Category Archives: Coding

First peripheral

Posted on 2008-08-31 by M. Eric Carr

The first peripheral for the Z80 is working (although still somewhat alpha at this point): a two-line LCD text display. It’s mapped as I/O ports 0x00 and 0x01, with control commands being sent to 0x00 and data to 0x01. It’s … Continue reading →

Posted in Coding, Digital, DrACo/Z80, Drexel, EET325 | 1 Comment

Putting the “Basic” back in BASIC

Posted on 2008-08-29 by M. Eric Carr

I found a cool Z80 simulator suite — with a lot of useful bells and whistles. It has an assembler, disassembler, memory editor, simulated peripherals, and a very intuitive and complete interface: you can look right into the heart of … Continue reading →

Posted in Coding, DrACo/Z80, Drexel | 4 Comments

VSI gauge progress

Posted on 2008-05-05 by M. Eric Carr

The first CHComm-based instrument is starting to take shape. A Futaba servo connected to a PIC16F877a (yeah, I know — gross overkill — but it was handy) to make a VSI gauge. At this point, it works intermittently; it seems … Continue reading →

Posted in Coding, Digital, PIC Microcontrollers | Leave a comment

CH Comm works!

Posted on 2008-05-03 by M. Eric Carr

CH Comm is up and running, sending FS2004 and FSX data out the serial port. Continue reading →

Posted in Coding, Digital, PIC Microcontrollers | Leave a comment