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1698 lines
62 KiB
HTML
1698 lines
62 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8"/>
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<style>
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table.head, table.foot { width: 100%; }
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td.head-rtitle, td.foot-os { text-align: right; }
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td.head-vol { text-align: center; }
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div.Pp { margin: 1ex 0ex; }
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</style>
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<link rel="stylesheet" href="manual.css" type="text/css" media="all"/>
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<title>GBZ80(7)</title>
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</head>
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<body>
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<table class="head">
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<tr>
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<td class="head-ltitle">GBZ80(7)</td>
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<td class="head-vol">Miscellaneous Information Manual</td>
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<td class="head-rtitle">GBZ80(7)</td>
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</tr>
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</table>
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<div class="manual-text">
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<h1 class="Sh" title="Sh" id="NAME"><a class="selflink" href="#NAME">NAME</a></h1>
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<b class="Nm" title="Nm">gbz80</b> — <span class="Nd" title="Nd">CPU
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opcode reference</span>
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<h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="selflink" href="#DESCRIPTION">DESCRIPTION</a></h1>
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This is the list of opcodes supported by <a class="Xr" title="Xr">rgbasm(1)</a>,
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including a short description, the number of bytes needed to encode them and
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the number of CPU cycles at 1MHz (or 2MHz in GBC dual speed mode) needed to
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complete them.
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<div class="Pp"></div>
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Note: All arithmetic/logic operations that use register
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<b class="Sy" title="Sy">A</b> as destination can omit the destination as it
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is assumed it's register <b class="Sy" title="Sy">A</b>. The following two
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lines have the same effect:
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<div class="Pp"></div>
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<div class="D1"><code class="Li">OR A,B</code></div>
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<div class="D1"><code class="Li">OR B</code></div>
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<h1 class="Sh" title="Sh" id="LEGEND"><a class="selflink" href="#LEGEND">LEGEND</a></h1>
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List of abbreviations used in this document.
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<dl class="Bl-tag">
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">r8</var></dt>
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<dd class="It-tag">Any of the 8-bit registers (<b class="Sy" title="Sy">A</b>,
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<b class="Sy" title="Sy">B</b>, <b class="Sy" title="Sy">C</b>,
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<b class="Sy" title="Sy">D</b>, <b class="Sy" title="Sy">E</b>,
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<b class="Sy" title="Sy">H</b>, <b class="Sy" title="Sy">L</b>).</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">r16</var></dt>
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<dd class="It-tag">Any of the general-purpose 16-bit registers
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(<b class="Sy" title="Sy">BC</b>, <b class="Sy" title="Sy">DE</b>,
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<b class="Sy" title="Sy">HL</b>).</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">n8</var></dt>
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<dd class="It-tag">8-bit integer constant.</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">n16</var></dt>
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<dd class="It-tag">16-bit integer constant.</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">e8</var></dt>
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<dd class="It-tag">8-bit offset
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(<b class="Fl" title="Fl">-</b><b class="Sy" title="Sy">128</b> to
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<b class="Sy" title="Sy">127</b>).</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">u3</var></dt>
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<dd class="It-tag">3-bit unsigned integer constant
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(<b class="Sy" title="Sy">0</b> to <b class="Sy" title="Sy">7</b>).</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">cc</var></dt>
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<dd class="It-tag">Condition codes:
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<dl class="Bl-tag Bl-compact">
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<dt class="It-tag"><b class="Sy" title="Sy">Z</b>:</dt>
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<dd class="It-tag">Execute if Z is set.</dd>
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<dt class="It-tag"><b class="Sy" title="Sy">NZ</b>:</dt>
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<dd class="It-tag">Execute if Z is not set.</dd>
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<dt class="It-tag"><b class="Sy" title="Sy">C</b>:</dt>
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<dd class="It-tag">Execute if C is set.</dd>
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<dt class="It-tag"><b class="Sy" title="Sy">NC</b>:</dt>
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<dd class="It-tag">Execute if C is not set.</dd>
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</dl>
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</dd>
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<dt class="It-tag"> </dt>
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<dd class="It-tag"> </dd>
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<dt class="It-tag"><var class="Ar" title="Ar">vec</var></dt>
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<dd class="It-tag">One of the <var class="Ar" title="Ar">RST</var> vectors
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(<b class="Sy" title="Sy">0x00</b>, <b class="Sy" title="Sy">0x08</b>,
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<b class="Sy" title="Sy">0x10</b>, <b class="Sy" title="Sy">0x18</b>,
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<b class="Sy" title="Sy">0x20</b>, <b class="Sy" title="Sy">0x28</b>,
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<b class="Sy" title="Sy">0x30</b> and
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<b class="Sy" title="Sy">0x38</b>).</dd>
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</dl>
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<h1 class="Sh" title="Sh" id="INSTRUCTION_OVERVIEW"><a class="selflink" href="#INSTRUCTION_OVERVIEW">INSTRUCTION
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OVERVIEW</a></h1>
