Table of Contents - Learning By Example Using VHDL - Advanced Digital Design With the Nexys-2 FPGA Board

Learning by Example Using VHDL - Advanced Digital Design With a Nexys-2 FPGA Board

TABLE OF CONTENTS

1. VHDL Building Blocks
	1.1 Modeling Digital Circuits Using VHDL
	1.2 VHDL if Statement
		Example 1 - 2-to-1 Multiplexer
		Example 2 - Registers
		Example 3 - Debounce Pushbuttons
		Example 4 - Clock Pulse
		Example 5 - Counters
		Example 6 - Clock Divider
		Example 7 - Comparators
	1.3 VHDL case Statement
		Example 8 - 4-to-1 Multiplexer
		Example 9 - 7-Segment Decoder
		Example 10 - Arithmetic Logic Unit (ALU)
	1.4 VHDL for Loops
		Example 11 - 4-Input Gates
		Example 12 - Binary-to-BCD Converter
		Example 13 - Gray Code Converters
		Example 14 - Multiplier
		Example 15 - Divider
		Example 16 - 3-to-8 Decoder
	1.5 State Machines
		Example 17 - A Moore Machine Sequence Detector
		Example 18 - A Mealy Machine Sequence Detector
		Example 19 - Door Lock Code
	1.6 VHDL Package
		Example 20 - Door Lock Code - Package
	1.7 Multiple-Process VHDL Programs
		Example 21 - The 7-Segment Display Module, x7segb
	1.8 VHDL while Statement
		Example 22 - GCD Algorithm - Part 1

2. Datapaths and Control Units
	Example 23 - GCD Algorithm - Part 2
	Example 24 - Square Root Algorithm - Part 1

3. Integrating the Datapath and Control Unit
	Example 25 - GCD Algorithm - Part 3
	Example 26 - Square Root Algorithm - Part 2

4. Memory
	Example 27 - A VHDL ROM
	Example 28 - Distributed RAM/ROM
	Example 29 - A Stack
	Example 30 - Block RAM
	Example 31 - External RAM
	Example 32 - External Flash Memory

5. UART
	Example 33 - Transmit Module
	Example 34 - Receive Module

6. VGA Controller
	Example 35 - VGA Stripes
	Example 36 - VGA PROM
	Example 37 - Sprites in Block ROM
	Example 38 - Screen Saver
	Example 39 - External Video RAM
	Example 40 - External Video Flash

7. PS/2 Port
	Example 41 - Keyboard
	Example 42 - Mouse

8. Graphics
	Example 43 - Clearing the Screen
	Example 44 - Plotting a Dot
	Example 45 - Plotting a Line
	Example 46 - Plotting a Star
	Example 47 - Plotting a Circle

9. Forth Core for FPGAs
	Example 48 - FC16 Forth Core
	Example 49 - Data Stack
	Example 50 - Function Unit
	Example 51 - Return Stack
	Example 52 - FC16 Controller
	Example 53 - GCD Forth Program
	Example 54 - Square Root Forth Program

Appendix A – Aldec Active-HDL Tutorial - Simulations
Appendix B – Test Bench and XPower Tutorial
Appendix C – Making a Turnkey System
Appendix D – VHDL Quick Reference Guide