Doom8088 CGA running on 286 12 Mhz

[@DookNookim]

Looks playable to me. BTW press [ and ] to switch weapons 😉

[@greenscreen5994]

For a 12 mhz cpu it is very playable:) BTW there are two executable files in the game folder(d286cga and d8088cga), I checked both and I don't see any difference(game looks the same and runs also the same), what is the difference between them?

[@DookNookim]

@@greenscreen5994 d8088cga is optimized for 8088 processors and d286cga is optimized for 286 processors. d286cga is smaller, so there's more memory left for the game. In theory, it should be faster. In practice, benchmarking (D286CGA.EXE/D8088CGA.EXE -timedemo demo3) show little difference.

[@coffee115]

I wonder if an -Os build would do any good?

[@DookNookim]

@@coffee115 The functions that are executed multiple times per frame are compiled with -Ofast, all the other functions with -Os. Compiling everything with -Os decreases performance by 10%.