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Z80 Opcode Table

A set of extensible tables for displaying details of machine instructions for Z80 and other architectures

https://clrhome.org/table/

About

This repository contains the source code for the Z80 Opcode Table, which is publicly available at https://clrhome.org/table/.

Contributing

Feedback and contributions are always welcome! If you have any bug reports, feature requests, or questions, please open a GitHub issue.

To contribute, follow the instructions below to set up local development and submit a GitHub pull request. You will need to have the following utilities installed:

  1. Create a fork of deeptoaster/opcode-table to your own account and clone it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit them, push them to your fork on GitHub, and create a pull request to deeptoaster/opcode-table.

About

A set of extensible tables for displaying details of machine instructions for Z80 and other architectures

Resources

Readme
Activity

Stars

21 stars

Watchers

1 watching

Forks

5 forks
Report repository

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Z80 Opcode Table
A set of extensible tables for displaying details of machine instructions for
Z80 and other architectures
https://clrhome.org/table/
About
This repository contains the source code for the Z80 Opcode Table, which is
publicly available at https://clrhome.org/table/.
Contributing
Feedback and contributions are always welcome! If you have any bug reports,
feature requests, or questions, please open a GitHub
issue.
To contribute, follow the instructions below to set up local development and
submit a GitHub pull
request. You will need to
have the following utilities installed:
  1. Create a fork of deeptoaster/opcode-table to your own account and clone
it.
  2. In the project directory, run make all to build all assets.
  3. Open the generated index.html in your browser.
  4. After making your changes, commit
them, push them to
your fork on GitHub, and create a pull
request
to deeptoaster/opcode-table.
About
A set of extensible tables for displaying details of machine instructions for Z80 and other architectures
Resources
Readme
Activity
Stars
21 stars
Watchers
1 watching
Forks
5 forks
Report repository
Releases
Packages
Contributors
Languages