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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><HTML><HEAD><TITLE>80386 Programmer's Reference Manual -- Opcode WAIT</TITLE></HEAD><BODY><B>up:</B> <A HREF="c17.htm">Chapter 17 -- 80386 Instruction Set</A><BR><B>prev:</B><A HREF="VERR.htm"> VERR Verify a Segment for Reading or Writing</A><BR><B>next:</B><A HREF="XCHG.htm"> XCHG Exchange Register/Memory with Register</A><P><HR><P><H1>WAIT -- Wait until BUSY# Pin is Inactive (HIGH)</H1><PRE>Opcode Instruction Clocks Description9B WAIT 6 min. Wait until BUSY pin is inactive (HIGH)</PRE><H2>Description</H2>WAIT suspends execution of 80386 instructions until the BUSY# pin isinactive (high). The BUSY# pin is driven by the 80287 numeric processorextension.<H2>Flags Affected</H2>None<H2>Protected Mode Exceptions</H2>#NM if the task-switched flag in the machine status word (the lower 16 bitsof register CR0) is set; #MF if the ERROR# input pin is asserted (i.e., the80287 has detected an unmasked numeric error)<H2>Real Address Mode Exceptions</H2>Same exceptions as in Protected Mode<H2>Virtual 8086 Mode Exceptions</H2>Same exceptions as in Protected Mode<P><HR><P><B>up:</B> <A HREF="c17.htm">Chapter 17 -- 80386 Instruction Set</A><BR><B>prev:</B><A HREF="VERR.htm"> VERR Verify a Segment for Reading or Writing</A><BR><B>next:</B><A HREF="XCHG.htm"> XCHG Exchange Register/Memory with Register</A></BODY>⌨️ 快捷键说明
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