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dwm - dynamic window manager
============================
dwm is an extremely fast, small, and dynamic window manager for X.


Requirements
------------
In order to build dwm you need the Xlib header files.


Installation
------------
Edit config.mk to match your local setup (dwm is installed into
the /usr/local namespace by default).

Afterwards enter the following command to build and install dwm (if
necessary as root):

    make clean install

If you are going to use the default bluegray color scheme it is highly
recommended to also install the bluegray files shipped in the dextra package.


Running dwm
-----------
Add the following line to your .xinitrc to start dwm using startx:

    exec dwm

In order to connect dwm to a specific display, make sure that
the DISPLAY environment variable is set correctly, e.g.:

    DISPLAY=foo.bar:1 exec dwm

(This will start dwm on display :1 of the host foo.bar.)

In order to display status info in the bar, you can do something
like this in your .xinitrc:

    while true
    do
        echo `date` `uptime | sed 's/.*,//'`
        sleep 1
    done | dwm


Configuration
-------------
The configuration of dwm is done by creating a custom config.h
and (re)compiling the source code.
ous revision' href='/akkartik/mu/blame/html/subx/021byte_addressing.cc.html?h=main&id=800320a70c981008302af56b2f35a142c1101401'>^
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<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: SubX mostly deals with instructions operating on 32-bit operands, but we</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment">//: still need to deal with raw bytes for strings and so on.</span>
<span id="L3" class="LineNr">  3 </span>
<span id="L4" class="LineNr">  4 </span><span class="Comment">//: Unfortunately the register encodings when dealing with bytes are a mess.</span>
<span id="L5" class="LineNr">  5 </span><span class="Comment">//: We need a special case for them.</span>
<span id="L6" class="LineNr">  6 </span><span class="Delimiter">:(code)</span>
<span id="L7" class="LineNr">  7 </span>string <a href='020byte_addressing.cc.html#L7'>rname_8bit</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L8" class="LineNr">  8 </span>  <span class="Normal">switch</span> <span class="Delimiter">(</span>r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L9" class="LineNr">  9 </span>  <span class="Normal">case</span> <span class="Constant">0</span>: <span class="Identifier">return</span> <span class="Constant">&quot;AL&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// lowest byte of EAX</span>
<span id="L10" class="LineNr"> 10 </span>  <span class="Normal">case</span> <span class="Constant">1</span>: <span class="Identifier">return</span> <span class="Constant">&quot;CL&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// lowest byte of ECX</span>
<span id="L11" class="LineNr"> 11 </span>  <span class="Normal">case</span> <span class="Constant">2</span>: <span class="Identifier">return</span> <span class="Constant">&quot;DL&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// lowest byte of EDX</span>
<span id="L12" class="LineNr"> 12 </span>  <span class="Normal">case</span> <span class="Constant">3</span>: <span class="Identifier">return</span> <span class="Constant">&quot;BL&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// lowest byte of EBX</span>
<span id="L13" class="LineNr"> 13 </span>  <span class="Normal">case</span> <span class="Constant">4</span>: <span class="Identifier">return</span> <span class="Constant">&quot;AH&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// second lowest byte of EAX</span>
<span id="L14" class="LineNr"> 14 </span>  <span class="Normal">case</span> <span class="Constant">5</span>: <span class="Identifier">return</span> <span class="Constant">&quot;CH&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// second lowest byte of ECX</span>
<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">case</span> <span class="Constant">6</span>: <span class="Identifier">return</span> <span class="Constant">&quot;DH&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// second lowest byte of EDX</span>
<span id="L16" class="LineNr"> 16 </span>  <span class="Normal">case</span> <span class="Constant">7</span>: <span class="Identifier">return</span> <span class="Constant">&quot;BH&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// second lowest byte of EBX</span>
<span id="L17" class="LineNr"> 17 </span>  <span class="Normal">default</span>: <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;invalid 8-bit register &quot;</span> &lt;&lt; r &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>  <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
