lostecho/oldlinux-files
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add directory study

Browse Source
This commit is contained in:
gohigh
2024-02-19 00:25:23 -05:00
parent b1306b38b1
commit f3774e2f8c
4001 changed files with 2285787 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
study/Ref-docs/manual Intel386/I386Manual/WAIT.HTM Normal file
View File

@@ -0,0 +1,40 @@
<html><!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" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/C17.HTM">Chapter 17 -- 80386 Instruction Set</a><br>
<b>prev:</b><a href="VERR.HTM" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/VERR.HTM"> VERR Verify a Segment for Reading or Writing</a><br>
<b>next:</b><a href="XCHG.HTM" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/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 Description
9B WAIT 6 min. Wait until BUSY pin is inactive (HIGH)
</pre>
<h2>Description</h2>
WAIT suspends execution of 80386 instructions until the BUSY# pin is inactive (high). The BUSY# pin is driven by the 80287 numeric processor extension.
<h2>Flags Affected</h2>
None
<h2>Protected Mode Exceptions</h2>
#NM if the task-switched flag in the machine status word (the lower 16 bits of register CR0) is set; #MF if the ERROR# input pin is asserted (i.e., the 80287 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" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/C17.HTM">Chapter 17 -- 80386 Instruction Set</a><br>
<b>prev:</b><a href="VERR.HTM" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/VERR.HTM"> VERR Verify a Segment for Reading or Writing</a><br>
<b>next:</b><a href="XCHG.HTM" tppabs="http://webster.cs.ucr.edu/Page_TechDocs/Doc386/XCHG.HTM"> XCHG Exchange Register/Memory with Register</a>
</body>