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With permission from the main authors [1], most of the code has been relicensed under the MIT license. SPDX license identifiers are used so that the license headers in source code files aren't too large. Add CONTRIBUTORS.rst file. [1] https://github.com/rednex/rgbds/issues/128 Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
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>
|
|
<dd class="It-inset"></dd>
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|
<dt class="It-inset"><a class="Sx" title="Sx" href="#SRA_[HL]">SRA
|
|
[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>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#SRL_[HL]">SRL
|
|
[HL]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
</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
|
|
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
|
|
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,[$FF00+n8]">LD
|
|
A,[$FF00+n8]</a></dt>
|
|
<dd class="It-inset"></dd>
|
|
<dt class="It-inset"><a class="Sx" title="Sx" href="#LD_A,[$FF00+C]">LD
|
|
A,[$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">January 26, 2018</td>
|
|
<td class="foot-os">RGBDS Manual</td>
|
|
</tr>
|
|
</table>
|
|
</body>
|
|
</html>
|