<span id="L19" class="LineNr"> 19 </span><span class="Delimiter">}</span>
<span id="L20" class="LineNr"> 20 </span>
<span id="L21" class="LineNr"> 21 </span><span class="Normal">uint8_t</span>* <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> modrm<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L22" class="LineNr"> 22 </span>  <span class="Normal">uint8_t</span> mod = <span class="Delimiter">(</span>modrm&gt;&gt;<span class="Constant">6</span><span class="Delimiter">);</span>
<span id="L23" class="LineNr"> 23 </span>  <span class="Normal">uint8_t</span> rm = modrm &amp; <span class="Constant">0x7</span><span class="Delimiter">;</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>mod == <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L25" class="LineNr"> 25 </span>    <span class="Comment">// select an 8-bit register</span>
<span id="L26" class="LineNr"> 26 </span>    <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;r/m8 is &quot;</span> &lt;&lt; <a href='020byte_addressing.cc.html#L7'>rname_8bit</a><span class="Delimiter">(</span>rm<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L27" class="LineNr"> 27 </span>    <span class="Identifier">return</span> <a href='020byte_addressing.cc.html#L33'>reg_8bit</a><span class="Delimiter">(</span>rm<span class="Delimiter">);</span>
<span id="L28" class="LineNr"> 28 </span>  <span class="Delimiter">}</span>
<span id="L29" class="LineNr"> 29 </span>  <span class="Comment">// the rest is as usual</span>
<span id="L30" class="LineNr"> 30 </span>  <span class="Identifier">return</span> <a href='010vm.cc.html#L192'>mem_addr_u8</a><span class="Delimiter">(</span><a href='013direct_addressing.cc.html#L116'>effective_address_number</a><span class="Delimiter">(</span>modrm<span class="Delimiter">));</span>
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">}</span>
<span id="L32" class="LineNr"> 32 </span>
<span id="L33" class="LineNr"> 33 </span><span class="Normal">uint8_t</span>* <a href='020byte_addressing.cc.html#L33'>reg_8bit</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> rm<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">uint8_t</span>* result = <span class="Normal">reinterpret_cast</span>&lt;<span class="Normal">uint8_t</span>*&gt;<span class="Delimiter">(</span>&amp;Reg[rm &amp; <span class="Constant">0x3</span>]<span class="Delimiter">.</span>i<span class="Delimiter">);</span>  <span class="Comment">// _L register</span>
<span id="L35" class="LineNr"> 35 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>rm &amp; <span class="Constant">0x4</span><span class="Delimiter">)</span>
<span id="L36" class="LineNr"> 36 </span>    ++result<span class="Delimiter">;</span>  <span class="Comment">// _H register;  assumes host is little-endian</span>
<span id="L37" class="LineNr"> 37 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">}</span>
<span id="L39" class="LineNr"> 39 </span>
<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
<span id="L41" class="LineNr"> 41 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L355'>Name</a><span class="Delimiter">,</span> <span class="Constant">&quot;88&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;copy r8 to r8/m8-at-r32&quot;</span><span class="Delimiter">);</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Delimiter">:(code)</span>
<span id="L44" class="LineNr"> 44 </span><span class="Normal">void</span> <a href='020byte_addressing.cc.html#L44'>test_copy_r8_to_mem_at_rm32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L45" class="LineNr"> 45 </span>  Reg[EBX]<span class="Delimiter">.</span>i = <span class="Constant">0x224488ab</span><span class="Delimiter">;</span>
<span id="L46" class="LineNr"> 46 </span>  Reg[EAX]<span class="Delimiter">.</span>i = <span class="Constant">0x2000</span><span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L48" class="LineNr"> 48 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L49" class="LineNr"> 49 </span>      <span class="Comment">// op     ModR/M  SIB   displacement  immediate</span>
<span id="L50" class="LineNr"> 50 </span>      <span class="Constant">&quot;  88     18                                      </span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy BL to the byte at *EAX</span>
<span id="L51" class="LineNr"> 51 </span>      <span class="Comment">// ModR/M in binary: 00 (indirect mode) 011 (src BL) 000 (dest EAX)</span>
<span id="L52" class="LineNr"> 52 </span>      <span class="Constant">&quot;== data 0x2000</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L53" class="LineNr"> 53 </span>      <span class="Constant">&quot;f0 cc bb aa</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L54" class="LineNr"> 54 </span>  <span class="Delimiter">);</span>
