Category Archives: Commodore 64

Commodore 64 Programming #10: Multiple interrupts

We are not going to introduce many new things in this tutorial, just use what you know to create more than one interrupt. Interrupts can be used to split you screen into different sections. Say you want one part of … Continue reading

Posted in Commodore 64 | 27 Comments

Commodore 64 Programming #9: Interrupts and music

In this tutorial we will take a look at one of the most important topic when it comes to C-64 programming – Interrupts. Interrupts are used to pause whatever the machine is doing at a given condition, and do another … Continue reading

Posted in Commodore 64 | 18 Comments

Commodore 64 Programming #8: Text and custom charsets

In the previous tutorial, we learned how to create and render a bitmap, and how to enter bitmap-mode. In this tutorial, we are going to use almost the same concepts, but instead of rendering bitmaps, we are rendering text. We … Continue reading

Posted in Commodore 64 | 5 Comments

Commodore 64 Programming #7: Creating and rendering bitmaps

In this tutorial we are going to cover two things. First we will look at one way of creating bitmaps/images for our C-64 programs by using a tool for Windows. Next we will load the image we created into our … Continue reading

Posted in Commodore 64 | 17 Comments

Commodore 64 Programming #6: Raster lines

A raster line is the line that is being redrawn on the screen. You can create a lot of cool effects and implement smart logic that happens when the video signal reaches a specific raster line of your choice. The … Continue reading

Posted in Commodore 64 | 12 Comments

Commodore 64 Programming #5: Clearing the screen

In the previous tutorials we created stuff that rendered a sprite and changed the color on things. In this tutorial, we will clear the screen to a black color. To clear the screen, we should set the color of the … Continue reading

Posted in Commodore 64 | 6 Comments

Commodore 64 Programming #4: Rendering a sprite

In this tutorial we will take a quick look at how to render a sprite on the very nice standard C-64 background. In tutorial #7, I will show you how to create sprites but for now, download the following sprite … Continue reading

Posted in Commodore 64 | 18 Comments