Intel 80286 User Manual

PROGRAMMING NUMERIC APPLICATIONS
Table 2-14.
Instruction Set Reference Data (Cont'd.)
FFREE
FFREE destination
Exceptions: None
Free register
Execution Clocks
,
Operands
Operand Word
Code
Coding Example
Typical Range
Transfers Bytes
ST(i)
11 9-16
0
2 FFREE ST(1)
FIADD
/
FIADD source
Exceptions:
I, D, 0, P
Integer add
Execution Clocks
Operands
Operand Word
Code
Coding
Example
Typical Range
Transfers Bytes
word-integer 120
102-137' 1
2-4
FIADD DISTANCE..TRAVELLED
short-Integer 125 108-143 2 2-4
FIADD PULSE_COUNT [SI]
FICOM FICOM source
Exceptions:
I, D
Integer compare
Execution Clocks
Operands
Operand Word
Code
Coding Example
Typical
Range
Transfers
Bytes
word-integer
80
72-86 1 2-4
FICOM TOOL.N_PASSES
short-integer
85
78-91
2 2-4
FICOM [BP+4].PARM_COUNT
FICOMP
FICOMP source
Exceptions:
I, D
Integer compare and pop
Execution Clocks
Operands
Operand Word Code
Coding Example
Typical Range
Transfers Bytes
word-Integer
82
74-88 1 2-4 FICOMP [BP].LlMIT [SI]
short-integer
87 80-93 2 2-4 FICOMP N_SAMPLES
FIDIV FIDIV source
Exceptions:
I, D, Z, 0, U, P
Integer divide
Execution Clocks
Operands
Operand Word
Code
Coding Example
Typical
Range
Tranefers
Bytes
word-integer
230 224-238 1 2-4 FIDIV SURVEY.OBSERVATIONS
short-Integer
236 230-243 2 2-4 FIDIV RELATIVE..ANGLE
[01]
2-27
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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