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<h2 class="Ss" title="Ss" id="8-bit_Arithmetic_and_Logic_Instructions"><a class="selflink" href="#8-bit_Arithmetic_and_Logic_Instructions">8-bit
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Arithmetic and Logic Instructions</a></h2>
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<dl class="Bl-inset Bl-compact">
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADC_A,r8">ADC
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADC_A,[HL]">ADC
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADC_A,n8">ADC
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_A,r8">ADD
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_A,[HL]">ADD
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_A,n8">ADD
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#AND_A,r8">AND
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#AND_A,[HL]">AND
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#AND_A,n8">AND
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#CP_A,r8">CP A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#CP_A,[HL]">CP
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#CP_A,n8">CP A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#DEC_r8">DEC r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#DEC_[HL]">DEC
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#INC_r8">INC r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#INC_[HL]">INC
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#OR_A,r8">OR A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#OR_A,[HL]">OR
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#OR_A,n8">OR A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SBC_A,r8">SBC
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SBC_A,[HL]">SBC
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SBC_A,n8">SBC
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SUB_A,r8">SUB
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SUB_A,[HL]">SUB
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SUB_A,n8">SUB
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#XOR_A,r8">XOR
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A,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#XOR_A,[HL]">XOR
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A,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#XOR_A,n8">XOR
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A,n8</a></dt>
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<dd class="It-inset"></dd>
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</dl>
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<h2 class="Ss" title="Ss" id="16-bit_Arithmetic_Instructions"><a class="selflink" href="#16-bit_Arithmetic_Instructions">16-bit
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Arithmetic Instructions</a></h2>
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<dl class="Bl-inset Bl-compact">
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<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_HL,r16">ADD
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HL,r16</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#DEC_r16">DEC r16</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#INC_r16">INC r16</a></dt>
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<dd class="It-inset"></dd>
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</dl>
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<h2 class="Ss" title="Ss" id="Bit_Operations_Instructions"><a class="selflink" href="#Bit_Operations_Instructions">Bit
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Operations Instructions</a></h2>
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<dl class="Bl-inset Bl-compact">
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<dt class="It-inset"><a class="Sx" title="Sx" href="#BIT_u3,r8">BIT
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u3,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#BIT_u3,[HL]">BIT
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u3,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RES_u3,r8">RES
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u3,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RES_u3,[HL]">RES
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u3,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SET_u3,r8">SET
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u3,r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SET_u3,[HL]">SET
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u3,[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SWAP_r8">SWAP r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SWAP_[HL]">SWAP
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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</dl>
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<h2 class="Ss" title="Ss" id="Bit_Shift_Instructions"><a class="selflink" href="#Bit_Shift_Instructions">Bit
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Shift Instructions</a></h2>
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<dl class="Bl-inset Bl-compact">
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RL_r8">RL r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RL_[HL]">RL [HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RLA">RLA</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RLC_r8">RLC r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RLC_[HL]">RLC
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RLCA">RLCA</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RR_r8">RR r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RR_[HL]">RR [HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RRA">RRA</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RRC_r8">RRC r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RRC_[HL]">RRC
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#RRCA">RRCA</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SLA_r8">SLA r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SLA_[HL]">SLA
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SRA_r8">SRA r8</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SRA_[HL]">SRA
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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<dt class="It-inset"><a class="Sx" title="Sx" href="#SRL_r8">SRL r8</a></dt>
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<dd class="It-inset"></dd>
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|
<dt class="It-inset"><a class="Sx" title="Sx" href="#SRL_[HL]">SRL
|
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[HL]</a></dt>
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<dd class="It-inset"></dd>
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</dl>
|
|
<h2 class="Ss" title="Ss" id="Load_Instructions"><a class="selflink" href="#Load_Instructions">Load
|
|
Instructions</a></h2>
|
|
<dl class="Bl-inset Bl-compact">
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_r8,r8">LD
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|
r8,r8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_r8,n8">LD
|
|
r8,n8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_r16,n16">LD
|
|
r16,n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[HL],r8">LD
|
|
[HL],r8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[HL],n8">LD
|
|
[HL],n8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_r8,[HL]">LD
|
|
r8,[HL]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[r16],A">LD
|
|
[r16],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[n16],A">LD
|
|
[n16],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[$FF00+n8],A">LD
|
|
[$FF00+n8],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[$FF00+C],A">LD
|
|
[$FF00+C],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[r16]">LD
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|
A,[r16]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[n16]">LD
|
|
A,[n16]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[$FF00+n8]">LD
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|
A,[$FF00+n8]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[$FF00+C]">LD
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|
