This book contains descriptions of the system level components that make
up Portfolio: kernel, I/O, tasks, filesystem, events, and so on. It is
written for title developers who create programs that run on a 3DO system.
To use this document, the you should have a working knowledge of the C
programming language and object-oriented concepts.
Tasks and Threads- Gives
the background and necessary programming details to create and run tasks
and threads. Tasks and threads, although similar, operate differently in
certain key respects.
Using Tags and TagArgs-
Provides background on tags and Tag- Args and explains how to use them.
Managing Linked Lists-
Provides background on Portfolio linked lists and explains how to manage
them.
Managing Memory- Explains
how to allocate memory, how to share it among tasks, how to get
information about it, and how to free it.
Managing Items-Explains
what items are and how to use them.
Communicating Among Tasks- Provides background and necessary programming details for doing
intertask communication.
The Portfolio I/O Model-
Provides an overview of 3DO hardware devices and explains how to handle
input/output operations using the standard Portfolio's I/O calls.
Portfolio Devices- Lists
the device drivers and their associated commands and options.
The Filesystem and the File
Folio-Describes the 3DO file system. It includes sample code that
illustrates how to use file system calls.
The Event Broker-Shows how
a task uses the event broker to work with interactive devices.
The International Folio-
Provides information on how an application can use the International folio
to determine the current language and country, and how to display dates,
currency, and numeric values in a manner consistent with the current
language and country codes.
The Compression Folio-
Describes the Compression folio that provides general-purpose compression
and decompression services.
The Math Folio- Introduces
the different kinds of math calls available in the Math folio.
Access: A Simple User
Interface-Explains how to use the Portfolio system task access to
display information to a user and accept user input.