Intel 80286 User Manual

PROGRAMMING NUMERIC APPLICATIONS
Table 2-14. Instruction Set Reference Data (Cont'd.)
FIST FIST destination
Exceptions:
I, P
Integer store
Execution Clocks
Operands
Operand Word
Code
Coding
Example
Typical Range
Transfers Bytes
word·integer
86 80-90 1
2-4
FIST OBS.COUNT[SI]
short-integer
88
82-92
2
2-4
FIST [BP;].FACTORED_PULSES
FISTP FISTP destination
Exceptions:
I, P
Integer store and pop
Execution Clocks
Operands
Operand Word
Code
Coding
Example
Typical Range
Transfers Bytes
word-integer
88
82-92 1
2-4
FISTP [BX].ALPHA_COUNT [SI]
short-integer
90 84-94 2
2-4
FISTP CORRECTED_TIME
long-integer
100 94-105 4
2-4
FISTP PANEL.N_READINGS
FISUB FISUB source
Exceptions:
1,0,0, P
Integer subtract
Execution Clocks
Operands
Operand Word Code
Coding Example
Typical Range
Transfers Bytes
word-integer
120 102-137 1 2-4 FISUB BASEJREQUENCY
short-integer
125 108-143 2
2-4
FISUB TRAIN_SIZE [01]
FISUBR FISUBR source
Exceptions:
1,0,0, P
Integer subtract reversed
Execution Clocks
Operands
Operand Word Code
Coding Example
Typical
Range
Transfers Bytes
word-integer
120 103-139 1
2-4
FISUBR FLOOR [BX] [SI]
short-integer
125
109-144
2
2-4
FISUBR BALANCE
2-29
pcjs.org

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