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<HTML>
<HEAD>
<TITLE>Register Window Help</TITLE>
</HEAD>
<BODY>
<H1>The Register Window</H1>
<H2>Overview</H2>
<P>The Register Window lists all the registers and their contents for
the selected stack frame. It permits viewing the contents of registers
in different formats, editing register values, and some display
customizations.</P>
<P>The Register Window will update the register contents in the display
to match the stack frame currently being viewed in the <A HREF="source.html">
Source Window</A> and <A HREF="stack.html">Stack Winodw</A>.</P>
<P>Register Window topics:
<UL>
<LI><UL><A HREF="#menus">Register Menu</A>
<LI><A HREF="#menus_edit">Edit</A>
<LI><A HREF="#menus_fmt">Format</A>
<LI><A HREF="#menus_remove">Remove from Display</A>
<LI><A HREF="#menus_all">Display All Registers</A>
</UL>
<LI><UL><A HREF="#display">Register Display</A>
<LI><A HREF="#display_nav">Navigating the Register Display</A>
<LI><A HREF="#display_popup">Register Pop-up Menu</A>
<LI><A HREF="#display_edit">Editing a Register</A>
<LI><A HREF="#display_format">Changing the Display Format of
a Register</A>
<LI><A HREF="#display_remove">Removing a Register
from the display</A>
<LI><A HREF="#display_all">Displaying all Registers</A>
</UL>
</UL></P>
<H3><A NAME="menus">Register Menu</A></H3>
The Register Menu provides on-screen access to the functionality of the
Register Window. To use any item from this menu, first use the mouse and
select (click the left mouse button) on any register cell. Users may then
select:
<BR>
<DL>
<DT><A NAME="menus_edit"><A HREF="#display_edit">Edit</A></A>
<DD>Edit the contents of the selected register
<DT><A NAME="menus_fmt"><A HREF="#display_format">Format</A></A>
<DD>Change the display format of the selected register
<DT><A NAME="menus_remove"><A HREF="#display_remove">Remove
from Display</A></A>
<DD>Remove the selected register from the Register
Window Display
<DT><A NAME="menus_all"><A HREF="#display_all">Display All
Registers</A></A>
<DD>Display all registers in the Display. This item
is only available when a register was previously
removed from the Display.
</DL>
<H3><A NAME="display">Register Display</A></H3>
The Register Display contains name and value pairs for each register
available on the target hardware. These "cells" are layed out as a
spreadsheet for ease of use.
<P><A NAME="display_nav"></A>To navigate the Register Display, use either
the mouse and left mouse button or the arrow keys on the keyboard to
highlight the appropriate cell. Users may then use the <A HREF="#menus">
Register Menu</A> or use the Register Pop-up Menu to access special display
and editing options for the Register Window.</P>
<BR>
<H4><A NAME="display_popup">The Register Pop-up Menu</A></H4>
All of the special functions of the register window are accessed through
the Register Pop-up Menu. To use the Menu, simply select a register (see
<A HREF="#display_nav">Navigating the Register Display</A>) and click the
right mouse button. The Menu offers:
<DL>
<DT><A NAME="display_edit">Edit</A>
<DD>Edit the contents of the selected register. This item
is also accessible by simply double-clicking the left
mouse button on any register in the Display. The value
of the register is set to the entered value -- the debugger
does diffferentiate between decimal, hexadecimal, octal,
and binary input. Press the escape key on the keyboard
to cancel.
<DT><A NAME="display_format">Format</A>
<DD><DL>Change the display format of the register. Valid display types
are:
<DT>Hex
<DD>The register's contents are displayed in
hexadecimal (base 16).
<DT>Decimal
<DD>The value is shown as
a decimal number (base 10).
<DT>Natural
<DD>The register is displayed in its natural format.
<DT>Binary
<DD>The contents of the register are displayed
as a binary number (base 2).
<DT>Octal
<DD>The register's contents are shown in octal (base 8).
<DT>Raw
<DD>The raw contents of the register are shown.
</DL>
<DT><A NAME="display_remove">Remove</A>
<DD>Remove the selected register from the display. To display
the removed register again, select the "Display All Registers"
option from the Register Menu or the Register Pop-up Menu.
<DT><A NAME="display_all">Display All Registers</A>
<DD>Causes the Register Window Display to show all registers,
including those which were previously "removed". This menu
item is only available when removed registers exist.
</DL>
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