Category Archives: DrACo/Z80

Programming the DrACo/Z80

Instructions on how to program the DrACo/Z80, including dealing with the weird Z80 quirks… Continue reading

Posted in Assembly, Coding, Digital, DrACo/Z80, Drexel, EET325, Electronics, HOW-TO | Leave a comment

Z80 delay loops

The “spinloop” is a useful, basic tool for creating simple delays in machine code. Continue reading

Posted in Assembly, Coding, Digital, DrACo/Z80, Drexel, EET325 | Leave a comment

Peripheral Interfacing on the 8-bit DrACo/Z80

Interfacing peripherals with the 8-bit version of the DrACo/Z80 is still possible. Here’s how. Continue reading

Posted in Assembly, Digital, DrACo/Z80, Drexel, EET325 | Leave a comment

Ugly hack of the week

A lack of 74LS245s leads to an ugly-but-effective design hack… Continue reading

Posted in Digital, DrACo/Z80, Drexel, Hacks | Leave a comment