<span id="L55" class="LineNr"> 55 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L56" class="LineNr"> 56 </span>      <span class="Constant">&quot;run: copy BL to r8/m8-at-r32</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L57" class="LineNr"> 57 </span>      <span class="Constant">&quot;run: effective address is 0x00002000 (<a href='010vm.cc.html#L10'>EAX</a>)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L58" class="LineNr"> 58 </span>      <span class="Constant">&quot;run: storing 0xab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L59" class="LineNr"> 59 </span>  <span class="Delimiter">);</span>
<span id="L60" class="LineNr"> 60 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0xaabbccab</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L181'>read_mem_u32</a><span class="Delimiter">(</span><span class="Constant">0x2000</span><span class="Delimiter">));</span>
<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">}</span>
<span id="L62" class="LineNr"> 62 </span>
<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">:(before &quot;End Single-Byte Opcodes&quot;)</span>
<span id="L64" class="LineNr"> 64 </span><span class="Normal">case</span> <span class="Constant">0x88</span>: <span class="Delimiter">{</span>  <span class="Comment">// copy r8 to r/m8</span>
<span id="L65" class="LineNr"> 65 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> rsrc = <span class="Delimiter">(</span>modrm&gt;&gt;<span class="Constant">3</span><span class="Delimiter">)</span>&amp;<span class="Constant">0x7</span><span class="Delimiter">;</span>
<span id="L67" class="LineNr"> 67 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;copy &quot;</span> &lt;&lt; <a href='020byte_addressing.cc.html#L7'>rname_8bit</a><span class="Delimiter">(</span>rsrc<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; to r8/m8-at-r32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L68" class="LineNr"> 68 </span>  <span class="Comment">// use unsigned to zero-extend 8-bit value to 32 bits</span>
<span id="L69" class="LineNr"> 69 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span>* src = <a href='020byte_addressing.cc.html#L33'>reg_8bit</a><span class="Delimiter">(</span>rsrc<span class="Delimiter">);</span>
<span id="L71" class="LineNr"> 71 </span>  *dest = *src<span class="Delimiter">;</span>  <span class="Comment">// Read/write multiple elements of vector&lt;uint8_t&gt; at once. Assumes sizeof(int) == 4 on the host as well.</span>
<span id="L72" class="LineNr"> 72 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L407'>HEXBYTE</a> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L73" class="LineNr"> 73 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L74" class="LineNr"> 74 </span><span class="Delimiter">}</span>
<span id="L75" class="LineNr"> 75 </span>
<span id="L76" class="LineNr"> 76 </span><span class="Comment">//:</span>
<span id="L77" class="LineNr"> 77 </span>
<span id="L78" class="LineNr"> 78 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
<span id="L79" class="LineNr"> 79 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L355'>Name</a><span class="Delimiter">,</span> <span class="Constant">&quot;8a&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;copy r8/m8-at-r32 to r8&quot;</span><span class="Delimiter">);</span>
<span id="L80" class="LineNr"> 80 </span>
<span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(code)</span>
<span id="L82" class="LineNr"> 82 </span><span class="Normal">void</span> <a href='020byte_addressing.cc.html#L82'>test_copy_mem_at_rm32_to_r8</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L83" class="LineNr"> 83 </span>  Reg[EBX]<span class="Delimiter">.</span>i = <span class="Constant">0xaabbcc0f</span><span class="Delimiter">;</span>  <span class="Comment">// one nibble each of lowest byte set to all 0s and all 1s, to maximize value of this test</span>
<span id="L84" class="LineNr"> 84 </span>  Reg[EAX]<span class="Delimiter">.</span>i = <span class="Constant">0x2000</span><span class="Delimiter">;</span>
<span id="L85" class="LineNr"> 85 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L86" class="LineNr"> 86 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L87" class="LineNr"> 87 </span>      <span class="Comment">// op     ModR/M  SIB   displacement  immediate</span>
<span id="L88" class="LineNr"> 88 </span>      <span class="Constant">&quot;  8a     18                                      </span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy just the byte at *EAX to BL</span>
