Assembly Language Help (alang.hlp) (
Table of Contents;
Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
FST Instruction
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Title: Store
Syntax: FST dest
FSTP dest
FIST dest
FISTP dest
FBSTP dest
Description:
Stores the value in ST to the specified memory location or
register. Temporary-real values in registers are converted to the
appropriate integer, BCD, or floating-point format as they are
stored. With FSTP, FISTP, and FBSTP, the ST register value is
popped off the stack.
Memory operands can be 32-, 64-, or 80-bit real numbers for FSTP,
or 16-, 32-, or 64-bit integers for FISTP.
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