X-Hacker.org- TASM 2.x / MASM 6.x Assembly Language - <b>fdecstp decrement stack pointer exception flags: none</b>

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FDECSTP           Decrement Stack Pointer     Exception Flags: None

FDECSTP

       Logic:      TOP . TOP - 1

     FDECSTP substracts one from the stack pointer; it is not equivalent to
     pushing the stack. If the stack pointer is 0, this instruction makes
     it 7.

  --------------------------------------------------------------------------
   Operands            Clocks         Bytes           Example
   FDECSTP             6-12             3             FDECSTP
  --------------------------------------------------------------------------

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