<span id="L89" class="LineNr"> 89 </span>      <span class="Comment">// ModR/M in binary: 00 (indirect mode) 011 (dest EBX) 000 (src EAX)</span>
<span id="L90" class="LineNr"> 90 </span>      <span class="Constant">&quot;== data 0x2000</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L91" class="LineNr"> 91 </span>      <span class="Constant">&quot;ab ff ff ff</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// 0xab with more data in following bytes</span>
<span id="L92" class="LineNr"> 92 </span>  <span class="Delimiter">);</span>
<span id="L93" class="LineNr"> 93 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L94" class="LineNr"> 94 </span>      <span class="Constant">&quot;run: copy r8/m8-at-r32 to BL</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L95" class="LineNr"> 95 </span>      <span class="Constant">&quot;run: effective address is 0x00002000 (<a href='010vm.cc.html#L10'>EAX</a>)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L96" class="LineNr"> 96 </span>      <span class="Constant">&quot;run: storing 0xab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L97" class="LineNr"> 97 </span>      <span class="Comment">// remaining bytes of EBX are *not* cleared</span>
<span id="L98" class="LineNr"> 98 </span>      <span class="Constant">&quot;run: <a href='010vm.cc.html#L13'>EBX</a> now contains 0xaabbccab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L99" class="LineNr"> 99 </span>  <span class="Delimiter">);</span>
<span id="L100" class="LineNr">100 </span><span class="Delimiter">}</span>
<span id="L101" class="LineNr">101 </span>
<span id="L102" class="LineNr">102 </span><span class="Delimiter">:(before &quot;End Single-Byte Opcodes&quot;)</span>
<span id="L103" class="LineNr">103 </span><span class="Normal">case</span> <span class="Constant">0x8a</span>: <span class="Delimiter">{</span>  <span class="Comment">// copy r/m8 to r8</span>
<span id="L104" class="LineNr">104 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L105" class="LineNr">105 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> rdest = <span class="Delimiter">(</span>modrm&gt;&gt;<span class="Constant">3</span><span class="Delimiter">)</span>&amp;<span class="Constant">0x7</span><span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;copy r8/m8-at-r32 to &quot;</span> &lt;&lt; <a href='020byte_addressing.cc.html#L7'>rname_8bit</a><span class="Delimiter">(</span>rdest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L107" class="LineNr">107 </span>  <span class="Comment">// use unsigned to zero-extend 8-bit value to 32 bits</span>
<span id="L108" class="LineNr">108 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span>* src = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L109" class="LineNr">109 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L33'>reg_8bit</a><span class="Delimiter">(</span>rdest<span class="Delimiter">);</span>
<span id="L110" class="LineNr">110 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L407'>HEXBYTE</a> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*src<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L111" class="LineNr">111 </span>  *dest = *src<span class="Delimiter">;</span>  <span class="Comment">// Read/write multiple elements of vector&lt;uint8_t&gt; at once. Assumes sizeof(int) == 4 on the host as well.</span>
<span id="L112" class="LineNr">112 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> rdest_32bit = rdest &amp; <span class="Constant">0x3</span><span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <a href='013direct_addressing.cc.html#L136'>rname</a><span class="Delimiter">(</span>rdest_32bit<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; now contains 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L408'>HEXWORD</a> &lt;&lt; Reg[rdest_32bit]<span class="Delimiter">.</span>u &lt;&lt; end<span class="Delimiter">();</span>
<span id="L114" class="LineNr">114 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L115" class="LineNr">115 </span><span class="Delimiter">}</span>
<span id="L116" class="LineNr">116 </span>
<span id="L117" class="LineNr">117 </span><span class="Delimiter">:(code)</span>
<span id="L118" class="LineNr">118 </span><span class="Normal">void</span> <a href='020byte_addressing.cc.html#L118'>test_cannot_copy_byte_to_ESP_EBP_ESI_EDI</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span>  Reg[ESI]<span class="Delimiter">.</span>u = <span class="Constant">0xaabbccdd</span><span class="Delimiter">;</span>
<span id="L120" class="LineNr">120 </span>  Reg[EBX]<span class="Delimiter">.</span>u = <span class="Constant">0x11223344</span><span class="Delimiter">;</span>
