cdrom-internal-decoder

cdrom-internal-decoder is a skill for Claude Code from sadnescity/psx-spx-claude-plugin. It costs 77 tokens per session (19,406 once invoked), scanned A, original, no licence file.

A technical reference for the internal CD-ROM decoder and servo chips used in the original PlayStation. It covers chip registers, commands, signal processing, and coefficient tables.

In plain words
What is it for?
Use it when working on PlayStation CD-ROM emulation, firmware, reverse engineering, decoder behavior, servo control, or chipset-specific commands.
Why use it?
It provides details needed to understand or modify low-level CD-ROM hardware behavior. Without this reference, chip-specific work requires finding scattered technical information.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the psx-spx plugin — 42 skills shipped together

Good fit Use it when working on PlayStation CD-ROM emulation, firmware, reverse engineering, decoder behavior, servo control, or chipset-specific commands.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add sadnescity/psx-spx-claude-plugin --skill cdrom-internal-decoder
Clone the repo
git clone --depth 1 https://github.com/sadnescity/psx-spx-claude-plugin

Made for: Claude Code.

Or install psx-spx, the plugin that ships this one along with the rest of its 42 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for cdrom-internal-decoder

README.md
[![agentmods](https://agentmods.dev/badge/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder/github.svg)](https://agentmods.dev/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder)
Your own site
<a href="https://agentmods.dev/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder"><img src="https://agentmods.dev/badge/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for cdrom-internal-decoder

Your own site · 80×15
<a href="https://agentmods.dev/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder"><img src="https://agentmods.dev/badge/skills/sadnescity/psx-spx-claude-plugin/cdrom-internal-decoder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 19,406 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00077 $0.19406
Opus 5 $0.00039 $0.09703
Sonnet 5 $0.00015 $0.03881
Haiku 4.5 $0.00008 $0.01941

Measured 9d ago against content hash 2a098486d06e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

cdrom-internal-decoder scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/cdrom-internal-decoder/SKILL.md · 1,257 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 1,257 lines · 77 tokens per session scan A 2a098486d06e

Subscribe to this mod's changes

cdrom-internal-decoder is a skill published in the GitHub repository sadnescity/psx-spx-claude-plugin (3 stars, last pushed 5mo ago), with no licence file. It adds 77 tokens to every session and 19,406 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.