Transfers
Bytes
(no operands)
5 2-8 0 2
FINIT
2-28
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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