<span id="L121" class="LineNr">121 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L122" class="LineNr">122 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L123" class="LineNr">123 </span>      <span class="Comment">// op     ModR/M  SIB   displacement  immediate</span>
<span id="L124" class="LineNr">124 </span>      <span class="Constant">&quot;  8a     f3                                      </span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy just the byte at *EBX to 8-bit register '6'</span>
<span id="L125" class="LineNr">125 </span>      <span class="Comment">// ModR/M in binary: 11 (direct mode) 110 (dest 8-bit 'register 6') 011 (src EBX)</span>
<span id="L126" class="LineNr">126 </span>  <span class="Delimiter">);</span>
<span id="L127" class="LineNr">127 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L128" class="LineNr">128 </span>      <span class="Comment">// ensure 8-bit register '6' is DH, not ESI</span>
<span id="L129" class="LineNr">129 </span>      <span class="Constant">&quot;run: copy r8/m8-at-r32 to DH</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L130" class="LineNr">130 </span>      <span class="Constant">&quot;run: storing 0x44</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L131" class="LineNr">131 </span>  <span class="Delimiter">);</span>
<span id="L132" class="LineNr">132 </span>  <span class="Comment">// ensure ESI is unchanged</span>
<span id="L133" class="LineNr">133 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>Reg[ESI]<span class="Delimiter">.</span>u<span class="Delimiter">,</span> <span class="Constant">0xaabbccdd</span><span class="Delimiter">);</span>
<span id="L134" class="LineNr">134 </span><span class="Delimiter">}</span>
<span id="L135" class="LineNr">135 </span>
<span id="L136" class="LineNr">136 </span><span class="Comment">//:</span>
<span id="L137" class="LineNr">137 </span>
<span id="L138" class="LineNr">138 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
<span id="L139" class="LineNr">139 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L355'>Name</a><span class="Delimiter">,</span> <span class="Constant">&quot;c6&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;copy imm8 to r8/m8-at-r32 with subop 0 (mov)&quot;</span><span class="Delimiter">);</span>
<span id="L140" class="LineNr">140 </span>
<span id="L141" class="LineNr">141 </span><span class="Delimiter">:(code)</span>
<span id="L142" class="LineNr">142 </span><span class="Normal">void</span> <a href='020byte_addressing.cc.html#L142'>test_copy_imm8_to_mem_at_rm32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L143" class="LineNr">143 </span>  Reg[EAX]<span class="Delimiter">.</span>i = <span class="Constant">0x2000</span><span class="Delimiter">;</span>
<span id="L144" class="LineNr">144 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L145" class="LineNr">145 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L146" class="LineNr">146 </span>      <span class="Comment">// op     ModR/M  SIB   displacement  immediate</span>
<span id="L147" class="LineNr">147 </span>      <span class="Constant">&quot;  c6     00                          dd          </span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy to the byte at *EAX</span>
<span id="L148" class="LineNr">148 </span>      <span class="Comment">// ModR/M in binary: 00 (indirect mode) 000 (unused) 000 (dest EAX)</span>
<span id="L149" class="LineNr">149 </span>      <span class="Constant">&quot;== data 0x2000</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L150" class="LineNr">150 </span>      <span class="Constant">&quot;f0 cc bb aa</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">);</span>
<span id="L152" class="LineNr">152 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L153" class="LineNr">153 </span>      <span class="Constant">&quot;run: copy imm8 to r8/m8-at-r32</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L154" class="LineNr">154 </span>      <span class="Constant">&quot;run: effective address is 0x00002000 (<a href='010vm.cc.html#L10'>EAX</a>)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L155" class="LineNr">155 </span>      <span class="Constant">&quot;run: storing 0xdd</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L156" class="LineNr">156 </span>  <span class="Delimiter">);</span>
<span id="L157" class="LineNr">157 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0xaabbccdd</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L181'>read_mem_u32</a><span class="Delimiter">(</span><span class="Constant">0x2000</span><span class="Delimiter">));</span>
<span id="L158" class="LineNr">158 </span><span class="Delimiter">}</span>
<span id="L159" class="LineNr">159 </span>
<span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Single-Byte Opcodes&quot;)</span>
