djh@neuromancer.metaphor.com (Dallas J. Hodgson) (01/15/91)
In article <1991Jan11.160716.7547@nada.kth.se> d89-rbi@schwarz.nada.kth.se (Ron Birk) writes: >I have a short question about the new blitter. I had the old one >before and used Blitter Nasty and thought the processor stopped >when the blitter was in use, and my code worked perfect, but now >when using the new blitter the processor seems to continue work, >in other words I need to use WaitBlit. Why??? Well, on my A-3000 the processor seems to block just fine during Blitter_Nasty mode, but I put those WaitBlit's in just to be safe. WaitBlit()'s are very low overhead calls anyway - what if the CPU can keep going off of its internal instruction cache? +----------------------------------------------------------------------------+ | Dallas J. Hodgson | "This here's the wattle, | | Metaphor Computer Systems | It's the emblem of our land. | | Mountain View, Ca. | You can put it in a bottle, | | USENET : djh@metaphor.com | You can hold it in your hand." | +============================================================================+ | "The views I express are my own, and not necessarily those of my employer" | +----------------------------------------------------------------------------+