A,[$FF00+C]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[HL+],A">LD
|
|
[HL+],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[HL-],A">LD
|
|
[HL-],A</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[HL+]">LD
|
|
A,[HL+]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[HL-]">LD
|
|
A,[HL-]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
</dl>
|
|
<h2 class="Ss" title="Ss" id="Jumps_and_Subroutines"><a class="selflink" href="#Jumps_and_Subroutines">Jumps
|
|
and Subroutines</a></h2>
|
|
<dl class="Bl-inset Bl-compact">
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#CALL_n16">CALL
|
|
n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#CALL_cc,n16">CALL
|
|
cc,n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#JP_HL">JP HL</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#JP_n16">JP n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#JP_cc,n16">JP
|
|
cc,n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#JR_e8">JR e8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#JR_cc,e8">JR
|
|
cc,e8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#RET_cc">RET cc</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#RET">RET</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#RETI">RETI</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#RST_vec">RST vec</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
</dl>
|
|
<h2 class="Ss" title="Ss" id="Stack_Operations_Instructions"><a class="selflink" href="#Stack_Operations_Instructions">Stack
|
|
Operations Instructions</a></h2>
|
|
<dl class="Bl-inset Bl-compact">
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_HL,SP">ADD
|
|
HL,SP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#ADD_SP,e8">ADD
|
|
SP,e8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#DEC_SP">DEC SP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#INC_SP">INC SP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_SP,n16">LD
|
|
SP,n16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_[n16],SP">LD
|
|
[n16],SP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_HL,SP+e8">LD
|
|
HL,SP+e8</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_SP,HL">LD
|
|
SP,HL</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#POP_AF">POP AF</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#POP_r16">POP r16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#PUSH_AF">PUSH AF</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#PUSH_r16">PUSH
|
|
r16</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
</dl>
|
|
<h2 class="Ss" title="Ss" id="Miscellaneous_Instructions"><a class="selflink" href="#Miscellaneous_Instructions">Miscellaneous
|
|
Instructions</a></h2>
|
|
<dl class="Bl-inset Bl-compact">
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#CCF">CCF</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#CPL">CPL</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#DAA">DAA</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#DI">DI</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#EI">EI</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#HALT">HALT</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#NOP">NOP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#SCF">SCF</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#STOP">STOP</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
</dl>
|
|
<h1 class="Sh" title="Sh" id="INSTRUCTION_REFERENCE"><a class="selflink" href="#INSTRUCTION_REFERENCE">INSTRUCTION
|
|
REFERENCE</a></h1>
|
|
<h2 class="Ss" title="Ss" id="ADC_A,r8"><a class="selflink" href="#ADC_A,r8">ADC
|
|
A,r8</a></h2>
|
|
Add the value in <var class="Ar" title="Ar">r8</var> plus the carry flag to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
3.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if overflow from bit
|
|
7.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="ADC_A,[HL]"><a class="selflink" href="#ADC_A,[HL]">ADC
|
|
A,[HL]</a></h2>
|
|
Add the value pointed by <b class="Sy" title="Sy">HL</b> plus the carry flag to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#ADC_A,r8">ADC A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="ADC_A,n8"><a class="selflink" href="#ADC_A,n8">ADC
|
|
A,n8</a></h2>
|
|
Add the value <var class="Ar" title="Ar">n8</var> plus the carry flag to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#ADC_A,r8">ADC A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="ADD_A,r8"><a class="selflink" href="#ADD_A,r8">ADD
|
|
A,r8</a></h2>
|
|
Add the value in <var class="Ar" title="Ar">r8</var> to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
3.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if overflow from bit
|
|
7.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="ADD_A,[HL]"><a class="selflink" href="#ADD_A,[HL]">ADD
|
|
A,[HL]</a></h2>
|
|
Add the value pointed by <b class="Sy" title="Sy">HL</b> to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#ADD_A,r8">ADD A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="ADD_A,n8"><a class="selflink" href="#ADD_A,n8">ADD
|
|
A,n8</a></h2>
|
|
Add the value <var class="Ar" title="Ar">n8</var> to
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#ADD_A,r8">ADD A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="ADD_HL,r16"><a class="selflink" href="#ADD_HL,r16">ADD
|
|
HL,r16</a></h2>
|
|
Add the value in <var class="Ar" title="Ar">r16</var> to
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
11.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if overflow from bit
|
|
15.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="ADD_HL,SP"><a class="selflink" href="#ADD_HL,SP">ADD
|
|
HL,SP</a></h2>
|
|
Add the value in <b class="Sy" title="Sy">SP</b> to
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#ADD_HL,r16">ADD HL,r16</a>
|
|
<h2 class="Ss" title="Ss" id="ADD_SP,e8"><a class="selflink" href="#ADD_SP,e8">ADD
|
|
SP,e8</a></h2>
|
|
Add the signed value <var class="Ar" title="Ar">e8</var> to
|
|
<b class="Sy" title="Sy">SP</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
3.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if overflow from bit
|
|
7.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="AND_A,r8"><a class="selflink" href="#AND_A,r8">AND
|
|
A,r8</a></h2>
|
|
Bitwise AND between the value in <var class="Ar" title="Ar">r8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: 0</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="AND_A,[HL]"><a class="selflink" href="#AND_A,[HL]">AND
|
|
A,[HL]</a></h2>
|
|
Bitwise AND between the value pointed by <b class="Sy" title="Sy">HL</b> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#AND_A,r8">AND A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="AND_A,n8"><a class="selflink" href="#AND_A,n8">AND
|
|
A,n8</a></h2>
|
|
Bitwise AND between the value in <var class="Ar" title="Ar">n8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#AND_A,r8">AND A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="BIT_u3,r8"><a class="selflink" href="#BIT_u3,r8">BIT
|
|
u3,r8</a></h2>
|
|
Test bit <var class="Ar" title="Ar">u3</var> in register
|
|
<var class="Ar" title="Ar">r8</var>, set the zero flag if bit not set.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if the selected bit
|
|
is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 1</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="BIT_u3,[HL]"><a class="selflink" href="#BIT_u3,[HL]">BIT
|
|
u3,[HL]</a></h2>
|
|
Test bit <var class="Ar" title="Ar">u3</var> in the byte pointed by
|
|
<b class="Sy" title="Sy">HL</b>, set the zero flag if bit not set.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#BIT_u3,r8">BIT u3,r8</a>
|
|
<h2 class="Ss" title="Ss" id="CALL_n16"><a class="selflink" href="#CALL_n16">CALL
|
|
n16</a></h2>
|
|
Call address <var class="Ar" title="Ar">n16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 6
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="CALL_cc,n16"><a class="selflink" href="#CALL_cc,n16">CALL
|
|
cc,n16</a></h2>
|
|
Call address <var class="Ar" title="Ar">n16</var> if condition
|
|
<var class="Ar" title="Ar">cc</var> is met.