<span id="L161" class="LineNr">161 </span><span class="Normal">case</span> <span class="Constant">0xc6</span>: <span class="Delimiter">{</span>  <span class="Comment">// copy imm8 to r/m8</span>
<span id="L162" class="LineNr">162 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L163" class="LineNr">163 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> src = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L164" class="LineNr">164 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;copy imm8 to r8/m8-at-r32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L165" class="LineNr">165 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;imm8 is 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L407'>HEXBYTE</a> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>src<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L166" class="LineNr">166 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> subop = <span class="Delimiter">(</span>modrm&gt;&gt;<span class="Constant">3</span><span class="Delimiter">)</span>&amp;<span class="Constant">0x7</span><span class="Delimiter">;</span>  <span class="Comment">// middle 3 'reg opcode' bits</span>
<span id="L167" class="LineNr">167 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>subop != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L168" class="LineNr">168 </span>    cerr &lt;&lt; <span class="Constant">&quot;unrecognized subop for opcode c6: &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>subop<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; (only 0/copy currently implemented)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span>    exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L170" class="LineNr">170 </span>  <span class="Delimiter">}</span>
<span id="L171" class="LineNr">171 </span>  <span class="Comment">// use unsigned to zero-extend 8-bit value to 32 bits</span>
<span id="L172" class="LineNr">172 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L173" class="LineNr">173 </span>  *dest = src<span class="Delimiter">;</span>  <span class="Comment">// Write multiple elements of vector&lt;uint8_t&gt; at once. Assumes sizeof(int) == 4 on the host as well.</span>
<span id="L174" class="LineNr">174 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L407'>HEXBYTE</a> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L175" class="LineNr">175 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L176" class="LineNr">176 </span><span class="Delimiter">}</span>
<span id="L177" class="LineNr">177 </span>
<span id="L178" class="LineNr">178 </span><span class="Comment">//:: set flags (setcc)</span>
<span id="L179" class="LineNr">179 </span>
<span id="L180" class="LineNr">180 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
<span id="L181" class="LineNr">181 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;94&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if equal, if <a href='010vm.cc.html#L89'>ZF</a> is set, 0 otherwise (setcc/setz/sete)&quot;</span><span class="Delimiter">);</span>
<span id="L182" class="LineNr">182 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;95&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if not equal, if <a href='010vm.cc.html#L89'>ZF</a> is not set, 0 otherwise (setcc/setnz/setne)&quot;</span><span class="Delimiter">);</span>
<span id="L183" class="LineNr">183 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;9f&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if greater, if <a href='010vm.cc.html#L89'>ZF</a> is unset and SF == <a href='010vm.cc.html#L91'>OF</a>, 0 otherwise (setcc/setg/setnle)&quot;</span><span class="Delimiter">);</span>
<span id="L184" class="LineNr">184 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;97&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if greater (addr, float), if <a href='010vm.cc.html#L89'>ZF</a> is unset and <a href='010vm.cc.html#L90'>CF</a> is unset, 0 otherwise (setcc/seta/setnbe)&quot;</span><span class="Delimiter">);</span>
<span id="L185" class="LineNr">185 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;9d&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if greater or equal, if SF == <a href='010vm.cc.html#L91'>OF</a>, 0 otherwise (setcc/setge/setnl)&quot;</span><span class="Delimiter">);</span>
<span id="L186" class="LineNr">186 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;93&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if greater or equal (addr, float), if <a href='010vm.cc.html#L90'>CF</a> is unset, 0 otherwise (setcc/setae/setnb)&quot;</span><span class="Delimiter">);</span>
