Category: Amiga Articles & Guides
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pdf0 Advanced Amiga Architecture (June 1992)

This document is a confidential 1992 Commodore technical specification for the proposed Advanced Amiga Architecture, describing a next-generation custom chipset meant to preserve Amiga compatibility while substantially improving performance, graphics, memory bandwidth, display flexibility, audio, and floppy support across both low-end and high-end system designs. It outlines the overall design goals and tradeoffs, introduces the major chip components and their roles, explains new graphics modes such as chunky and packed-pixel approaches alongside enhanced traditional modes, and dives into the low-level engineering details of clocks, DMA arbitration, bus timing, RAM organization, register maps, pin descriptions, framegrabber/genlock support, and processor interfacing. In practical terms, it reads as both a system architecture proposal and a hardware engineering reference for how a more powerful post-ECS Amiga chipset was intended to work.

advanced-amiga-architecture-june-18-1992
2026-04-18 English PDF 126.31 MB 59 Download
pdf1 Amiga 1.2 Exec Dissasembly

This is an annotated 1989 disassembly of the Amiga 1.2 exec.library from a Kickstart disk for the Amiga 1000, written by Markus Wandel, and it walks through the system at a very low level: boot and ROM startup, hardware initialization, exception vectors, memory detection and clearing, construction of the ExecBase structure, task and library setup, device I/O routines, and resident module scanning. It is aimed at readers who already know the Amiga Rom Kernel Manual and exec include files, and it goes beyond the official docs by explaining tricky or undocumented behavior in the actual code, including details of early boot flow, guru handling, CPU/FPU detection, and how the kernel brings multitasking online.

amiga-1.2-exec-disassembly
2026-04-18 English PDF 269.82 KB 56 Download
pdf2 Amiga Device Driver Guide v0.12 (1990)

This 1990 Amiga Device Driver Guide is an unofficial technical overview of how Amiga device drivers are structured, loaded, opened, used, and removed, aimed at programmers who already understand Amiga multitasking and message passing. It explains core pieces such as device nodes, library structures, RomTags, jump vectors, I/O request handling, BeginIO and AbortIO, synchronous versus asynchronous I/O, standard command and error codes, and the extra commands used by disk drivers like trackdisk. It also gives practical guidance for building disk-resident, autoloading, expungeable drivers and closes by showing that a minimal subset of commands is enough to create a workable hard disk driver, even if it is not a fully complete removable-media implementation.

amiga-device-driver-guide-v0.12
2026-04-18 English PDF 56.92 KB 53 Download
pdf3 Amiga Disk Encoding Schemes

Amiga Disk Encoding Schemes by Betty Clay

Disk drives are fascinating things. When they work properly, they manage data and software so beautifully that there is little need to think about the way in which they do it. When something goes wrong though, the loss is (or can be) so great that the inner workings of the drive become of utmost importance.

amiga-disk-encoding-schemes
2023-07-21 English PDF 38.05 KB 304 Download
pdf4 Amiga RGB to SCART Cable Diagram

This is an Italian wiring diagram for an Amiga RGB-to-SCART cable. The top drawing shows the physical cable: a 21-pin SCART plug on one end, a 23-pin male D-sub on the other for the Amiga video port, plus two RCA plugs for left/right audio. The lower schematic shows the signal routing: red, green, and blue from the Amiga go to the SCART RGB inputs, composite sync goes to the SCART sync pin, ground is tied appropriately, the two RCA leads feed stereo audio into the SCART audio pins, and +5V is sent to the SCART switching/blanking line so the TV knows to use RGB mode.

amiga-scart-rgb-cable-diagram
2026-04-18 English PDF 31.91 KB 54 Download
pdf5 Amiga Troubleshooter (500 / 1500 / 2000 / 2500) [January 1993]

The Amiga Troubleshooter (January 1993) by Ian Perry is a laminated, symptom-based diagnostic chart for Amiga 500/1500/2000/2500 systems that helps you trace visible faults—like blank screens, lockups, or I/O failures—back to specific ICs and components with almost no test equipment.

amiga-troubleshooter-a500-1500-2000-2500- 1983-jan
2025-12-11 English PDF 1.51 MB 40 Download
zip6 Amiga Troubleshooter (January 1993)

A simple-to-use symptomatic guide for diagnosing faulty IC components on Amiga computers (Including A500/A1500/A2000/A2500).

amiga-500-2000-trouble-shooter
2023-07-11 English PDF 1.82 MB 757 Download
zip7 DIY Joystick / Mouse Extension Cord

DIY Joystick / Mouse Extension Cord - By Solo761

Back between 2014 - 2017 there was a website called "16bitdust" hosted at the Wordpress.com domain.  That site is no longer around, but a few of the posts have been archived by the Wayback Machine.  You can find the archive of this article here.  I used a utility called PrintFriendly to extract the article and convert it to PDF.

diy-joystick-mouse-extension-cord
2023-07-21 English PDF 98.45 KB 270 Download