Some Disassembly Required

Building, Un-building and Re-building Things

Tag: VGA interface

  • Discrete VGA Graphics Adapter: Framebuffer and DAC

    Discrete VGA Graphics Adapter: Framebuffer and DAC

    Putting Actual Graphics Into the Graphics Adapter Last time, I threw together a VGA time base. I didn’t spend much time elaborating on it, because honestly it bores me. There is only so much you can say about a counter that hasn’t already been said. This time around the goal is to display an actual…

  • Discrete VGA Graphics Adapter: Time Base

    Discrete VGA Graphics Adapter: Time Base

    Part 1: VGA Time Base Generation Ever since I started designing computers, I knew I needed to come up with some kind of graphics interface. Preferably one that didn’t require specialty hardware, licensing, or only worked with very old displays. There is one, and only one, interface that does the job: VGA. Despite being completely…