<span id="L187" class="LineNr">187 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;9c&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if lesser, if SF != <a href='010vm.cc.html#L91'>OF</a>, 0 otherwise (setcc/setl/setnge)&quot;</span><span class="Delimiter">);</span>
<span id="L188" class="LineNr">188 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;92&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if lesser (addr, float), if <a href='010vm.cc.html#L90'>CF</a> is set, 0 otherwise (setcc/setb/setnae)&quot;</span><span class="Delimiter">);</span>
<span id="L189" class="LineNr">189 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;9e&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if lesser or equal, if <a href='010vm.cc.html#L89'>ZF</a> is set or SF != <a href='010vm.cc.html#L91'>OF</a>, 0 otherwise (setcc/setle/setng)&quot;</span><span class="Delimiter">);</span>
<span id="L190" class="LineNr">190 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L356'>Name_0f</a><span class="Delimiter">,</span> <span class="Constant">&quot;96&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;set r8/m8-at-rm32 to 1 if lesser or equal (addr, float), if <a href='010vm.cc.html#L89'>ZF</a> is set or <a href='010vm.cc.html#L90'>CF</a> is set, 0 otherwise (setcc/setbe/setna)&quot;</span><span class="Delimiter">);</span>
<span id="L191" class="LineNr">191 </span>
<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(before &quot;End Two-Byte Opcodes Starting With 0f&quot;)</span>
<span id="L193" class="LineNr">193 </span><span class="Normal">case</span> <span class="Constant">0x94</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if ZF</span>
<span id="L194" class="LineNr">194 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L195" class="LineNr">195 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L196" class="LineNr">196 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L197" class="LineNr">197 </span>  *dest = <a href='010vm.cc.html#L89'>ZF</a><span class="Delimiter">;</span>
<span id="L198" class="LineNr">198 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L199" class="LineNr">199 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L200" class="LineNr">200 </span><span class="Delimiter">}</span>
<span id="L201" class="LineNr">201 </span><span class="Normal">case</span> <span class="Constant">0x95</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if !ZF</span>
<span id="L202" class="LineNr">202 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L203" class="LineNr">203 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L204" class="LineNr">204 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L205" class="LineNr">205 </span>  *dest = !ZF<span class="Delimiter">;</span>
<span id="L206" class="LineNr">206 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L207" class="LineNr">207 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L208" class="LineNr">208 </span><span class="Delimiter">}</span>
<span id="L209" class="LineNr">209 </span><span class="Normal">case</span> <span class="Constant">0x9f</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if !SF and !ZF</span>
<span id="L210" class="LineNr">210 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L211" class="LineNr">211 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L212" class="LineNr">212 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L213" class="LineNr">213 </span>  *dest = !ZF &amp;&amp; SF == <a href='010vm.cc.html#L91'>OF</a><span class="Delimiter">;</span>
<span id="L214" class="LineNr">214 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L215" class="LineNr">215 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
<span id="L217" class="LineNr">217 </span><span class="Normal">case</span> <span class="Constant">0x97</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if !CF and !ZF</span>
<span id="L218" class="LineNr">218 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L219" class="LineNr">219 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L220" class="LineNr">220 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L221" class="LineNr">221 </span>  *dest = <span class="Delimiter">(</span>!CF &amp;&amp; !ZF<span class="Delimiter">);</span>
<span id="L222" class="LineNr">222 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L223" class="LineNr">223 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L224" class="LineNr">224 </span><span class="Delimiter">}</span>
<span id="L225" class="LineNr">225 </span><span class="Normal">case</span> <span class="Constant">0x9d</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if !SF</span>
