Introduction to Serial Write on the Southern Cross This post is for absolute beginners who which to perform a Serial Write on the Southern Cross Z80 Computer. Craig Jones develops and maintains the Southern Cross Z80 Computer. In this section, I’ll be using the ACIA Serial Monitor, and the SCNEO Read More »
Building an I/O Module for the Southern Cross In this section, we’ll be Building an I/O Module for the Southern Cross Computer. The Southern Cross Computer is a Z80 system designed and maintained by Craig Jones. This system is useful for recreational and educational purposes. With this machine, you will Read More »
Introduction to my Stopwatch Program for the Southern Cross (Z80) My Stopwatch Program for the Southern Cross is a very simple program. In reality, it’s just one step above a “Hello World” program. Once you get your Southern Cross Computer up and running, you will want to continue learning. For Read More »
Introduction to Using Sensor Switches on the IMSAI 8080 Using Sensor Switches on the IMSAI 8080 allows you to give the operator a way to input data to your program. You can use these switches to trigger events, set a program operating mode, or to select different options. I’m running Read More »
Introduction to the IMSAI 8080 Binary Counter In this section, we’ll display the IMSAI 8080 Binary Counter onto the programmed outputs. Keep in mind the programmed outputs are in the upper left corner of the IMSAI front panel. Although there are several ways to do this, we’re going to concentrate Read More »
Introduction to IMSAI 8080 Programmed I/O The IMSAI 8080 Programmed I/O allows you to provide output for the operator, and read his input. For example, each indicator light might represent a different condition happening in your program. Meanwhile, the operator can use the sensor switches to provide input to your Read More »
Introduction to IMSAI 8080 Console I/O In this section, we’ll send text to the IMSAI 8080 Console I/O. This is useful in your programs for interfacing with the operator. In this case, we’ll be using assembly language. The assembler I’m using is Z80ASM. I’ll just be creating a non-document file Read More »
Introduction to the Digital I/O module for the RC2014 The Digital I/O module for RC2014 allows you to use inputs and outputs in your program. You can build this in less than an hour, and use it in your projects for ports 0 to 3. Diodes disable the 74HC138 port Read More »
Introduction to Using Telnet under Windows It’s important to realize that Using Telnet under Windows or any other operating system is insecure. In other words, telnet does not encrypt the data. A better option would be to use a protocol such as Secure Shell (SSH). On the other hand, there Read More »
Introduction to Using UNZIP on the Altair Duino Using UNZIP on the Altair allows you to zip multiple files on another machine. Once you zip a series of files, they become one file with the .ZIP extension. That way, you only need to transfer one file over XMODEM. Not only Read More »
