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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Select an instruction for more information.
 
     Instruction     Description
 
     FLD             Push real onto stack
     FILD            Convert two's complement integer to real and push
     FBLD            Convert BCD to real and push to stack
     FBST            Pop stack and convert to BCD integer
     FST             Store floating-point number from stack
     FIST            Convert top of stack to integer
     FBSTP           Store BCD to integer and pop stack
     FXCH            Exchange top two stack elements
 
     FLD1            Push 1.0 onto stack
     FLDZ            Push 0.0 onto stack
     FLDPI           Push pi onto stack
     FLDL2E          Push base-2 log of e onto stack
     FLDL2T          Push base-2 log of 10 onto stack
     FLDLG2          Push base-10 log of 2 onto stack
     FLDLN2          Push natural log of 2 onto stack
                                    -♦-