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sio

Provide PSX SIO0 and SIO1 register configurations and link cable game lists.

3|Updated Feb 25, 2026
Search Tags:#multiplayer games#PSX#serial interfaces#SIO#register configuration
One-click install
npx skills add https://github.com/sadnescity/psx-spx-claude-plugin --skill sio
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: sio
Source: https://github.com/sadnescity/psx-spx-claude-plugin/tree/main/skills/sio
Command: npx skills add https://github.com/sadnescity/psx-spx-claude-plugin --skill sio

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides comprehensive access to the PSX Serial Interfaces (SIO), offering detailed register configurations for SIO0 and SIO1, including data, status, mode, control, baud rate, and a list of games compatible with link cable multiplayer.

Core Features & Use Cases

  • Register Configuration: In-depth details on SIO0 (controller/memory card) and SIO1 (external serial) registers for TX/RX data, status, mode, control, and baud rate.
  • Link Cable Games List: A complete list of PSX games that support link cable multiplayer, enhancing the gaming experience for users interested in local multiplayer.
  • Use Case: If you're developing a game or software that requires communication via PSX serial interfaces or want to know which PSX games support link cable multiplayer, this Skill is essential.

Quick Start

To view the configuration of the SIO0 register, use the 'sio skill' command.

Frequently Asked Questions about sio

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I configure PSX serial interface registers for game development?▼

PSX serial interface registers like SIO0 and SIO1 are configured by setting data, status, mode, control, and baud rate values. This Skill delivers detailed register configurations to establish serial communication for PSX game development.

What is the difference between SIO0 and SIO1 on the PSX console?▼

SIO0 handles controller and memory card communication, while SIO1 manages external serial connections. Both require specific register setups for TX/RX data, status, mode, control, and baud rate.

Which PSX games support link cable multiplayer?▼

PSX games supporting link cable multiplayer are cataloged in a comprehensive list provided by this Skill. This list helps identify compatible multiplayer titles for local gaming sessions over serial connections.

How do I debug serial communication on PSX hardware?▼

Debugging serial communication on PSX hardware involves monitoring SIO0 and SIO1 registers for TX/RX data transmission and status. This Skill provides exact register configurations to validate serial communication setups.

Can I use this to find compatible multiplayer games for PSX link cable setups?▼

Yes, this Skill finds compatible multiplayer games for PSX link cable setups. It delivers a complete list of PSX titles supporting link cable multiplayer for local gaming.

What are the limitations of using PSX SIO registers for data transmission?▼

Limitations of using PSX SIO registers for data transmission include the need for precise baud rate configuration and exact mode settings for SIO0 and SIO1. Incorrect control register values disrupt TX/RX data flow.

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