2min chapter

Lex Fridman Podcast cover image

#309 – John Carmack: Doom, Quake, VR, AGI, Programming, Video Games, and Rockets

Lex Fridman Podcast

CHAPTER

Is It a Compatibility Quirk?

There were what they called super VGA cards the cards that would allow higher resolutions and I and different features that the standard ones didn't. And on some of those cards, this was a weird compatibility quirk again because nobody thought this was not what it was designed to do. Some of those cards had more memory they had more than just 256 K and four planes they had 512 K or a megabyte. So either I needed to natively program all of the VGA cards there to map in that memory and keep scrolling down through all of that. Or I kind of punted and took the easy solution of when you finally did run to the edge of the screen. I accepted a hitch

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