mirror of
https://github.com/alfishe/amiga-bootcamp.git
synced 2026-06-13 00:26:28 +00:00
c4522ef2ed
New articles: - 01_hardware/common/memory_types.md: comprehensive Chip/Fast/Slow RAM reference with DMA accessibility matrix, per-model configurations (A500-A4000), accelerator memory expansion (classic + modern), adaptive software behavior, pitfalls with impact analysis, FPGA/emulation notes - AGENTS.md: documentation standards and methodology guidelines Blitter programming (08_graphics/blitter_programming.md): - Rewrote minterm truth table with narrative explanation and worked example - Added 7 advanced use cases with assembly/C code: shifted BOB, hardware scroll, area fill polygon, interleaved bitplane BOBs, double-buffered game loop, GUI window drag, tile map renderer - Added Good/Bad Patterns section with 5 named antipatterns - Added Practical Limitations table (10 constraints with workarounds) - Expanded Common Minterms table with Description and Real-World Use Case columns Cross-reference updates: - Root README: added memory types to coverage, quick start, section index - 01_hardware/README: updated common/ folder description - address_space.md: linked to memory_types.md and chip_ram_expansion.md - memory_management.md (exec): linked to hardware memory types reference - bitmap.md, sprites.md, animation.md, audio.md: linked to memory_types.md explaining DMA Chip RAM requirement for each subsystem - chip_ram_expansion.md: linked to comprehensive memory types article |
||
|---|---|---|
| .. | ||
| audio.md | ||
| console.md | ||
| gameport.md | ||
| input.md | ||
| keyboard.md | ||
| parallel.md | ||
| README.md | ||
| scsi.md | ||
| serial.md | ||
| timer.md | ||
| trackdisk.md | ||
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 |