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Graphics: text_fonts (bitmap layout, styles), sprites (DMA, multiplexing), gfx_base (chipset detection), rastport (draw modes, clipping), ham_ehb (mermaid fixes), display_modes (HAM palettes) Devices: scsi (per-model interfaces, Gayle limits, CD-ROM, native vs vendor drivers), console (ANSI sequences, CON:/RAW:), parallel (CIA registers, pinout), timer (resource exhaustion), gameport (quadrature, XOR state) Libraries: workbench (WBStartup, AppWindow/Icon/MenuItem), rexxsyslib (ARexx port hosting, command parsing), diskfont (font directory, colour fonts), keymap (rawkey codes, dead keys), locale (catalogue system, date formatting), layers (ClipRect, refresh types), utility (TagItem chains), icon (DiskObject, ToolTypes), iffparse (IFF structure, ByteRun1), expansion (Zorro AutoConfig) Networking: tcp_ip_stacks (major rewrite - Amiga vs Unix architecture, SANA-II pipeline, PPP/SLIP dial-up, Ethernet cards, MiSTer), bsdsocket (pure API ref), sana2 (buffer hooks, driver requirements), protocols (all code examples). Deduplicated overlap between the three files. Toolchain: debugging (Enforcer patterns, SnoopDOS, GDB remote, kprintf checklist), sasc (pragma encoding, __saveds idioms), stormc (NEW - StormC IDE, C++, PowerPC) References: error_codes (DOS, Exec, trackdisk, Intuition error tables) Driver development: rtg_driver (Native driver analysis, P96 tuning) All 22 README indexes updated. Root README synced with stormc.md entry.
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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 | Hard disk/CD-ROM I/O: per-model interfaces, Gayle bandwidth limits, native vs vendor drivers, HD_SCSICMD, CD-ROM commands, TD64/NSD 64-bit |
| serial.md | UART/RS-232: CIA registers, baud rate calculation, serial debugging (KPrintF) |
| parallel.md | Centronics parallel port: CIA-A Port B mapping, hardware pinout, direct register access |
| timer.md | CIA timers, E-clock, VBlank: delays, ReadEClock, periodic patterns, signal multiplexing, resource exhaustion |
| 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 | Joystick/mouse port: quadrature decoding, XOR state, fire buttons, controller types |
| input.md | Input handler chain: priority dispatch, event classes, key remapping, Commodities Exchange |
| console.md | Text terminal I/O: ANSI escape sequences, cursor/colour control, raw key events, CON:/RAW: handlers |