The Morgan Davis Group Portfolio section is online. Researching those years required digging through Usenet articles, old floppy disks, and installing Macintosh and Apple IIGS emulators on my PC to access all that old work. So much nostalgia! Work now commences on the remaining Portfolio sections, with CTSnet coming up next! Stay tuned.

Aside from the endless lessons that come with running your own business, the MDG years allowed me to dabble in (and sometimes master) several computer-related subjects:

Programming Languages

• 6502, 65C02, 65816, and 68000 assembler
• APW C, MPW IIGS C, THINK/Symantec C
• BASIC
• FoxBASE
• PostScript
• HyperScript
• Bourne shell, C-shell, and BASH scripting
• Many software development environments

Hardware/firmware/ROM Interfaces

• Various internal modem cards
• Hayes AT command set for many modems
• High-speed serial communications controllers
• Serial and parallel printer interfaces
• Apple IIGS and Macintosh toolboxes
• Clocks, timers, and interrupt controllers

Operating Systems

• Apple ProDOS and GS/OS
• Macintosh HFS
• Variations of System V and BSD Unix

Computer Sciences

• Computer human interfaces
• Communications protocols
• Compiler design
• Event-driven application model
• Extreme code optimization
• Integrating modular applications
• Operating system development
• Object oriented programming
• Multiuser systems application development
• Computer virus identification and eradication
• Cross-platform development

…and a lot more that escapes enumeration, but all of it the foundation for what was to come next: CTSnet.