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Comprehensive technical documentation covering: - Hardware: OCS/ECS/AGA custom chip registers, Copper & Blitter deep dives - Boot sequence: cold boot through startup-sequence - Binary format: HUNK executable spec, relocation, debug info - Linking & ABI: .fd files, LVO tables, register calling conventions - Exec kernel: tasks, interrupts, memory, signals, semaphores - AmigaDOS: file I/O, FFS/OFS layout, CLI/Shell scripting - Graphics: planar bitmaps, Copper programming, HAM/EHB modes - Intuition: screens, windows, IDCMP, BOOPSI - Devices: trackdisk, SCSI, serial, timer, audio, keyboard - Libraries: utility, expansion, IFFParse, locale, ARexx - Networking: bsdsocket API, SANA-II, TCP/IP stack comparison - Toolchain: GCC, vasm/vlink, SAS/C, NDK, debugging - Reverse engineering: IDA/Ghidra setup, compiler fingerprints, case studies - CPU & MMU: 68040/060 emulation libs, PMMU, cache management - Driver development: SANA-II, Picasso96/RTG, AHI audio All files include breadcrumb navigation. No local paths or proprietary content.
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input.device — Event Stream Merging
Overview
input.device merges events from keyboard, mouse, gameport, and timer into a single input stream that feeds Intuition. Input handlers can be installed at various priorities to filter, modify, or consume events.
Handler Priority Levels
| Priority | Consumer |
|---|---|
| 100 | System reserved |
| 51+ | Custom high-priority handlers |
| 50 | Intuition |
| 20 | Console.device |
| 0 | Default |
Commands
| Code | Constant | Description |
|---|---|---|
| 9 | IND_ADDHANDLER |
Add input handler |
| 10 | IND_REMHANDLER |
Remove input handler |
| 11 | IND_WRITEEVENT |
Inject an InputEvent into the stream |
| 12 | IND_SETTHRESH |
Set double-click threshold |
| 13 | IND_SETPERIOD |
Set key repeat period |
| 14 | IND_SETMPORT |
Set mouse port type |
| 15 | IND_SETMTRIG |
Set mouse trigger |
| 16 | IND_SETMTYPE |
Set mouse type |
References
- NDK39:
devices/input.h 09_intuition/input_events.md— handler installation example