The ZX Frame Buffer (Leo) Page

Documentation

A White Paper on ZX (50 page Postscript document)


ZX Theory of Operations

Credits
Preface
Chapter 1 - Introduction
Chapter 2 - LeoCommand ASIC
Chapter 3 - CF Bus
Chapter 4 - CD Bus
Chapter 5 - CX Bus
Chapter 6 - LeoFloat ASIC
Chapter 7 - LeoDraw ASIC
Chapter 8 - Frame Buffer
Chapter 9 - LeoCross ASIC
Chapter 10 - Output RAMDAC
Chapter 11 - Pixel Clock Synthesizer
Chapter 12 - Boot Prom
Glossary


ZX Reference Manual

Credits
Preface
Chapter 1 - Introduction to the Leo Graphics Accelerator
Chapter 2 - Functional Description
Chapter 3 - Address map
Chapter 4 - Address Space Detail
Chapter 5 - LeoCommand (LC) Chip Registers
Chapter 6 - LeoDraw (LD) Chip Registers
Chapter 7 - LeoCross (LX) Chip Registers
Chapter 8 - RAMDAC Registers
Glossary


ZX Driver

Kishore's Leo Driver Design Doc


Notes

Paul's Notes on Rendering Code in the Header Files
Paul's Notes on How XGL sets up rendering on the ZX
"What Color should that Polygon be?" - Notes on Color Selectors

This page last updated November 9, 1995.