Line interruption
Introduction Until now, we had been using the VBlank to control the game's tempo.The VBlank is the time it takes for the beam of light to...
Apr 299 min read
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OPL4 - Wave
Introduction In the post Programming OPL4 (FM Part) we explained what the Moonsound is and how to program the FM part of the chip. In...
Feb 916 min read
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State machine. Animating sprites
Introduction In this post, we’ll look at what a state machine is and how it helps us animate sprites. We’ll also introduce the SEV9938 ,...
Nov 20, 20249 min read
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Understanding Collisions
Objective As we mentioned in the previous installment of the series of articles on programming a Pong-type game, it's now time to improve...
Sep 1, 20247 min read
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Programming OPL4 (FM Part)
What is Moonsound? Moonsound was the first cartridge created for the MSX that used the OPL4 (YMF278B) chip. It was created by Henrik...
Jul 29, 202414 min read
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Pong (CPU Pad)
This is the fourth and final installment that we have designed for you to program a simple version of the Pong game from scratch using...
May 23, 20249 min read
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Scrolling through a tiled screen
Objective In a previous article ( Moving across a tiled screen ), we explored how to create a screen with a tile map and how to move a...
Apr 26, 202413 min read
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