Articles by Sub-Etha Software

Since this past summer, I have been without home internet. I previously went without phone and home internet for quite some time before, so it’s not nearly as shocking this time around. It does make me realize how cloud dependent computing has become. Computers, in general, are far less useful …

See also: Part 1

Oh, the frustrations of obvious function names that don’t actually help.

LED1_On(); LED1_Off(); … LED9_On(); LED9_Off();

First, it’s quite obvious that LED1_On() probably turns LED #1 on, and LED1_Off() turns it off. Simple.

But what is LED #1?

For most of my programming career, I have

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At a previous job, I was introduced to the concept of “clean code.” As an embedded programmer, where we are often trying to squeeze extra bytes out of already optimized code, many of the principals of clean code do not apply.

But, in general, I like what I have read

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In the C programming language, memcpy (memory copy) is a function used to copy a range of bytes from one location in memory to another. I have used it often. Today, my boss mentioned something about not liking memcpy() because of all the dangers of using it. I understand that

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Just a quick rant, based on how example code from a new compiler I am using is presented.

In C (and similar languages), it is very common to see simple logic presented in one line, such as:

if (AlertLevel == RED) TurnOnSiren();

That is simple to understand, and only

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This one even uses my customized version of Bo Zimmerman’s Zimodem ESP8266 Firmware.

https://www.simulant.uk/shop/retro-vintage-computer-wifi-modem-rs232-serial-hayes-compatible

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Thanks to Rob Inman for sharing this link over on Discord. They have an RS-232 to WiFi module available, based on the ESP8266 module. They chose to include my pre-configured fork of Bo Zimmerman’s ZiModem (with the settings for standard RS232 rather than Commodore serial). Cool.

https://www.simulant.uk/shop/retro-vintage-computer-wifi-modem-rs232-serial-hayes-compatible

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Microsoft Visual Studio Code for Mac (left) with extension to color code BASIC code for easy loading into Xroar emulator (right).

As mentioned elsewhere, there are some CoCo-related extensions available for the Microsoft Visual Studio Code editor.

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The following is a reprint of an article I originally wrote around November 11, 2002 at 4:17:20 a.m. CST. Apparently.

From: Allen Huffman

Date: November 11, 2002 4:17:20 AM CST

Subject: Yo ho, yo ho, a (video) pirate’s life for me…

The 1990s.  You remember them, don’t you?  It

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Today, Microware posted a survey on their Facebook group asking which model(s) of Raspberry Pi you’d be interested in running OS-9 on.

If interested, and you are on Facebook, drop by the group and respond to the survey:

https://www.facebook.com/groups/334403350011917/

I don’t know many details, but it seems that buying the

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