|
|
<div class="Pp"></div>
|
|
Cycles: 6/3
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="CCF"><a class="selflink" href="#CCF">CCF</a></h2>
|
|
Complement Carry Flag.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Complemented.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="CP_A,r8"><a class="selflink" href="#CP_A,r8">CP
|
|
A,r8</a></h2>
|
|
Subtract the value in <var class="Ar" title="Ar">r8</var> from
|
|
<b class="Sy" title="Sy">A</b> and set flags accordingly, but don't store the
|
|
result.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if no borrow from
|
|
bit 4.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if no borrow (set if
|
|
<var class="Ar" title="Ar">r8</var> >
|
|
<b class="Sy" title="Sy">A</b>).</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="CP_A,[HL]"><a class="selflink" href="#CP_A,[HL]">CP
|
|
A,[HL]</a></h2>
|
|
Subtract the value pointed by <b class="Sy" title="Sy">HL</b> from
|
|
<b class="Sy" title="Sy">A</b> and set flags accordingly, but don't store the
|
|
result.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#CP_A,r8">CP A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="CP_A,n8"><a class="selflink" href="#CP_A,n8">CP
|
|
A,n8</a></h2>
|
|
Subtract the value <var class="Ar" title="Ar">n8</var> from
|
|
<b class="Sy" title="Sy">A</b> and set flags accordingly, but don't store the
|
|
result.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#CP_A,r8">CP A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="CPL"><a class="selflink" href="#CPL">CPL</a></h2>
|
|
Complement accumulator (<b class="Sy" title="Sy">A</b> =
|
|
<b class="Sy" title="Sy">~A</b>).
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 1</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="DAA"><a class="selflink" href="#DAA">DAA</a></h2>
|
|
Decimal adjust register A to get a correct BCD representation after an
|
|
arithmetic instruction.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set or reset depending
|
|
on the operation.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="DEC_r8"><a class="selflink" href="#DEC_r8">DEC
|
|
r8</a></h2>
|
|
Decrement value in register <var class="Ar" title="Ar">r8</var> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if no borrow from
|
|
bit 4.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="DEC_[HL]"><a class="selflink" href="#DEC_[HL]">DEC
|
|
[HL]</a></h2>
|
|
Decrement the value pointed by <b class="Sy" title="Sy">HL</b> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#DEC_r8">DEC r8</a>
|
|
<h2 class="Ss" title="Ss" id="DEC_r16"><a class="selflink" href="#DEC_r16">DEC
|
|
r16</a></h2>
|
|
Decrement value in register <var class="Ar" title="Ar">r16</var> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="DEC_SP"><a class="selflink" href="#DEC_SP">DEC
|
|
SP</a></h2>
|
|
Decrement value in register <b class="Sy" title="Sy">SP</b> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="DI"><a class="selflink" href="#DI">DI</a></h2>
|
|
Disable Interrupts.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="EI"><a class="selflink" href="#EI">EI</a></h2>
|
|
Enable Interrupts.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="HALT"><a class="selflink" href="#HALT">HALT</a></h2>
|
|
Enter CPU low power mode.
|
|
<div class="Pp"></div>
|
|
Cycles: -
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="INC_r8"><a class="selflink" href="#INC_r8">INC
|
|
r8</a></h2>
|
|
Increment value in register <var class="Ar" title="Ar">r8</var> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
3.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="INC_[HL]"><a class="selflink" href="#INC_[HL]">INC
|
|
[HL]</a></h2>
|
|
Increment the value pointed by <b class="Sy" title="Sy">HL</b> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#INC_r8">INC r8</a>
|
|
<h2 class="Ss" title="Ss" id="INC_r16"><a class="selflink" href="#INC_r16">INC
|
|
r16</a></h2>
|
|
Increment value in register <var class="Ar" title="Ar">r16</var> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="INC_SP"><a class="selflink" href="#INC_SP">INC
|
|
SP</a></h2>
|
|
Increment value in register <b class="Sy" title="Sy">SP</b> by 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="JP_n16"><a class="selflink" href="#JP_n16">JP
|
|
n16</a></h2>
|
|
Absolute jump to address <var class="Ar" title="Ar">n16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="JP_cc,n16"><a class="selflink" href="#JP_cc,n16">JP
|
|
cc,n16</a></h2>
|
|
Absolute jump to address <var class="Ar" title="Ar">n16</var> if condition
|
|
<var class="Ar" title="Ar">cc</var> is met.
