DOWNLOAD BOOK [PDF] Bare-Metal Amiga Programming: For OCS, ECS and AGA

Bare-Metal Amiga Programming: For OCS, ECS and AGA

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Programming the bare-metal means writing software that directly interacts with a system's
hardware without the use of an operating system. The main reason for doing this is to increase
efficiency as well as providing functionality that may otherwise not directly be supported by the
operating system.While the Amiga has a powerful multi-tasking operating system, most games
and demos go the bare-metal way. They are programmed in assembly language and bypass
AmigaOS in order to communicate directly with the custom chips and the other hardware to bring
special effects and smooth animations.This book is about programming the Commodore Amiga
hardware directly, bypassing AmigaOS. It covers all three chipset versions released by
Commodore: OCS, ECS and AGA. Each of the sub systems has its own chapter that explains the
workings and provides a number of examples. Amongst the subjects covered are the audio
hardware, the Copper, the Blitter, sprites and playfields. This book also covers using the disk
controller as well as interfacing with joysticks, paddles, mice and the keyboard.An understanding
of Motorola 680x0 assembly programming is required to get the best out of this book. Some
knowledge of the workings of AmigaOS and the Workbench is useful but not necessarily required.