<span id="L226" class="LineNr">226 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L227" class="LineNr">227 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L228" class="LineNr">228 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L229" class="LineNr">229 </span>  *dest = <span class="Delimiter">(</span>SF == <a href='010vm.cc.html#L91'>OF</a><span class="Delimiter">);</span>
<span id="L230" class="LineNr">230 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L231" class="LineNr">231 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span>
<span id="L233" class="LineNr">233 </span><span class="Normal">case</span> <span class="Constant">0x93</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if !CF</span>
<span id="L234" class="LineNr">234 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L235" class="LineNr">235 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L236" class="LineNr">236 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L237" class="LineNr">237 </span>  *dest = !CF<span class="Delimiter">;</span>
<span id="L238" class="LineNr">238 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L239" class="LineNr">239 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
<span id="L241" class="LineNr">241 </span><span class="Normal">case</span> <span class="Constant">0x9c</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if SF and !ZF</span>
<span id="L242" class="LineNr">242 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L243" class="LineNr">243 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L244" class="LineNr">244 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L245" class="LineNr">245 </span>  *dest = <span class="Delimiter">(</span>SF != <a href='010vm.cc.html#L91'>OF</a><span class="Delimiter">);</span>
<span id="L246" class="LineNr">246 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L247" class="LineNr">247 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L248" class="LineNr">248 </span><span class="Delimiter">}</span>
<span id="L249" class="LineNr">249 </span><span class="Normal">case</span> <span class="Constant">0x92</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if CF</span>
<span id="L250" class="LineNr">250 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L251" class="LineNr">251 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L252" class="LineNr">252 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L253" class="LineNr">253 </span>  *dest = <a href='010vm.cc.html#L90'>CF</a><span class="Delimiter">;</span>
<span id="L254" class="LineNr">254 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L255" class="LineNr">255 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L256" class="LineNr">256 </span><span class="Delimiter">}</span>
<span id="L257" class="LineNr">257 </span><span class="Normal">case</span> <span class="Constant">0x9e</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if SF or ZF</span>
<span id="L258" class="LineNr">258 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L259" class="LineNr">259 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L260" class="LineNr">260 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L261" class="LineNr">261 </span>  *dest = <span class="Delimiter">(</span><a href='010vm.cc.html#L89'>ZF</a> || SF != <a href='010vm.cc.html#L91'>OF</a><span class="Delimiter">);</span>
<span id="L262" class="LineNr">262 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L263" class="LineNr">263 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L264" class="LineNr">264 </span><span class="Delimiter">}</span>
<span id="L265" class="LineNr">265 </span><span class="Normal">case</span> <span class="Constant">0x96</span>: <span class="Delimiter">{</span>  <span class="Comment">// set r8/m8-at-rm32 if ZF or CF</span>
<span id="L266" class="LineNr">266 </span>  <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010vm.cc.html#L338'>next</a><span class="Delimiter">();</span>
<span id="L267" class="LineNr">267 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;set r8/m8-at-rm32&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L268" class="LineNr">268 </span>  <span class="Normal">uint8_t</span>* dest = <a href='020byte_addressing.cc.html#L21'>effective_byte_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
<span id="L269" class="LineNr">269 </span>  *dest = <span class="Delimiter">(</span><a href='010vm.cc.html#L89'>ZF</a> || <a href='010vm.cc.html#L90'>CF</a><span class="Delimiter">);</span>
<span id="L270" class="LineNr">270 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span>*dest<span class="Delimiter">)</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L271" class="LineNr">271 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span>
</pre>
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