Category: Programming
To mark the 40th anniversary of the prototype demonstration in Kildall´s backyard tool shed in Pacific Grove in the fall of 1974, the Computer History Museum is pleased to make available, for non-commercial use, the source code of several of the early releases of CP/M. We are releasing scanned printer listings and/or machine-readable source code for four early versions of…
DragonPy is an open source emulator for the Dragon 32 and TRS-CoCo written in Python, which version 0.3.0 has just been released. Although even the author claims the objective is not to be another XRoar, the project is very interesting, maybe more as an easier way to learn something about emulators than to use it to play your favourite games….
[youtube bCSDkjhVM2A nolink] Don’t get confused! This is Lesson 1 but the 3rd video of the series made by Dagen Brock, and the topic is Super High Resolution Graphics (SHR) and the first time using the CPU in 16-bit mode. There is also a PDF document called Crash Course available on GitHub giving more information about the subject. Video: YouTube…
As a retro computer hobbyist, I know it is very common when people show a bit of surprise when you talk about your beloved old computers, and deep inside they are thinking “why the hell this guy is wasting time programming for dead technology?”. Well, now you can shut their mouths up, and if you live in US (Seattle –…
Do you know how to program in BASIC? Do you have a working retro computer or emulator? Reddit’s RetroBattlestations is holding next week (Sep 6-14) the BASIC Week 3 and they need help porting the BASIC Week 3 program to more computers and their different BASIC dialects. There’s ports now for the Commodore 64, Apple II, IBM PC, Atari, and Amstrad. The…
[youtube 3z4bMwHUEnk nolink] Using a real hardware, Dagen Brock gives a nice and well explained introduction to Assembly Language Programming on the Apple IIgs. Even if you are not really interested to learn to program, the 25-minute video is useful to show the Apple II built-in monitor capabilities. Source: A2Central Video Link: YouTube
Making Friends with SID Author: Paul Higginbottom The synthesizer chip in your Commodore-64 computer is affectionately known as SID. SID is in fact an acronym for Sound Interface Device. I doubt that many people realize just how powerful this chip is, but I intend to unleash some of its power for you. If you read some of the documentation…