|
|
<div class="Pp"></div>
|
|
Cycles: 4/3
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="JP_HL"><a class="selflink" href="#JP_HL">JP
|
|
HL</a></h2>
|
|
Jump to address in <b class="Sy" title="Sy">HL</b>, that is, load
|
|
<b class="Sy" title="Sy">PC</b> with value in register
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="JR_e8"><a class="selflink" href="#JR_e8">JR
|
|
e8</a></h2>
|
|
Relative jump by adding <var class="Ar" title="Ar">e8</var> to the current
|
|
address.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="JR_cc,e8"><a class="selflink" href="#JR_cc,e8">JR
|
|
cc,e8</a></h2>
|
|
Relative jump by adding <var class="Ar" title="Ar">e8</var> to the current
|
|
address if condition <var class="Ar" title="Ar">cc</var> is met.
|
|
<div class="Pp"></div>
|
|
Cycles: 3/2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_r8,r8"><a class="selflink" href="#LD_r8,r8">LD
|
|
r8,r8</a></h2>
|
|
Store value in register on the right into register on the left.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_r8,n8"><a class="selflink" href="#LD_r8,n8">LD
|
|
r8,n8</a></h2>
|
|
Load value <var class="Ar" title="Ar">n8</var> into register
|
|
<var class="Ar" title="Ar">r8</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_r16,n16"><a class="selflink" href="#LD_r16,n16">LD
|
|
r16,n16</a></h2>
|
|
Load value <var class="Ar" title="Ar">n16</var> into register
|
|
<var class="Ar" title="Ar">r16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[HL],r8"><a class="selflink" href="#LD_[HL],r8">LD
|
|
[HL],r8</a></h2>
|
|
Store value in register <var class="Ar" title="Ar">r8</var> into byte pointed by
|
|
register <b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[HL],n8"><a class="selflink" href="#LD_[HL],n8">LD
|
|
[HL],n8</a></h2>
|
|
Store value <var class="Ar" title="Ar">n8</var> into byte pointed by register
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_r8,[HL]"><a class="selflink" href="#LD_r8,[HL]">LD
|
|
r8,[HL]</a></h2>
|
|
Load value into register <var class="Ar" title="Ar">r8</var> from byte pointed
|
|
by register <b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[r16],A"><a class="selflink" href="#LD_[r16],A">LD
|
|
[r16],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into address pointed by
|
|
register <var class="Ar" title="Ar">r16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[n16],A"><a class="selflink" href="#LD_[n16],A">LD
|
|
[n16],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into address
|
|
<var class="Ar" title="Ar">n16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[$FF00+n8],A"><a class="selflink" href="#LD_[$FF00+n8],A">LD
|
|
[$FF00+n8],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into high RAM or I/O
|
|
registers.
|
|
<div class="Pp"></div>
|
|
The following synonym forces this encoding: <b class="Sy" title="Sy">LDH
|
|
[$FF00+n8],A</b>
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[$FF00+C],A"><a class="selflink" href="#LD_[$FF00+C],A">LD
|
|
[$FF00+C],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into high RAM or I/O
|
|
registers.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[r16]"><a class="selflink" href="#LD_A,[r16]">LD
|
|
A,[r16]</a></h2>
|
|
Load value in register <b class="Sy" title="Sy">A</b> from address pointed by
|
|
register <var class="Ar" title="Ar">r16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[n16]"><a class="selflink" href="#LD_A,[n16]">LD
|
|
A,[n16]</a></h2>
|
|
Load value in register <b class="Sy" title="Sy">A</b> from address
|
|
<var class="Ar" title="Ar">n16</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[$FF00+n8]"><a class="selflink" href="#LD_A,[$FF00+n8]">LD
|
|
A,[$FF00+n8]</a></h2>
|
|
Load value in register <b class="Sy" title="Sy">A</b> from high RAM or I/O
|
|
registers.
