Intel 80286 Fist OBS.COUNTSI, Fist BP.FACTOREDPULSES, Fistp BX.ALPHACOUNT SI, Fistp Correctedtime

FIST

Operands

word·integer short-integer

FISTP

Operands

word-integer short-integer long-integer

FISUB

Operands

word-integer short-integer

FISUBR

Operands

word-integer short-integer

PROGRAMMING NUMERIC APPLICATIONS

Table 2-14. Instruction Set Reference Data (Cont'd.)

FIST destination			Exceptions: I, P
Integer store
Execution Clocks		Operand Word	Code
				Coding Example
Typical	Range	Transfers	Bytes
86	80-90	1	2-4	FIST OBS.COUNT[SI]
88	82-92	2	2-4	FIST [BP;].FACTORED_PULSES
FISTP destination			Exceptions: I, P
Integer store and pop
Execution Clocks		Operand Word	Code
				Coding Example
Typical	Range	Transfers	Bytes
88	82-92	1	2-4	FISTP [BX].ALPHA_COUNT [SI]
90	84-94	2	2-4	FISTP CORRECTED_TIME
100	94-105	4	2-4	FISTP PANEL.N_READINGS
FISUB source			Exceptions: 1,0,0, P
Integer subtract
Execution Clocks		Operand Word	Code
				Coding Example
Typical	Range	Transfers	Bytes
120	102-137	1	2-4	FISUB BASEJREQUENCY
125	108-143	2	2-4	FISUB TRAIN_SIZE [01]
FISUBR source			Exceptions: 1,0,0, P
Integer subtract reversed
Execution Clocks		Operand Word	Code
				Coding Example
Typical	Range	Transfers	Bytes
120	103-139	1	2-4	FISUBR FLOOR [BX] [SI]
125	109-144	2	2-4	FISUBR BALANCE

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