Welcome to ProDEV DDT discussion

Forum for the discussion of building and moding the ProDEV DDT debugger boards

Moderator: support

Welcome to ProDEV DDT discussion

Postby support » Wed Jun 22, 2005 7:40 am

ProDEV built a debugger board for the IIe and IIgs in the late 80's. They have made some kits available for folks to build thier own.

Please see http://www.prodev.biz/DDT/ddt.htm

This forum is here to help foster discussion/assistance on building/modding these boards by folks who have bought the kit.

Lets help each other.

Glenn
support
Site Admin
 
Posts: 169
Joined: Tue Mar 08, 2005 10:49 pm
Location: Ajax, On, Canada

Postby aiiadict » Wed Jun 22, 2005 10:42 am

cool!

I bought one. I read the "readme" that came
with the documentation:

"great effort has been expended to make the DDT
source code the most exquisite example of spaghetti
code the world has ever known"

:-)

Rich
aiiadict
 
Posts: 33
Joined: Mon May 16, 2005 9:44 pm
Location: california

Postby ProDev » Thu Jun 23, 2005 8:55 pm

That's no joke about being spaghetti code. 16K bytes of program running in a 2K memory space by bank switching the EPROM with 256 bytes of code in a non bank switched location. Plus a bank switched RAM. The darn thing even runs code in a 16 byte memory space reserved for card I/O.

I pitty the poor fool who trys to analyze that code. :)
ProDev
 
Posts: 12
Joined: Thu Jun 23, 2005 8:46 pm
Location: La Salle, MI

Postby aiiadict » Sun Dec 25, 2005 2:33 am

http://bobsc5.home.comcast.net/aal/1988/aal8804.html


I've read csa2programmer newsgroup for a few years,
including Paul Santa Maria's posts.. I never knew he
was involved in commercial Apple II products. The above
link says he worked for ProDev inc, the company that
manufactured the DDT card
aiiadict
 
Posts: 33
Joined: Mon May 16, 2005 9:44 pm
Location: california

Postby ProDev » Thu Jan 05, 2006 4:42 pm

Yes it' is true. Paul has been a friend of mine since we met at an Apple II user group meeting, many years ago. He worked for ProDev for a while as a programmer.
Chuck
ProDev
 
Posts: 12
Joined: Thu Jun 23, 2005 8:46 pm
Location: La Salle, MI


Return to DDT Build and Mod

Who is online

Users browsing this forum: No registered users and 2 guests

cron