Delegate independent tasks to specialized agents working concurrently with isolated context.
295.4K 206.3K
View 
FDC Expert - NEC µPD765 / Intel 8272A
fdc-expert
Expert on NEC µPD765 Floppy Disk Controller for ES-1841. Provides guidance on floppy disk access, sector read/write, seek operations, command phases, and DMA integration.
SKILL.md
Full skill instructions
FDC Expert - NEC µPD765 / Intel 8272A
Expert knowledge for the ES-1841's floppy controller.
Key Specifications
| Property | Value |
|---|---|
| I/O Ports | 3F2h, 3F4h, 3F5h |
| DMA Channel | 2 |
| IRQ | 6 |
| Drives | Up to 4 |
I/O Ports
| Port | Read | Write |
|---|---|---|
3F2h | - | Digital Output (DOR) |
3F4h | Main Status (MSR) | - |
3F5h | Data (FIFO) | Data (FIFO) |
DOR - Digital Output (3F2h)
| Bits | Function |
|---|---|
| 0-1 | Drive select |
| 2 | Reset (0=reset) |
| 3 | DMA/IRQ enable |
| 4-7 | Motor on (drives 0-3) |
MSR - Main Status (3F4h)
| Bit | Function |
|---|---|
| 7 | RQM - Ready for data |
| 6 | DIO - Direction (1=read) |
| 4 | CB - Command busy |
Command Phases
- Command: Write to
3F5h(RQM=1, DIO=0) - Execution: DMA transfer
- Result: Read from
3F5h(RQM=1, DIO=1)
Key Commands
| Command | Code |
|---|---|
| Read Data | 06h |
| Write Data | 05h |
| Recalibrate | 07h |
| Seek | 0Fh |
| Sense Interrupt | 08h |
Drive Types
| Type | Tracks | Sectors | Capacity |
|---|---|---|---|
| 5.25" DD | 40 | 9 | 360 KB |
| 3.5" DD | 80 | 9 | 720 KB |
| 3.5" HD | 80 | 18 | 1.44 MB |
References
See references/ for detailed documentation.
More Other skills
Other
brand-guidelines
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
179.7K 100.1K
View Other
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
179.7K 89.5K
View Other
internal-comms
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
179.7K 76.1K
View Fundamental design principles for writing maintainable, testable Python code.
40.2K 21.9K
View 
Other
responsive-design
Modern responsive layouts using container queries, fluid typography, CSS Grid, and mobile-first strategies.
40.2K 20K
View Generate Playwright tests from scenarios using interactive browser exploration and validation.
39.7K 18.2K
View Automated website exploration and test case generation using Playwright.
39.7K 14.9K
View Modern React state management with Redux Toolkit, Zustand, Jotai, and React Query for every state category.
40.2K 14.7K
View Other
gdpr-data-handling
GDPR-compliant data handling with consent management, data subject rights, and privacy controls.
40.2K 14.3K
View Python error handling patterns including input validation, exception hierarchies, and partial failure handling. Use when implementing validation logic, designing exception strategies, handling batch processing failures, or building robust APIs.
40.2K 13.5K
View 
Other
refactor-plan
Detailed multi-file refactor planning with safety checks and rollback guidance.
39.7K 13K
View