trotter@ENUXHA.EAS.ASU.EDU (Russell T. Trotter) (02/11/91)
I would like to start by thanking every one who replied to my first post about animation. Several of the replies explained about syncing to vertical retrace. I tried this in one of my first attempts but it slowed the action down of the animation to a crawl. My VBLtask was quite simple... first I saved A5 , incremented a ctr variable ,restored A5 and returned. my calling program had a segment like this.. ctr = 0; while (ctr == 0); drawmystuff(); and in the "background" my VBLtask would break m out of the "infinite loop" after the retrace but like I said this was horribly slower than just drawing without any syncing. ??? Any comments about this would be greatly appreciated.