marlone93

15 ms·

1.
by marlone93 2y ago
Why is this advertising-like stuff worth of hackernews?
2.
by marlone93 2y ago
It means almost an order of magnitude less divisions (and additional calculations as well). Quake had to do this because it would have been too much especially for a low-end Pentium when it was released in 1996. Yes it is not even noticeabl
3.
by marlone93 2y ago
Afaik, Quake does not do one divide per pixel, it is in steps of 8 pixels (see dscan.c in winquake). Yes, there is non divide but instead of taking hundreds of cycles, tables and other approximations could be used. Of course, div/vdiv
4.
by marlone93 2y ago
I think the article says the same. The gba port is impressive. I guess FPU would not be even required with 120 pix horizontal resolution. CM33 does in a single cycle even more: 2 16 bits multiplications, addition and accumulation, for insta
5.
by marlone93 2y ago
The LCD internal memory is write only and it is used just to hold the image being shown. Unlike the GBA where the video RAM is like a GP RAM, just slower.
6.
by marlone93 5y ago
It's even simpler than this. On the "pregnancy test" Doom is actually running on a pc and the scaled video is sent via usb to the replaced microcontroller which drives the replaced display. Source: https://mobile.t
7.
by marlone93 5y ago
Lots of people trying to compare our 10k-year old technology (200 years if we talk about machines, even less if we talk about robots) with something that evolved basically with billions of trial/errors in millions of years. At this poi