|
|
<div class="Pp"></div>
|
|
The following synonym forces this encoding: <b class="Sy" title="Sy">LDH
|
|
A,[$FF00+n8]</b>
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[$FF00+C]"><a class="selflink" href="#LD_A,[$FF00+C]">LD
|
|
A,[$FF00+C]</a></h2>
|
|
Load value in register <b class="Sy" title="Sy">A</b> from high RAM or I/O
|
|
registers.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[HL+],A"><a class="selflink" href="#LD_[HL+],A">LD
|
|
[HL+],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> and post-increment
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[HL-],A"><a class="selflink" href="#LD_[HL-],A">LD
|
|
[HL-],A</a></h2>
|
|
Store value in register <b class="Sy" title="Sy">A</b> into byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> and post-decrement
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[HL+]"><a class="selflink" href="#LD_A,[HL+]">LD
|
|
A,[HL+]</a></h2>
|
|
Load value into register <b class="Sy" title="Sy">A</b> from byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> and post-increment
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_A,[HL-]"><a class="selflink" href="#LD_A,[HL-]">LD
|
|
A,[HL-]</a></h2>
|
|
Load value into register <b class="Sy" title="Sy">A</b> from byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> and post-decrement
|
|
<b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_SP,n16"><a class="selflink" href="#LD_SP,n16">LD
|
|
SP,n16</a></h2>
|
|
Load value <var class="Ar" title="Ar">n16</var> into register
|
|
<b class="Sy" title="Sy">SP</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_[n16],SP"><a class="selflink" href="#LD_[n16],SP">LD
|
|
[n16],SP</a></h2>
|
|
Store <b class="Sy" title="Sy">SP</b> into addresses
|
|
<var class="Ar" title="Ar">n16</var> (LSB) and
|
|
<var class="Ar" title="Ar">n16</var> + 1 (MSB).
|
|
<div class="Pp"></div>
|
|
Cycles: 5
|
|
<div class="Pp"></div>
|
|
Bytes: 3
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="LD_HL,SP+e8"><a class="selflink" href="#LD_HL,SP+e8">LD
|
|
HL,SP+e8</a></h2>
|
|
Add the signed value <var class="Ar" title="Ar">e8</var> to
|
|
<b class="Sy" title="Sy">SP</b> and store the result in
|
|
<b class="Sy" title="Sy">HL.</b>
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if overflow from bit
|
|
3.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if overflow from bit
|
|
7.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="LD_SP,HL"><a class="selflink" href="#LD_SP,HL">LD
|
|
SP,HL</a></h2>
|
|
Load register <b class="Sy" title="Sy">HL</b> into register
|
|
<b class="Sy" title="Sy">SP</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="NOP"><a class="selflink" href="#NOP">NOP</a></h2>
|
|
No operation.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="OR_A,r8"><a class="selflink" href="#OR_A,r8">OR
|
|
A,r8</a></h2>
|
|
Bitwise OR between the value in <var class="Ar" title="Ar">r8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: 0</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="OR_A,[HL]"><a class="selflink" href="#OR_A,[HL]">OR
|
|
A,[HL]</a></h2>
|
|
Bitwise OR between the value pointed by <b class="Sy" title="Sy">HL</b> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#OR_A,r8">OR A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="OR_A,n8"><a class="selflink" href="#OR_A,n8">OR
|
|
A,n8</a></h2>
|
|
Bitwise OR between the value in <var class="Ar" title="Ar">n8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#OR_A,r8">OR A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="POP_AF"><a class="selflink" href="#POP_AF">POP
|
|
AF</a></h2>
|
|
Pop register <b class="Sy" title="Sy">AF</b> from the stack.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="POP_r16"><a class="selflink" href="#POP_r16">POP
|
|
r16</a></h2>
|
|
Pop register <var class="Ar" title="Ar">r16</var> from the stack.
|
|
<div class="Pp"></div>
|
|
Cycles: 3
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="PUSH_AF"><a class="selflink" href="#PUSH_AF">PUSH
|
|
AF</a></h2>
|
|
Push register <b class="Sy" title="Sy">AF</b> into the stack.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="PUSH_r16"><a class="selflink" href="#PUSH_r16">PUSH
|
|
r16</a></h2>
|
|
Push register <var class="Ar" title="Ar">r16</var> into the stack.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RES_u3,r8"><a class="selflink" href="#RES_u3,r8">RES
|
|
u3,r8</a></h2>
|
|
Set bit <var class="Ar" title="Ar">u3</var> in register
|
|
<var class="Ar" title="Ar">r8</var> to 0.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RES_u3,[HL]"><a class="selflink" href="#RES_u3,[HL]">RES
|
|
u3,[HL]</a></h2>
|
|
Set bit <var class="Ar" title="Ar">u3</var> in the byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> to 0.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RET"><a class="selflink" href="#RET">RET</a></h2>
|
|
Return from subroutine.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RET_cc"><a class="selflink" href="#RET_cc">RET
|
|
cc</a></h2>
|
|
Return from subroutine if condition <var class="Ar" title="Ar">cc</var> is met.
