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10_devices: - serial.md: expanded with DB-25 pinout, custom chip UART registers, baud rate calculation table, open/configure/read/write patterns, serial debugging (KPrintF/Sushi) - input.md: expanded with handler chain architecture diagram, InputEvent struct, event classes table, qualifier bits, custom handler with key remapping, event consumption/blocking, synthetic event injection, Commodities Exchange Updated indexes: - 07_dos/README.md — enriched descriptions for all files - 10_devices/README.md — enriched descriptions for all files
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Devices — Overview
Amiga devices are shared libraries with an exec I/O request interface. They provide standardised access to hardware peripherals via OpenDevice/CloseDevice and DoIO/SendIO patterns.
Section Index
| File | Description |
|---|---|
| trackdisk.md | Floppy disk DMA: MFM encoding, track format, disk geometry, track caching, direct HW access |
| scsi.md | scsi.device / 2nd.scsi.device — hard disk I/O |
| serial.md | UART/RS-232: CIA registers, baud rate calculation, serial debugging (KPrintF) |
| parallel.md | parallel.device — Centronics parallel port |
| timer.md | CIA timers, E-clock, VBlank: delays, ReadEClock, periodic patterns, signal-based waiting |
| audio.md | 4-channel DMA audio: hardware registers, priority allocation, double-buffering, modulation |
| keyboard.md | CIA-A serial handshake, raw key codes, key matrix, reset sequence, FPGA protocol notes |
| gameport.md | gameport.device — joystick/mouse port reading |
| input.md | Input handler chain: priority dispatch, event classes, key remapping, Commodities Exchange |
| console.md | console.device — text terminal I/O |