The Personal Web Site of:
Douglas Beattie Jr.
Computer Systems Engineer
Salt Lake Valley, Northern Utah, U.S.A.
Last Updated: 2013-09-07
Online since 1997, this site is maintained with infrequent additions,
as a tribute to all engineering students and electronics hobbyists.
I hope you find something interesting, educational or useful here!
Run CP/M-86 on VirtualBox!
FreeBSD/ARM on AT91SAM9260-EK
Android Native Binaries without NDK
.FORTH for ZNEO, eZ80190, eZ80F91/eZ80F92 (eZ80 Acclaim), Z80, Z180, Z380/Z382
- Source code and Build Projects for .FORTH kernels on ZiLOG microprocessors.
Cross-assemble from DOS, or use provided ZiLOG ZDS projects.
Visit the Z80 Forth page.
Project Launcher for ZDS-II Projects
Read more about the zdsproj_Launcher Utility,
a project launch steering utility for
ZiLOG Developer Studio,
which deals with the problem of mapping multiple tool sets
to a single file type 'zdsproj'.
Parallel Port Interfacing (''roll-your-own'')
- Parallel port interfacing in C/C++ and Java, for Win98SE, Win2K and WinXP --
Check it out here.
With test programs -- build with gcc-MinGW32, Borland v5.5, or Visual C++ v6 !
eZ80F91 Reference Design
Possibly of interest: eZ80F91-based CPCng.
A concept for personal computing
based on the Zilog eZ80F91, with Ethernet, VGA, PS2 mouse, keyboard,
and modem and terminal interfaces. Schematics available in PDF.
Includes .EAGLE Design Source files and Gerber manufacturing data.
6502 / 65C02: Hardware / Software and 6502 figFORTH
Visit the x65 Hardware and Software Page, including:
- a Do-it-Yourself 65C02 computer (with figFORTH Kernel).
with photos of the (alpha) PCB version.
- MAS65, the powerful 6502 Macro Cross Assembler,
- a 65xxx component Library for .EAGLE,
|And cruise the 6502 WebRing! . . .
Home workshop electronics prototyping -- photos!
Passive Backplane ISA Prototype
Schematic and PCB design -- for Linux®, Windows®, and Mac OS X
Freeware and professional versions; includes Schematic Entry, Component Libraries
and PC Board Layout Editor with optional Autorouter. Also contains full on-line help.
Several ZiLOG libraries (eZ80 and Z8 Encore) are available in the User Files - Downloads section.
Questions or comments?
Copyright (c) 2005 Douglas Beattie Jr.