|
|
<div class="Pp"></div>
|
|
Cycles: 5/2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RETI"><a class="selflink" href="#RETI">RETI</a></h2>
|
|
Return from subroutine and enable interrupts.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="RL_r8"><a class="selflink" href="#RL_r8">RL
|
|
r8</a></h2>
|
|
Rotate register <var class="Ar" title="Ar">r8</var> left through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RL_[HL]"><a class="selflink" href="#RL_[HL]">RL
|
|
[HL]</a></h2>
|
|
Rotate value pointed by <b class="Sy" title="Sy">HL</b> left through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#RL_r8">RL r8</a>
|
|
<h2 class="Ss" title="Ss" id="RLA"><a class="selflink" href="#RLA">RLA</a></h2>
|
|
Rotate register <b class="Sy" title="Sy">A</b> left through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RLC_r8"><a class="selflink" href="#RLC_r8">RLC
|
|
r8</a></h2>
|
|
Rotate register <var class="Ar" title="Ar">r8</var> left.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- [7]</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RLC_[HL]"><a class="selflink" href="#RLC_[HL]">RLC
|
|
[HL]</a></h2>
|
|
Rotate value pointed by <b class="Sy" title="Sy">HL</b> left.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- [7]</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#RLC_r8">RLC r8</a>
|
|
<h2 class="Ss" title="Ss" id="RLCA"><a class="selflink" href="#RLCA">RLCA</a></h2>
|
|
Rotate register <b class="Sy" title="Sy">A</b> left.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- [7]</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RR_r8"><a class="selflink" href="#RR_r8">RR
|
|
r8</a></h2>
|
|
Rotate register <var class="Ar" title="Ar">r8</var> right through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RR_[HL]"><a class="selflink" href="#RR_[HL]">RR
|
|
[HL]</a></h2>
|
|
Rotate value pointed by <b class="Sy" title="Sy">HL</b> right through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#RR_r8">RR r8</a>
|
|
<h2 class="Ss" title="Ss" id="RRA"><a class="selflink" href="#RRA">RRA</a></h2>
|
|
Rotate register <b class="Sy" title="Sy">A</b> right through carry.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RRC_r8"><a class="selflink" href="#RRC_r8">RRC
|
|
r8</a></h2>
|
|
Rotate register <var class="Ar" title="Ar">r8</var> right.
|
|
<div class="Pp"></div>
|
|
<div class="D1">[0] -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RRC_[HL]"><a class="selflink" href="#RRC_[HL]">RRC
|
|
[HL]</a></h2>
|
|
Rotate value pointed by <b class="Sy" title="Sy">HL</b> right.
|
|
<div class="Pp"></div>
|
|
<div class="D1">[0] -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#RRC_r8">RRC r8</a>
|
|
<h2 class="Ss" title="Ss" id="RRCA"><a class="selflink" href="#RRCA">RRCA</a></h2>
|
|
Rotate register <b class="Sy" title="Sy">A</b> right.
|
|
<div class="Pp"></div>
|
|
<div class="D1">[0] -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="RST_vec"><a class="selflink" href="#RST_vec">RST
|
|
vec</a></h2>
|
|
Call restart vector <var class="Ar" title="Ar">vec</var>.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="SBC_A,r8"><a class="selflink" href="#SBC_A,r8">SBC
|
|
A,r8</a></h2>
|
|
Subtract the value in <var class="Ar" title="Ar">r8</var> and the carry flag
|
|
from <b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if no borrow from
|
|
bit 4.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if no borrow (set if
|
|
<var class="Ar" title="Ar">r8</var> >
|
|
<b class="Sy" title="Sy">A</b>).</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SBC_A,[HL]"><a class="selflink" href="#SBC_A,[HL]">SBC
|
|
A,[HL]</a></h2>
|
|
Subtract the value pointed by <b class="Sy" title="Sy">HL</b> and the carry flag
|
|
from <b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SBC_A,r8">SBC A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="SBC_A,n8"><a class="selflink" href="#SBC_A,n8">SBC
|
|
A,n8</a></h2>
|
|
Subtract the value <var class="Ar" title="Ar">n8</var> and the carry flag from
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SBC_A,r8">SBC A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="SCF"><a class="selflink" href="#SCF">SCF</a></h2>
|
|
Set Carry Flag.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: 1</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SET_u3,r8"><a class="selflink" href="#SET_u3,r8">SET
|
|
u3,r8</a></h2>
|
|
Set bit <var class="Ar" title="Ar">u3</var> in register
|
|
<var class="Ar" title="Ar">r8</var> to 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="SET_u3,[HL]"><a class="selflink" href="#SET_u3,[HL]">SET
|
|
u3,[HL]</a></h2>
|
|
Set bit <var class="Ar" title="Ar">u3</var> in the byte pointed by
|
|
<b class="Sy" title="Sy">HL</b> to 1.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="SLA_r8"><a class="selflink" href="#SLA_r8">SLA
|
|
r8</a></h2>
|
|
Shift left arithmetic register <var class="Ar" title="Ar">r8</var>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- 0</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SLA_[HL]"><a class="selflink" href="#SLA_[HL]">SLA
|
|
[HL]</a></h2>
|
|
Shift left arithmetic value pointed by <b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">C <- [7 <- 0] <- 0</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SLA_r8">SLA r8</a>
|
|
<h2 class="Ss" title="Ss" id="SRA_r8"><a class="selflink" href="#SRA_r8">SRA
|
|
r8</a></h2>
|
|
Shift right arithmetic register <var class="Ar" title="Ar">r8</var>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">[7] -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SRA_[HL]"><a class="selflink" href="#SRA_[HL]">SRA
|
|
[HL]</a></h2>
|
|
Shift right arithmetic value pointed by <b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">[7] -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SRA_r8">SRA r8</a>
|
|
<h2 class="Ss" title="Ss" id="SRL_r8"><a class="selflink" href="#SRL_r8">SRL
|
|
r8</a></h2>
|
|
Shift right logic register <var class="Ar" title="Ar">r8</var>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">0 -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set according to
|
|
result.</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SRL_[HL]"><a class="selflink" href="#SRL_[HL]">SRL
|
|
[HL]</a></h2>
|
|
Shift right logic value pointed by <b class="Sy" title="Sy">HL</b>.
