![]() If you ever wondered what the IRQ’s were in your device manager, there you go.īack then you had to write all your own stuff from matrix’s to line and polygon rasterization, you had to change video modes via interrupt requests same for the sound card but that was a bit easier.įinding information well you were lucky to find more then a handful of tutorials on the entire internet and there was no schools for this stuff. To do any thing you had to call IO interrupts to the cpu via memory pointers. The X86 math co-processor and hex interrupts this was actually just that just a fast math calculator for floating point arithmetic mainly that’s what you got,there was no gpu lol. ![]() Once upon a time there wasn’t even open gl or direct x there was… ![]() Fun fact most gpu’s will make your texture power of two anyways but power of two doesn’t mean that it must be 256 x 258 or 1024 x 1024 it can be 2304 x 256 ect…
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