Category Archives: EET325

The EET325 class is wrapping up this week, but not before I got Bill’s prototype Z80 core working with the original protoboard control panel. Not only that, but two of the students (Mike and Austin) have finished, working Z80s. So … Continue reading →

To paraphrase Emperor Palpatine… “And now, witness the power of this fully ARMED and OPERATIONAL … Z80 computer!” OK, so running at the current 40kHz system clock, it’s got more milliamps than megaflops — but at least it’s running properly … Continue reading →

The Z80 computer now has its name in lights! (See video; I apologize in advance for the horrible low resolution and mp4 artifacts.) Dr. Rosen and I got approval to buy an Alpha 215R single-line LED display as a demo … Continue reading →

Bill (Dr. Rosen’s independent-study student) stopped by the lab today to work on his Z80 computer. After tracking down a few bugs, we got it working! I loaded the Fibonacci test program into it, and saw it execute the JMP … Continue reading →