|
|
<div class="Pp"></div>
|
|
<div class="D1">0 -> [7 -> 0] -> C</div>
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SRA_r8">SRA r8</a>
|
|
<h2 class="Ss" title="Ss" id="STOP"><a class="selflink" href="#STOP">STOP</a></h2>
|
|
Enter CPU very low power mode. Also used to switch between double and normal
|
|
speed CPU modes in GBC.
|
|
<div class="Pp"></div>
|
|
Cycles: -
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: None affected.
|
|
<h2 class="Ss" title="Ss" id="SUB_A,r8"><a class="selflink" href="#SUB_A,r8">SUB
|
|
A,r8</a></h2>
|
|
Subtract the value in <var class="Ar" title="Ar">r8</var> from
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 1</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: Set if no borrow from
|
|
bit 4.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: Set if no borrow (set if
|
|
<var class="Ar" title="Ar">r8</var> >
|
|
<b class="Sy" title="Sy">A</b>).</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SUB_A,[HL]"><a class="selflink" href="#SUB_A,[HL]">SUB
|
|
A,[HL]</a></h2>
|
|
Subtract the value pointed by <b class="Sy" title="Sy">HL</b> from
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SUB_A,r8">SUB A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="SUB_A,n8"><a class="selflink" href="#SUB_A,n8">SUB
|
|
A,n8</a></h2>
|
|
Subtract the value <var class="Ar" title="Ar">n8</var> from
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SUB_A,r8">SUB A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="SWAP_r8"><a class="selflink" href="#SWAP_r8">SWAP
|
|
r8</a></h2>
|
|
Swap upper 4 bits in register <var class="Ar" title="Ar">r8</var> and the lower
|
|
ones.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: 0</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="SWAP_[HL]"><a class="selflink" href="#SWAP_[HL]">SWAP
|
|
[HL]</a></h2>
|
|
Swap upper 4 bits in the byte pointed by <b class="Sy" title="Sy">HL</b> and the
|
|
lower ones.
|
|
<div class="Pp"></div>
|
|
Cycles: 4
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#SWAP_r8">SWAP r8</a>
|
|
<h2 class="Ss" title="Ss" id="XOR_A,r8"><a class="selflink" href="#XOR_A,r8">XOR
|
|
A,r8</a></h2>
|
|
Bitwise XOR between the value in <var class="Ar" title="Ar">r8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 1
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags:
|
|
<ul class="Bl-bullet Bl-compact">
|
|
<li class="It-bullet"><b class="Sy" title="Sy">Z</b>: Set if result is 0.</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">N</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">H</b>: 0</li>
|
|
<li class="It-bullet"><b class="Sy" title="Sy">C</b>: 0</li>
|
|
</ul>
|
|
<h2 class="Ss" title="Ss" id="XOR_A,[HL]"><a class="selflink" href="#XOR_A,[HL]">XOR
|
|
A,[HL]</a></h2>
|
|
Bitwise XOR between the value pointed by <b class="Sy" title="Sy">HL</b> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 1
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#XOR_A,r8">XOR A,r8</a>
|
|
<h2 class="Ss" title="Ss" id="XOR_A,n8"><a class="selflink" href="#XOR_A,n8">XOR
|
|
A,n8</a></h2>
|
|
Bitwise XOR between the value in <var class="Ar" title="Ar">n8</var> and
|
|
<b class="Sy" title="Sy">A</b>.
|
|
<div class="Pp"></div>
|
|
Cycles: 2
|
|
<div class="Pp"></div>
|
|
Bytes: 2
|
|
<div class="Pp"></div>
|
|
Flags: See <a class="Sx" title="Sx" href="#XOR_A,r8">XOR A,r8</a>
|
|
<h1 class="Sh" title="Sh" id="SEE_ALSO"><a class="selflink" href="#SEE_ALSO">SEE
|
|
ALSO</a></h1>
|
|
<a class="Xr" title="Xr">rgbasm(1)</a>, <a class="Xr" title="Xr">rgbds(7)</a>
|
|
<h1 class="Sh" title="Sh" id="HISTORY"><a class="selflink" href="#HISTORY">HISTORY</a></h1>
|
|
<b class="Nm" title="Nm">rgbds</b> was originally written by Carsten
|
|
Sørensen as part of the ASMotor package, and was later packaged in
|
|
RGBDS by Justin Lloyd. It is now maintained by a number of contributors at
|
|
<a class="Lk" title="Lk" href="https://github.com/rednex/rgbds">https://github.com/rednex/rgbds</a>.</div>
|
|
<table class="foot">
|
|
<tr>
|
|
<td class="foot-date">April 17, 2017</td>
|
|
<td class="foot-os">RGBDS Manual</td>
|
|
</tr>
|
|
</table>
|
|
</body>
|
|
</html>
|